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Microsoft (R) Macro Assembler Version 6.1a 09/22/94 16:09:36
wave_a.asm Page 1 - 1
;*──────────────────────────────────────────────
────────────────────────────*
; SAMP_A.ASM 386
; (c) Adeline 1993
;*──────────────────────────────────────────────
────────────────────────────*
;*----------------------------------------------
----------------------------*
include wave.inc
C ;*----------------------------------------------
C ----------------------------*
C
C ;DEBUG equ 1
C
= 1234 C VOICE_HANDLE equ 1234h
C
C IFDEF SB16
C
= 0001 C SBLASTER equ 1
C ; it is also a SBLASTER !
C
C ENDIF
C
C IFDEF SBPRO
C
C SBLASTER equ 1
C ; it is also a SBLASTER !
C STEREO equ 1
C
C ENDIF
C
C IFDEF SBLASTER1
C
C SBLASTER equ 1
C ; it is also a SBLASTER !
C SINGLE_DMA equ 1
C ; use DMA (no auto-reinit on the SB ver
C 1.00-1.99)
C
C ELSEIFDEF SBLASTER
C
= 0001 C AUTO_DMA equ 1
C ; use auto_reinit DMA (faster and cleane
C r)
C
C ENDIF
C
C IFDEF MWSS
C
C SAMPLE16BIT equ 1
C STEREO equ 1
C AUTO_DMA equ 1
C ; use auto_reinit DMA (faster and cleane
C r)
C
C ENDIF
C
C IFDEF GOLD
C
C SAMPLE16BIT equ 1
C STEREO equ 1
C SINGLE_DMA equ 1
C ; use DMA (no counter on the card)
C
C ENDIF
C
C IFDEF GUS
C
C AUTO_DMA equ 1
C ; use auto_reinit DMA (faster and cleane
C r)
C SAMPLE16BIT equ 1
C STEREO equ 1
C NOIRQ equ 1
C
C ENDIF
C
C ;*----------------------------------------------
C ----------------------------*
C
C IFDEF SAMPLE16BIT
C IFDEF STEREO
= 0001 C SLONG equ 1
= 0004 C SSIZE equ 4
C ELSE
C SUWORD equ 1
C SSIZE equ 2
C ENDIF
C ELSE
C IFDEF STEREO
C SUWORD equ 1
C SSIZE equ 2
C ELSE
C SCHAR equ 1
C SSIZE equ 1
C ENDIF
C ENDIF
C
C ;*----------------------------------------------
C ----------------------------*
C
= 0400 C BUFFER_SIZE equ 1024
C ; number of samples
C
C ; in half-buffer
= 0032 C LIST_SIZE equ 50
= 002C C STRUCT_SIZE equ 44
= 0008 C SNAP_SIZE equ 8
C
= 0003 C SHIFT_SAMPLE equ 3
C ; max number of
C
C ; samples mixed
C
C ;*----------------------------------------------
C ----------------------------*
C
;*----------------------------------------------
----------------------------*
MIDPOINT MACRO
IFDEF SAMPLE16BIT
xor eax, eax
ELSE
mov eax, 80808080h
ENDIF
ENDM
;*----------------------------------------------
----------------------------*
.386
jumps
.model FLAT, SYSCALL
0000 .CODE
;*----------------------------------------------
----------------------------*
PUBLIC driver_start
0000 000000A0 R driver_start dd OFFSET ListFuncs
IFDEF SB16
0004 53 6F 75 6E 64 20 db 'Sound Blaster 16 (DSP 4
42 6C 61 73 74 .XX)'
65 72 20 31 36
20 28 44 53 50
20 34 2E 58 58
29
ELSEIFDEF SBPRO
db 'Sound Blaster Pro (DSP
3.XX)'
ELSEIFDEF SBLASTER1
db 'Sound Blaster 2 (DSP 2.
01+)'
ELSEIFDEF SBLASTER
db 'Sound Blaster (DSP 1.00
-2.00)'
ELSEIFDEF MWSS
db 'Microsoft Windows Sound
System (AD1848 SoundPort)'
ELSEIFDEF GOLD
db 'Adlib Gold (Yamaha GOLD
)'
ELSEIFDEF GUS
db 'Advanced Gravis UltraSo
und'
ENDIF
001F 20 57 61 76 65 20 db ' Wave Driver,', 13, 10
44 72 69 76 65
72 2C 0D 0A
IFDEF SAMPLE16BIT
002E 31 36 20 62 69 74 db '16 bit'
ELSE
db '8 bit'
ENDIF
IFDEF STEREO
0034 20 53 74 65 72 65 db ' Stereo'
6F
ELSE
db ' Mono'
ENDIF
IFDEF SURROUND
db ' Surround'
ENDIF
003B 20 70 6C 61 79 62 db ' playback, Version 1.00
61 63 6B 2C 20 .', 13, 10
56 65 72 73 69
6F 6E 20 31 2E
30 30 2E 0D 0A
IFDEF GUS
db 'Copyright (C) 1991,1992
Miles Design, Inc.', 0Dh, 0Ah
db 'Copyright (C) 1993,1994
Advanced Gravis Computer '
db 'Technology Ltd. All rig
hts reserved.', 0Dh, 0Ah
db 'Copyright (C) 1992,1993
,1994 Forte Technologies.', 0Dh, 0Ah
db 'Copyright (C) 1994 Adel
ine Software International.', 0Dh, 0Ah
db 'All rights reserved.',
0Dh, 0Ah
db 'UltraSound conversion b
y Jayeson Lee-Steere.', 0Dh, 0Ah
db 'Adeline Software conver
sion by Serge Plagnol.', 0Dh, 0Ah
db 'MIDI and Digital sound
library by Forte.', 0Dh, 0Ah, 0Ah, 0
ELSE
0055 43 6F 70 79 72 69 db 'Copyright (c) Adeline S
67 68 74 20 28 oftware International 1994, All Rights Reserved.
63 29 20 41 64 ', 13, 10, 10, 0
65 6C 69 6E 65
20 53 6F 66 74
77 61 72 65 20
49 6E 74 65 72
6E 61 74 69 6F
6E 61 6C 20 31
39 39 34 2C 20
41 6C 6C 20 52
69 67 68 74 73
20 52 65 73 65
72 76 65 64 2E
0D 0A 0A 00
ENDIF
00A0 00002FED R ListFuncs dd offset InitCard
00A4 00003177 R dd offset ClearCard
00A8 000031F4 R dd offset AskVars
00AC 00002D21 R dd offset MixSample
00B0 00003213 R dd offset GiveSampleInfo0
00B4 00002A31 R dd offset StopSample
00B8 00002A91 R dd offset StopOneSample
00BC 00002C27 R dd offset SampleInList
00C0 00003268 R dd offset GetSnapSample
00C4 00002F07 R dd offset PauseSample
00C8 00002F5C R dd offset ContinueSample
00CC 00003307 R dd offset SaveStateSample
00D0 000033A1 R dd offset RestoreStateSamp
le
00D4 000025F3 R dd offset GetDMAAddr
00D8 0000320D R dd offset GetBufferSize
00DC 00002CBE R dd offset ChangeVolume
00E0 00002B2D R dd offset ShiftSamples
00E4 00002BB9 R dd offset StopOneSampleLon
g
;*----------------------------------------------
----------------------------*
= 0000 ADDRESS equ 0
= 0004 FRACT equ 4
= 0008 LEFT equ 8
= 000C C_REPEAT equ 12
= 000E INCR equ 14
= 0010 SON equ 16
= 0014 HANDLE equ 20
= 0018 START equ 24
= 001C DLENGTH equ 28
= 0020 VOL_LEFT equ 32
= 0022 VOL_RIGHT equ 34
= 0024 INFO0 equ 36
= 0028 INTERPOL equ 40
= 0029 LAST_SAMPLE equ 41
;*----------------------------------------------
----------------------------*
= 0014 DSP_VO8S_CMD equ 14h
= 001C DSP_VO8_CMD equ 1Ch
= 0040 DSP_TIME_CMD equ 40h
= 0041 DSP_RATE_CMD equ 41h
= 0048 DSP_BSIZE_CMD equ 48h
= 0090 DSP_VO8H_CMD equ 90h
= 00B0 DSP_VO16S_CMD equ 0B0h
= 00B6 DSP_VO16_CMD equ 0B6h
= 00C0 DSP_VO8S_4_CMD equ 0C0h
= 00C6 DSP_VO8_4_CMD equ 0C6h
= 00D1 DSP_ONSPK_CMD equ 0D1h
= 00D3 DSP_OFFSPK_CMD equ 0D3h
= 0010 DSP_16MONO_MODE equ 10h
= 0030 DSP_16STEREO_MODE equ 30h
= 0000 DSP_8MONO_MODE equ 00h
= 0020 DSP_8STEREO_MODE equ 20h
= 00AA RESET_TEST_CODE equ 0AAh
;*----------------------------------------------
----------------------------*
ifndef NOIRQ
= 0000 VOICE_OUT equ 0 ; equ to
access the 2 arrays below
= 0001 AUTO_OUT equ 1
= 0002 MASK1 equ 2
= 0003 MASK2 equ 3
= 0004 ADDX_REG equ 4
= 0006 COUNT_REG equ 6
= 0008 MASK_REG equ 8
= 000A MODE_REG equ 10
= 000C FF_REG equ 12
= 000E PAGE_REG equ 14
00E8 = 00E8 DMA0 equ $ ; Ports
for DMA0
00E8 48 DMA0_VOICE_OUT db 48H
00E9 58 DMA0_AUTO_OUT db 58H
00EA 00 DMA0_MASK1 db 00H
00EB 04 DMA0_MASK2 db 04H
00EC 0000 DMA0_ADDX_REG dw 00H
00EE 0001 DMA0_COUNT_REG dw 01H
00F0 000A DMA0_MASK_REG dw 0AH
00F2 000B DMA0_MODE_REG dw 0BH
00F4 000C DMA0_FF_REG dw 0CH
00F6 0087 DMA0_PAGE_REG dw 87H
00F8 = 00F8 DMA1 equ $ ; Ports
for DMA1
00F8 49 DMA1_VOICE_OUT db 49H
00F9 59 DMA1_AUTO_OUT db 59H
00FA 01 DMA1_MASK1 db 01H
00FB 05 DMA1_MASK2 db 05H
00FC 0002 DMA1_ADDX_REG dw 02H
00FE 0003 DMA1_COUNT_REG dw 03H
0100 000A DMA1_MASK_REG dw 0AH
0102 000B DMA1_MODE_REG dw 0BH
0104 000C DMA1_FF_REG dw 0CH
0106 0083 DMA1_PAGE_REG dw 83H
0108 = 0108 DMA3 equ $ ; Ports
for DMA3
0108 4B DMA3_VOICE_OUT db 4BH
0109 5B DMA3_AUTO_OUT db 5BH
010A 03 DMA3_MASK1 db 03H
010B 07 DMA3_MASK2 db 07H
010C 0006 DMA3_ADDX_REG dw 06H
010E 0007 DMA3_COUNT_REG dw 07H
0110 000A DMA3_MASK_REG dw 0AH
0112 000B DMA3_MODE_REG dw 0BH
0114 000C DMA3_FF_REG dw 0CH
0116 0082 DMA3_PAGE_REG dw 82H
0118 = 0118 DMA5 equ $ ; Ports
for DMA5
0118 49 DMA5_VOICE_OUT db 49H
0119 59 DMA5_AUTO_OUT db 59H
011A 01 DMA5_MASK1 db 01H
011B 05 DMA5_MASK2 db 05H
011C 00C4 DMA5_ADDX_REG dw 0C4H
011E 00C6 DMA5_COUNT_REG dw 0C6H
0120 00D4 DMA5_MASK_REG dw 0D4H
0122 00D6 DMA5_MODE_REG dw 0D6H
0124 00D8 DMA5_FF_REG dw 0D8H
0126 008B DMA5_PAGE_REG dw 08BH
0128 = 0128 DMA6 equ $ ; Ports
for DMA6
0128 4A DMA6_VOICE_OUT db 4AH
0129 5A DMA6_AUTO_OUT db 5AH
012A 02 DMA6_MASK1 db 02H
012B 06 DMA6_MASK2 db 06H
012C 00C8 DMA6_ADDX_REG dw 0C8H
012E 00CA DMA6_COUNT_REG dw 0CAH
0130 00D4 DMA6_MASK_REG dw 0D4H
0132 00D6 DMA6_MODE_REG dw 0D6H
0134 00D8 DMA6_FF_REG dw 0D8H
0136 0089 DMA6_PAGE_REG dw 089H
0138 = 0138 DMA7 equ $ ; Ports
for DMA7
0138 4B DMA7_VOICE_OUT db 4BH
0139 5B DMA7_AUTO_OUT db 5BH
013A 03 DMA7_MASK1 db 03H
013B 07 DMA7_MASK2 db 07H
013C 00CC DMA7_ADDX_REG dw 0CCH
013E 00CE DMA7_COUNT_REG dw 0CEH
0140 00D4 DMA7_MASK_REG dw 0D4H
0142 00D6 DMA7_MODE_REG dw 0D6H
0144 00D8 DMA7_FF_REG dw 0D8H
0146 008A DMA7_PAGE_REG dw 08AH
ALIGN 4
0148 000000E8 R TAB_DMA dd offset DMA0
014C 000000F8 R dd offset DMA1
0150 00000000 dd 0
0154 00000108 R dd offset DMA3
0158 00000000 dd 0
015C 00000118 R dd offset DMA5
0160 00000128 R dd offset DMA6
0164 00000138 R dd offset DMA7
endif
;*----------------------------------------------
----------------------------*
0168 0898 [ CurrentList db STRUCT_SIZE*LIST
00 _SIZE dup (?)
]
0A00 0898 [ SonList db STRUCT_SIZE*LIST
00 _SIZE dup (?)
]
1298 0898 [ BackCurrentList db STRUCT_SIZE*LIST
00 _SIZE dup (?)
]
1B30 0898 [ BackSonList db STRUCT_SIZE*LIST
00 _SIZE dup (?)
]
23C8 0190 [ SnapList db SNAP_SIZE*LIST_S
00 IZE dup (?)
]
2558 00 IRQ_mask db ?
2559 00 FlagPause db 0
255A 57 61 76 65 42 61 WaveBase db 'WaveBase',0
73 65 00
2563 57 61 76 65 49 52 WaveIRQ db 'WaveIRQ',0
51 00
256B 57 61 76 65 44 4D WaveDMA db 'WaveDMA',0
41 00
2573 57 61 76 65 52 61 WaveRate db 'WaveRate'
74 65
257B 00 Empty db 0
ifdef SBPRO
OkIRQ db 0
Filter db ?
endif
ifdef GOLD
Mixer_13 db ?
Mixer_14 db ?
Gold_IRQ db 3, 4, 5, 7, 10,
11, 12, 15
endif
ifdef SB16
257C 02 05 07 0A SB16_IRQ db 2, 5, 7, 10
endif
EVEN
ifdef MWSS
MWSSFreq dw 11025, 3, 16000,
2, 18900, 5, 22050, 7
dw 27429, 4, 32000,
6, 33075, 0dh, 37800, 9
dw 44100, 0Bh
MWSSIrq db 0, 0, 010000b, 0
, 0, 0, 0, 001000b, 0, 010000b
db 011000b, 100000b
, 0, 0, 0, 0
MWSSDma db 01b, 10b, 0, 11b
, 0, 0, 0, 0
endif
2580 0000 Critical dw ?
2582 0000 DoUpdate dw ?
2584 0000 Old_RIRQ_Seg dw ?
2586 0000 Old_PIRQ_Sel dw ?
2588 0000 Old_18_Sel dw ?
258A 0000 Old_RIRQ_Off dw ?
ALIGN 4
258C 00000000 Old_PIRQ_Off dd ?
2590 00000000 Old_18_Off dd ?
ifdef GOLD
ListNames dd offset WaveBase
dd offset Empty
elseifdef SB16
2594 0000255A R ListNames dd offset WaveBase
2598 00002573 R dd offset WaveRate
259C 0000257B R dd offset Empty
elseifdef GUS
ListNames dd offset WaveRate
dd offset Empty
else
ListNames dd offset WaveBase
dd offset WaveRate
dd offset WaveIRQ
dd offset WaveDMA
dd offset Empty
endif
public Nolanguage PlayRate
25A0 = 25A0 ListVars equ $
ifdef GOLD
BASE_ADDR dd 388h
; By default 388h
PlayRate dd 22000
; By default 22 Khz
IRQ_number dd ?
; no default (read card)
DMA_number dd ?
; no default (read card)
elseifdef SBLASTER
25A0 00000220 BASE_ADDR dd 220h
; By default 220h
25A4 000055F0 PlayRate dd 22000
; By default 22 Khz
25A8 00000005 IRQ_number dd 5
; By default 5
25AC 00000001 DMA_number dd 1
; By default 1
elseifdef MWSS
BASE_ADDR dd 540h
; By default 540h
PlayRate dd 22000
; By default 22 Khz
IRQ_number dd 9
; By default 9
DMA_number dd 1
; By default 1
elseifdef GUS
PlayRate dd 22000
; By default 22 Khz
else
BASE_ADDR dd 0
; no default
PlayRate dd 22000
; By default 22 Khz
IRQ_number dd 0
; no default
DMA_number dd 0
; no default
endif
25B0 0000000D INT_number dd 0Dh
; By default 0Dh
public Nolanguage BufferHalf
25B4 00000000 BufferHalf dd ?
25B8 FFFFFFFF follow dd -1
25BC FFFFFFFF backfollow dd -1
ifndef NOIRQ
25C0 000000F8 R DMA dd offset DMA1
; By default DMA1
endif
25C4 00000000 weirdcount dd ?
25C8 00000000 backweirdcount dd ?
25CC 00000000 TheVolumeR dd ?
25D0 00000000 TheVolumeL dd ?
25D4 00000000 save_1 dd ?
25D8 00000000 save_2 dd ?
25DC 00000000 save_3 dd ?
25E0 00000000 save_4 dd ?
public Nolanguage BUFFER_DMA
public Nolanguage CURRENT_BUFFER
ifdef RAM_CARD
BUFFER_DMA dd ?
; adress of the buffer
R_BUFFER_CARD dd ?
; adress of the buffer on the card for Right cha
nnel
MID_R_BUFFER_CARD dd ?
; adress of the mid buffer for Right channel
CURRENT_R_BUFFER_CARD dd ?
; current half for Right channel
L_BUFFER_CARD dd ?
; adress of the buffer on the card for Left chan
nel
MID_L_BUFFER_CARD dd ?
; adress of the mid buffer for Left channel
CURRENT_L_BUFFER_CARD dd ?
; current half for Left channel
else
25E4 00000000 BUFFER_DMA dd ?
; adress of the buffer
25E8 00000000 MID_BUFFER_DMA dd ?
; adress of the mid buffer
25EC 00000000 CURRENT_BUFFER dd ?
; current half
endif
ifdef INTERRRUPT
DMA_COUNT dd ?
