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_DISPCNT_ structure definition

This commit is contained in:
damdoum 2007-01-08 16:56:51 +00:00
parent c28b17c794
commit ff2b794d64
2 changed files with 52 additions and 26 deletions
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27
desmume/src/GPU.c
View File

@ -127,8 +127,10 @@ void GPU_DeInit(GPU * gpu)
void GPU_setVideoProp(GPU * gpu, u32 p) void GPU_setVideoProp(GPU * gpu, u32 p)
{ {
gpu->prop = p; gpu->prop = p;
_DISPCNT_ * cnt = &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);
switch (gpu->dispMode) switch (gpu->dispMode)
{ {
@ -137,7 +139,8 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
case 1: // Display BG and OBJ layers case 1: // Display BG and OBJ layers
break; break;
case 2: // Display framebuffer case 2: // Display framebuffer
gpu->vramBlock = DISPCNT_VRAMBLOCK(p) ; // gpu->vramBlock = DISPCNT_VRAMBLOCK(p) ;
gpu->vramBlock = cnt->FrameBufferSelect;
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");
@ -145,7 +148,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
} }
gpu->nbBGActif = 0; gpu->nbBGActif = 0;
if(DISPCNT_OBJMAPING1D(p)) if(cnt->SpriteMode & 0x1)
{ {
/* 1-d sprite mapping */ /* 1-d sprite mapping */
@ -172,14 +175,14 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->sprBMPBlock = 7; gpu->sprBMPBlock = 7;
} }
gpu->sprEnable = DISPCNT_SPRITEENABLE(p) ; gpu->sprEnable = cnt->Sprite_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));
GPU_setBGProp(gpu, 1, T1ReadWord(ARM9Mem.ARM9_REG, gpu->core * ADDRESS_STEP_4KB + 10)); GPU_setBGProp(gpu, 1, T1ReadWord(ARM9Mem.ARM9_REG, gpu->core * ADDRESS_STEP_4KB + 10));
GPU_setBGProp(gpu, 0, T1ReadWord(ARM9Mem.ARM9_REG, gpu->core * ADDRESS_STEP_4KB + 8)); GPU_setBGProp(gpu, 0, T1ReadWord(ARM9Mem.ARM9_REG, gpu->core * ADDRESS_STEP_4KB + 8));
if(DISPCNT_BG3ENABLED(p) && gpu->dispBG[3]) if(cnt->BG3_Enable && gpu->dispBG[3])
{ {
gpu->ordre[0] = 3; gpu->ordre[0] = 3;
gpu->BGIndex[3] = 1; gpu->BGIndex[3] = 1;
@ -190,7 +193,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->BGIndex[3] = 0; gpu->BGIndex[3] = 0;
} }
if(DISPCNT_BG2ENABLED(p) && gpu->dispBG[2]) if(cnt->BG2_Enable && gpu->dispBG[2])
{ {
if(gpu->nbBGActif) if(gpu->nbBGActif)
{ {
@ -221,7 +224,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->BGIndex[2] = 0; gpu->BGIndex[2] = 0;
} }
if(DISPCNT_BG1ENABLED(p) && gpu->dispBG[1]) if(cnt->BG1_Enable && gpu->dispBG[1])
{ {
if(gpu->nbBGActif == 0) if(gpu->nbBGActif == 0)
{ {
@ -248,7 +251,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->BGIndex[1] = 0; gpu->BGIndex[1] = 0;
} }
if(DISPCNT_BG0ENABLED(p) && (!(p & 0x8)) && gpu->dispBG[0]) if(cnt->BG0_Enable && (!cnt->BG0_3D) && gpu->dispBG[0])
{ {
if(gpu->nbBGActif == 0) if(gpu->nbBGActif == 0)
{ {
@ -392,7 +395,7 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
{ {
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 + ((gpu->prop >> 24) & 0x7) * ADDRESS_STEP_64kB ;
gpu->BG_map_ram[num] = ARM9Mem.ARM9_ABG + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_2KB + DISPCNT_SCREENBASEBLOCK(gpu->prop) * ADDRESS_STEP_64kB; gpu->BG_map_ram[num] = ARM9Mem.ARM9_ABG + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_2KB + ((_DISPCNT_*)(&(gpu->prop)))->ScreenBaseBlock * ADDRESS_STEP_64kB;
} }
/*if(!(p&(1<<7))) /*if(!(p&(1<<7)))
@ -411,8 +414,8 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
return; return;
}*/ }*/
gpu->BGSize[num][0] = sizeTab[mode2type[DISPCNT_MODE(gpu->prop)][num]][BGCNT_SCREENSIZE(p)][0]; gpu->BGSize[num][0] = sizeTab[mode2type[gpu->dispMode][num]][BGCNT_SCREENSIZE(p)][0];
gpu->BGSize[num][1] = sizeTab[mode2type[DISPCNT_MODE(gpu->prop)][num]][BGCNT_SCREENSIZE(p)][1]; gpu->BGSize[num][1] = sizeTab[mode2type[gpu->dispMode][num]][BGCNT_SCREENSIZE(p)][1];
} }
void GPU_remove(GPU * gpu, u8 num) void GPU_remove(GPU * gpu, u8 num)
@ -692,7 +695,7 @@ INLINE void renderline_textBG(GPU * gpu, u8 num, u8 * DST, u16 X, u16 Y, u16 LG)
} }
return; return;
} }
if(!DISPCNT_USEEXTPAL(gpu->prop)) /* color: no extended palette */ if(!((_DISPCNT_*)(&(gpu->prop)))->ExBGPalette_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 ;

