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TIC-80-guile
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Simplify loop.

This commit is contained in:
František Jahoda 2017-12-17 12:31:25 +01:00
parent 2da54945b6
commit aa1cc5ae2b
1 changed files with 3 additions and 3 deletions
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6
src/tic.c
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@ -221,9 +221,9 @@ static void drawHLineDma(tic_mem* memory, s32 xl, s32 xr, s32 y, u8 color)
tic_tool_poke4(&memory->ram.vram.screen.data, y * TIC80_WIDTH + xl, color);
xl++;
}
for(s32 x = xl; x + 1 < xr; x+=2) {
memory->ram.vram.screen.data[(y * TIC80_WIDTH + x) >> 1] = color;
}
s32 count = (xr - xl) >> 1;
u8 *screen = memory->ram.vram.screen.data + ((y * TIC80_WIDTH + xl) >> 1);
for(s32 i = 0; i < count; i++) *screen++ = color;
if (xr & 1) {
tic_tool_poke4(&memory->ram.vram.screen.data, y * TIC80_WIDTH + xr - 1, color);
}