DMA_PTR dd ?
endif
;*----------------------------------------------
----------------------------*
25F0 Redirector PROC
25F0 CD 18 int 18h
25F2 CF iretd
25F3 Redirector ENDP
;*----------------------------------------------
----------------------------*
setalc MACRO
db 0D6h
ENDM
lve MACRO Reg, Exp
lea Reg, [Exp]
ENDM
;*----------------------------------------------
----------------------------*
GET_REAL_VECT MACRO
mov ax, 0200h
int 31h
ENDM
SET_REAL_VECT MACRO
mov ax, 0201h
int 31h
ENDM
GET_PROT_VECT MACRO
mov ax, 0204h
int 31h
ENDM
SET_PROT_VECT MACRO
mov ax, 0205h
int 31h
ENDM
CRIT_SECT MACRO
; Enter Critical Section ;-)
mov word ptr[Critical], 1
; tell the IRQ not to update the buffer
; we'll take care of it if nescessary O:-)
ENDM
END_CRIT_SECT MACRO
; Exit Critical Section O:-)
local NoUpdate
; Update buffer if necessary
; Dealing with the critical sect
ion flags................
;
DO NOT TOUCH !!!!
mov word ptr[Critical], 0
; exit crit. sect.
; this way DoUpdate can't change to 1 anymore
cmp word ptr[DoUpdate], 0
; IRQ happened ?
je NoUpdate
; if DopUpdate change to 0 now, we are in deep
; shit anyway because we missed one round!
; The program won't crash but we'll ear the old
; content of half a buffer and also miss half a
buffer
; of new data... :-(
mov word ptr[Critical], 1
; yes, crit. again, so we don't update twice
; because UpdateBuffer is not reentrant
; and we don't want to take a chance on crashing
!
pushad
; if DoUpdate change to 1 HERE
; it means again that we missed one round!
; So we play the buffer we are updating! (funny
noise :-( )
; and then will ear half buffer of old data!
call UpdateBuffer
; do the update
popad
mov word ptr[Critical], 0
; exit crit. sect
; this way DoUpdate can't change to 1 anymore
mov word ptr[DoUpdate], 0
; Update done, so DoUpdate = 0
NoUpDate:
; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
!!
; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
UFFER
; TAKES MORE THAN 46000 microsec!
; (at 33 Mhz one cycle = .03 microsec so 4600 mi
crosec = 1.5 million cycle)
ENDM
;*----------------------------------------------
----------------------------*
25F3 GetDMAAddr PROC USES EBX
25F3 53 * push ebx
25F4 33 C0 xor eax, eax
ifndef NOIRQ
25F6 8B 1D 000025C0 R mov ebx, dword ptr[DMA]
25FC FA cli
25FD 66| 8B 53 0E mov dx, word ptr[ebx + PAGE_
REG]
2601 EC in al, dx
2602 C1 E0 10 shl eax, 16
2605 66| 8B 53 0C mov dx, word ptr[ebx + FF_RE
G]
2609 EE out dx, al
; Flip-Flop
260A 66| 8B 53 04 mov dx, word ptr[ebx + ADDX_
REG] ; to get offset
260E EC in al, dx
260F 8A E0 mov ah, al
2611 EC in al, dx
2612 FB sti
2613 86 C4 xchg al, ah
2615 66| 83 3D 000025AC R cmp word ptr[DMA_number], 3
03
261D 76 07 jbe noadjust
lve eax, eax*2
1
261F 8D 04 45 00000000 1 lea eax, [eax*2]
1
2626 noadjust:
endif
ret
2626 5B * pop ebx
2627 C3 * ret 00000h
2628 GetDMAAddr ENDP
;*----------------------------------------------
----------------------------*
ifndef NOIRQ
2628 NewIRQ PROC
2628 60 pushad
2629 1E push ds
262A 06 push es
262B FC cld
; DAMN IT !! :-o
262C = 262E local_DS equ $+2
262C 66| B8 1234 mov ax, 1234h
2630 66| 8E D8 mov ds, ax
; restore DS
2633 66| 8E C0 mov es, ax
; and ES !!!
2636 B0 20 mov al, 20h
; allows for new int
2638 80 3D 000025A8 R cmp byte ptr[IRQ_number], 7
07
263F 76 02 jbe short NoSecondCtrl
2641 E6 A0 out 0A0h, al
2643 E6 20 NoSecondCtrl: out 20h, al
ifndef DEBUG
2645 E8 00000EBF call AckIrq
264A 72 4A jc short FinIRQ
; not a DMA IRQ
ifdef SINGLE_DMA
call BlockTransfert
; Normal ACK location
endif
endif
264C A1 000025B4 R mov eax, dword ptr[BufferHal
f]
2651 34 04 xor al, 4
; switch half
2653 A2 000025B4 R mov byte ptr[BufferHalf], al
ifdef RAM_CARD
mov eax, dword ptr[R_BUFFER_
CARD+eax]; get current card buffer address
mov dword ptr[CURRENT_R_BUFF
ER_CARD], eax; update CURRENT_BUFFER_CARD
else
2658 8B 80 000025E4 R mov eax, dword ptr[BUFFER_DM
A+eax] ; get current buffer address
265E A3 000025EC R mov dword ptr[CURRENT_BUFFER
], eax ; update CURRENT_BUFFER
endif
2663 66| C7 05 00002582 R mov word ptr[DoUpdate], 1
0001 ; Time to do the update
266C 66| 83 3D 00002580 R cmp word ptr[Critical], 0
00 ; crit. sect ?
2674 75 20 jne FinIRQ
; yes, don't update yet!
2676 66| C7 05 00002580 R mov word ptr[Critical], 1
0001 ; just to make jure it case the interrup
t
267F E8 00000016 call UpdateBuffer
; happen again before its finished
2684 66| C7 05 00002580 R mov word ptr[Critical], 0
0000
268D 66| C7 05 00002582 R mov word ptr[DoUpdate], 0
0000 ; Update done
ifdef DEBUG
call AckIrq
jc short FinIRQ
; not a DMA IRQ
ifdef SINGLE_DMA
call BlockTransfert
; Normal ACK location
endif
endif
2696 FinIRQ:
2696 07 pop es
2697 1F pop ds
2698 61 popad
2699 CF iretd
269A NewIRQ ENDP
endif
;*----------------------------------------------
----------------------------*
ifdef GUS
PUBLIC Nolanguage UpdateBu
ffer
PUBLIC Nolanguage DoUpdate
PUBLIC Nolanguage Critical
endif
;*----------------------------------------------
----------------------------*
269A UpdateBuffer PROC
269A B8 00000400 mov eax, BUFFER_SIZE
ifdef RAM_CARD
mov edi, dword ptr[BUFFER_DM
A] ; Buffer
else
269F 8B 3D 000025EC R mov edi, dword ptr[CURRENT_B
UFFER] ; Buffer
endif
26A5 80 3D 00002559 R cmp byte ptr[FlagPause], 1
01
26AC 74 10 je short dopause
26AE 8D 1D 00000168 R lea ebx, CurrentList
; Point to List of samples
26B4 8B 33 mov esi, dword ptr[ebx]
; Current Source
26B6 0B F6 or esi, esi
; if 0 then empty list
26B8 0F 85 0000008D jnz process_1st
26BE dopause:
26BE B9 00000400 mov ecx, (BUFFER_SIZE * SSIZ
E) / 4
MIDPOINT
1
1 IFDEF SAMPLE16BIT
26C3 33 C0 1 xor eax, eax
1 ELSE
1 mov eax, 80808080h
1 ENDIF
1
26C5 F3/ AB rep stosd
26C7 EB 6C jmp endfade
26C9 exit:
26C9 A0 00002559 R mov al, byte ptr[FlagPause]
26CE FE C8 dec al
26D0 78 6F js reallyexit
ifdef RAM_CARD
mov edi, dword ptr[BUFFER_DM
A] ; Buffer
else
26D2 8B 3D 000025EC R mov edi, dword ptr[CURRENT_B
UFFER] ; Buffer
endif
26D8 BE 00000400 mov esi, ( BUFFER_SIZE * SSI
ZE ) / 4
26DD 66| 0F BD CE bsr cx, si
26E1 66| 4E dec si
; no need to fade first/last sample
; since it will be multiplied by 1
26E3 FE C8 dec al
26E5 75 2A jnz short fadeout
26E7 BB 00000001 mov ebx, 1
; skip 0
ifdef SAMPLE16BIT
26EC 8B 17 loopfadein: mov edx, dword ptr[edi]
26EE 0F BF C2 movsx eax, dx
26F1 0F AF C3 imul eax, ebx
26F4 D3 F8 sar eax, cl
26F6 C1 FA 10 sar edx, 16
26F9 0F AF D3 imul edx, ebx
26FC D3 FA sar edx, cl
26FE C1 E2 10 shl edx, 16
2701 66| 8B D0 mov dx, ax
2704 89 17 mov dword ptr[edi], edx
2706 83 C7 04 add edi, 4
2709 66| 43 inc bx
270B 66| 4E dec si
270D 75 DD jnz short loopfadein
else
loopfadein: mov edx, dword ptr[edi]
xor edx, 80808080h
; convert to signed
REPT 2
movsx eax, dl
imul eax, ebx
sar eax, cl
mov dl, al
movsx eax, dh
imul eax, ebx
sar eax, cl
mov dh, al
rol edx, 16
ENDM
xor edx, 80808080h
; back to unsigned
mov dword ptr[edi], edx
add edi, 4
inc bx
dec si
jnz short loopfadein
endif
270F EB 24 jmp short endfade
2711 fadeout:
2711 83 C7 04 add edi, 4
; skip first
ifdef SAMPLE16BIT
2714 8B 17 loopfadeout: mov edx, dword ptr[edi]
2716 0F BF C2 movsx eax, dx
2719 0F AF C6 imul eax, esi
271C D3 F8 sar eax, cl
271E C1 FA 10 sar edx, 16
2721 0F AF D6 imul edx, esi
2724 D3 FA sar edx, cl
2726 C1 E2 10 shl edx, 16
2729 66| 8B D0 mov dx, ax
272C 89 17 mov dword ptr[edi], edx
272E 83 C7 04 add edi, 4
2731 66| 4E dec si
2733 75 DF jnz short loopfadeout
else
loopfadeout: mov edx, dword ptr[edi]
xor edx, 80808080h
; convert to signed
REPT 2
movsx eax, dl
imul eax, esi
sar eax, cl
mov dl, al
movsx eax, dh
imul eax, esi
sar eax, cl
mov dh, al
rol edx, 16
ENDM
xor edx, 80808080h
; back to unsigned
mov dword ptr[edi], edx
add edi, 4
dec si
jnz short loopfadeout
endif
2735 endfade:
2735 A0 00002559 R mov al, byte ptr[FlagPause]
273A 24 01 and al, 1
273C A2 00002559 R mov byte ptr[FlagPause], al
2741 reallyexit:
2741 C3 ret
2742 FinishFill0:
2742 66| 0B C0 or ax, ax
; still some room in the buffer?
2745 0F 84 000002CA jz Finish2
274B process_1st:
274B 66| 8B C8 mov cx, ax
274E C1 E0 10 shl eax, 16
2751 66| 8B C1 mov ax, cx
; eax = BUFFER_SIZE:BUFFER_SIZE
2754 66| 8B 53 04 mov dx, word ptr[ebx+FRACT]
; fractionnal Source
2758 66| 8B 6B 0E mov bp, word ptr[ebx+INCR]
; fractionnal inc
275C 8B 4B 08 mov ecx, dword ptr[ebx+LEFT]
; length left
275F 81 F9 0000FFFF cmp ecx, 0FFFFh
; length left to fill after sample
2765 77 05 ja Longer0
; 64K or +, then more than the buffer
2767 66| 2B C1 sub ax, cx
276A 73 13 jae short NotLonger0
; some left?
276C Longer0:
276C C1 E8 10 shr eax, 16
276F 8B C8 mov ecx, eax
; length = buffer_size
2771 29 4B 08 sub dword ptr[ebx+LEFT], ecx
; reduce length left
2774 66| C7 05 000025E0 R mov word ptr[save_4], 0
0000 ; no room left
277D EB 08 jmp short StartMix0
277F NotLonger0:
277F 66| 40 inc ax
; length + 1 (in case left = 0)
2781 66| A3 000025E0 R mov word ptr[save_4], ax
2787 StartMix0:
2787 C1 E2 10 shl edx, 16
278A 0B CA or ecx, edx
; hecx = FRACT
278C C1 E5 10 shl ebp, 16
; hebp = INCR
ifdef SAMPLE16BIT
278F 8B 53 20 mov edx, dword ptr[ebx+VOL_L
EFT] ; read left & right volume
ifdef STEREO
2792 80 7B 28 00 cmp byte ptr[ebx+INTERPOL],
0
2796 0F 84 00000090 je nofilter
279C 89 1D 000025DC R mov dword ptr[save_3], ebx
27A2 0F BF C2 movsx eax, dx
27A5 A3 000025D0 R mov [TheVolumeL], eax
27AA C1 FA 10 sar edx, 16
27AD 89 15 000025CC R mov [TheVolumeR], edx
27B3 C1 ED 10 shr ebp, 16
; BP = fract inc
27B6 8B D1 mov edx, ecx
27B8 C1 EA 10 shr edx, 16
; DX = fract
27BB C1 C1 08 rol ecx, 8
27BE 8A 4B 29 mov cl, [ebx+LAST_SAMPLE]
27C1 C1 C9 08 ror ecx, 8
27C4 EB 09 jmp short next0
27C6 C1 C1 08 start0: rol ecx, 8
27C9 8A 0E mov cl, [esi]
27CB 46 inc esi
27CC C1 C9 08 ror ecx, 8
27CF 8B C1 next0: mov eax, ecx
27D1 8A 06 mov al, [esi]
; read data
27D3 C1 C0 08 rol eax, 8
27D6 66| 35 8080 xor ax, 8080h
; 8 bit signed
27DA 0F BE D8 movsx ebx, al
27DD 0F BE C4 movsx eax, ah
; sign extension to 32 bit
27E0 66| F7 D2 not dx
27E3 42 inc edx
27E4 0F AF DA imul ebx, edx
27E7 4A dec edx
27E8 66| F7 D2 not dx
27EB 0F AF C2 imul eax, edx
27EE 03 D8 add ebx, eax
27F0 8B C3 mov eax, ebx
27F2 0F AF 1D 000025CC R imul ebx, [TheVolumeR]
; Right
27F9 0F AF 05 000025D0 R imul eax, [TheVolumeL]
; Left
2800 C1 F8 10 sar eax, 16
2803 66| 8B D8 mov bx, ax
2806 89 1F mov [edi], ebx
; store buffer content
2808 83 C7 04 add edi, 4
; next location
280B 66| 03 D5 add dx, bp
; update fractional part of address
280E 66| 49 dec cx
; length-1, doesn't touch C but set Z ;-
)
2810 77 BD ja short next0
; if (not C) and (not Z) next
2812 75 B2 jnz short start0
; if some left, read a new one
2814 8B 1D 000025DC R mov ebx, dword ptr[save_3]
281A 66| 9C pushf
281C C1 C1 08 rol ecx, 8
281F 88 4B 29 mov [ebx+LAST_SAMPLE], cl
2822 C1 E2 10 shl edx, 16
2825 8B CA mov ecx, edx
2827 46 inc esi
2828 66| 9D popf
282A EB 2B jmp short end16
282C nofilter:
282C 89 1D 000025DC R mov dword ptr[save_3], ebx
2832 AC start01: lodsb
; read new data
2833 34 80 xor al, 80h
; 8 bit signed
2835 0F BE C0 movsx eax, al
; sign extension to 32 bit
2838 8B D8 mov ebx, eax
; copy into ebx
283A 66| 0F AF C2 imul ax, dx
; ax = left
283E 0F AF DA imul ebx, edx
2841 66| 8B D8 mov bx, ax
2844 89 1F next01: mov dword ptr[edi], ebx
; write data
2846 83 C7 04 add edi, 4
; next location
2849 03 CD add ecx, ebp
; update fractional part of address
284B 66| 49 dec cx
; length-1, doesn't touch C but set Z ;-
)
284D 77 F5 ja short next01
; if (not C) and (not Z) next
284F 75 E1 jnz short start01
; if some left, read a new one
2851 8B 1D 000025DC R mov ebx, dword ptr[save_3]
2857 end16:
else
start0: lodsb
; read new data
xor al, 80h
; 8 bit signed
movsx ax, al
; sign extension to 16 bit
imul ax, dx
; ax = "volumed" sample
next0: mov word ptr[edi], ax
; write data
add edi, 2
; next location
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short next0
; if (not C) and (not Z) next
jnz short start0
; if some left, read a new one
endif
else
ifdef STEREO
mov dl, byte ptr[ebx+VOL_LEF
T]
or dl, dl
jz short middle0
dec dl
jz short left0
mov al, 80h
; "0" -> left
r_start0: mov ah, byte ptr[esi]
; read new data -> right
inc esi
r_next0: mov word ptr[edi], ax
; write data
add edi, 2
; next location
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short r_next0
; if (not C) and (not Z) next
jnz short r_start0
; if some left, read a new one
jmp short end0
left0:
mov ah, 80h
; "0" -> right
l_start0: lodsb
; read new data -> left
l_next0: mov word ptr[edi], ax
; write data
add edi, 2
; next location
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short l_next0
; if (not C) and (not Z) next
jnz short l_start0
; if some left, read a new one
jmp short end0
middle0:
m_start0: lodsb
; read new data -> left
mov ah, al
; data -> right
m_next0: mov word ptr[edi], ax
; write data
add edi, 2
; next location
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short m_next0
; if (not C) and (not Z) next
jnz short m_start0
; if some left, read a new one
end0:
else
start0: lodsb
; read new data
next0: mov byte ptr[edi], al
; write data
inc edi
; next location
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short next0
; if (not C) and (not Z) next
jnz short start0
; if some left, read a new one
endif
endif
2857 72 01 jc noadjust0
; was a new data going to be read?
2859 4E dec esi
; no, last data will be read again
285A noadjust0:
285A 66| A1 000025E0 R mov ax, word ptr[save_4]
; left to copy
2860 66| 0B C0 or ax, ax
2863 0F 84 000001A3 jz Finish
; 0 normal end
2869 66| 48 dec ax
; readjust size
286B 66| FF 4B 0C dec word ptr[ebx+C_REPEAT]
; repeat again?
286F 75 74 jnz Reset0
; yes, then reset
2871 8B 53 10 mov edx, dword ptr[ebx+SON]
; no, got a son?
2874 0B D2 or edx, edx
2876 78 15 js short NoSon0
; no, remove the sample
2878 8D 35 00000A00 R lea esi, SonList
; yes, then find it
287E KeepLooking0:
287E 83 3E 00 cmp dword ptr[esi], 0
; the end ?
2881 74 0A je short NoSon0
; yes, then no son
2883 3B 56 14 cmp edx, dword ptr[esi+HANDL
E] ; this one?
2886 74 2B je short FoundSon0
; yes, found!
2888 83 C6 2C add esi, STRUCT_SIZE
; no, keep looking
288B EB F1 jmp short KeepLooking0
288D NoSon0:
288D 33 C9 xor ecx, ecx
288F 66| 8B C8 mov cx, ax
; clear rest of the buffer
MIDPOINT
1
1 IFDEF SAMPLE16BIT
2892 33 C0 1 xor eax, eax
1 ELSE
1 mov eax, 80808080h
1 ENDIF
1
IFDEF SCHAR
mov edx, ecx
and ecx, 3
; up to 3 by byte
rep stosb
mov ecx, edx
shr ecx, 2
; the rest by dword
ELSEIFDEF SUWORD
shr ecx, 1
jnc short NoAdjustByOne
stosw
NoAdjustByOne:
ENDIF
2894 F3/ AB rep stosd
2896 8B F3 mov esi, ebx
; point where it is
2898 8B FB mov edi, ebx
; idem
289A 83 C6 2C add esi, STRUCT_SIZE
; source one further
289D 83 3E 00 LoopRemove0: cmp dword ptr[esi], 0
; end ?
