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TIC-80-guile
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added vertical border scroll

This commit is contained in:
BADIM-PC\Vadim 2017-12-02 19:19:17 +03:00
parent 6cd9d17b9e
commit 2d4a36d66c
2 changed files with 11 additions and 14 deletions
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23
src/tic.c
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@ -546,8 +546,6 @@ static void api_clear(tic_mem* memory, u8 color)
{
api_rect(memory, machine->state.clip.l, machine->state.clip.t, machine->state.clip.r - machine->state.clip.l, machine->state.clip.b - machine->state.clip.t, color);
}
memory->ram.vram.vars.bg = color & 0xf;
}
static s32 drawChar(tic_mem* memory, u8 symbol, s32 x, s32 y, s32 width, s32 height, u8 color, s32 scale)
@ -1712,24 +1710,23 @@ static void api_blit(tic_mem* tic, tic_scanline scanline, tic_overlap overlap)
memset4(&out[0 * TIC80_FULLWIDTH], pal[tic->ram.vram.vars.border], TIC80_FULLWIDTH*Top);
u32* rowPtr = out + Top*TIC80_FULLWIDTH;
u32* rowPtr = out + (Top*TIC80_FULLWIDTH);
u32* colPtr = rowPtr + Left;
for(s32 r = 0, y = tic->ram.vram.vars.offset.y; r < TIC80_HEIGHT; r++, y++, rowPtr += TIC80_FULLWIDTH)
for(s32 r = 0; r < TIC80_HEIGHT; r++, rowPtr += TIC80_FULLWIDTH, colPtr += (Left + Right))
{
memset4(rowPtr, pal[tic->ram.vram.vars.border], Left);
memset4(rowPtr + Left, pal[tic->ram.vram.vars.bg], TIC80_WIDTH);
u32* colPtr = rowPtr + Left;
s32 pos = (r + tic->ram.vram.vars.offset.y + TIC80_HEIGHT) % TIC80_HEIGHT * TIC80_WIDTH;
if(y >= 0 && y < TIC80_HEIGHT)
for(s32 c = 0, x = (tic->ram.vram.vars.offset.x + TIC80_WIDTH) % TIC80_WIDTH, pos = y * TIC80_WIDTH; c < TIC80_WIDTH; c++, colPtr++, x++)
{
if(x >= TIC80_WIDTH) x %= TIC80_WIDTH;
*colPtr = pal[tic_tool_peek4(tic->ram.vram.screen.data, pos + x)];
}
for(s32 c = 0, x = (tic->ram.vram.vars.offset.x + TIC80_WIDTH) % TIC80_WIDTH; c < TIC80_WIDTH; c++, colPtr++, x++)
{
if(x >= TIC80_WIDTH) x %= TIC80_WIDTH;
*colPtr = pal[tic_tool_peek4(tic->ram.vram.screen.data, pos + x)];
}
memset4(rowPtr + (TIC80_FULLWIDTH-Right), pal[tic->ram.vram.vars.border], Right);
if(scanline && (r < TIC80_HEIGHT-1))
{
scanline(tic, r+1);

2
src/tic.h
View File

@ -368,7 +368,7 @@ typedef union
struct
{
u8 border:TIC_PALETTE_BPP;
u8 bg:TIC_PALETTE_BPP;
u8 tmp:TIC_PALETTE_BPP;
};
};