Update two pixels at once.
@@ -1722,18 +1722,22 @@ static void api_blit(tic_mem* tic, tic_scanline scanline, tic_overlap overlap, v
memset4(&out[0 * TIC80_FULLWIDTH], pal[tic->ram.vram.vars.border], TIC80_FULLWIDTH*Top);
u32* rowPtr = out + (Top*TIC80_FULLWIDTH);
- u32* colPtr = rowPtr + Left;
-
- for(s32 r = 0; r < TIC80_HEIGHT; r++, rowPtr += TIC80_FULLWIDTH, colPtr += (Left + Right))
+ for(s32 r = 0; r < TIC80_HEIGHT; r++, rowPtr += TIC80_FULLWIDTH)
{
+ u32 *colPtr = rowPtr + Left;
memset4(rowPtr, pal[tic->ram.vram.vars.border], Left);
- s32 pos = (r + tic->ram.vram.vars.offset.y + TIC80_HEIGHT) % TIC80_HEIGHT * TIC80_WIDTH;
+ s32 pos = (r + tic->ram.vram.vars.offset.y + TIC80_HEIGHT) % TIC80_HEIGHT * TIC80_WIDTH >> 1;
- for(s32 c = 0, x = (tic->ram.vram.vars.offset.x + TIC80_WIDTH) % TIC80_WIDTH; c < TIC80_WIDTH; c++, colPtr++, x++)
+ u32 *endRow = colPtr + TIC80_WIDTH;
+ colPtr += (-tic->ram.vram.vars.offset.x + TIC80_WIDTH) % TIC80_WIDTH;
+ for(s32 c = 0; c < TIC80_WIDTH / 2; c++)
{
- if(x >= TIC80_WIDTH) x %= TIC80_WIDTH;
- *colPtr = pal[tic_tool_peek4(tic->ram.vram.screen.data, pos + x)];
+ u8 val = ((u8*)tic->ram.vram.screen.data)[pos + c];
+ *colPtr++ = pal[val & 0xf];
+ if(colPtr >= endRow) colPtr -= TIC80_WIDTH;
+ *colPtr++ = pal[val >> 4];
+ if(colPtr >= endRow) colPtr -= TIC80_WIDTH;
}
memset4(rowPtr + (TIC80_FULLWIDTH-Right), pal[tic->ram.vram.vars.border], Right);