28A0 74 09 je short EndRemove0
; yes, exit
28A2 B9 0000000B mov ecx, STRUCT_SIZE / 4
; trasnfert one struct
28A7 F3/ A5 rep movsd
; transfer
28A9 EB F2 jmp short LoopRemove0
28AB EndRemove0:
28AB C7 07 00000000 mov dword ptr[edi], 0
; write 0 to mark the end
28B1 EB 46 jmp NextSample
28B3 FoundSon0:
28B3 8B EE mov ebp, esi
; save esi
28B5 8B D7 mov edx, edi
; save edi
28B7 8B FB mov edi, ebx
; transfert at the location of the fathe
r
28B9 B9 0000000B mov ecx, STRUCT_SIZE / 4
; count in dword
28BE F3/ A5 rep movsd
; transfert
28C0 8B F5 mov esi, ebp
; remove son from SonList
28C2 8B FD mov edi, ebp
; so, point to it
28C4 83 C6 2C add esi, STRUCT_SIZE
; source one further
28C7 83 3E 00 LoopSon0: cmp dword ptr[esi], 0
28CA 74 09 je short EndSon0
28CC B9 0000000B mov ecx, STRUCT_SIZE / 4
28D1 F3/ A5 rep movsd
; transfer while not 0
28D3 EB F2 jmp short LoopSon0
28D5 EndSon0:
28D5 C7 07 00000000 mov dword ptr[edi], 0
; write 0 to mark the end
28DB 8B FA mov edi, edx
; restore edi in the buffer
28DD 8B 73 18 mov esi, dword ptr[ebx+START
] ; restore source, no need to write it
28E0 E9 FFFFFE5D jmp FinishFill0
28E5 Reset0:
28E5 8B 73 18 mov esi, dword ptr[ebx+START
] ; restore source, no need to write it
28E8 8B 6B 1C mov ebp, dword ptr[ebx+DLENG
TH] ; restore length
28EB 89 6B 08 mov dword ptr[ebx+LEFT], ebp
28EE 66| C7 43 04 0000 mov word ptr[ebx+FRACT], 0
28F4 E9 FFFFFE49 jmp FinishFill0
28F9 NextSample:
28F9 8B 33 mov esi, dword ptr[ebx]
; Current Source
28FB 0B F6 or esi, esi
; if 0 then end of the list
28FD 0F 84 FFFFFDC6 jz exit
ifdef RAM_CARD
mov edi, dword ptr[BUFFER_DM
A] ; Buffer
else
2903 8B 3D 000025EC R mov edi, dword ptr[CURRENT_B
UFFER] ; Buffer
endif
2909 66| B8 0400 mov ax, BUFFER_SIZE
290D FinishFill:
290D 66| 0B C0 or ax, ax
; still some room in the buffer?
2910 0F 84 000000FF jz Finish2
2916 66| 8B C8 mov cx, ax
2919 C1 E0 10 shl eax, 16
291C 66| 8B C1 mov ax, cx
; eax = BUFFER_SIZE:BUFFER_SIZE
291F 66| 8B 53 04 mov dx, word ptr[ebx+FRACT]
; fractionnal Source
2923 66| 8B 6B 0E mov bp, word ptr[ebx+INCR]
; fractionnal inc
2927 8B 4B 08 mov ecx, dword ptr[ebx+LEFT]
; length left
292A 81 F9 0000FFFF cmp ecx, 0FFFFh
; length left to fill after sample
2930 77 05 ja Longer
; 64K or +, then more than the buffer
2932 66| 2B C1 sub ax, cx
2935 73 13 jae short NotLonger
; some left?
2937 Longer:
2937 C1 E8 10 shr eax, 16
; no, restore buffer_size in ax
293A 8B C8 mov ecx, eax
; length = buffer_size
293C 29 4B 08 sub dword ptr[ebx+LEFT], ecx
; reduce length left
293F 66| C7 05 000025E0 R mov word ptr[save_4], 0
0000 ; no room left
2948 EB 08 jmp short startMix00
294A NotLonger:
294A 66| 40 inc ax
; length + 1 (in case left = 0)
294C 66| A3 000025E0 R mov word ptr[save_4], ax
2952 StartMix00:
2952 C1 E2 10 shl edx, 16
2955 0B CA or ecx, edx
; hecx = FRACT
2957 C1 E5 10 shl ebp, 16
; hebp = INCR
ifdef SAMPLE16BIT
295A 8B 53 20 mov edx, dword ptr[ebx+VOL_L
EFT]
ifdef STEREO
comment @
mov dword ptr[save_3], ebx
movsx eax, dx
mov [TheVolumeL], eax
sar edx, 16
mov [TheVolumeR], edx
shr ebp, 16
; BP = fract inc
mov edx, ecx
shr edx, 16
; DX = fract
dec esi
start00: inc esi
next00: mov ax, [esi]
; read data
xor ax, 8080h
; 8 bit signed
movsx ebx, al
movsx eax, ah
; sign extension to 32 bit
not dx
inc edx
imul ebx, edx
dec edx
not dx
imul eax, edx
add ebx, eax
mov eax, ebx
imul ebx, [TheVolumeR]
; Right
imul eax, [TheVolumeL]
; Left
sar eax, 16
mov bx, ax
add [edi], ebx
; add with buffer content (one bit might
jump from right to left, but oh well...)
add edi, 4
; next location
add dx, bp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short next00
; if (not C) and (not Z) next
jnz short start00
; if some left, read a new one
pushf
shl edx, 16
mov ecx, edx
inc esi
popf
mov ebx, dword ptr[save_3]
@
295D 89 1D 000025DC R mov dword ptr[save_3], ebx
2963 AC start00: lodsb
; read new data
2964 34 80 xor al, 80h
; 8 bit signed
2966 0F BE C0 movsx eax, al
; sign extension to 32 bit
2969 8B D8 mov ebx, eax
; copy into ebx
296B 66| 0F AF C2 imul ax, dx
; ax = left
296F 0F AF DA imul ebx, edx
2972 66| 8B D8 mov bx, ax
2975 01 1F next00: add dword ptr[edi], ebx
; add with buffer content (one bit might
jump from right to left, but oh well...)
2977 83 C7 04 add edi, 4
; next location
297A 03 CD add ecx, ebp
; update fractional part of address
297C 66| 49 dec cx
; length-1, doesn't touch C but set Z ;-
)
297E 77 F5 ja short next00
; if (not C) and (not Z) next
2980 75 E1 jnz short start00
; if some left, read a new one
2982 8B 1D 000025DC R mov ebx, dword ptr[save_3]
else
start00: lodsb
; read new data
xor al, 80h
; 8 bit signed
movsx ax, al
; sign extension to 16 bit
imul ax, dx
; ax = "volumed" sample
next00: add word ptr[edi], ax
; add with buffer content
add edi, 2
; next location
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short next00
; if (not C) and (not Z) next
jnz short start00
; if some left, read a new one
endif
else
ifdef STEREO
mov dl, byte ptr[ebx+VOL_LEF
T]
or dl, dl
jz short middle00
dec dl
jz short left00
inc edi
; go right
r_start00: lodsb
; read new data
mov ah, al
; save it in ah
r_next00: add al, byte ptr[edi]
; add with buffer content
rcr al, 1
; average
adc al, 0
mov byte ptr[edi], al
; write result back
add edi, 2
; next location
mov al, ah
; restore data
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short r_next00
; if (not C) and (not Z) next
jnz short r_start00
; if some left, read a new one
dec edi
; go back left
jmp short end00
left00:
l_start00: lodsb
; read new data
mov ah, al
; save it in ah
l_next00: add al, byte ptr[edi]
; add with buffer content
rcr al, 1
; average
adc al, 0
mov byte ptr[edi], al
; write result back
add edi, 2
; next location
mov al, ah
; restore data
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short l_next00
; if (not C) and (not Z) next
jnz short l_start00
; if some left, read a new one
jmp short end00
middle00:
m_start00: lodsb
; read new data
m_next00: mov dx, word ptr[edi]
; read buffer, left & right
add dl, al
; average with left
rcr dl, 1
adc dl, 0
add dh, al
; average with right
rcr dh, 1
adc dl, 0
mov word ptr[edi], dx
; write result back
add edi, 2
; next location
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short m_next00
; if (not C) and (not Z) next
jnz short m_start00
; if some left, read a new one
end00:
else
start00: lodsb
; read new data
mov ah, al
; save it in ah
next00: add al, byte ptr[edi]
; add with buffer content
rcr al, 1
; average
adc al, 0
mov byte ptr[edi], al
; write result back
inc edi
; next location
mov al, ah
; restore data
add ecx, ebp
; update fractional part of address
dec cx
; length-1, doesn't touch C but set Z ;-
)
ja short next00
; if (not C) and (not Z) next
jnz short start00
; if some left, read a new one
endif
endif
2988 72 01 jc noadjust
; was a new data going to be read?
298A 4E dec esi
; no, last data will be read again
298B noadjust:
298B 66| A1 000025E0 R mov ax, word ptr[save_4]
; left to copy
2991 66| 0B C0 or ax, ax
2994 74 76 jz short Finish
; 0 normal end
2996 66| 48 dec ax
; readjust size
2998 66| FF 4B 0C dec word ptr[ebx+C_REPEAT]
; repeat again?
299C 75 7F jnz short Reset
; yes, then reset
299E 8B 53 10 mov edx, dword ptr[ebx+SON]
; no, got a son?
29A1 0B D2 or edx, edx
29A3 78 15 js short NoSon
; no, remove the sample
29A5 8D 35 00000A00 R lea esi, SonList
; yes, then find it
29AB KeepLooking:
29AB 83 3E 00 cmp dword ptr[esi], 0
; the end ?
29AE 74 0A je short NoSon
; yes, then no son
29B0 3B 56 14 cmp edx, dword ptr[esi+HANDL
E] ; this one?
29B3 74 25 je short FoundSon
; yes, found!
29B5 83 C6 2C add esi, STRUCT_SIZE
; no, keep looking
29B8 EB F1 jmp short KeepLooking
29BA NoSon:
; remove it
29BA 8B F3 mov esi, ebx
; point where it is
29BC 8B FB mov edi, ebx
; idem
29BE 83 C6 2C add esi, STRUCT_SIZE
; source one further
29C1 83 3E 00 LoopRemove: cmp dword ptr[esi], 0
; end ?
29C4 74 09 je short EndRemove
; yes, exit
29C6 B9 0000000B mov ecx, STRUCT_SIZE / 4
; trasnfert one struct
29CB F3/ A5 rep movsd
; transfer
29CD EB F2 jmp short LoopRemove
29CF EndRemove:
29CF C7 07 00000000 mov dword ptr[edi], 0
; write 0 to mark the end
29D5 E9 FFFFFF1F jmp NextSample
29DA FoundSon:
29DA 8B EE mov ebp, esi
; save esi
29DC 8B D7 mov edx, edi
; save edi
29DE 8B FB mov edi, ebx
; transfert at the location of the fathe
r
29E0 B9 0000000B mov ecx, STRUCT_SIZE / 4
; count in dword
29E5 F3/ A5 rep movsd
; transfert
29E7 8B F5 mov esi, ebp
; remove son from SonList
29E9 8B FD mov edi, ebp
; so, point to it
29EB 83 C6 2C add esi, STRUCT_SIZE
; source one further
29EE 83 3E 00 LoopSon: cmp dword ptr[esi], 0
29F1 74 09 je short EndSon
29F3 B9 0000000B mov ecx, STRUCT_SIZE / 4
29F8 F3/ A5 rep movsd
; transfer while not 0
29FA EB F2 jmp short LoopSon
29FC EndSon:
29FC C7 07 00000000 mov dword ptr[edi], 0
; write 0 to mark the end
2A02 8B FA mov edi, edx
; restore edi in the buffer
2A04 8B 73 18 mov esi, dword ptr[ebx+START
] ; restore source, no need to write it
2A07 E9 FFFFFF01 jmp FinishFill
2A0C Finish:
2A0C 89 33 mov dword ptr[ebx], esi
; save current address
2A0E C1 E9 10 shr ecx, 16
2A11 66| 89 4B 04 mov word ptr[ebx+FRACT], cx
; save fractional part
2A15 83 C3 2C Finish2: add ebx, STRUCT_SIZE
; point to next sample
2A18 E9 FFFFFEDC jmp NextSample
2A1D Reset:
2A1D 8B 73 18 mov esi, dword ptr[ebx+START
] ; restore source, no need to write it
2A20 8B 6B 1C mov ebp, dword ptr[ebx+DLENG
TH] ; restore length
2A23 89 6B 08 mov dword ptr[ebx+LEFT], ebp
2A26 66| C7 43 04 0000 mov word ptr[ebx+FRACT], 0
2A2C E9 FFFFFEDC jmp FinishFill
2A31 UpdateBuffer ENDP
;*----------------------------------------------
----------------------------*
2A31 StopSample PROC
CRIT_SECT
1
2A31 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2A3A 33 C0 xor eax, eax
2A3C A3 00000168 R mov dword ptr[CurrentList],
eax
2A41 A3 00000A00 R mov dword ptr[SonList], eax
2A46 A2 00002559 R mov byte ptr[FlagPause], al
2A4B 48 dec eax
2A4C A3 000025B8 R mov dword ptr[follow], eax
; -1
2A51 C7 05 000025C4 R mov dword ptr[weirdcount], 1
00010000 0000h
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2A5B 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2A64 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2A6C 74 22 1 je ??0000 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2A6E 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2A77 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2A78 E8 FFFFFC1D 1 call UpdateBuffer
1 ; do the update
2A7D 61 1 popad
2A7E 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2A87 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2A90 1 ??0000:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
2A90 C3 ret
2A91 StopSample ENDP
;*----------------------------------------------
----------------------------*
2A91 StopOneSample PROC USES EBX ESI EDI,\
thehandle:DWORD
2A91 55 * push ebp
2A92 8B EC * mov ebp, esp
2A94 53 * push ebx
2A95 56 * push esi
2A96 57 * push edi
2A97 6A FF push -1
; end of recursion
2A99 8B 45 08 mov eax, thehandle
2A9C 8D 15 00000168 R lea edx, CurrentList
2AA2 8B DA mov ebx, edx
CRIT_SECT
1
2AA4 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2AAD 83 3B 00 keeplooking: cmp dword ptr[ebx], 0
2AB0 74 0B je short exit
2AB2 66| 3B 43 14 cmp ax, word ptr[ebx+HANDLE]
2AB6 74 50 je short found
2AB8 83 C3 2C add ebx, STRUCT_SIZE
2ABB EB F0 jmp short keeplooking
2ABD exit:
2ABD 8D 1D 00000A00 R lea ebx, SonList
2AC3 3B D3 cmp edx, ebx
2AC5 8B D3 mov edx, ebx
2AC7 75 E4 jne short keeplooking
2AC9 58 pop eax
; get "son"
2ACA 0B C0 or eax, eax
2ACC 79 DF jns short keeplooking
; less than #2 billions samples !
