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add big endian platform support

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This commit is contained in:
kub 2021-02-22 22:25:03 +01:00
parent b053cb2044
commit 57c5a5e505
21 changed files with 224 additions and 178 deletions
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40
pico/draw.c
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@ -331,7 +331,7 @@ static void DrawStrip(struct TileStrip *ts, int lflags, int cellskip)
pal = ((code>>9)&0x30) | sh; // shadow
pack = *(u32 *)(PicoMem.vram + addr);
pack = CPU_LE2(*(u32 *)(PicoMem.vram + addr));
if (!pack)
blank = code;
}
@ -420,7 +420,7 @@ static void DrawStripVSRam(struct TileStrip *ts, int plane_sh, int cellskip)
}
pack = (code & 0x1000 ? ty^0xe : ty); // Y-flip
pack = *(u32 *)(PicoMem.vram + addr+pack);
pack = CPU_LE2(*(u32 *)(PicoMem.vram + addr+pack));
if (!pack)
blank = code;
@ -480,7 +480,7 @@ void DrawStripInterlace(struct TileStrip *ts, int plane_sh)
pal = ((code>>9)&0x30) | sh; // shadow
pack = *(u32 *)(PicoMem.vram + addr);
pack = CPU_LE2(*(u32 *)(PicoMem.vram + addr));
if (!pack)
blank = code;
}
@ -630,7 +630,7 @@ static void DrawWindow(int tstart, int tend, int prio, int sh,
addr=(code&0x7ff)<<4;
if (code&0x1000) addr+=14-ty; else addr+=ty; // Y-flip
pack = *(u32 *)(PicoMem.vram + addr);
pack = CPU_LE2(*(u32 *)(PicoMem.vram + addr));
if (!pack) {
blank = code;
continue;
@ -672,7 +672,7 @@ static void DrawWindow(int tstart, int tend, int prio, int sh,
addr=(code&0x7ff)<<4;
if (code&0x1000) addr+=14-ty; else addr+=ty; // Y-flip
pack = *(u32 *)(PicoMem.vram + addr);
pack = CPU_LE2(*(u32 *)(PicoMem.vram + addr));
if (!pack) {
blank = code;
continue;
@ -851,7 +851,7 @@ static void DrawSprite(u32 *sprite, int sh, int w)
if(sx<=0) continue;
if(sx>=328) break; // Offscreen
pack = *(u32 *)(PicoMem.vram + (tile & 0x7fff));
pack = CPU_LE2(*(u32 *)(PicoMem.vram + (tile & 0x7fff)));
fTileFunc(pd + sx, pack, pal);
}
}
@ -867,7 +867,7 @@ static void DrawSpriteInterlace(u32 *sprite)
int sx, sy;
// parse the sprite data
sy=sprite[0];
sy=CPU_LE2(sprite[0]);
height=sy>>24;
sy=(sy&0x3ff)-0x100; // Y
width=(height>>2)&3; height&=3;
@ -875,7 +875,7 @@ static void DrawSpriteInterlace(u32 *sprite)
row=(Pico.est.DrawScanline<<1)-sy; // Row of the sprite we are on
code=sprite[1];
code=CPU_LE2(sprite[1]);
sx=((code>>16)&0x1ff)-0x78; // X
if (code&0x1000) row^=(16<<height)-1; // Flip Y
@ -897,7 +897,7 @@ static void DrawSpriteInterlace(u32 *sprite)
if(sx<=0) continue;
if(sx>=328) break; // Offscreen
pack = *(u32 *)(PicoMem.vram + (tile & 0x7fff));
pack = CPU_LE2(*(u32 *)(PicoMem.vram + (tile & 0x7fff)));
if (code & 0x0800) TileFlip(pd + sx, pack, pal);
else TileNorm(pd + sx, pack, pal);
}
