void putHorizLine(int x1,int x2,int y2,int color)
{ 
	int lineoffset = y2 * (g_cscreen->pitch >> 2;
	asm
	{
		mov     ax, [g_puiScreen]  // move segment of Where to AX
		mov     es, ax       // set ES to segment of Where
		mov     di, [lineoffset]	 // set di to Y offset
		add     di, [x1]     // add the X1 offset to DI
		mov     al,   // move Col to AL
		mov     ah, al       // move Col to AH (we want 2 copies for word moving)
		mov     cx, [x2]     // move X2 to CX
		sub     cx, [x1]     // move the change in X to CX
		shr     cx, 1        // divide change in X by 2 (for word moving)
		jnc     Start        // if we have an even number of moves, go to Start
		stosb                // otherwise, move one byte more
	}


	Start: asm 
	{
		rep     stosw        // do it!
	}
}
</pre>

Quote:Original post by vNistelrooy
Are you getting compile errors? If not, use a debugger to go through the code and see what happens.
Suggestion: Unless you have a good reason to use 16-bit assembly, start using 32/64-bit assembly.

Quote:Original post by RDragon1
Why are you using assembly at all?

Quote:Original post by RDragon1
Nope