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2ACE 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2AD7 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2ADF 74 22 1 je ??0001 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2AE1 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2AEA 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2AEB E8 FFFFFBAA 1 call UpdateBuffer
1 ; do the update
2AF0 61 1 popad
2AF1 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2AFA 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2B03 1 ??0001:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
ret
2B03 5F * pop edi
2B04 5E * pop esi
2B05 5B * pop ebx
2B06 C9 * leave
2B07 C3 * ret 00000h
2B08 found:
2B08 8B 4B 10 mov ecx, dword ptr[ebx+SON]
2B0B 0B C9 or ecx, ecx
2B0D 78 01 js short noson
2B0F 51 push ecx
; "son" to be removed
2B10 noson:
2B10 8B F3 mov esi, ebx
2B12 8B FB mov edi, ebx
2B14 83 C6 2C add esi, STRUCT_SIZE
2B17 83 3E 00 LoopRemove: cmp dword ptr[esi], 0
2B1A 74 09 je short EndRemove
2B1C B9 0000000B mov ecx, STRUCT_SIZE / 4
2B21 F3/ A5 rep movsd
2B23 EB F2 jmp short LoopRemove
2B25 EndRemove:
2B25 C7 07 00000000 mov dword ptr[edi], 0
2B2B EB 80 jmp short keeplooking
2B2D StopOneSample ENDP
;-----------------------------------------------
-----------------------------
2B2D ShiftSamples PROC USES ESI EDI EBX,\
DestAddr:DWORD, SrcAddr:DWORD, S
izeByte:DWORD
2B2D 55 * push ebp
2B2E 8B EC * mov ebp, esp
2B30 56 * push esi
2B31 57 * push edi
2B32 53 * push ebx
2B33 8D 15 00000168 R lea edx, CurrentList
2B39 8B 75 0C mov esi, SrcAddr
; Source
2B3C 8B C6 mov eax, esi
; save Source for comparison
2B3E 8B 7D 08 mov edi, DestAddr
; Destination
2B41 8B 4D 10 mov ecx, SizeByte
; number of bytes to move
2B44 8A D9 mov bl, cl
; compute counters
2B46 C1 E9 02 shr ecx, 2
2B49 80 E3 03 and bl, 3
CRIT_SECT
1
2B4C 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2B55 F3/ A5 rep movsd
; move the data
2B57 8A CB mov cl, bl
2B59 F3/ A4 rep movsb
2B5B 2B FE sub edi, esi
; shift (delta addr)
2B5D 8B DA mov ebx, edx
2B5F 83 3B 00 keeplooking: cmp dword ptr[ebx], 0
2B62 74 0F je short exit
2B64 3B 43 18 cmp eax, [ebx+START]
2B67 77 05 ja short notfound
2B69 01 7B 18 add [ebx+START], edi
2B6C 01 3B add [ebx], edi
2B6E notfound:
2B6E 83 C3 2C add ebx, STRUCT_SIZE
2B71 EB EC jmp short keeplooking
2B73 exit:
2B73 8D 1D 00000A00 R lea ebx, SonList
2B79 3B D3 cmp edx, ebx
2B7B 8B D3 mov edx, ebx
2B7D 75 E0 jne short keeplooking
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2B7F 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2B88 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2B90 74 22 1 je ??0002 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2B92 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2B9B 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2B9C E8 FFFFFAF9 1 call UpdateBuffer
1 ; do the update
2BA1 61 1 popad
2BA2 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2BAB 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2BB4 1 ??0002:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
ret
2BB4 5B * pop ebx
2BB5 5F * pop edi
2BB6 5E * pop esi
2BB7 C9 * leave
2BB8 C3 * ret 00000h
2BB9 ShiftSamples ENDP
;-----------------------------------------------
-----------------------------
2BB9 StopOneSampleLong PROC USES ESI EDI,\
LongHandle:DWORD
2BB9 55 * push ebp
2BBA 8B EC * mov ebp, esp
2BBC 56 * push esi
2BBD 57 * push edi
2BBE 8B 45 08 mov eax, LongHandle
CRIT_SECT
1
2BC1 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2BCA E8 000000CB call SearchLongHandle
2BCF 0B D2 or edx, edx
2BD1 74 1B jz short notfound
2BD3 8B F2 mov esi, edx
2BD5 8B FA mov edi, edx
2BD7 83 C6 2C add esi, STRUCT_SIZE
2BDA 83 3E 00 LoopRemove: cmp dword ptr[esi], 0
2BDD 74 09 je short EndRemove
2BDF B9 0000000B mov ecx, STRUCT_SIZE / 4
2BE4 F3/ A5 rep movsd
2BE6 EB F2 jmp short LoopRemove
2BE8 EndRemove:
2BE8 C7 07 00000000 mov dword ptr[edi], 0
2BEE notfound:
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2BEE 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2BF7 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2BFF 74 22 1 je ??0003 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2C01 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2C0A 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2C0B E8 FFFFFA8A 1 call UpdateBuffer
1 ; do the update
2C10 61 1 popad
2C11 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2C1A 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2C23 1 ??0003:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
ret
2C23 5F * pop edi
2C24 5E * pop esi
2C25 C9 * leave
2C26 C3 * ret 00000h
2C27 StopOneSampleLong ENDP
;*----------------------------------------------
----------------------------*
2C27 SampleInList PROC USES EBX,\
thehandle:DWORD
CRIT_SECT
1
2C27 55 * push ebp
2C28 8B EC * mov ebp, esp
2C2A 53 * push ebx
2C2B 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2C34 8B 55 08 mov edx, thehandle
2C37 B8 00000001 mov eax, 1
; True
2C3C 8D 0D 00000168 R lea ecx, CurrentList
2C42 8B D9 mov ebx, ecx
2C44 83 3B 00 keeplooking: cmp dword ptr[ebx], 0
2C47 74 0B je short exit
2C49 66| 3B 53 14 cmp dx, word ptr[ebx+HANDLE]
2C4D 74 13 je short found
2C4F 83 C3 2C add ebx, STRUCT_SIZE
2C52 EB F0 jmp short keeplooking
2C54 exit:
2C54 8D 1D 00000A00 R lea ebx, SonList
2C5A 3B CB cmp ecx, ebx
2C5C 8B CB mov ecx, ebx
2C5E 75 E4 jne keeplooking
2C60 33 C0 xor eax, eax
; False
2C62 found:
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2C62 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2C6B 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2C73 74 22 1 je ??0004 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2C75 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2C7E 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2C7F E8 FFFFFA16 1 call UpdateBuffer
1 ; do the update
2C84 61 1 popad
2C85 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2C8E 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2C97 1 ??0004:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
ret
2C97 5B * pop ebx
2C98 C9 * leave
2C99 C3 * ret 00000h
2C9A SampleInList ENDP
;*----------------------------------------------
----------------------------*
2C9A SearchLongHandle PROC
2C9A 8D 15 00000168 R lea edx, CurrentList
2CA0 8D 0D 00000A00 R lea ecx, SonList
2CA6 83 3A 00 keeplooking: cmp dword ptr[edx], 0
2CA9 74 0A je short exit
2CAB 3B 42 14 cmp eax, dword ptr[edx+HANDL
E]
2CAE 74 0D je short found
2CB0 83 C2 2C add edx, STRUCT_SIZE
2CB3 EB F1 jmp short keeplooking
2CB5 exit:
2CB5 3B D1 cmp edx, ecx
2CB7 8B D1 mov edx, ecx
2CB9 75 EB jne keeplooking
2CBB 33 D2 xor edx, edx
2CBD found:
2CBD C3 ret
2CBE SearchLongHandle ENDP
;*----------------------------------------------
----------------------------*
2CBE ChangeVolume PROC \
LongHandle:DWORD, volleft:DWORD,
volright:DWORD
ifdef STEREO
ifdef SAMPLE16BIT
2CBE 55 * push ebp
2CBF 8B EC * mov ebp, esp
2CC1 8B 45 08 mov eax, LongHandle
CRIT_SECT
1
2CC4 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2CCD E8 FFFFFFC8 call SearchLongHandle
2CD2 0B D2 or edx, edx
2CD4 74 14 jz short notfound
2CD6 8B 45 0C mov eax, volleft
2CD9 C1 E8 02 shr eax, SHIFT_SAMPLE - 1
; Preshift according to number of channe
ls
2CDC 66| 89 42 20 mov word ptr[edx+VOL_LEFT],
ax
2CE0 8B 45 10 mov eax, volright
2CE3 C1 E8 02 shr eax, SHIFT_SAMPLE - 1
; Preshift according to number of channe
ls
ifdef SURROUND
neg eax
endif
2CE6 66| 89 42 22 mov word ptr[edx+VOL_RIGHT],
ax
2CEA notfound:
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2CEA 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2CF3 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2CFB 74 22 1 je ??0005 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2CFD 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2D06 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2D07 E8 FFFFF98E 1 call UpdateBuffer
1 ; do the update
2D0C 61 1 popad
2D0D 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2D16 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2D1F 1 ??0005:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
else
mov eax, LongHandle
CRIT_SECT
call SearchLongHandle
or edx, edx
jz short notfound
push edi
mov edi, edx
mov cx, word ptr[volleft]
or cx, cx
jnz short okleft
mov cx, 2
; if volleft = 0 then right
jmp short storepos
okleft: mov ax, word ptr[volright]
shl ax, 7
; * 128
xor dx, dx
div cx
mov cx, 2
; right
cmp ax, 222
; 1.732 (= tan 60) * 128
jae short storepos
dec cx
; left
cmp ax, 74
; .577 (= tan 30) * 128
jb short storepos
dec cx
; middle
storepos: mov word ptr[edi+VOL_LEFT],
cx ; Store position (0:middle, 1:left, 2:ri
ght)
pop edi
notfound:
END_CRIT_SECT
endif
else
ifdef SAMPLE16BIT
mov eax, LongHandle
CRIT_SECT
call SearchLongHandle
or edx, edx
jz short notfound
push edi
push ebx
mov edi, edx
mov eax, volleft
imul eax, eax
mov ecx, volright
imul ecx, ecx
add eax, ecx
call sqr2
shr eax, SHIFT_SAMPLE - 1
; Preshift according to number of channe
ls
mov word ptr[edi+VOL_LEFT],
ax ; VOL_LEFT = sqr(volleft^2 + volright^2)
pop ebx
pop esi
notfound:
END_CRIT_SECT
endif
endif
ret
2D1F C9 * leave
2D20 C3 * ret 00000h
2D21 ChangeVolume ENDP
ifdef SAMPLE16BIT
ifndef STEREO
;*----------------------------------------------
----------------------------*
; EAX = Sqr(EAX)
Sqr2 PROC
cmp eax, 3
; if eax <= 3 then
jbe short asqr_0_1
; square root is 0 or 1
xor edx, edx
; clear edx
mov ebx, eax
; copy eax into ebx so that
; edx:ebx are used "like" a 64 bit
; register
bsr eax, ebx
; position of last 1 of ebx in eax
mov cl, 33
; compute how many left shift
sub cl, al
; are needed in order to have the
and cl, 11111110b
; most significant 2 bit pair at the
; leftmost position of edx
shld edx, ebx, cl
; shift edx:ebx by the number
shl ebx, cl
; computed above
mov ecx, eax
; compute in ecx how many pairs of
shr ecx, 1
; 2 bit are left to be processed
mov eax, 1
; eax = 1
dec edx
; edx = edx - 1
asqr_loop: shld edx, ebx, 2
; edx:ebx << 2
shl ebx, 2
;
lve eax, eax*2
; eax * 2
cmp edx, eax
; compare edx and eax
jb short asqr_neg
; if edx<eax then go asqr_neg
inc eax
; else eax = eax + 1
sub edx, eax
; edx = edx - eax
jnc short asqr_1
; if edx was greater than eax
; then no pb and go asqr_1
add edx, eax
; else undo, edx = edx + eax
asqr_neg: shr eax, 1
; shift eax right by one
dec ecx
; one less pair to process
jnz short asqr_loop
; if there is some left then go asqr_loop
ret
; return to caller
asqr_1: inc eax
; eax = eax + 1
shr eax, 1
; eax >> 1
dec ecx
; one less pair to process
jnz short asqr_loop
; if there is some left then go asqr_loop
ret
; return to caller
asqr_0_1: or eax, eax
; if eax = 0
jz short asqr_00
; then return to caller
mov eax, 1
; else eax = 1
asqr_00: ret
; return to caller
Sqr2 ENDP
endif
endif
;*----------------------------------------------
----------------------------*
2D21 MixSample PROC USES ESI EDI EBX,\
thehandle:DWORD, pitchbend:DWORD
, therepeat:DWORD,\
plug:DWORD, volleft:DWORD, volri
ght:DWORD,\
buffer:DWORD; buffer with .VOC
2D21 55 * push ebp
2D22 8B EC * mov ebp, esp
2D24 56 * push esi
2D25 57 * push edi
2D26 53 * push ebx
2D27 8B 75 20 mov esi, buffer
2D2A 33 C0 xor eax, eax
2D2C 8A 06 mov al, [esi]
2D2E FE C0 inc al
2D30 3C 0A cmp al, 10
2D32 72 02 jb okfilter
2D34 33 C0 xor eax, eax
2D36 50 okfilter: push eax
2D37 0F B7 46 14 movzx eax, word ptr[esi+14h]
2D3B 03 F0 add esi, eax
; skip header
2D3D 80 3E 01 cmp byte ptr[esi], 1
; only 1 bloc type allowed
2D40 0F 85 000001B9 jne typeunknown
2D46 80 7E 05 00 cmp byte ptr[esi + 5], 0
; pack method
2D4A 0F 85 000001AF jne typeunknown
; This crap should be removed by using a
file format containing the
; real sampling frequency instead of tha
t stupid sr number in .VOC !
; :-(
2D50 66| BA 000F mov dx, 0Fh
2D54 66| B8 4240 mov ax, 4240h
; dx:ax = 1000000
2D58 33 DB xor ebx, ebx
2D5A 8A 5E 04 mov bl, byte ptr[esi + 4]
; bl = sr
2D5D F6 DB neg bl
; bl = 256 - sr
2D5F 66| F7 F3 div bx
2D62 66| D1 E2 shl dx, 1
2D65 66| 83 D0 00 adc ax, 0
; round to nearest
2D69 66| 8B D8 mov bx, ax
; ebx = real sampling rate
; up to here ! and then avoid this ^ div
!
2D6C 8B 46 01 mov eax, dword ptr[esi + 1]
; size sample
2D6F 25 00FFFFFF and eax, 0FFFFFFh
; 24 significant bits
2D74 83 E8 02 sub eax, 2
; -2 header
2D77 83 C6 06 add esi, 6
; esi->data
2D7A 89 35 000025D4 R mov dword ptr[save_1], esi
; save it
2D80 8B 55 0C mov edx, pitchbend
2D83 C1 E2 04 shl edx, 4
2D86 0F AF DA imul ebx, edx
2D89 C1 EB 10 shr ebx, 16
2D8C 66| 83 D3 00 adc bx, 0
; ebx = scaled sampling rate
2D90 33 D2 xor edx, edx
2D92 93 xchg eax, ebx
; edx = 0, eax = sr, ebx = size
2D93 92 xchg edx, eax
; edx = sr, eax = 0, ebx = size
2D94 66| F7 35 000025A4 R div word ptr[PlayRate]
; dx:ax / PlayRate; ax = INCR
2D9B 3D 0000FFFF cmp eax, 0FFFFh
2DA0 76 05 jbe okincr
2DA2 B8 0000FFFF mov eax, 0FFFFh
2DA7 A3 000025D8 R okincr: mov dword ptr[save_2], eax
; save_2 = INCR
2DAC 8B CB mov ecx, ebx
; ecx = size
2DAE 8B F3 mov esi, ebx
2DB0 C1 EE 10 shr esi, 16
; esi = hi(size)
2DB3 8B D6 mov edx, esi
2DB5 93 xchg eax, ebx
; eax = size, ebx = INCR
2DB6 48 dec eax
; A TRY !!!! (will make loop around next
longer...)
2DB7 C1 E0 10 shl eax, 16
2DBA F7 F3 div ebx
; div 64 bits !!!
2DBC 2B C6 sub eax, esi
; sub max roundoff error
2DBE 8B F0 mov esi, eax
; esi = eax = new size
2DC0 F7 E3 mul ebx
; remultiply
2DC2 66| 8B D8 mov bx, ax
; FRACT in bx
2DC5 0F AC D0 10 shrd eax, edx, 16
; size in eax
2DC9 66| 8B 15 000025D8 R mov dx, word ptr[save_2]
; INCR in dx
2DD0 2B C8 sub ecx, eax
; how much am I off?
2DD2 0F 86 00000127 jbe typeunknown
; security, should not happen!
2DD8 46 next: inc esi
; length + 1
2DD9 66| 03 DA add bx, dx
; update fractional part of address
2DDC 73 FA jnc short next
; if (not C) next
2DDE 66| 49 dec cx
2DE0 75 F6 jnz short next
; not right yet, loop
2DE2 A1 000025B8 R mov eax, dword ptr[follow]
2DE7 8D 1D 00000168 R lea ebx, CurrentList
2DED 8B FB mov edi, ebx
2DEF 66| 8B 4D 08 mov cx, word ptr[thehandle]
IFNDEF SAMPLE_16BIT
2DF3 66| 81 F9 1234 cmp cx, VOICE_HANDLE
2DF8 75 0B jne ok_handle
2DFA 50 push eax
2DFB 51 push ecx
2DFC 52 push edx
2DFD E8 FFFFFC2F call StopSample
2E02 5A pop edx
2E03 59 pop ecx
2E04 58 pop eax
2E05 ok_handle:
ENDIF
2E05 0B 0D 000025C4 R or ecx, dword ptr[weirdcoun
t] ; why not ?
2E0B 66| FF 05 000025C6 R inc word ptr[weirdcount+2]
CRIT_SECT
1
2E12 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2E1B 83 7D 14 00 cmp plug, 0
2E1F 74 31 je NoPlug
2E21 8D 3D 00000A00 R lea edi, SonList
2E27 83 3B 00 keeplooking0: cmp dword ptr[ebx], 0
2E2A 74 0A je short SearchSonList
2E2C 3B 43 14 cmp eax, dword ptr[ebx+HANDL
E] ; look for the "father" sample
2E2F 74 1E je short found
2E31 83 C3 2C add ebx, STRUCT_SIZE
2E34 EB F1 jmp short keeplooking0
2E36 SearchSonList:
2E36 8D 1D 00000A00 R lea ebx, SonList
2E3C 83 3B 00 keeplooking1: cmp dword ptr[ebx], 0
2E3F 74 0A je short Exit
2E41 3B 43 14 cmp eax, dword ptr[ebx+HANDL
E] ; look for the "father" sample
2E44 74 09 je short found
2E46 83 C3 2C add ebx, STRUCT_SIZE
2E49 EB F1 jmp short keeplooking1
2E4B exit:
2E4B 33 C0 xor eax, eax
2E4D EB 76 jmp endcritical
2E4F found:
2E4F 89 4B 10 mov dword ptr[ebx+SON], ecx
; connect it to ist "son"
2E52 NoPlug:
2E52 33 C0 xor eax, eax
2E54 83 EF 2C sub edi, STRUCT_SIZE
2E57 83 C7 2C SearchEnd: add edi, STRUCT_SIZE
2E5A 3B 07 cmp eax, dword ptr[edi]
2E5C 75 F9 jne short SearchEnd
2E5E 89 0D 000025B8 R mov dword ptr[follow], ecx
; update follow
2E64 89 4F 14 mov dword ptr[edi+HANDLE], e
cx ; sample handle
2E67 66| 8B 4D 10 mov cx, word ptr[therepeat]
2E6B 66| 89 4F 0C mov word ptr[edi+C_REPEAT],
cx ; Repeat
2E6F 89 77 08 mov dword ptr[edi+LEFT], esi
; length
2E72 89 77 1C mov dword ptr[edi+DLENGTH],
esi ; length
2E75 A1 000025D4 R mov eax, dword ptr[save_1]
2E7A 89 07 mov dword ptr[edi], eax
; Start
2E7C 89 47 18 mov dword ptr[edi+START], ea
x ; Start
2E7F A1 000025D8 R mov eax, dword ptr[save_2]
2E84 66| 89 47 0E mov word ptr[edi+INCR], ax
; increment
2E88 C7 47 04 00010000 mov dword ptr[edi+FRACT], 10
000h ; fractional (with 1 above so != 0)
2E8F C7 47 10 FFFFFFFF mov dword ptr[edi+SON], -1
; son
2E96 C7 47 24 FFFFFFFF mov dword ptr[edi+INFO0], -1
; info0
2E9D 58 pop eax
2E9E 88 47 28 mov [edi+INTERPOL], al
; filter on/off
2EA1 C6 47 29 80 mov byte ptr[edi+LAST_SAMPLE
], 80h ; 80h ( 0 )
ifdef STEREO
ifdef SAMPLE16BIT
2EA5 8B 45 18 mov eax, volleft
2EA8 C1 E8 02 shr eax, SHIFT_SAMPLE - 1
; Preshift according to number of channe
ls
2EAB 66| 89 47 20 mov word ptr[edi+VOL_LEFT],
ax
2EAF 8B 45 1C mov eax, volright
2EB2 C1 E8 02 shr eax, SHIFT_SAMPLE - 1
; Preshift according to number of channe
ls
ifdef SURROUND
neg eax
endif
2EB5 66| 89 47 22 mov word ptr[edi+VOL_RIGHT],
ax
else
mov si, 2
; right
mov ecx, volleft
or ecx, ecx
jz short storepos
okleft: mov eax, volright
shl eax, 7
; * 128
xor edx, edx
div ecx
cmp eax, 74
; 1.732 (= tan 60) * 128
jb short storepos
dec si
; left
cmp eax, 222
; .577 (= tan 30) * 128
jae short storepos
dec si
; middle
storepos: mov word ptr[edi+VOL_LEFT],
si ; Store position (0:middle, 1:left, 2:ri
ght)
mov word ptr[edi+VOL_RIGHT],
1 ; to fill with non 0
endif
else
ifdef SAMPLE16BIT
mov eax, volleft
imul eax, eax
mov ecx, volright
imul ecx, ecx
add eax, ecx
call sqr2
shr eax, SHIFT_SAMPLE - 1
; Preshift according to number of channe
ls
mov word ptr[edi+VOL_LEFT],
ax ; VOL_LEFT = sqr(volleft^2 + volright^2)
mov word ptr[edi+VOL_RIGHT],
1 ; to fill with non 0
else
mov dword ptr[edi+VOL_LEFT],
1 ; to fill with non 0
endif
endif
2EB9 C7 47 2C 00000000 mov dword ptr[edi+STRUCT_SIZ
E], 0 ; mark end of List
2EC0 A1 000025B8 R mov eax, dword ptr[follow]
2EC5 endcritical:
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2EC5 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2ECE 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2ED6 74 22 1 je ??0006 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2ED8 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2EE1 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2EE2 E8 FFFFF7B3 1 call UpdateBuffer
