dan/TIC-80-guile
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

getPixel doesn't correctly map the pixel. #408

Browse Source
This commit is contained in:
BADIM-PC\Vadim
2017-11-21 11:11:24 +03:00
parent 81d8155bd8
commit c99b402c41
1 changed files with 2 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/tic.c
View File

@@ -153,15 +153,14 @@ static void setPixel(tic_machine* machine, s32 x, s32 y, u8 color)
{
if(x < machine->state.clip.l || y < machine->state.clip.t || x >= machine->state.clip.r || y >= machine->state.clip.b) return;
// TODO: check color bounds here
tic_tool_poke4(machine->memory.ram.vram.screen.data, y * TIC80_WIDTH + x, tic_tool_peek4(machine->memory.ram.vram.mapping, color));
tic_tool_poke4(machine->memory.ram.vram.screen.data, y * TIC80_WIDTH + x, tic_tool_peek4(machine->memory.ram.vram.mapping, color & 0xf));
}
static u8 getPixel(tic_machine* machine, s32 x, s32 y)
{
if(x < 0 || y < 0 || x >= TIC80_WIDTH || y >= TIC80_HEIGHT) return 0;
return tic_tool_peek4(machine->memory.ram.vram.mapping, tic_tool_peek4(machine->memory.ram.vram.screen.data, y * TIC80_WIDTH + x));
return tic_tool_peek4(machine->memory.ram.vram.screen.data, y * TIC80_WIDTH + x);
}
static void drawHLine(tic_machine* machine, s32 x, s32 y, s32 width, u8 color)