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_DISPCNT_ struct completed

This commit is contained in:
damdoum 2007-01-09 08:09:59 +00:00
parent 86a54a81fd
commit 4ba50a1f1e
2 changed files with 41 additions and 36 deletions
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32
desmume/src/GPU.c
View File

@ -130,7 +130,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->prop = p; gpu->prop = p;
// gpu->dispMode = DISPCNT_DISPLAY_MODE(p,gpu->lcd) ; // gpu->dispMode = DISPCNT_DISPLAY_MODE(p,gpu->lcd) ;
gpu->dispMode = cnt->ExMode & ((gpu->lcd)?1:3); gpu->dispMode = cnt->DisplayMode & ((gpu->lcd)?1:3);
switch (gpu->dispMode) switch (gpu->dispMode)
{ {
@ -140,7 +140,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
break; break;
case 2: // Display framebuffer case 2: // Display framebuffer
// gpu->vramBlock = DISPCNT_VRAMBLOCK(p) ; // gpu->vramBlock = DISPCNT_VRAMBLOCK(p) ;
gpu->vramBlock = cnt->FrameBufferSelect; gpu->vramBlock = cnt->VRAM_Block;
return; return;
case 3: // Display from Main RAM case 3: // Display from Main RAM
LOG("FIXME: Display Mode 3 not supported(Display from Main RAM)\n"); LOG("FIXME: Display Mode 3 not supported(Display from Main RAM)\n");
@ -148,25 +148,23 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
} }
gpu->nbBGActif = 0; gpu->nbBGActif = 0;
if(cnt->SpriteMode & 0x1) if(cnt->OBJ_Tile_1D)
{ {
/* 1-d sprite mapping */ /* 1-d sprite mapping */
/* TODO: better comment (and understanding btw 8S) */
gpu->sprBlock = 5 + DISPCNT_TILEOBJ1D_BOUNDARY(p) ; /* TODO: better comment (and understanding btw 8S) */ gpu->sprBlock = 5 + cnt->OBJ_Tile_1D_Bound ;
if((gpu->core == GPU_SUB) && (DISPCNT_TILEOBJ1D_BOUNDARY(p) == 3)) if((gpu->core == GPU_SUB) && (cnt->OBJ_Tile_1D_Bound == 3))
{ {
gpu->sprBlock = 7; gpu->sprBlock = 7;
} }
gpu->spriteRender = sprite1D; gpu->spriteRender = sprite1D;
} } else {
else
{
/* 2d sprite mapping */ /* 2d sprite mapping */
gpu->sprBlock = 5; gpu->sprBlock = 5;
gpu->spriteRender = sprite2D; gpu->spriteRender = sprite2D;
} }
if(DISPCNT_BMPOBJ1D_BOUNDARY(p) && (gpu->core == GPU_MAIN)) if(cnt->OBJ_BMP_1D_Bound && (gpu->core == GPU_MAIN))
{ {
gpu->sprBMPBlock = 8; gpu->sprBMPBlock = 8;
} }
@ -175,7 +173,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->sprBMPBlock = 7; gpu->sprBMPBlock = 7;
} }
gpu->sprEnable = cnt->Sprite_Enable; gpu->sprEnable = cnt->OBJ_Enable;
GPU_setBGProp(gpu, 3, T1ReadWord(ARM9Mem.ARM9_REG, gpu->core * ADDRESS_STEP_4KB + 14)); GPU_setBGProp(gpu, 3, T1ReadWord(ARM9Mem.ARM9_REG, gpu->core * ADDRESS_STEP_4KB + 14));
GPU_setBGProp(gpu, 2, T1ReadWord(ARM9Mem.ARM9_REG, gpu->core * ADDRESS_STEP_4KB + 12)); GPU_setBGProp(gpu, 2, T1ReadWord(ARM9Mem.ARM9_REG, gpu->core * ADDRESS_STEP_4KB + 12));
