Initial commit

LIB386/LIB_SVGA/S_PLOT.ASM

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+;----------------------------------------------------------------------------
+;				S_PLOT.ASM 386
+;			      (c) Adeline 1993
+;----------------------------------------------------------------------------
+				.386p
+				jumps
+				.model SMALL, SYSCALL
+
+				.data
+
+			include	svga.ash
+
+				.code
+
+			public	 NoLanguage	Plot
+			public	 NoLanguage	GetPlot
+
+;----------------------------------------------------------------------------
+;			Plot( x, y, coul )
+;
+Plot			proc	uses esi,\
+			XX:DWORD, YY:DWORD, CC:DWORD
+			mov	eax, XX
+			mov	esi, YY
+;----------------------
+			cmp	eax, ClipXmin
+			jl	Plot_End
+			cmp	eax, ClipXmax
+			jg	Plot_End
+			cmp	esi, ClipYmin
+			jl	Plot_End
+			cmp	esi, ClipYmax
+			jg	Plot_End
+;----------------------
+			mov	esi, TabOffLine[esi*4]
+
+			add	esi, Log
+
+			add	esi, eax
+
+			mov	al, byte ptr [CC]
+
+			mov	[esi], al
+Plot_End:
+			ret
+Plot			endp
+;----------------------------------------------------------------------------
+;			GetPlot( x, y, coul )
+;
+GetPlot                 proc	uses esi,\
+			XX:DWORD, YY:DWORD
+			mov	eax, XX
+			mov	esi, YY
+;----------------------
+			cmp	eax, ClipXmin
+			jl	GetPlot_End
+			cmp	eax, ClipXmax
+			jg	GetPlot_End
+			cmp	esi, ClipYmin
+			jl	GetPlot_End
+			cmp	esi, ClipYmax
+			jg	GetPlot_End
+;----------------------
+
+			mov	esi, TabOffLine[esi*4]
+
+			add	esi, Log
+
+			add	esi, eax
+
+			xor	eax, eax
+			mov	al, [esi]
+			ret
+GetPlot_End:
+			xor	eax, eax
+			ret
+GetPlot			endp
+;----------------------------------------------------------------------------
+;				The
+				End
+
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