1 ; do the update
2EE7 61 1 popad
2EE8 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2EF1 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2EFA 1 ??0006:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
ret
2EFA 5B * pop ebx
2EFB 5F * pop edi
2EFC 5E * pop esi
2EFD C9 * leave
2EFE C3 * ret 00000h
2EFF typeunknown:
2EFF 58 pop eax
2F00 33 C0 xor eax, eax
ret
2F02 5B * pop ebx
2F03 5F * pop edi
2F04 5E * pop esi
2F05 C9 * leave
2F06 C3 * ret 00000h
2F07 MixSample ENDP
;*----------------------------------------------
----------------------------*
ifdef SINGLE_DMA
BlockTransfert PROC
push ebx
mov ecx, BUFFER_SIZE * SSIZE
cmp word ptr[DMA_number], 3
jbe noLengthAdj
shr ecx, 1
NoLengthAdj:
dec ecx
; buffer size - 1
mov ebx, dword ptr[DMA]
; Point to DMAx
mov dx, word ptr[ebx + MASK_
REG]
mov al, byte ptr[ebx + MASK2
] ; mask channel
out dx, al
mov dx, word ptr[ebx + FF_RE
G]
out dx, al
; flip-flop
mov dx, word ptr[ebx + COUNT
_REG]
mov al, cl
; buffer size - 1
out dx, al
mov al, ch
out dx, al
mov dx, word ptr[ebx + ADDX_
REG]
mov eax, dword ptr[BufferHal
f]
mov eax, dword ptr[BUFFER_DM
A+eax] ; start offset
cmp word ptr[DMA_number], 3
jbe noAddrAdj
shr eax, 1
NoAddrAdj:
out dx, al
shr eax, 8
out dx, al
mov dx, word ptr[ebx + PAGE_
REG]
shr eax, 8
; page of DMA transfert
out dx, al
mov dx, word ptr[ebx + MODE_
REG]
mov al, byte ptr[ebx + VOICE
_OUT] ; output sample
out dx, al
mov dx, word ptr[ebx + MASK_
REG]
mov al, byte ptr[ebx + MASK1
] ; channel OK
out dx, al
pop ebx
jmp StartDMACard
BlockTransfert ENDP
endif
;*----------------------------------------------
----------------------------*
2F07 PauseSample PROC
2F07 33 C0 xor eax, eax
CRIT_SECT
1
2F09 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2F12 A0 00002559 R mov al, byte ptr[FlagPause]
2F17 FE C8 dec al
2F19 24 02 and al, 10b
2F1B 0C 01 or al, 01b
; 0->3, 1->1, 2->1, 3->3
2F1D A2 00002559 R mov byte ptr[FlagPause], al
2F22 D1 E8 shr eax, 1
2F24 34 01 xor al, 1
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2F26 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2F2F 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2F37 74 22 1 je ??0007 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2F39 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2F42 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2F43 E8 FFFFF752 1 call UpdateBuffer
1 ; do the update
2F48 61 1 popad
2F49 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2F52 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2F5B 1 ??0007:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
2F5B C3 ret
2F5C PauseSample ENDP
;*----------------------------------------------
----------------------------*
2F5C ContinueSample PROC
2F5C 33 C0 xor eax, eax
CRIT_SECT
1
2F5E 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
2F67 A0 00002559 R mov al, byte ptr[FlagPause]
2F6C FE C0 inc al
2F6E 24 02 and al, 10b
; 0->0, 1->2, 2->2, 3->0
2F70 A2 00002559 R mov byte ptr[FlagPause], al
2F75 D1 E8 shr eax, 1
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
2F77 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
2F80 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
2F88 74 22 1 je ??0008 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
2F8A 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
2F93 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
2F94 E8 FFFFF701 1 call UpdateBuffer
1 ; do the update
2F99 61 1 popad
2F9A 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
2FA3 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
2FAC 1 ??0008:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
2FAC C3 ret
2FAD ContinueSample ENDP
;-----------------------------------------------
-----------------------------
ifndef NOIRQ
2FAD InstallISR PROC
2FAD 52 push edx
2FAE 8A 1D 000025B0 R mov bl, byte ptr[INT_number]
; plug ISR on user INT
2FB4 66| 8C C9 mov cx, cs
SET_PROT_VECT
1
2FB7 66| B8 0205 1 mov ax, 0205h
2FBB CD 31 1 int 31h
1
2FBD 5A pop edx
2FBE 83 3D 000025A8 R cmp dword ptr[IRQ_number], 7
07 ; if IRQ > 7
2FC5 76 25 jbe nobi
2FC7 B3 18 mov bl, 18h
; plug as well on int 18h
2FC9 66| 8C C9 mov cx, cs
SET_PROT_VECT
1
2FCC 66| B8 0205 1 mov ax, 0205h
2FD0 CD 31 1 int 31h
1
2FD2 8A 1D 000025B0 R mov bl, byte ptr[INT_number]
; plug into real usr INT
2FD8 B9 000025F0 R mov ecx, offset Redirector
2FDD 66| 8B D1 mov dx, cx
; compute real-mode
2FE0 66| 33 C9 xor cx, cx
; seg:ofs
2FE3 C1 E9 04 shr ecx, 4
SET_REAL_VECT
1
2FE6 66| B8 0201 1 mov ax, 0201h
2FEA CD 31 1 int 31h
1
2FEC nobi:
2FEC C3 ret
2FED InstallISR ENDP
endif
;-----------------------------------------------
-----------------------------
2FED InitCard PROC USES EBX EDI ESI EBP,\
Buffer:DWORD
ifndef NOIRQ
2FED 55 * push ebp
2FEE 8B EC * mov ebp, esp
2FF0 53 * push ebx
2FF1 57 * push edi
2FF2 56 * push esi
2FF3 55 * push ebp
2FF4 66| 8C 1D 0000262E R mov word ptr[local_DS], ds
endif
2FFB 8B 45 08 mov eax, Buffer
2FFE A3 000025E4 R mov dword ptr[BUFFER_DMA], e
ax
ifndef SBPRO
3003 E8 0000042E call ResetCard
endif
ifndef NOIRQ
3008 33 C0 xor eax, eax
300A 66| A1 000025AC R mov ax, word ptr[DMA_number]
3010 66| 83 F8 07 cmp ax, 7
3014 77 0B ja short ErrorDMA
3016 8B 04 85 00000148 R mov eax, dword ptr[TAB_DMA+e
ax*4]
301D 0B C0 or eax, eax
301F 75 08 jnz short DMAFound
3021 ErrorDMA:
3021 33 C0 xor eax, eax
ret
3023 5D * pop ebp
3024 5E * pop esi
3025 5F * pop edi
3026 5B * pop ebx
3027 C9 * leave
3028 C3 * ret 00000h
3029 DMAFound:
3029 A3 000025C0 R mov dword ptr[DMA], eax
302E A1 000025A8 R mov eax, dword ptr[IRQ_numbe
r]
3033 3C 07 cmp al, 7
3035 77 04 ja short Second
3037 04 08 add al, 8
3039 EB 02 jmp short gotvect
303B Second:
303B 04 68 add al, 70h - 8
303D gotvect:
303D A3 000025B0 R mov dword ptr[INT_number], e
ax ; save user int
3042 8A D8 mov bl, al
GET_PROT_VECT
1
3044 66| B8 0204 1 mov ax, 0204h
3048 CD 31 1 int 31h
1
304A 66| 89 0D 00002586 R mov word ptr[Old_PIRQ_Sel],
cx
3051 89 15 0000258C R mov dword ptr[Old_PIRQ_Off],
edx
3057 83 3D 000025A8 R cmp dword ptr[IRQ_number], 7
07
305E 76 2F jbe nobi
3060 8A 1D 000025B0 R mov bl, byte ptr[INT_number]
; if IRQ>7 save real vect
GET_REAL_VECT
1
3066 66| B8 0200 1 mov ax, 0200h
306A CD 31 1 int 31h
1
306C 66| 89 0D 00002584 R mov word ptr[Old_RIRQ_Seg],
cx
3073 66| 89 15 0000258A R mov word ptr[Old_RIRQ_Off],
dx
307A B3 18 mov bl, 18h
; if IRQ>7 save int 18h
GET_PROT_VECT
1
307C 66| B8 0204 1 mov ax, 0204h
3080 CD 31 1 int 31h
1
3082 66| 89 0D 00002588 R mov word ptr[Old_18_Sel], cx
3089 89 15 00002590 R mov dword ptr[Old_18_Off], e
dx
308F nobi:
308F 66| BA 0021 mov dx, 21h
; IRQ mask reg
3093 66| 8B 0D 000025A8 R mov cx, word ptr[IRQ_number]
309A 66| 83 F9 07 cmp cx, 7
309E 76 04 jbe short Ok21
30A0 66| BA 00A1 mov dx, 0A1h
; reg A1h, 2nd ctrl
30A4 EC Ok21: in al, dx
30A5 A2 00002558 R mov byte ptr[IRQ_mask], al
; save mask
30AA 80 E1 07 and cl, 7
30AD B3 01 mov bl, 1
30AF D2 E3 shl bl, cl
30B1 F6 D3 not bl
30B3 22 C3 and al, bl
; unmask IRQ
30B5 EE out dx, al
; write new mask
ifdef SBPRO
call ResetCard
endif
30B6 BA 00002628 R mov edx, offset NewIRQ
30BB E8 FFFFFEED call InstallISR
endif
30C0 E8 FFFFF96C call StopSample
; to reset everything
30C5 33 C0 xor eax, eax
30C7 A3 00001298 R mov dword ptr[BackCurrentLis
t], eax
30CC A3 00001B30 R mov dword ptr[BackSonList],
eax
30D1 8B 3D 000025E4 R mov edi, dword ptr[BUFFER_DM
A]
30D7 8B C7 mov eax, edi
30D9 05 00001000 add eax, BUFFER_SIZE * SSIZE
30DE A3 000025E8 R mov dword ptr[MID_BUFFER_DMA
], eax ; init pointer
30E3 A3 000025EC R mov dword ptr[CURRENT_BUFFER
], eax ; init pointer
30E8 C7 05 000025B4 R mov dword ptr[BufferHalf], 4
00000004 ; point on second half
30F2 B9 00000800 mov ecx, (BUFFER_SIZE * 2 *
SSIZE) / 4; clear all buffer
MIDPOINT
1
1 IFDEF SAMPLE16BIT
30F7 33 C0 1 xor eax, eax
1 ELSE
1 mov eax, 80808080h
1 ENDIF
1
30F9 F3/ AB rep stosd
ifndef NOIRQ
ifdef AUTO_DMA
30FB B9 00002000 mov ecx, BUFFER_SIZE * 2 * S
SIZE
3100 66| 83 3D 000025AC R cmp word ptr[DMA_number], 3
03
3108 76 02 jbe noLengthAdj
310A D1 E9 shr ecx, 1
310C NoLengthAdj:
310C 49 dec ecx
310D 8B 1D 000025C0 R mov ebx, dword ptr[DMA]
; Point to DMAx
3113 66| 8B 53 08 mov dx, word ptr[ebx + MASK_
REG]
3117 8A 43 03 mov al, byte ptr[ebx + MASK2
] ; mask channel
311A EE out dx, al
311B 66| 8B 53 0C mov dx, word ptr[ebx + FF_RE
G]
311F EE out dx, al
; flip-flop
3120 66| 8B 53 06 mov dx, word ptr[ebx + COUNT
_REG]
3124 8A C1 mov al, cl
; buffer size - 1
3126 EE out dx, al
3127 8A C5 mov al, ch
3129 EE out dx, al
312A 66| 8B 53 04 mov dx, word ptr[ebx + ADDX_
REG]
312E A1 000025E4 R mov eax, dword ptr[BUFFER_DM
A] ; start offset
3133 66| 83 3D 000025AC R cmp word ptr[DMA_number], 3
03
313B 76 0D jbe noAddrAdj
; shr eax, 1
313D D1 E8 shr eax, 1
313F 66| 8B F8 mov di, ax
3142 66| 33 C0 xor ax, ax
3145 D1 E0 shl eax, 1
3147 66| 8B C7 mov ax, di
314A NoAddrAdj:
314A EE out dx, al
314B C1 E8 08 shr eax, 8
314E EE out dx, al
314F 66| 8B 53 0E mov dx, word ptr[ebx + PAGE_
REG]
3153 C1 E8 08 shr eax, 8
; page of DMA transfert
3156 EE out dx, al
3157 66| 8B 53 0A mov dx, word ptr[ebx + MODE_
REG]
315B 8A 43 01 mov al, byte ptr[ebx + AUTO_
OUT] ; output sample
315E EE out dx, al
315F 66| 8B 53 08 mov dx, word ptr[ebx + MASK_
REG]
3163 8A 43 02 mov al, byte ptr[ebx + MASK1
] ; channel OK
3166 EE out dx, al
endif
endif
ifdef AUTO_DMA
3167 E8 000003B8 call StartDMACard
elseifdef SINGLE_DMA
call BlockTransfert
; Start DMA transfert
endif
316C B8 00000001 mov eax, 1
ret
3171 5D * pop ebp
3172 5E * pop esi
3173 5F * pop edi
3174 5B * pop ebx
3175 C9 * leave
3176 C3 * ret 00000h
3177 InitCard ENDP
;-----------------------------------------------
-----------------------------
3177 ClearCard PROC USES EBX ESI EDI EBP
3177 53 * push ebx
3178 56 * push esi
3179 57 * push edi
317A 55 * push ebp
317B E8 FFFFF8B1 call StopSample
; just in case something was playing...
3180 E8 00000359 call CloseCard
ifndef NOIRQ
3185 66| BA 0021 mov dx, 21h
; read IRQ mask
3189 66| 83 3D 000025A8 R cmp word ptr[IRQ_number], 7
07
3191 76 05 jbe short Ok21
3193 66| 81 C2 0080 add dx, 80h
; reg 0A1h
3198 A0 00002558 R Ok21: mov al, byte ptr[IRQ_mask]
; get old mask
319D EE out dx, al
; write old IRQ mask
319E 8A 1D 000025B0 R mov bl, byte ptr[INT_number]
31A4 66| 8B 0D 00002586 R mov cx, word ptr[Old_PIRQ_se
l]
31AB 8B 15 0000258C R mov edx, dword ptr[Old_PIRQ_
off]
SET_PROT_VECT
1
31B1 66| B8 0205 1 mov ax, 0205h
31B5 CD 31 1 int 31h
1
31B7 83 3D 000025A8 R cmp dword ptr[IRQ_number], 7
07
31BE 76 2F jbe nobi
31C0 8A 1D 000025B0 R mov bl, byte ptr[INT_number]
31C6 66| 8B 0D 00002584 R mov cx, word ptr[Old_RIRQ_se
g]
31CD 66| 8B 15 0000258A R mov dx, word ptr[Old_RIRQ_of
f]
SET_REAL_VECT
1
31D4 66| B8 0201 1 mov ax, 0201h
31D8 CD 31 1 int 31h
1
31DA B3 18 mov bl, 18h
31DC 66| 8B 0D 00002588 R mov cx, word ptr[Old_18_sel]
31E3 8B 15 00002590 R mov edx, dword ptr[Old_18_of
f]
SET_PROT_VECT
1
31E9 66| B8 0205 1 mov ax, 0205h
31ED CD 31 1 int 31h
1
31EF nobi:
endif
ret
31EF 5D * pop ebp
31F0 5F * pop edi
31F1 5E * pop esi
31F2 5B * pop ebx
31F3 C3 * ret 00000h
31F4 ClearCard ENDP
;-----------------------------------------------
-----------------------------
31F4 AskVars PROC ,\
pListNames:DWORD, pListVars:DWOR
D
31F4 55 * push ebp
31F5 8B EC * mov ebp, esp
31F7 B8 00002594 R mov eax, offset ListNames
31FC 8B 4D 08 mov ecx, pListNames
31FF 89 01 mov dword ptr[ecx], eax
3201 B8 000025A0 R mov eax, offset ListVars
3206 8B 4D 0C mov ecx, pListVars
3209 89 01 mov dword ptr[ecx], eax
ret
320B C9 * leave
320C C3 * ret 00000h
320D AskVars ENDP
;-----------------------------------------------
-----------------------------
320D GetBufferSize PROC
320D B8 00002000 mov eax, BUFFER_SIZE * 2 * S
SIZE
3212 C3 ret
3213 GetBufferSize ENDP
;-----------------------------------------------
-----------------------------
3213 GiveSampleInfo0 PROC \
LongHandle:DWORD, Info:DWORD
3213 55 * push ebp
3214 8B EC * mov ebp, esp
3216 8B 45 08 mov eax, LongHandle
CRIT_SECT
1
3219 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
3222 E8 FFFFFA73 call SearchLongHandle
3227 0B D2 or edx, edx
3229 74 06 jz short notfound
322B 8B 45 0C mov eax, Info
322E 89 42 24 mov dword ptr[edx+INFO0], ea
x
3231 notfound:
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
3231 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
323A 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
3242 74 22 1 je ??0009 ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
3244 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
324D 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
324E E8 FFFFF447 1 call UpdateBuffer
1 ; do the update
3253 61 1 popad
3254 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
325D 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
3266 1 ??0009:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
ret
3266 C9 * leave
3267 C3 * ret 00000h
3268 GiveSampleInfo0 ENDP
;-----------------------------------------------
-----------------------------
3268 GetSnapSample PROC USES EBX,\
pList:DWORD
3268 55 * push ebp
3269 8B EC * mov ebp, esp
326B 53 * push ebx
326C 8D 05 000023C8 R lea eax, SnapList
3272 8B 55 08 mov edx, pList
3275 89 02 mov dword ptr[edx], eax
3277 8D 15 00000168 R lea edx, CurrentList
327D 8D 0D 00000A00 R lea ecx, SonList
CRIT_SECT
1
3283 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
328C 83 3A 00 keeplooking: cmp dword ptr[edx], 0
328F 74 1B je short exit
3291 8B 5A 14 mov ebx, dword ptr[edx+HANDL
E]
3294 89 18 mov dword ptr[eax], ebx
3296 8B 5A 24 mov ebx, dword ptr[edx+INFO0
]
3299 89 58 04 mov dword ptr[eax+4], ebx
329C 8B 1A mov ebx, dword ptr[edx]
329E 2B 5A 18 sub ebx, dword ptr[edx+START
]
32A1 89 58 08 mov dword ptr[eax+8], ebx
32A4 83 C0 0C add eax, 12
32A7 83 C2 2C add edx, STRUCT_SIZE
32AA EB E0 jmp short keeplooking
32AC exit:
32AC 3B CA cmp ecx, edx
32AE 8B D1 mov edx, ecx
32B0 75 DA jne keeplooking
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
32B2 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
32BB 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
32C3 74 22 1 je ??000A ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
32C5 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
32CE 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
32CF E8 FFFFF3C6 1 call UpdateBuffer
1 ; do the update
32D4 61 1 popad
32D5 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
32DE 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
32E7 1 ??000A:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
32E7 2D 000023C8 R sub eax, offset SnapList
32EC C1 E8 03 shr eax, 3
ret
32EF 5B * pop ebx
32F0 C9 * leave
32F1 C3 * ret 00000h
32F2 GetSnapSample ENDP
;-----------------------------------------------
-----------------------------
32F2 CopyList PROC
32F2 83 3E 00 keepcopying: cmp dword ptr[esi], 0
32F5 74 09 je short endcopy
32F7 B9 0000000B mov ecx, STRUCT_SIZE / 4
32FC F3/ A5 rep movsd
32FE EB F2 jmp short keepcopying
3300 C7 07 00000000 endcopy: mov dword ptr[edi], 0
3306 C3 ret
3307 CopyList ENDP
;-----------------------------------------------
-----------------------------
3307 SAveStateSample PROC USES ESI EDI
3307 56 * push esi
3308 57 * push edi
3309 E8 FFFFFBF9 call PauseSample
330E 80 3D 00002559 R waitpause: cmp byte ptr[FlagPause], 1
01
3315 75 F7 jne short waitpause
CRIT_SECT
1
3317 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
3320 8D 35 00000168 R lea esi, CurrentList
; backup CurrentList
3326 8D 3D 00001298 R lea edi, BackCurrentList
332C E8 FFFFFFC1 call CopyList
3331 8D 35 00000A00 R lea esi, SonList
; backup SonList
3337 8D 3D 00001B30 R lea edi, BackSonList
333D E8 FFFFFFB0 call CopyList
3342 A1 000025B8 R mov eax, dword ptr[follow]
; Backup follow
3347 A3 000025BC R mov dword ptr[backfollow], e
ax
334C A1 000025C4 R mov eax, dword ptr[weirdcoun
t] ; Backup weirdcount
3351 A3 000025C8 R mov dword ptr[backweirdcount
], eax
3356 33 C0 xor eax, eax
; empty both lists
3358 A3 00000168 R mov dword ptr[CurrentList],
eax
335D A3 00000A00 R mov dword ptr[SonList], eax
3362 C6 05 00002559 R mov byte ptr[FlagPause], 0
00
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
3369 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
3372 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
337A 74 22 1 je ??000B ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
337C 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
3385 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
3386 E8 FFFFF30F 1 call UpdateBuffer
1 ; do the update
338B 61 1 popad
338C 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
3395 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
339E 1 ??000B:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
ret
339E 5F * pop edi
339F 5E * pop esi
33A0 C3 * ret 00000h
33A1 SAveStateSample ENDP
;-----------------------------------------------
-----------------------------
33A1 RestoreStateSample PROC USES ESI EDI
33A1 56 * push esi
33A2 57 * push edi
33A3 E8 FFFFFB5F call PauseSample
33A8 80 3D 00002559 R waitpause: cmp byte ptr[FlagPause], 1
01
33AF 75 F7 jne short waitpause
CRIT_SECT
1
33B1 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; tell the IRQ not to update the buffer
1
1 ; we'll take care of it if nescessary O:-)
33BA 8D 35 00001298 R lea esi, BackCurrentList
; restore CurrentList
33C0 8D 3D 00000168 R lea edi, CurrentList
33C6 E8 FFFFFF27 call CopyList
33CB 8D 3D 00001B30 R lea edi, BackSonList
; restore SonList
33D1 8D 3D 00000A00 R lea edi, SonList
33D7 E8 FFFFFF16 call CopyList
33DC A1 000025BC R mov eax, dword ptr[backfollo
w] ; restore follow
33E1 A3 000025B8 R mov dword ptr[follow], eax
33E6 A1 000025C8 R mov eax, dword ptr[backweird
count] ; restore weirdcount
33EB A1 000025C4 R mov eax, dword ptr[weirdcoun
t]
END_CRIT_SECT
1 local NoUpdate
1 ; Update buffer if necessary
1
1 ; Dealing with the critical sect
1 ion flags................