@ -394,8 +392,8 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
else else
{ {
gpu->BG_bmp_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_16KB; gpu->BG_bmp_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_16KB;
gpu->BG_tile_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + BGCNT_CHARBASEBLOCK(p) * ADDRESS_STEP_16KB + ((gpu->prop >> 24) & 0x7) * ADDRESS_STEP_64kB ; gpu->BG_tile_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + BGCNT_CHARBASEBLOCK(p) * ADDRESS_STEP_16KB + ((_DISPCNT_*)&gpu->prop)->CharacBase_Block * ADDRESS_STEP_64kB ;
gpu->BG_map_ram[num] = ARM9Mem.ARM9_ABG + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_2KB + ((_DISPCNT_*)(&(gpu->prop)))->ScreenBaseBlock * ADDRESS_STEP_64kB; gpu->BG_map_ram[num] = ARM9Mem.ARM9_ABG + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_2KB + ((_DISPCNT_*)&gpu->prop)->ScreenBase_Block * ADDRESS_STEP_64kB;
} }
/*if(!(p&(1<<7))) /*if(!(p&(1<<7)))
@ -417,8 +415,8 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
/* we got a naming problem here, dispMode actual is _DISPCNT_.ExMode */ /* we got a naming problem here, dispMode actual is _DISPCNT_.ExMode */
// gpu->BGSize[num][0] = sizeTab[mode2type[gpu->dispMode][num]][BGCNT_SCREENSIZE(p)][0]; // gpu->BGSize[num][0] = sizeTab[mode2type[gpu->dispMode][num]][BGCNT_SCREENSIZE(p)][0];
// gpu->BGSize[num][1] = sizeTab[mode2type[gpu->dispMode][num]][BGCNT_SCREENSIZE(p)][1]; // gpu->BGSize[num][1] = sizeTab[mode2type[gpu->dispMode][num]][BGCNT_SCREENSIZE(p)][1];
gpu->BGSize[num][0] = sizeTab[mode2type[((_DISPCNT_*)(&(gpu->prop)))->DisplayMode][num]][BGCNT_SCREENSIZE(p)][0]; gpu->BGSize[num][0] = sizeTab[mode2type[((_DISPCNT_*)&gpu->prop)->BG_Mode][num]][BGCNT_SCREENSIZE(p)][0];
gpu->BGSize[num][1] = sizeTab[mode2type[((_DISPCNT_*)(&(gpu->prop)))->DisplayMode][num]][BGCNT_SCREENSIZE(p)][1]; gpu->BGSize[num][1] = sizeTab[mode2type[((_DISPCNT_*)&gpu->prop)->BG_Mode][num]][BGCNT_SCREENSIZE(p)][1];
} }
@ -793,7 +791,7 @@ INLINE void renderline_textBG(GPU * gpu, u8 num, u8 * DST, u16 X, u16 Y, u16 LG)
} }
return; return;
} }
if(!((_DISPCNT_*)(&(gpu->prop)))->ExBGPalette_Enable) /* color: no extended palette */ if(!((_DISPCNT_*)&gpu->prop)->ExBGxPalette_Enable) /* color: no extended palette */
{ {
yoff = ((Y&7)<<3); yoff = ((Y&7)<<3);
pal = ARM9Mem.ARM9_VMEM + gpu->core * ADDRESS_STEP_1KB ; pal = ARM9Mem.ARM9_VMEM + gpu->core * ADDRESS_STEP_1KB ;
@ -1180,7 +1178,7 @@ void sprite1D(GPU * gpu, u16 l, u8 * dst, u8 * prioTab)
u16 i; u16 i;
src = gpu->sprMem + (spriteInfo->TileIndex<<block) + ((y>>3)*sprSize.x*8) + ((y&0x7)*8); src = gpu->sprMem + (spriteInfo->TileIndex<<block) + ((y>>3)*sprSize.x*8) + ((y&0x7)*8);