@ -923,8 +923,8 @@ static NOINLINE void DrawAllSpritesInterlace(int pri, int sh)
sprite=(u32 *)(PicoMem.vram+((table+(link<<2))&0x7ffc)); // Find sprite
// get sprite info
code = sprite[0];
sx = sprite[1];
code = CPU_LE2(sprite[0]);
sx = CPU_LE2(sprite[1]);
if(((sx>>15)&1) != pri) goto nextsprite; // wrong priority sprite
// check if it is on this line
@ -1020,7 +1020,7 @@ static void DrawSpritesSHi(unsigned char *sprited, const struct PicoEState *est)
if(sx<=0) continue;
if(sx>=328) break; // Offscreen
pack = *(u32 *)(PicoMem.vram + (tile & 0x7fff));
pack = CPU_LE2(*(u32 *)(PicoMem.vram + (tile & 0x7fff)));
fTileFunc(pd + sx, pack, pal);
}
}
@ -1089,7 +1089,7 @@ static void DrawSpritesHiAS(unsigned char *sprited, int sh)
if(sx>=328) break; // Offscreen
pack = *(u32 *)(PicoMem.vram + (tile & 0x7fff));
pack = CPU_LE2(*(u32 *)(PicoMem.vram + (tile & 0x7fff)));
m |= mp[1] << 8; // next mask byte
// shift mask bits to bits 8-15 for easier load/store handling
@ -1132,7 +1132,7 @@ static void DrawStripForced(struct TileStrip *ts, int cellskip)
pal = (code>>9)&0x30;
}
pack = *(u32 *)(PicoMem.vram + addr);
pack = CPU_LE2(*(u32 *)(PicoMem.vram + addr));
if (code & 0x0800) TileFlip_and(pd + dx, pack, pal);
else TileNorm_and(pd + dx, pack, pal);
@ -1196,7 +1196,7 @@ static void DrawStripVSRamForced(struct TileStrip *ts, int plane_sh, int cellski
}
pack = code & 0x1000 ? ty^0xe : ty; // Y-flip
pack = *(u32 *)(PicoMem.vram + addr+pack);
pack = CPU_LE2(*(u32 *)(PicoMem.vram + addr+pack));
if (code & 0x0800) TileFlip_and(pd + dx, pack, pal);
else TileNorm_and(pd + dx, pack, pal);
@ -1230,7 +1230,7 @@ void DrawStripInterlaceForced(struct TileStrip *ts)
pal = (code>>9)&0x30; // shadow
pack = *(u32 *)(PicoMem.vram + addr);
pack = CPU_LE2(*(u32 *)(PicoMem.vram + addr));
}
if (code & 0x0800) TileFlip_and(pd + dx, pack, pal);
@ -1363,11 +1363,11 @@ static void DrawSpritesForced(unsigned char *sprited)
mp = mb+(sx>>3);
for (m = *mp; width; width--, sx+=8, tile+=delta, *mp++ = m, m >>= 8)
{
unsigned int pack;
u32 pack;
if(sx>=328) break; // Offscreen
pack = *(u32 *)(PicoMem.vram + (tile & 0x7fff));
pack = CPU_LE2(*(u32 *)(PicoMem.vram + (tile & 0x7fff)));
m |= mp[1] << 8; // next mask byte
// shift mask bits to bits 8-15 for easier load/store handling
@ -1428,13 +1428,13 @@ static NOINLINE void PrepareSprites(int max_lines)
// parse sprite info. the 1st half comes from the VDPs internal cache,
// the 2nd half is read from VRAM
code = VdpSATCache[link]; // normally but not always equal to sprite[0]
code = CPU_LE2(VdpSATCache[link]); // normally same as sprite[0]
sy = (code&0x1ff)-0x80;
hv = (code>>24)&0xf;
height = (hv&3)+1;
width = (hv>>2)+1;
code2 = sprite[1];
code2 = CPU_LE2(sprite[1]);
sx = (code2>>16)&0x1ff;
sx -= 0x78; // Get X coordinate + 8