1 ;
1 DO NOT TOUCH !!!!
1
33F0 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect.
1
1 ; this way DoUpdate can't change to 1 anymore
33F9 66| 83 3D 00002582 R 1 cmp word ptr[DoUpdate], 0
00 1 ; IRQ happened ?
3401 74 22 1 je ??000C ;
1 if DopUpdate change to 0 now, we are in deep
1
1 ; shit anyway because we missed one round!
1
1 ; The program won't crash but we'll ear the old
1
1 ; content of half a buffer and also miss half a
1 buffer
1
1 ; of new data... :-(
3403 66| C7 05 00002580 R 1 mov word ptr[Critical], 1
0001 1 ; yes, crit. again, so we don't update twice
1
1 ; because UpdateBuffer is not reentrant
1
1 ; and we don't want to take a chance on crashing
1 !
340C 60 1 pushad
1 ; if DoUpdate change to 1 HERE
1
1 ; it means again that we missed one round!
1
1 ; So we play the buffer we are updating! (funny
1 noise :-( )
1
1 ; and then will ear half buffer of old data!
340D E8 FFFFF288 1 call UpdateBuffer
1 ; do the update
3412 61 1 popad
3413 66| C7 05 00002580 R 1 mov word ptr[Critical], 0
0000 1 ; exit crit. sect
1
1 ; this way DoUpdate can't change to 1 anymore
341C 66| C7 05 00002582 R 1 mov word ptr[DoUpdate], 0
0000 1 ; Update done, so DoUpdate = 0
3425 1 ??000C:
1
1
1 ; ALL THOSE NASTY THING SHOULD NOT HAPPEN :-) !!
1 !!
1
1 ; BECAUSE IT WOULD MEAN THAT THE UPDATE OF THE B
1 UFFER
1
1 ; TAKES MORE THAN 46000 microsec!
1
1 ; (at 33 Mhz one cycle = .03 microsec so 4600 mi
1 crosec = 1.5 million cycle)
3425 E8 FFFFFB32 call ContinueSample
342A 80 3D 00002559 R waitcontinue: cmp byte ptr[FlagPause], 0
00
3431 75 F7 jne short waitcontinue
ret
3433 5F * pop edi
3434 5E * pop esi
3435 C3 * ret 00000h
3436 RestoreStateSample ENDP
;-----------------------------------------------
-----------------------------
;-----------------------------------------------
-----------------------------
ifdef MWSS
ResetCard PROC USES EBX
mov ax, word ptr[PlayRate]
cmp ax, 44100
jae short Freq44
lea edx, MWSSFreq
SearchFreq: cmp ax, word ptr[edx]
jb short FoundFreq
add edx, 4
jmp short SearchFreq
Freq44:
mov ax, 44100
mov cl, 0Bh
jmp short WBack
FoundFreq:
mov ax, word ptr[edx]
; closest faster speed
mov cl, byte ptr[edx+2]
; clock select
WBack:
mov word ptr[PlayRate], ax
or cl, 01010000b
; 16 bit linear, Stereo
mov edx, [IRQ_number]
; IRQ
mov al, [MWSSIrq+edx]
mov edx, [DMA_number]
; DMA
or al, [MWSSDma+edx]
mov dx, word ptr[BASE_ADDR]
add dl, 3
; offset 3
out dx, al
; program IRQ & DMA
inc dl
; offset 4
mov al, 6
; left vol
out dx, al
inc dl
; offset 5
mov al, 80h
; mute
out dx, al
dec dl
; offset 4
mov al, 7
; right vol
out dx, al
inc dl
; offset 5
mov al, 80h
; mute
out dx, al
dec dl
; offset 4
mov al, 13
; digital mix
out dx, al
inc dl
; offset 5
xor al, al
; mute
out dx, al
dec dl
; offset 4
mov al, 2
; left aux1
out dx, al
inc dl
; offset 5
mov al, 80h
; mute
out dx, al
dec dl
; offset 4
mov al, 3
; right aux1
out dx, al
inc dl
; offset 5
mov al, 80h
; mute
out dx, al
dec dl
; offset 4
mov al, 4
; left aux2
out dx, al
inc dl
; offset 5
mov al, 80h
; mute
out dx, al
dec dl
; offset 4
mov al, 5
; right aux2
out dx, al
inc dl
; offset 5
mov al, 80h
; mute
out dx, al
dec dl
; offset 4
mov al, 49h
; enter MCE, Interface Ctrl
out dx, al
inc dl
; offset 5
mov al, 08h
; auto-calibrate
out dx, al
dec dl
; offset 4
mov al, 48h
; MCE, Interface Ctrl
out dx, al
inc dl
; offset 5
mov al, cl
; 16 bit linear, stereo, speed
out dx, al
dec dl
; offset 4
wait_init: in al, dx
and al, 80h
jnz wait_init
xor al, al
out dx, al
; clear MCE
xor bx, bx
; at least 6 millisec.
wait0: in al, dx
dec bx
jnz short wait0
wait_cal: mov al, 0Bh
; Test & Init Reg
out dx, al
inc dl
; offset 5
in al, dx
dec dl
; offset 4
and al, 20h
jnz wait_cal
mov al, 6
; left vol
out dx, al
inc dl
; offset 5
xor al, al
; max vol
out dx, al
dec dl
; offset 4
mov al, 7
; right vol
out dx, al
inc dl
; offset 5
xor al, al
; max vol
out dx, al
ret
ResetCard ENDP
;*----------------------------------------------
----------------------------*
CloseCard PROC
mov dx, word ptr[BASE_ADDR]
; DSP
add dl, 4
; offset 4
mov al, 0Ah
; Pin Ctrl reg
out dx, al
inc dx
; offset 5
xor al, al
; turn off interrupts
out dx, al
inc dx
; offset 6
out dx, al
; Ack outstanding interrupts
sub dl, 2
; offset 4
mov al, 9
; Interface Config reg
out dx, al
inc dx
; offset 5
xor al, al
; turn off codec DMA
out dx, al
sub dl, 2
out dx, al
; deselect IRQ and DMA
ret
CloseCard ENDP
;-----------------------------------------------
-----------------------------
AckIrq PROC
mov dx, word ptr[BASE_ADDR]
; DSP
add dl, 6
in al, dx
shr al, 1
; get int flag in C
cmc
; complement C in order to return error
if 0
out dx, al
; Ack anyway
ret
AckIrq ENDP
;-----------------------------------------------
-----------------------------
StartDMACard PROC
mov cx, BUFFER_SIZE - 1
mov dx, word ptr[BASE_ADDR]
; DSP
add dl, 6
out dx, al
; clear any pending IRQ
sub dl, 2
; offset 4
mov al, 15
; DMA Count Lower
out dx, al
inc dl
; offset 5
mov al, cl
out dx, al
dec dl
; offset 4
mov al, 14
; DMA Count Upper
out dx, al
inc dl
; offset 5
mov al, ch
out dx, al
dec dl
; offset 4
mov al, 9
; Interface config
out dx, al
inc dl
; offset 5
mov al, 00000101b
; DMA Playback
out dx, al
dec dl
; offset 4
mov al, 0Ah
; Pin Ctrl Reg
out dx, al
inc dx
; offset 5
mov al, 00000010b
; Turn on Interrupts
out dx, al
ret
StartDMACard ENDP
endif
;-----------------------------------------------
-----------------------------
;-----------------------------------------------
-----------------------------
ifdef SBLASTER
WRITE_DSP MACRO VAL
; write to DSP whithout timeout
local wait_dsp
wait_dsp: in al, dx
or al, al
js wait_dsp
mov al, VAL
out dx, al
ENDM
WRITE_MIXER MACRO REG, VAL
; write to MIXER chip
mov al, REG
out dx, al
inc dx
mov al, VAL
out dx, al
dec dx
ENDM
READ_MIXER MACRO REG
; read from MIXER chip
mov al, REG
out dx, al
inc dx
in al, dx
dec dx
ENDM
ifdef SBPRO
InitIRQ PROC
pushad
push ds
mov ax, cs:word ptr[local_DS
] ; restore DS
mov ds, ax
mov al, 20h
; allows for new int
cmp byte ptr[IRQ_number], 7
jbe short NoSecondCtrl
out 0A0h, al
NoSecondCtrl: out 20h, al
call AckIrq
jc short FinIRQ
; not a DMA IRQ
mov byte ptr[OkIRQ], 1
FinIRQ:
pop ds
popad
iretd
InitIRQ ENDP
endif
3436 ResetCard PROC
3436 81 3D 000025A4 R cmp dword ptr[PlayRate], 120
00002EE0 00
3440 73 0A jae OkRateLow
3442 C7 05 000025A4 R mov dword ptr[PlayRate], 120
00002EE0 00
344C OkRateLow:
344C 81 3D 000025A4 R cmp dword ptr[PlayRate], 220
000055F0 00
3456 76 0A jbe OkRateHigh
3458 C7 05 000025A4 R mov dword ptr[PlayRate], 220
000055F0 00
3462 OkRateHigh:
ifndef SB16
ifdef SBPRO
mov dx, 07A1h
mov ax, 2000h
; dx:ax = 128000000
else
mov dx, 0F42h
mov ax, 4000h
; dx:ax = 256000000
endif
div word ptr[PlayRate]
; divide by PlayRate
neg ax
shr ax, 8
mov cx, ax
; cl = "Magic"
push ecx
ifdef SBPRO
mov dx, 07h
mov ax, 0A120h
; dx:ax = 500000
else
mov dx, 0Fh
mov ax, 4240h
; dx:ax = 1000000
endif
neg cl
div cx
; divide by "-Magic"
mov word ptr[PlayRate], ax
; write back PlayRate
endif
3462 66| 8B 15 000025A0 R mov dx, word ptr[BASE_ADDR]
3469 80 C2 06 add dl, 6
; reset port (offset 6)
346C B0 01 mov al, 1
; write 1
346E EE out dx, al
346F B4 18 mov ah, 8 * 3
; 4 * "in al, dx" = 1 microsec on std IS
A bus (8 Mhz)
3471 EC wait_io: in al, dx
; so 8 to be sure if 16 MHz !
3472 FE CC dec ah
; kill the cat !
3474 75 FB jnz short wait_io
3476 32 C0 xor al, al
3478 EE out dx, al
; write 0
; now reset should be done..
3479 80 C2 04 add dl, 4
; offset 0Ah
347C 80 C2 04 Next: add dl, 4
; offset 0Eh
347F EC Wait_s: in al, dx
3480 0A C0 or al, al
3482 79 FB jns Wait_s
3484 80 EA 04 sub dl, 4
; offset 0Ah
3487 EC in al, dx
; read if reset terminated
3488 3C AA cmp al, RESET_TEST_CODE
; should be...
348A 75 F0 jne Next
ifdef SB16
348C 80 EA 06 sub dl, 6
; offset 04h
348F B0 80 mov al, 80h
3491 EE out dx, al
3492 66| 42 inc dx
; offset 05h
3494 33 C0 xor eax, eax
3496 EC in al, dx
3497 24 0F and al, 0Fh
; mask reserved bit
3499 66| 0F BC C0 bsf ax, ax
349D 8A 80 0000257C R mov al, byte ptr[SB16_IRQ+ea
x]
34A3 A3 000025A8 R mov dword ptr[IRQ_number], e
ax
34A8 66| 4A dec dx
; offset 04h
34AA B0 81 mov al, 81h
34AC EE out dx, al
34AD 66| 42 inc dx
; offset 05h
34AF EC in al, dx
34B0 24 EB and al, 11101011b
; mask reserved bit
ifdef SAMPLE16BIT
34B2 66| 0F BD C0 bsr ax, ax
else
bsf ax, ax
endif
34B6 A3 000025AC R mov dword ptr[DMA_number], e
ax
34BB 80 C2 07 add dl, 7
; offset 0Ch
WRITE_DSP DSP_RATE_CMD
; rate
1 local wait_dsp
1
34BE EC 1 ??000D: in al, dx
34BF 0A C0 1 or al, al
34C1 78 FB 1 js ??000D
1
34C3 B0 41 1 mov al, DSP_RATE_CMD
34C5 EE 1 out dx, al
1
34C6 66| 8B 0D 000025A4 R mov cx, word ptr[PlayRate]
WRITE_DSP ch
;
1 local wait_dsp
1
34CD EC 1 ??000E: in al, dx
34CE 0A C0 1 or al, al
34D0 78 FB 1 js ??000E
1
34D2 8A C5 1 mov al, ch
34D4 EE 1 out dx, al
1
WRITE_DSP cl
;
1 local wait_dsp
1
34D5 EC 1 ??000F: in al, dx
34D6 0A C0 1 or al, al
34D8 78 FB 1 js ??000F
1
34DA 8A C1 1 mov al, cl
34DC EE 1 out dx, al
1
else
add dl, 02h
; offset 0Ch
WRITE_DSP DSP_ONSPK_CMD
; Turn speaker on
ifdef SBPRO
mov edx, offset InitIRQ
; Temporary IRQ handler
call InstallISR
mov dx, word ptr[BASE_ADDR]
add dl, 4
; offset 4
mov al, 0Eh
; stereo switch & filter
out dx, al
inc dx
; offset 5
in al, dx
or al, 2
; enable stereo
out dx, al
mov ecx, dword ptr[DMA]
; Point to DMAx
mov dx, word ptr[ecx + MASK_
REG]
mov al, byte ptr[ecx + MASK2
] ; mask channel
out dx, al
mov dx, word ptr[ecx + FF_RE
G]
out dx, al
; flip-flop
mov dx, word ptr[ecx + COUNT
_REG]
xor al, al
out dx, al
out dx, al
mov eax, dword ptr[BUFFER_DM
A] ; start offset
mov byte ptr[eax], 80h
; write a "0" into the buffer
mov dx, word ptr[ecx + ADDX_
REG]
out dx, al
shr eax, 8
out dx, al
mov dx, word ptr[ecx + PAGE_
REG]
shr eax, 8
; page of DMA transfert
out dx, al
mov dx, word ptr[ecx + MODE_
REG]
mov al, byte ptr[ecx + VOICE
_OUT] ; output sample
out dx, al
mov dx, word ptr[ecx + MASK_
REG]
mov al, byte ptr[ecx + MASK1
] ; channel OK
out dx, al
mov dx, word ptr[BASE_ADDR]
add dl, 0Ch
; offset 0Ch
mov byte ptr[OkIRQ], 0
WRITE_DSP DSP_VO8S_CMD
WRITE_DSP 0
WRITE_DSP 0
WaitIRQ: cmp byte ptr[OkIRQ], 1
jne short WaitIRQ
sub dl, 8
; offset 4
mov al, 0Eh
; stereo switch & filter
out dx, al
inc dx
; offset 5
in al, dx
mov byte ptr[Filter], al
or al, 20h
; disable filter
out dx, al
add dl, 7
; offset 0Ch
endif
pop ecx
WRITE_DSP DSP_TIME_CMD
; "rate"
WRITE_DSP cl
; magic number !
endif
34DD C3 ret
34DE ResetCard ENDP
;*----------------------------------------------
----------------------------*
34DE CloseCard PROC
34DE 66| 8B 15 000025A0 R mov dx, word ptr[BASE_ADDR]
; point to DSP
ifdef SB16
34E5 80 C2 0C add dl, 0CH
ifdef SAMPLE16BIT
WRITE_DSP DSP_VO16S_CMD
; single-cycle 16 bit DMA
1 local wait_dsp
1
34E8 EC 1 ??0010: in al, dx
34E9 0A C0 1 or al, al
34EB 78 FB 1 js ??0010
1
34ED B0 B0 1 mov al, DSP_VO16S_CMD
34EF EE 1 out dx, al
1
ifdef STEREO
WRITE_DSP DSP_16STEREO_MODE
; 16 bit stereo
1 local wait_dsp
1
34F0 EC 1 ??0011: in al, dx
34F1 0A C0 1 or al, al
34F3 78 FB 1 js ??0011
1
34F5 B0 30 1 mov al, DSP_16STEREO_MODE
34F7 EE 1 out dx, al
1
else
WRITE_DSP DSP_16MONO_MODE
; 16 bit mono
endif
else
WRITE_DSP DSP_VO8S_4_CMD
; single-cycle 8 bit DMA
ifdef STEREO
WRITE_DSP DSP_8STEREO_MODE
; 8 bit stereo
else
WRITE_DSP DSP_8MONO_MODE
; 8 bit mono
endif
endif
WRITE_DSP 0
; length of 1 to finish
1 local wait_dsp
1
34F8 EC 1 ??0012: in al, dx
34F9 0A C0 1 or al, al
34FB 78 FB 1 js ??0012
1
34FD B0 00 1 mov al, 0
34FF EE 1 out dx, al
1
WRITE_DSP 0
1 local wait_dsp
1
3500 EC 1 ??0013: in al, dx
3501 0A C0 1 or al, al
3503 78 FB 1 js ??0013
1
3505 B0 00 1 mov al, 0
3507 EE 1 out dx, al
1
else
ifdef SBPRO
add dl, 6
; reset port (offset 6)
mov al, 1
; write 1
out dx, al
mov ah, 8 * 3
; 4 * "in al, dx" = 1 microsec on std IS
A bus (8 Mhz)
wait_io: in al, dx
; so 8 to be sure if 16 MHz !