51
desmume/src/GPU.h
View File

@ -46,6 +46,29 @@ extern "C" {
#define ADDRESS_STEP_32KB 0x08000 #define ADDRESS_STEP_32KB 0x08000
#define ADDRESS_STEP_64kB 0x10000 #define ADDRESS_STEP_64kB 0x10000
typedef struct
{
/*0*/ unsigned DisplayMode:3;
/*3*/ unsigned BG0_3D:1;
/*4*/ unsigned SpriteMode:3;
/*7*/ unsigned ForceBlank:1;
/*8*/ unsigned BG0_Enable:1;
/*9*/ unsigned BG1_Enable:1;
/*10*/ unsigned BG2_Enable:1;
/*11*/ unsigned BG3_Enable:1;
/*12*/ unsigned Sprite_Enable:1;
/*13*/ unsigned Win0_Enable:1;
/*14*/ unsigned Win1_Enable:1;
/*15*/ unsigned SpriteWin_Enable:1;
/*16*/ unsigned ExMode:2; // (00: Framebuffer, 01: GBA-style, 10: Framebuffer-alike, 11: ?)
/*18*/ unsigned FrameBufferSelect:2; // ExMode 2
/*20*/ unsigned ExSpriteMode:3;
/*23*/ unsigned :4;
/*27*/ unsigned ScreenBaseBlock:3;
/*30*/ unsigned ExBGPalette_Enable:1;
/*31*/ unsigned ExSpritePalette_Enable:1;
} _DISPCNT_;
#define DISPCNT_OBJMAPING1D(val) (((val) >> 4) & 1) #define DISPCNT_OBJMAPING1D(val) (((val) >> 4) & 1)
#define DISPCNT_BG0ENABLED(val) (((val) >> 8) & 1) #define DISPCNT_BG0ENABLED(val) (((val) >> 8) & 1)
#define DISPCNT_BG1ENABLED(val) (((val) >> 9) & 1) #define DISPCNT_BG1ENABLED(val) (((val) >> 9) & 1)
@ -72,22 +95,22 @@ typedef struct
{ {
// found here : http://www.bottledlight.com/ds/index.php/Video/Sprites // found here : http://www.bottledlight.com/ds/index.php/Video/Sprites
// attr0 // attr0
unsigned Y:8; /*0*/ unsigned Y:8;
unsigned RotScale:2; // (00: Normal, 01: Rot/scale, 10: Disabled, 11: Double-size rot/scale) /*8*/ unsigned RotScale:2; // (00: Normal, 01: Rot/scale, 10: Disabled, 11: Double-size rot/scale)
unsigned Mode:2; // (00: Normal, 01: Transparent, 10: Object window, 11: Bitmap) /*10*/ unsigned Mode:2; // (00: Normal, 01: Transparent, 10: Object window, 11: Bitmap)
unsigned Mosaic:1; // (1: Enabled) /*12*/ unsigned Mosaic:1; // (1: Enabled)
unsigned Depth:1; // (0: 16, 1: 256) /*13*/ unsigned Depth:1; // (0: 16, 1: 256)
unsigned Shape:2; // (00: Square, 01: Wide, 10: Tall, 11: Illegal) /*14*/ unsigned Shape:2; // (00: Square, 01: Wide, 10: Tall, 11: Illegal)
// attr1 // attr1
unsigned X:9; /*0*/ signed X:9;
unsigned RotScalIndex:3; // Rot/scale matrix index /*9*/ unsigned RotScalIndex:3; // Rot/scale matrix index
unsigned HFlip:1; /*12*/ unsigned HFlip:1;
unsigned VFlip:1; /*13*/ unsigned VFlip:1;
unsigned Size:2; /*14*/ unsigned Size:2;
// attr2 // attr2
unsigned TileIndex:10; /*0*/ unsigned TileIndex:10;
unsigned Priority:2; /*10*/ unsigned Priority:2;
unsigned PaletteIndex:4; /*12*/ unsigned PaletteIndex:4;
// attr3 // attr3
unsigned attr3:16; unsigned attr3:16;
} _OAM_; } _OAM_;