ShuriZma
/
desmume
mirror of https://github.com/TASEmulators/desmume.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

_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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
desmume/src/GPU.c
View File

@ -127,8 +127,10 @@ void GPU_DeInit(GPU * gpu)
void GPU_setVideoProp(GPU * gpu, u32 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)
{
@ -137,7 +139,8 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
case 1: // Display BG and OBJ layers
break;
case 2: // Display framebuffer
gpu->vramBlock = DISPCNT_VRAMBLOCK(p) ;
// gpu->vramBlock = DISPCNT_VRAMBLOCK(p) ;
gpu->vramBlock = cnt->FrameBufferSelect;
return;
case 3: // Display from Main RAM
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;
if(DISPCNT_OBJMAPING1D(p))
if(cnt->SpriteMode & 0x1)
{
/* 1-d sprite mapping */
@ -172,14 +175,14 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
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, 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, 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->BGIndex[3] = 1;
@ -190,7 +193,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->BGIndex[3] = 0;
}
if(DISPCNT_BG2ENABLED(p) && gpu->dispBG[2])
if(cnt->BG2_Enable && gpu->dispBG[2])
{
if(gpu->nbBGActif)
{
@ -221,7 +224,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
gpu->BGIndex[2] = 0;
}
if(DISPCNT_BG1ENABLED(p) && gpu->dispBG[1])
if(cnt->BG1_Enable && gpu->dispBG[1])
{
if(gpu->nbBGActif == 0)
{
@ -248,7 +251,7 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
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)
{
@ -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_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)))
@ -411,8 +414,8 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
return;
}*/
gpu->BGSize[num][0] = sizeTab[mode2type[DISPCNT_MODE(gpu->prop)][num]][BGCNT_SCREENSIZE(p)][0];
gpu->BGSize[num][1] = sizeTab[mode2type[DISPCNT_MODE(gpu->prop)][num]][BGCNT_SCREENSIZE(p)][1];
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];
}
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;
}
if(!DISPCNT_USEEXTPAL(gpu->prop)) /* color: no extended palette */
if(!((_DISPCNT_*)(&(gpu->prop)))->ExBGPalette_Enable) /* color: no extended palette */
{
yoff = ((Y&7)<<3);
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_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_BG0ENABLED(val) (((val) >> 8) & 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
// attr0
unsigned Y: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)
unsigned Mosaic:1; // (1: Enabled)
unsigned Depth:1; // (0: 16, 1: 256)
unsigned Shape:2; // (00: Square, 01: Wide, 10: Tall, 11: Illegal)
/*0*/ unsigned Y:8;
/*8*/ unsigned RotScale:2; // (00: Normal, 01: Rot/scale, 10: Disabled, 11: Double-size rot/scale)
/*10*/ unsigned Mode:2; // (00: Normal, 01: Transparent, 10: Object window, 11: Bitmap)
/*12*/ unsigned Mosaic:1; // (1: Enabled)
/*13*/ unsigned Depth:1; // (0: 16, 1: 256)
/*14*/ unsigned Shape:2; // (00: Square, 01: Wide, 10: Tall, 11: Illegal)
// attr1
unsigned X:9;
unsigned RotScalIndex:3; // Rot/scale matrix index
unsigned HFlip:1;
unsigned VFlip:1;
unsigned Size:2;
/*0*/ signed X:9;
/*9*/ unsigned RotScalIndex:3; // Rot/scale matrix index
/*12*/ unsigned HFlip:1;
/*13*/ unsigned VFlip:1;
/*14*/ unsigned Size:2;
// attr2
unsigned TileIndex:10;
unsigned Priority:2;
unsigned PaletteIndex:4;
/*0*/ unsigned TileIndex:10;
/*10*/ unsigned Priority:2;
/*12*/ unsigned PaletteIndex:4;
// attr3
unsigned attr3:16;
} _OAM_;