dec ah
; kill the cat !
jnz wait_io
xor al, al
out dx, al
; write 0
; now reset should be done..
add dl, 4
; offset 0Ah
Next: add dl, 4
; offset 0Eh
Wait_s: in al, dx
or al, al
jns Wait_s
sub dl, 4
; offset 0Ah
in al, dx
; read if reset terminated
cmp al, RESET_TEST_CODE
; should be...
jne Next
sub dl, 6
; offset 4
mov al, 0Eh
out dx, al
inc dx
; offset 5
mov al, byte ptr[Filter]
; restore filter
out dx, al
dec dx
mov al, 0Eh
out dx, al
inc dx
; offset 5
in al, dx
and al, 11111101b
; turn off stereo
out dx, al
add dl, 7
; offset 0Ch
WRITE_DSP DSP_OFFSPK_CMD
; Turn speaker off
else
add dl, 0CH
WRITE_DSP DSP_OFFSPK_CMD
; Turn speaker off
WRITE_DSP DSP_VO8S_CMD
; single-cycle 8 bit DMA
WRITE_DSP 0
; length of 1 to finish
WRITE_DSP 0
endif
endif
3508 C3 ret
3509 CloseCard ENDP
;-----------------------------------------------
-----------------------------
3509 AckIrq PROC
3509 66| 8B 15 000025A0 R mov dx, word ptr[BASE_ADDR]
; DSP IRQ ACK
ifdef SB16
3510 80 C2 04 add dl, 4
; offset 4
3513 B0 82 mov al, 82h
3515 EE out dx, al
3516 66| 42 inc dx
; offset 5
3518 EC in al, dx
ifdef SAMPLE16BIT
3519 24 02 and al, 2
351B 74 05 jz NoDMAIRQ
351D 80 C2 0A add dl, 10
; offset Fh
else
and al, 1
jz NoDMAIRQ
add dl, 9
; offset Eh
endif
3520 EC in al, dx
3521 C3 ret
3522 NoDMAIRQ:
3522 F9 stc
3523 C3 ret
else
add dl, 0Eh
; 8 bit Samples ACK
in al, dx
ret
endif
3524 AckIrq ENDP
;-----------------------------------------------
-----------------------------
3524 StartDMACard PROC
3524 66| 8B 15 000025A0 R mov dx, word ptr[BASE_ADDR]
; DSP
352B 80 C2 0C add dl, 0Ch
ifdef STEREO
352E 66| B9 07FF mov cx, BUFFER_SIZE * 2 - 1
; half-buffer size - 1 for DMA
else
mov cx, BUFFER_SIZE - 1
; half-buffer size - 1 for DMA
endif
ifdef SB16
ifdef SAMPLE16BIT
WRITE_DSP DSP_VO16_CMD
; auto-init 16 bit DMA
1 local wait_dsp
1
3532 EC 1 ??0014: in al, dx
3533 0A C0 1 or al, al
3535 78 FB 1 js ??0014
1
3537 B0 B6 1 mov al, DSP_VO16_CMD
3539 EE 1 out dx, al
1
ifdef STEREO
WRITE_DSP DSP_16STEREO_MODE
; 16 bit stereo
1 local wait_dsp
1
353A EC 1 ??0015: in al, dx
353B 0A C0 1 or al, al
353D 78 FB 1 js ??0015
1
353F B0 30 1 mov al, DSP_16STEREO_MODE
3541 EE 1 out dx, al
1
else
WRITE_DSP DSP_16MONO_MODE
; 16 bit mono
endif
else
WRITE_DSP DSP_VO8_4_CMD
; auto-init 8 bit DMA
ifdef STEREO
WRITE_DSP DSP_8STEREO_MODE
; 8 bit stereo
else
WRITE_DSP DSP_8MONO_MODE
; 8 bit mono
endif
endif
WRITE_DSP cl
1 local wait_dsp
1
3542 EC 1 ??0016: in al, dx
3543 0A C0 1 or al, al
3545 78 FB 1 js ??0016
1
3547 8A C1 1 mov al, cl
3549 EE 1 out dx, al
1
WRITE_DSP ch
1 local wait_dsp
1
354A EC 1 ??0017: in al, dx
354B 0A C0 1 or al, al
354D 78 FB 1 js ??0017
1
354F 8A C5 1 mov al, ch
3551 EE 1 out dx, al
1
elseifdef SBLASTER1
WRITE_DSP DSP_VO8S_CMD
; single-cycle 8 bit DMA
WRITE_DSP cl
WRITE_DSP ch
else
WRITE_DSP DSP_BSIZE_CMD
; Set block size
WRITE_DSP cl
WRITE_DSP ch
ifdef SBPRO
WRITE_DSP DSP_VO8H_CMD
; auto-init 8 bit high-speed DMA
else
WRITE_DSP DSP_VO8_CMD
; auto-init 8 bit DMA
endif
endif
3552 C3 ret
3553 StartDMACard ENDP
endif
;-----------------------------------------------
-----------------------------
;-----------------------------------------------
-----------------------------
ifdef GOLD
SELECT_MIXER MACRO
local wait
mov al, 0FFh
out dx, al
out dx, al
wait: in al, dx
and al, 11000000b
jnz wait
ENDM
LEAVE_MIXER MACRO
local wait
wait: in al, dx
and al, 11000000b
jnz wait
mov al, 0FEh
out dx, al
out dx, al
ENDM
WRITE_MIXER MACRO PORT, VAL
local wait1, wait2
mov al, PORT
out dx, al
wait1: in al, dx
and al, 11000000b
jnz wait1
inc dx
mov al, VAL
out dx, al
dec dx
wait2: in al, dx
and al, 11000000b
jnz wait2
ENDM
READ_MIXER MACRO PORT
local wait1, wait2
mov al, PORT
out dx, al
wait1: in al, dx
and al, 11000000b
jnz wait1
inc dx
in al, dx
dec dx
mov ah, al
wait2: in al, dx
and al, 11000000b
jnz wait2
mov al, ah
ENDM
WRITE_MMA0 MACRO PORT, VAL
mov al, PORT
out dx, al
inc dx
mov al, VAL
out dx, al
dec dx
in al, dx
in al, dx
ENDM
READ_MMA0 MACRO PORT
mov al, PORT
out dx, al
inc dx
in al, dx
dec dx
mov ah, al
in al, dx
in al, dx
mov al, ah
ENDM
WRITE_MMA1 MACRO PORT, VAL
mov al, PORT
out dx, al
add dx, 3
mov al, VAL
out dx, al
sub dx, 3
in al, dx
in al, dx
ENDM
READ_MMA1 MACRO PORT
mov al, PORT
out dx, al
add dx, 3
in al, dx
sub dx, 3
mov ah, al
in al, dx
in al, dx
mov al, ah
ENDM
;*----------------------------------------------
----------------------------*
ResetCard PROC
mov dx, word ptr[BASE_ADDR]
add dx, 2
; MIXER
SELECT_MIXER
WRITE_MIXER 8h, 11001110b
; STEREO mode
WRITE_MIXER 11h, 00001000b
; filter on output, no mic input, no PC-
speaker input
READ_MIXER 13h
mov byte ptr[Mixer_13], al
mov cl, al
and eax, 3
lea ebx, Gold_IRQ
mov al, byte ptr[ebx+eax]
mov dword ptr[IRQ_number], e
ax
mov al, cl
shr al, 4
and al, 3
mov dword ptr[DMA_number], e
ax
or cl, 10001000b
; enable DMA0, enable IRQ
WRITE_MIXER 13h, cl
READ_MIXER 14h
mov byte ptr[Mixer_14], al
mov cl, al
and cl, 01111111b
WRITE_MIXER 14h, cl
LEAVE_MIXER
add dx, 2
; MMA
WRITE_MMA0 9, 80h
; reset channel 0
WRITE_MMA1 9, 80h
; reset channel 1
mov cx, 4
fillFIFO0: WRITE_MMA0 0Bh, 0
dec cx
jnz FillFIFO0
mov cx, 4
fillFIFO1: WRITE_MMA1 0Bh, 0
dec cx
jnz FillFIFO1
WRITE_MMA0 9, 00101110b
; 22.05 Khz, PCM, L, Play
WRITE_MMA1 9, 01001110b
; 22.05 Khz, PCM, R, Play
mov word ptr[PlayRate], 2205
0 ; 22.05 Khz
WRITE_MMA0 0Ch, 11000101b
; Interleave, 16 bit, 96 byte FIFO, DMA
WRITE_MMA1 0Ch, 01000011b
; 16 bit, no FIFO (use other channel), D
MA
WRITE_MMA0 0Ah, 0FFh
; Maximum volume (volume will be control
led by mixer)
WRITE_MMA1 0Ah, 0FFh
mov cx, 100
fillFIFO: WRITE_MMA0 0Bh, 0
dec cx
jnz FillFIFO
ret
ResetCard ENDP
;*----------------------------------------------
----------------------------*
CloseCard PROC
mov dx, word ptr[BASE_ADDR]
add dx, 4
; MMA
WRITE_MMA1 0Ch, 01000010b
; 16 bit, no FIFO, no DMA
WRITE_MMA0 0Ch, 01000010b
; 16 bit, no FIFO, no DMA
WRITE_MMA0 9, 80h
; reset channel 0
WRITE_MMA1 9, 80h
; reset channel 1
sub dx, 2
; MIXER
SELECT_MIXER
WRITE_MIXER 13h, Mixer_13
WRITE_MIXER 14h, Mixer_14
LEAVE_MIXER
ret
CloseCard ENDP
;-----------------------------------------------
-----------------------------
AckIrq PROC
mov dx, word ptr[BASE_ADDR]
add dx, 4
; MMA
in al, dx
and al, 1
jz short noDMA
mov ebx, dword ptr[DMA]
; Point to DMAx
mov dx, word ptr[ebx + FF_RE
G]
out dx, al
; flip-flop
mov dx, word ptr[ebx + COUNT
_REG]
in al, dx
mov ah, al
in al, dx
xchg al, ah
or ax, ax
jz short OkDMA
inc ax
jnz short noDMA
OkDMA:
clc
ret
NoDMA:
stc
ret
AckIrq ENDP
;-----------------------------------------------
-----------------------------
StartDMACard PROC
mov dx, word ptr[BASE_ADDR]
add dx, 4
; MMA
WRITE_MMA0 9, 00101111b
; 22.05 Khz, PCM, L, Play, GO
ret
StartDMACard ENDP
endif
;-----------------------------------------------
-----------------------------
;-----------------------------------------------
-----------------------------
ifdef GUS
extrn Nolanguage resetcard:PROC
;*----------------------------------------------
----------------------------*
extrn Nolanguage CloseCard:PROC
;*----------------------------------------------
----------------------------*
extrn Nolanguage StartDMACard:PROC
endif
;-----------------------------------------------
-----------------------------
;-----------------------------------------------
-----------------------------
END
Microsoft (R) Macro Assembler Version 6.1a 09/22/94 16:09:36
wave_a.asm Symbols 2 - 1
Macros:
N a m e Type
CRIT_SECT . . . . . . . . . . . Proc
END_CRIT_SECT . . . . . . . . . Proc
GET_PROT_VECT . . . . . . . . . Proc
GET_REAL_VECT . . . . . . . . . Proc
MIDPOINT . . . . . . . . . . . . Proc
READ_MIXER . . . . . . . . . . . Proc
SET_PROT_VECT . . . . . . . . . Proc
SET_REAL_VECT . . . . . . . . . Proc
WRITE_DSP . . . . . . . . . . . Proc
WRITE_MIXER . . . . . . . . . . Proc
lve . . . . . . . . . . . . . . Proc
setalc . . . . . . . . . . . . . Proc
Segments and Groups:
N a m e Size Length Align Combine Class
FLAT . . . . . . . . . . . . . . GROUP
_DATA . . . . . . . . . . . . . 32 Bit 0000 DWord Public 'DATA'
_TEXT . . . . . . . . . . . . . 32 Bit 3553 DWord Public 'CODE'
Procedures, parameters and locals:
N a m e Type Value Attr
AckIrq . . . . . . . . . . . . . P Near 3509 _TEXT Length= 001B Pub
lic SYSCALL
NoDMAIRQ . . . . . . . . . . . L Near 3522 _TEXT
AskVars . . . . . . . . . . . . P Near 31F4 _TEXT Length= 0019 Pub
lic SYSCALL
pListNames . . . . . . . . . . DWord bp + 0008
pListVars . . . . . . . . . . DWord bp + 000C
ChangeVolume . . . . . . . . . . P Near 2CBE _TEXT Length= 0063 Pub
lic SYSCALL
LongHandle . . . . . . . . . . DWord bp + 0008
volleft . . . . . . . . . . . DWord bp + 000C
volright . . . . . . . . . . . DWord bp + 0010
notfound . . . . . . . . . . . L Near 2CEA _TEXT
??0005 . . . . . . . . . . . . L Near 2D1F _TEXT
ClearCard . . . . . . . . . . . P Near 3177 _TEXT Length= 007D Pub
lic SYSCALL
Ok21 . . . . . . . . . . . . . L Near 3198 _TEXT
nobi . . . . . . . . . . . . . L Near 31EF _TEXT
CloseCard . . . . . . . . . . . P Near 34DE _TEXT Length= 002B Pub
lic SYSCALL
??0010 . . . . . . . . . . . . L Near 34E8 _TEXT
??0011 . . . . . . . . . . . . L Near 34F0 _TEXT
??0012 . . . . . . . . . . . . L Near 34F8 _TEXT
??0013 . . . . . . . . . . . . L Near 3500 _TEXT
ContinueSample . . . . . . . . . P Near 2F5C _TEXT Length= 0051 Pub
lic SYSCALL
??0008 . . . . . . . . . . . . L Near 2FAC _TEXT
CopyList . . . . . . . . . . . . P Near 32F2 _TEXT Length= 0015 Pub
lic SYSCALL
keepcopying . . . . . . . . . L Near 32F2 _TEXT
endcopy . . . . . . . . . . . L Near 3300 _TEXT
GetBufferSize . . . . . . . . . P Near 320D _TEXT Length= 0006 Pub
lic SYSCALL
GetDMAAddr . . . . . . . . . . . P Near 25F3 _TEXT Length= 0035 Pub
lic SYSCALL
noadjust . . . . . . . . . . . L Near 2626 _TEXT
GetSnapSample . . . . . . . . . P Near 3268 _TEXT Length= 008A Pub
lic SYSCALL
pList . . . . . . . . . . . . DWord bp + 0008
keeplooking . . . . . . . . . L Near 328C _TEXT
exit . . . . . . . . . . . . . L Near 32AC _TEXT
??000A . . . . . . . . . . . . L Near 32E7 _TEXT
GiveSampleInfo0 . . . . . . . . P Near 3213 _TEXT Length= 0055 Pub
lic SYSCALL
LongHandle . . . . . . . . . . DWord bp + 0008
Info . . . . . . . . . . . . . DWord bp + 000C
notfound . . . . . . . . . . . L Near 3231 _TEXT
??0009 . . . . . . . . . . . . L Near 3266 _TEXT
InitCard . . . . . . . . . . . . P Near 2FED _TEXT Length= 018A Pub
lic SYSCALL
Buffer . . . . . . . . . . . . DWord bp + 0008
ErrorDMA . . . . . . . . . . . L Near 3021 _TEXT
DMAFound . . . . . . . . . . . L Near 3029 _TEXT
Second . . . . . . . . . . . . L Near 303B _TEXT
gotvect . . . . . . . . . . . L Near 303D _TEXT
nobi . . . . . . . . . . . . . L Near 308F _TEXT
Ok21 . . . . . . . . . . . . . L Near 30A4 _TEXT
NoLengthAdj . . . . . . . . . L Near 310C _TEXT
NoAddrAdj . . . . . . . . . . L Near 314A _TEXT
InstallISR . . . . . . . . . . . P Near 2FAD _TEXT Length= 0040 Pub
lic SYSCALL
nobi . . . . . . . . . . . . . L Near 2FEC _TEXT
MixSample . . . . . . . . . . . P Near 2D21 _TEXT Length= 01E6 Pub
lic SYSCALL
thehandle . . . . . . . . . . DWord bp + 0008
pitchbend . . . . . . . . . . DWord bp + 000C
therepeat . . . . . . . . . . DWord bp + 0010
plug . . . . . . . . . . . . . DWord bp + 0014
volleft . . . . . . . . . . . DWord bp + 0018
volright . . . . . . . . . . . DWord bp + 001C
buffer . . . . . . . . . . . . DWord bp + 0020
okfilter . . . . . . . . . . . L Near 2D36 _TEXT
okincr . . . . . . . . . . . . L Near 2DA7 _TEXT
next . . . . . . . . . . . . . L Near 2DD8 _TEXT
ok_handle . . . . . . . . . . L Near 2E05 _TEXT
keeplooking0 . . . . . . . . . L Near 2E27 _TEXT
SearchSonList . . . . . . . . L Near 2E36 _TEXT
keeplooking1 . . . . . . . . . L Near 2E3C _TEXT
exit . . . . . . . . . . . . . L Near 2E4B _TEXT
found . . . . . . . . . . . . L Near 2E4F _TEXT
NoPlug . . . . . . . . . . . . L Near 2E52 _TEXT
SearchEnd . . . . . . . . . . L Near 2E57 _TEXT
endcritical . . . . . . . . . L Near 2EC5 _TEXT
??0006 . . . . . . . . . . . . L Near 2EFA _TEXT
typeunknown . . . . . . . . . L Near 2EFF _TEXT
NewIRQ . . . . . . . . . . . . . P Near 2628 _TEXT Length= 0072 Pub
lic SYSCALL
NoSecondCtrl . . . . . . . . . L Near 2643 _TEXT
FinIRQ . . . . . . . . . . . . L Near 2696 _TEXT
PauseSample . . . . . . . . . . P Near 2F07 _TEXT Length= 0055 Pub
lic SYSCALL
??0007 . . . . . . . . . . . . L Near 2F5B _TEXT
Redirector . . . . . . . . . . . P Near 25F0 _TEXT Length= 0003 Pub
lic SYSCALL
ResetCard . . . . . . . . . . . P Near 3436 _TEXT Length= 00A8 Pub
lic SYSCALL
OkRateLow . . . . . . . . . . L Near 344C _TEXT
OkRateHigh . . . . . . . . . . L Near 3462 _TEXT
wait_io . . . . . . . . . . . L Near 3471 _TEXT
Next . . . . . . . . . . . . . L Near 347C _TEXT
Wait_s . . . . . . . . . . . . L Near 347F _TEXT
??000D . . . . . . . . . . . . L Near 34BE _TEXT
??000E . . . . . . . . . . . . L Near 34CD _TEXT
??000F . . . . . . . . . . . . L Near 34D5 _TEXT
RestoreStateSample . . . . . . . P Near 33A1 _TEXT Length= 0095 Pub
lic SYSCALL
waitpause . . . . . . . . . . L Near 33A8 _TEXT
??000C . . . . . . . . . . . . L Near 3425 _TEXT
waitcontinue . . . . . . . . . L Near 342A _TEXT
SAveStateSample . . . . . . . . P Near 3307 _TEXT Length= 009A Pub