if(gpu->prop&(1<<31)) if(((_DISPCNT_*)&gpu->prop)->ExOBJPalette_Enable)
pal = ARM9Mem.ObjExtPal[gpu->core][0]+(spriteInfo->PaletteIndex*0x200); pal = ARM9Mem.ObjExtPal[gpu->core][0]+(spriteInfo->PaletteIndex*0x200);
else else
pal = ARM9Mem.ARM9_VMEM + 0x200 + gpu->core *0x400; pal = ARM9Mem.ARM9_VMEM + 0x200 + gpu->core *0x400;

45
desmume/src/GPU.h
View File

@ -48,25 +48,32 @@ extern "C" {
typedef struct typedef struct
{ {
/*0*/ unsigned DisplayMode:3; /*0*/ unsigned BG_Mode:3; // A+B:
/*3*/ unsigned BG0_3D:1; /*3*/ unsigned BG0_3D:1; // A : 0=2D, 1=3D
/*4*/ unsigned SpriteMode:3; /*4*/ unsigned OBJ_Tile_1D:1; // A+B: 0=2D (32KB), 1=1D (32..256KB)
/*7*/ unsigned ForceBlank:1; /*5*/ unsigned OBJ_BMP_2D_dim:1; // A+B: 0=128x512, 1=256x256 pixels
/*8*/ unsigned BG0_Enable:1; /*6*/ unsigned OBJ_BMP_mapping:1; // A+B: 0=2D (128KB), 1=1D (128..256KB)
/*9*/ unsigned BG1_Enable:1;
/*10*/ unsigned BG2_Enable:1; // 7-15 same as GBA
/*11*/ unsigned BG3_Enable:1; /*7*/ unsigned ForceBlank:1; // A+B:
/*12*/ unsigned Sprite_Enable:1; /*8*/ unsigned BG0_Enable:1; // A+B: 0=disable, 1=Enable
/*13*/ unsigned Win0_Enable:1; /*9*/ unsigned BG1_Enable:1; // A+B: 0=disable, 1=Enable
/*14*/ unsigned Win1_Enable:1; /*10*/ unsigned BG2_Enable:1; // A+B: 0=disable, 1=Enable
/*15*/ unsigned SpriteWin_Enable:1; /*11*/ unsigned BG3_Enable:1; // A+B: 0=disable, 1=Enable
/*16*/ unsigned ExMode:2; // (00: Framebuffer, 01: GBA-style, 10: Framebuffer-alike, 11: ?) /*12*/ unsigned OBJ_Enable:1; // A+B: 0=disable, 1=Enable
/*18*/ unsigned FrameBufferSelect:2; // ExMode 2 /*13*/ unsigned Win0_Enable:1; // A+B: 0=disable, 1=Enable
/*20*/ unsigned ExSpriteMode:3; /*14*/ unsigned Win1_Enable:1; // A+B: 0=disable, 1=Enable
/*23*/ unsigned :4; /*15*/ unsigned WinOBJ_Enable:1; // A+B: 0=disable, 1=Enable
/*27*/ unsigned ScreenBaseBlock:3;
/*30*/ unsigned ExBGPalette_Enable:1; /*16*/ unsigned DisplayMode:2; // A+B: coreA(0..3) coreB(0..1) GBA(Green Swap)
/*31*/ unsigned ExSpritePalette_Enable:1; /*18*/ unsigned VRAM_Block:2; // A : VRAM block (0..3=A..D)
/*20*/ unsigned OBJ_Tile_1D_Bound:2; // A+B:
/*22*/ unsigned OBJ_BMP_1D_Bound:1; // A :
/*23*/ unsigned OBJ_HBlank_process:1; // A+B: OBJ processed during HBlank (GBA bit5)
/*24*/ unsigned CharacBase_Block:3; // A : Character Base (64K step)
/*27*/ unsigned ScreenBase_Block:3; // A : Screen Base (64K step)
/*30*/ unsigned ExBGxPalette_Enable:1; // A+B: 0=disable, 1=Enable BG extended Palette
/*31*/ unsigned ExOBJPalette_Enable:1; // A+B: 0=disable, 1=Enable OBJ extended Palette
} _DISPCNT_; } _DISPCNT_;
#define DISPCNT_OBJMAPING1D(val) (((val) >> 4) & 1) #define DISPCNT_OBJMAPING1D(val) (((val) >> 4) & 1)