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support for sprite enable bit in DISPCNT (bug report #1629605)

This commit is contained in:
mightymax 2007-01-07 09:13:25 +00:00
parent 81883e1194
commit 7e15fa37e5
2 changed files with 8 additions and 2 deletions
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7
desmume/src/GPU.c
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@ -175,6 +175,8 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->sprBMPBlock = 7;
}
gpu->sprEnable = (p & 0x00001000) ;
GPU_setBGProp(gpu, 3, T1ReadWord(ARM9Mem.ARM9_REG, (gpu->core * 0x800 + 7) << 1));
GPU_setBGProp(gpu, 2, T1ReadWord(ARM9Mem.ARM9_REG, (gpu->core * 0x800 + 6) << 1));
GPU_setBGProp(gpu, 1, T1ReadWord(ARM9Mem.ARM9_REG, (gpu->core * 0x800 + 5) << 1));
@ -392,7 +394,7 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
else
{
gpu->BG_bmp_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + ((p>>8)&0x1F) * 0x4000;
gpu->BG_tile_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + ((p>>2)&0xF) * 0x4000 + ((gpu->prop >> 24) & 0x7) * 0x10000;
gpu->BG_tile_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + ((p>>2)&0xF) * 0x4000 + ((gpu->prop >> 24) & 0x7) * 0x10000 ;
gpu->BG_map_ram[num] = ARM9Mem.ARM9_ABG + ((p>>8)&0x1F) * 0x800 + ((gpu->prop >> 27) & 0x7) * 0x10000;
}
@ -755,6 +757,7 @@ INLINE void renderline_textBG(GPU * gpu, u8 num, u8 * DST, u16 X, u16 Y, u16 LG)
/* color: extended palette */
pal = ARM9Mem.ExtPal[gpu->core][gpu->BGExtPalSlot[num]];
if(!pal) return;
yoff = ((Y&7)<<3);
for(x = 0; x < LG;)
@ -1023,6 +1026,7 @@ void extRotBG(GPU * gpu, u8 num, u8 * DST)
void sprite1D(GPU * gpu, u16 l, u8 * dst, u8 * prioTab)
{
if (!gpu->sprEnable) return ;
OAM * aux = gpu->oam + (nbShow-1);// + 127;
u8 block = gpu->sprBlock;
@ -1231,6 +1235,7 @@ void sprite1D(GPU * gpu, u16 l, u8 * dst, u8 * prioTab)
void sprite2D(GPU * gpu, u16 l, u8 * dst, u8 * prioTab)
{
if (!gpu->sprEnable) return ;
u16 i;
OAM * aux = gpu->oam + (nbShow-1);// + 127;

1
desmume/src/GPU.h
View File

@ -96,6 +96,7 @@ struct _GPU
u8 sprBlock;
u8 sprBMPBlock;
u8 sprBMPMode;
u32 sprEnable ;
u16 BLDCNT ;
u16 BLDALPHA ;