lic SYSCALL
waitpause . . . . . . . . . . L Near 330E _TEXT
??000B . . . . . . . . . . . . L Near 339E _TEXT
SampleInList . . . . . . . . . . P Near 2C27 _TEXT Length= 0073 Pub
lic SYSCALL
thehandle . . . . . . . . . . DWord bp + 0008
keeplooking . . . . . . . . . L Near 2C44 _TEXT
exit . . . . . . . . . . . . . L Near 2C54 _TEXT
found . . . . . . . . . . . . L Near 2C62 _TEXT
??0004 . . . . . . . . . . . . L Near 2C97 _TEXT
SearchLongHandle . . . . . . . . P Near 2C9A _TEXT Length= 0024 Pub
lic SYSCALL
keeplooking . . . . . . . . . L Near 2CA6 _TEXT
exit . . . . . . . . . . . . . L Near 2CB5 _TEXT
found . . . . . . . . . . . . L Near 2CBD _TEXT
ShiftSamples . . . . . . . . . . P Near 2B2D _TEXT Length= 008C Pub
lic SYSCALL
DestAddr . . . . . . . . . . . DWord bp + 0008
SrcAddr . . . . . . . . . . . DWord bp + 000C
SizeByte . . . . . . . . . . . DWord bp + 0010
keeplooking . . . . . . . . . L Near 2B5F _TEXT
notfound . . . . . . . . . . . L Near 2B6E _TEXT
exit . . . . . . . . . . . . . L Near 2B73 _TEXT
??0002 . . . . . . . . . . . . L Near 2BB4 _TEXT
StartDMACard . . . . . . . . . . P Near 3524 _TEXT Length= 002F Pub
lic SYSCALL
??0014 . . . . . . . . . . . . L Near 3532 _TEXT
??0015 . . . . . . . . . . . . L Near 353A _TEXT
??0016 . . . . . . . . . . . . L Near 3542 _TEXT
??0017 . . . . . . . . . . . . L Near 354A _TEXT
StopOneSampleLong . . . . . . . P Near 2BB9 _TEXT Length= 006E Pub
lic SYSCALL
LongHandle . . . . . . . . . . DWord bp + 0008
LoopRemove . . . . . . . . . . L Near 2BDA _TEXT
EndRemove . . . . . . . . . . L Near 2BE8 _TEXT
notfound . . . . . . . . . . . L Near 2BEE _TEXT
??0003 . . . . . . . . . . . . L Near 2C23 _TEXT
StopOneSample . . . . . . . . . P Near 2A91 _TEXT Length= 009C Pub
lic SYSCALL
thehandle . . . . . . . . . . DWord bp + 0008
keeplooking . . . . . . . . . L Near 2AAD _TEXT
exit . . . . . . . . . . . . . L Near 2ABD _TEXT
??0001 . . . . . . . . . . . . L Near 2B03 _TEXT
found . . . . . . . . . . . . L Near 2B08 _TEXT
noson . . . . . . . . . . . . L Near 2B10 _TEXT
LoopRemove . . . . . . . . . . L Near 2B17 _TEXT
EndRemove . . . . . . . . . . L Near 2B25 _TEXT
StopSample . . . . . . . . . . . P Near 2A31 _TEXT Length= 0060 Pub
lic SYSCALL
??0000 . . . . . . . . . . . . L Near 2A90 _TEXT
UpdateBuffer . . . . . . . . . . P Near 269A _TEXT Length= 0397 Pub
lic SYSCALL
dopause . . . . . . . . . . . L Near 26BE _TEXT
exit . . . . . . . . . . . . . L Near 26C9 _TEXT
loopfadein . . . . . . . . . . L Near 26EC _TEXT
fadeout . . . . . . . . . . . L Near 2711 _TEXT
loopfadeout . . . . . . . . . L Near 2714 _TEXT
endfade . . . . . . . . . . . L Near 2735 _TEXT
reallyexit . . . . . . . . . . L Near 2741 _TEXT
FinishFill0 . . . . . . . . . L Near 2742 _TEXT
process_1st . . . . . . . . . L Near 274B _TEXT
Longer0 . . . . . . . . . . . L Near 276C _TEXT
NotLonger0 . . . . . . . . . . L Near 277F _TEXT
StartMix0 . . . . . . . . . . L Near 2787 _TEXT
start0 . . . . . . . . . . . . L Near 27C6 _TEXT
next0 . . . . . . . . . . . . L Near 27CF _TEXT
nofilter . . . . . . . . . . . L Near 282C _TEXT
start01 . . . . . . . . . . . L Near 2832 _TEXT
next01 . . . . . . . . . . . . L Near 2844 _TEXT
end16 . . . . . . . . . . . . L Near 2857 _TEXT
noadjust0 . . . . . . . . . . L Near 285A _TEXT
KeepLooking0 . . . . . . . . . L Near 287E _TEXT
NoSon0 . . . . . . . . . . . . L Near 288D _TEXT
LoopRemove0 . . . . . . . . . L Near 289D _TEXT
EndRemove0 . . . . . . . . . . L Near 28AB _TEXT
FoundSon0 . . . . . . . . . . L Near 28B3 _TEXT
LoopSon0 . . . . . . . . . . . L Near 28C7 _TEXT
EndSon0 . . . . . . . . . . . L Near 28D5 _TEXT
Reset0 . . . . . . . . . . . . L Near 28E5 _TEXT
NextSample . . . . . . . . . . L Near 28F9 _TEXT
FinishFill . . . . . . . . . . L Near 290D _TEXT
Longer . . . . . . . . . . . . L Near 2937 _TEXT
NotLonger . . . . . . . . . . L Near 294A _TEXT
StartMix00 . . . . . . . . . . L Near 2952 _TEXT
start00 . . . . . . . . . . . L Near 2963 _TEXT
next00 . . . . . . . . . . . . L Near 2975 _TEXT
noadjust . . . . . . . . . . . L Near 298B _TEXT
KeepLooking . . . . . . . . . L Near 29AB _TEXT
NoSon . . . . . . . . . . . . L Near 29BA _TEXT
LoopRemove . . . . . . . . . . L Near 29C1 _TEXT
EndRemove . . . . . . . . . . L Near 29CF _TEXT
FoundSon . . . . . . . . . . . L Near 29DA _TEXT
LoopSon . . . . . . . . . . . L Near 29EE _TEXT
EndSon . . . . . . . . . . . . L Near 29FC _TEXT
Finish . . . . . . . . . . . . L Near 2A0C _TEXT
Finish2 . . . . . . . . . . . L Near 2A15 _TEXT
Reset . . . . . . . . . . . . L Near 2A1D _TEXT
Symbols:
N a m e Type Value Attr
@CodeSize . . . . . . . . . . . Number 0000h
@DataSize . . . . . . . . . . . Number 0000h
@Interface . . . . . . . . . . . Number 0002h
@Model . . . . . . . . . . . . . Number 0007h
@code . . . . . . . . . . . . . Text _TEXT
@data . . . . . . . . . . . . . Text FLAT
@fardata? . . . . . . . . . . . Text FLAT
@fardata . . . . . . . . . . . . Text FLAT
@stack . . . . . . . . . . . . . Text FLAT
ADDRESS . . . . . . . . . . . . Number 0000h
ADDX_REG . . . . . . . . . . . . Number 0004h
AUTO_DMA . . . . . . . . . . . . Number 0001h
AUTO_OUT . . . . . . . . . . . . Number 0001h
BASE_ADDR . . . . . . . . . . . DWord 25A0 _TEXT
BUFFER_DMA . . . . . . . . . . . DWord 25E4 _TEXT Public SYSCALL
BUFFER_SIZE . . . . . . . . . . Number 0400h
BackCurrentList . . . . . . . . Byte 1298 _TEXT
BackSonList . . . . . . . . . . Byte 1B30 _TEXT
BufferHalf . . . . . . . . . . . DWord 25B4 _TEXT Public SYSCALL
COUNT_REG . . . . . . . . . . . Number 0006h
CURRENT_BUFFER . . . . . . . . . DWord 25EC _TEXT Public SYSCALL
C_REPEAT . . . . . . . . . . . . Number 000Ch
Critical . . . . . . . . . . . . Word 2580 _TEXT
CurrentList . . . . . . . . . . Byte 0168 _TEXT
DLENGTH . . . . . . . . . . . . Number 001Ch
DMA0_ADDX_REG . . . . . . . . . Word 00EC _TEXT
DMA0_AUTO_OUT . . . . . . . . . Byte 00E9 _TEXT
DMA0_COUNT_REG . . . . . . . . . Word 00EE _TEXT
DMA0_FF_REG . . . . . . . . . . Word 00F4 _TEXT
DMA0_MASK1 . . . . . . . . . . . Byte 00EA _TEXT
DMA0_MASK2 . . . . . . . . . . . Byte 00EB _TEXT
DMA0_MASK_REG . . . . . . . . . Word 00F0 _TEXT
DMA0_MODE_REG . . . . . . . . . Word 00F2 _TEXT
DMA0_PAGE_REG . . . . . . . . . Word 00F6 _TEXT
DMA0_VOICE_OUT . . . . . . . . . Byte 00E8 _TEXT
DMA0 . . . . . . . . . . . . . . Number 00E8h
DMA1_ADDX_REG . . . . . . . . . Word 00FC _TEXT
DMA1_AUTO_OUT . . . . . . . . . Byte 00F9 _TEXT
DMA1_COUNT_REG . . . . . . . . . Word 00FE _TEXT
DMA1_FF_REG . . . . . . . . . . Word 0104 _TEXT
DMA1_MASK1 . . . . . . . . . . . Byte 00FA _TEXT
DMA1_MASK2 . . . . . . . . . . . Byte 00FB _TEXT
DMA1_MASK_REG . . . . . . . . . Word 0100 _TEXT
DMA1_MODE_REG . . . . . . . . . Word 0102 _TEXT
DMA1_PAGE_REG . . . . . . . . . Word 0106 _TEXT
DMA1_VOICE_OUT . . . . . . . . . Byte 00F8 _TEXT
DMA1 . . . . . . . . . . . . . . Number 00F8h
DMA3_ADDX_REG . . . . . . . . . Word 010C _TEXT
DMA3_AUTO_OUT . . . . . . . . . Byte 0109 _TEXT
DMA3_COUNT_REG . . . . . . . . . Word 010E _TEXT
DMA3_FF_REG . . . . . . . . . . Word 0114 _TEXT
DMA3_MASK1 . . . . . . . . . . . Byte 010A _TEXT
DMA3_MASK2 . . . . . . . . . . . Byte 010B _TEXT
DMA3_MASK_REG . . . . . . . . . Word 0110 _TEXT
DMA3_MODE_REG . . . . . . . . . Word 0112 _TEXT
DMA3_PAGE_REG . . . . . . . . . Word 0116 _TEXT
DMA3_VOICE_OUT . . . . . . . . . Byte 0108 _TEXT
DMA3 . . . . . . . . . . . . . . Number 0108h
DMA5_ADDX_REG . . . . . . . . . Word 011C _TEXT
DMA5_AUTO_OUT . . . . . . . . . Byte 0119 _TEXT
DMA5_COUNT_REG . . . . . . . . . Word 011E _TEXT
DMA5_FF_REG . . . . . . . . . . Word 0124 _TEXT
DMA5_MASK1 . . . . . . . . . . . Byte 011A _TEXT
DMA5_MASK2 . . . . . . . . . . . Byte 011B _TEXT
DMA5_MASK_REG . . . . . . . . . Word 0120 _TEXT
DMA5_MODE_REG . . . . . . . . . Word 0122 _TEXT
DMA5_PAGE_REG . . . . . . . . . Word 0126 _TEXT
DMA5_VOICE_OUT . . . . . . . . . Byte 0118 _TEXT
DMA5 . . . . . . . . . . . . . . Number 0118h
DMA6_ADDX_REG . . . . . . . . . Word 012C _TEXT
DMA6_AUTO_OUT . . . . . . . . . Byte 0129 _TEXT
DMA6_COUNT_REG . . . . . . . . . Word 012E _TEXT
DMA6_FF_REG . . . . . . . . . . Word 0134 _TEXT
DMA6_MASK1 . . . . . . . . . . . Byte 012A _TEXT
DMA6_MASK2 . . . . . . . . . . . Byte 012B _TEXT
DMA6_MASK_REG . . . . . . . . . Word 0130 _TEXT
DMA6_MODE_REG . . . . . . . . . Word 0132 _TEXT
DMA6_PAGE_REG . . . . . . . . . Word 0136 _TEXT
DMA6_VOICE_OUT . . . . . . . . . Byte 0128 _TEXT
DMA6 . . . . . . . . . . . . . . Number 0128h
DMA7_ADDX_REG . . . . . . . . . Word 013C _TEXT
DMA7_AUTO_OUT . . . . . . . . . Byte 0139 _TEXT
DMA7_COUNT_REG . . . . . . . . . Word 013E _TEXT
DMA7_FF_REG . . . . . . . . . . Word 0144 _TEXT
DMA7_MASK1 . . . . . . . . . . . Byte 013A _TEXT
DMA7_MASK2 . . . . . . . . . . . Byte 013B _TEXT
DMA7_MASK_REG . . . . . . . . . Word 0140 _TEXT
DMA7_MODE_REG . . . . . . . . . Word 0142 _TEXT
DMA7_PAGE_REG . . . . . . . . . Word 0146 _TEXT
DMA7_VOICE_OUT . . . . . . . . . Byte 0138 _TEXT
DMA7 . . . . . . . . . . . . . . Number 0138h
DMA_number . . . . . . . . . . . DWord 25AC _TEXT
DMA . . . . . . . . . . . . . . DWord 25C0 _TEXT
DSP_16MONO_MODE . . . . . . . . Number 0010h
DSP_16STEREO_MODE . . . . . . . Number 0030h
DSP_8MONO_MODE . . . . . . . . . Number 0000h
DSP_8STEREO_MODE . . . . . . . . Number 0020h
DSP_BSIZE_CMD . . . . . . . . . Number 0048h
DSP_OFFSPK_CMD . . . . . . . . . Number 00D3h
DSP_ONSPK_CMD . . . . . . . . . Number 00D1h
DSP_RATE_CMD . . . . . . . . . . Number 0041h
DSP_TIME_CMD . . . . . . . . . . Number 0040h
DSP_VO16S_CMD . . . . . . . . . Number 00B0h
DSP_VO16_CMD . . . . . . . . . . Number 00B6h
DSP_VO8H_CMD . . . . . . . . . . Number 0090h
DSP_VO8S_4_CMD . . . . . . . . . Number 00C0h
DSP_VO8S_CMD . . . . . . . . . . Number 0014h
DSP_VO8_4_CMD . . . . . . . . . Number 00C6h
DSP_VO8_CMD . . . . . . . . . . Number 001Ch
DoUpdate . . . . . . . . . . . . Word 2582 _TEXT
Empty . . . . . . . . . . . . . Byte 257B _TEXT
FF_REG . . . . . . . . . . . . . Number 000Ch
FRACT . . . . . . . . . . . . . Number 0004h
FlagPause . . . . . . . . . . . Byte 2559 _TEXT
HANDLE . . . . . . . . . . . . . Number 0014h
INCR . . . . . . . . . . . . . . Number 000Eh
INFO0 . . . . . . . . . . . . . Number 0024h
INTERPOL . . . . . . . . . . . . Number 0028h
INT_number . . . . . . . . . . . DWord 25B0 _TEXT
IRQ_mask . . . . . . . . . . . . Byte 2558 _TEXT
IRQ_number . . . . . . . . . . . DWord 25A8 _TEXT
LAST_SAMPLE . . . . . . . . . . Number 0029h
LEFT . . . . . . . . . . . . . . Number 0008h
LIST_SIZE . . . . . . . . . . . Number 0032h
ListFuncs . . . . . . . . . . . DWord 00A0 _TEXT
ListNames . . . . . . . . . . . DWord 2594 _TEXT
ListVars . . . . . . . . . . . . Number 25A0h
MASK1 . . . . . . . . . . . . . Number 0002h
MASK2 . . . . . . . . . . . . . Number 0003h
MASK_REG . . . . . . . . . . . . Number 0008h
MID_BUFFER_DMA . . . . . . . . . DWord 25E8 _TEXT
MODE_REG . . . . . . . . . . . . Number 000Ah
NoLanguage . . . . . . . . . . . Text SYSCALL
Old_18_Off . . . . . . . . . . . DWord 2590 _TEXT
Old_18_Sel . . . . . . . . . . . Word 2588 _TEXT
Old_PIRQ_Off . . . . . . . . . . DWord 258C _TEXT
Old_PIRQ_Sel . . . . . . . . . . Word 2586 _TEXT
Old_RIRQ_Off . . . . . . . . . . Word 258A _TEXT
Old_RIRQ_Seg . . . . . . . . . . Word 2584 _TEXT
PAGE_REG . . . . . . . . . . . . Number 000Eh
PlayRate . . . . . . . . . . . . DWord 25A4 _TEXT Public SYSCALL
RESET_TEST_CODE . . . . . . . . Number 00AAh
SAMPLE16BIT . . . . . . . . . . Text
SB16_IRQ . . . . . . . . . . . . Byte 257C _TEXT
SB16 . . . . . . . . . . . . . . Text
SBLASTER . . . . . . . . . . . . Number 0001h
SHIFT_SAMPLE . . . . . . . . . . Number 0003h
SLONG . . . . . . . . . . . . . Number 0001h
SNAP_SIZE . . . . . . . . . . . Number 0008h
SON . . . . . . . . . . . . . . Number 0010h
SSIZE . . . . . . . . . . . . . Number 0004h
START . . . . . . . . . . . . . Number 0018h
STEREO . . . . . . . . . . . . . Text
STRUCT_SIZE . . . . . . . . . . Number 002Ch
SnapList . . . . . . . . . . . . Byte 23C8 _TEXT
SonList . . . . . . . . . . . . Byte 0A00 _TEXT
TAB_DMA . . . . . . . . . . . . DWord 0148 _TEXT
TheVolumeL . . . . . . . . . . . DWord 25D0 _TEXT
TheVolumeR . . . . . . . . . . . DWord 25CC _TEXT
VOICE_HANDLE . . . . . . . . . . Number 1234h
VOICE_OUT . . . . . . . . . . . Number 0000h
VOL_LEFT . . . . . . . . . . . . Number 0020h
VOL_RIGHT . . . . . . . . . . . Number 0022h
WaveBase . . . . . . . . . . . . Byte 255A _TEXT
WaveDMA . . . . . . . . . . . . Byte 256B _TEXT
WaveIRQ . . . . . . . . . . . . Byte 2563 _TEXT
WaveRate . . . . . . . . . . . . Byte 2573 _TEXT
backfollow . . . . . . . . . . . DWord 25BC _TEXT
backweirdcount . . . . . . . . . DWord 25C8 _TEXT
driver_start . . . . . . . . . . DWord 0000 _TEXT Public SYSCALL
follow . . . . . . . . . . . . . DWord 25B8 _TEXT
jumps . . . . . . . . . . . . . Text ;
local_DS . . . . . . . . . . . . Number 262Eh
save_1 . . . . . . . . . . . . . DWord 25D4 _TEXT
save_2 . . . . . . . . . . . . . DWord 25D8 _TEXT
save_3 . . . . . . . . . . . . . DWord 25DC _TEXT
save_4 . . . . . . . . . . . . . DWord 25E0 _TEXT
weirdcount . . . . . . . . . . . DWord 25C4 _TEXT
0 Warnings
0 Errors
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