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desmume
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framebuffer mode now also works from LCD memory

This commit is contained in:
mightymax 2007-01-13 13:43:07 +00:00
parent 540ffbbcda
commit 86ba586d00
3 changed files with 26 additions and 20 deletions
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17
desmume/src/GPU.c
View File

@ -105,6 +105,11 @@ void GPU_Reset(GPU *g, u8 l)
g->BGSize[0][1] = g->BGSize[1][1] = g->BGSize[2][1] = g->BGSize[3][1] = 256;
g->dispOBJ = g->dispBG[0] = g->dispBG[1] = g->dispBG[2] = g->dispBG[3] = TRUE;
MMU.vram_mode[0] = 4 ;
MMU.vram_mode[1] = 5 ;
MMU.vram_mode[2] = 6 ;
MMU.vram_mode[3] = 7 ;
g->spriteRender = sprite1D;
if(g->core == GPU_SUB)
@ -1210,7 +1215,7 @@ INLINE void extRotBG2(GPU * gpu, u8 num, u8 * DST, u16 H, s32 X, s32 Y, s16 PA,
y1 = (mapinfo & 0x800) ? 7 - (auxY&7) : (auxY&7);
coul = tile[(mapinfo&0x3FF)*64 + x1 + (y1<<3)];
if(coul)
renderline_setFinalColor(gpu,0,num,dst, T1ReadWord(pal, (coul + (mapinfo>>12)*0x100) << 1),x,Y);
renderline_setFinalColor(gpu,0,num,dst, T1ReadWord(pal, (coul + (mapinfo>>12)*0x100) << 1),i,Y);
})
}
@ -1223,7 +1228,7 @@ INLINE void extRotBG2(GPU * gpu, u8 num, u8 * DST, u16 H, s32 X, s32 Y, s16 PA,
{
mapinfo = map[auxX + auxY * lg];
if(mapinfo)
renderline_setFinalColor(gpu,0,num,dst, T1ReadWord(pal, mapinfo << 1),x,Y);
renderline_setFinalColor(gpu,0,num,dst, T1ReadWord(pal, mapinfo << 1),i,Y);
})
}
return;
@ -1234,7 +1239,7 @@ INLINE void extRotBG2(GPU * gpu, u8 num, u8 * DST, u16 H, s32 X, s32 Y, s16 PA,
{
mapinfo = T1ReadWord(map, (auxX + auxY * lg) << 1);
if ((mapinfo) && (mapinfo & 0x8000))
renderline_setFinalColor(gpu,0,num,dst, mapinfo,x,Y);
renderline_setFinalColor(gpu,0,num,dst, mapinfo,i,Y);
})
}
return;
@ -1298,19 +1303,19 @@ void extRotBG(GPU * gpu, u8 num, u8 * DST)
#define RENDERS_A(a) \
if((a)&&(prioTab[sprX]>=prio)) \
{ \
renderline_setFinalColor(gpu, sprX << 1,4,dst, c,sprX,l); \
renderline_setFinalColor(gpu, sprX << 1,4,dst, c,i,l); \
prioTab[sprX] = prio; \
}
#define RENDERS_B(c) \
if((c)&&(prioTab[sprX]>=prio)) \
{ \
renderline_setFinalColor(gpu, sprX << 1,4,dst, T1ReadWord(pal, (c) << 1),sprX,l); \
renderline_setFinalColor(gpu, sprX << 1,4,dst, T1ReadWord(pal, (c) << 1),i,l); \
prioTab[sprX] = prio; \
}
#define RENDERS_C(c,d) \
if((c)&&(prioTab[sprX]>=prio)) \
{ \
renderline_setFinalColor(gpu, (sprX d) << 1,4,dst, T1ReadWord(pal, ((c)+(spriteInfo->PaletteIndex<<4)) << 1),(sprX d),l); \
renderline_setFinalColor(gpu, (sprX d) << 1,4,dst, T1ReadWord(pal, ((c)+(spriteInfo->PaletteIndex<<4)) << 1),i,l); \
prioTab[sprX d] = prio; \
}

26
desmume/src/GPU.h
View File

@ -422,6 +422,7 @@ static INLINE void GPU_ligne(Screen * screen, u16 l)
GPU * gpu = screen->gpu;
u8 * dst = GPU_screen + (screen->offset + l) * 512;
u8 * mdst = GPU_screen + (MainScreen.offset + l) * 512;
u8 * sdst = GPU_screen + (SubScreen.offset + l) * 512;
itemsForPriority_t * item;
u8 spr[512];
u8 sprPrio[256];
@ -454,29 +455,26 @@ static INLINE void GPU_ligne(Screen * screen, u16 l)
/* we only draw one of the VRAM blocks */
vram_bank = gpu->dispCnt.bits.VRAM_Block ;
if(!(MMU.vScreen&1)) dest = mdst; else dest = dst;
switch (MMU.vram_mode[vram_bank])
{
case 0:
case 1:
case 2:
case 3:
// if(!(gpu->lcd)) dest = mdst; else dest = sdst;
dest = dst ;
{
int ii = l * 256 * 2;
for (i=0; i<(256 * 2); i+=2)
{
u8 * vram = ARM9Mem.ARM9_ABG + MMU.vram_mode[vram_bank] * 0x20000;
u8 * vram ;
if (MMU.vram_mode[vram_bank] & 4)
{
vram = ARM9Mem.ARM9_LCD + (MMU.vram_mode[vram_bank] & 3) * 0x20000;
} else
{
vram = ARM9Mem.ARM9_ABG + MMU.vram_mode[vram_bank] * 0x20000;
}
T2WriteWord(dest, i, T1ReadWord(vram, ii));
ii+=2;
}
return;
}
break;
default:
break;
}
}
return;
case 3:

3
desmume/src/MMU.c
View File

@ -881,6 +881,9 @@ void FASTCALL MMU_write8(u32 proc, u32 adr, u8 val)
MMU.vram_mode[adr-REG_VRAMCNTA] = 3; // BG-VRAM
//MMU.vram_offset[0] = ARM9Mem.ARM9_ABG+(0x20000*3); // BG-VRAM
break;
case 0: /* mapped to lcd */
MMU.vram_mode[adr-REG_VRAMCNTA] = 4 | (adr-REG_VRAMCNTA) ;
break ;
}
MMU_VRAMReloadFromLCD(adr-REG_VRAMCNTA,val) ;
}