piwalker/melonDS
1
0
Fork 0
mirror of https://github.com/melonDS-emu/melonDS.git synced 2024-11-14 13:27:41 -07:00
Code Issues Actions Packages Projects Releases Wiki Activity

correct VRAM emulation.

Browse Source 
there is room for optimizations esp. in the GPU drawing routines.
This commit is contained in:
StapleButter 2017-02-27 21:26:11 +01:00
parent dadf1eb5a5
commit 8c2572e354
7 changed files with 776 additions and 616 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

555
GPU.cpp
View File

@ -50,17 +50,37 @@ u8* VRAM[9] = {VRAM_A, VRAM_B, VRAM_C, VRAM_D, VRAM_E, VRAM_F, VRAM_G, VRAM_H, V
u8 VRAMCNT[9];
u8 VRAMSTAT;
u8* VRAM_ABG[128];
//u32 VRAM_Base[9];
//u32 VRAM_Mask[9];
u32 VRAMMap_LCDC;
u32 VRAMMap_ABG[0x20];
u32 VRAMMap_AOBJ[0x10];
u32 VRAMMap_BBG[0x8];
u32 VRAMMap_BOBJ[0x8];
u32 VRAMMap_ABGExtPal[4];
u32 VRAMMap_AOBJExtPal;
u32 VRAMMap_BBGExtPal[4];
u32 VRAMMap_BOBJExtPal;
u32 VRAMMap_Texture[4];
u32 VRAMMap_TexPal[6];
u32 VRAMMap_ARM7[2];
/*u8* VRAM_ABG[128];
u8* VRAM_AOBJ[128];
u8* VRAM_BBG[128];
u8* VRAM_BOBJ[128];
u8* VRAM_LCD[128];
u8* VRAM_ARM7[2];
u8* VRAM_LCD[128];*/
/*u8* VRAM_ARM7[2];
u8* VRAM_ABGExtPal[4];
u8* VRAM_AOBJExtPal;
u8* VRAM_BBGExtPal[4];
u8* VRAM_BOBJExtPal;
u8* VRAM_BOBJExtPal;*/
u32 Framebuffer[256*192*2];
@ -109,17 +129,38 @@ void Reset()
memset(VRAMCNT, 0, 9);
VRAMSTAT = 0;
memset(VRAM_ABG, 0, sizeof(u8*)*128);
VRAMMap_LCDC = 0;
memset(VRAMMap_ABG, 0, sizeof(VRAMMap_ABG));
memset(VRAMMap_AOBJ, 0, sizeof(VRAMMap_AOBJ));
memset(VRAMMap_BBG, 0, sizeof(VRAMMap_BBG));
memset(VRAMMap_BOBJ, 0, sizeof(VRAMMap_BOBJ));
memset(VRAMMap_ABGExtPal, 0, sizeof(VRAMMap_ABGExtPal));
VRAMMap_AOBJExtPal = 0;
memset(VRAMMap_BBGExtPal, 0, sizeof(VRAMMap_BBGExtPal));
VRAMMap_BOBJExtPal = 0;
memset(VRAMMap_Texture, 0, sizeof(VRAMMap_Texture));
memset(VRAMMap_TexPal, 0, sizeof(VRAMMap_TexPal));
VRAMMap_ARM7[0] = 0;
VRAMMap_ARM7[1] = 0;
//memset(VRAM_Base, 0, sizeof(VRAM_Base));
//memset(VRAM_Mask, 0, sizeof(VRAM_Mask));
/*memset(VRAM_ABG, 0, sizeof(u8*)*128);
memset(VRAM_AOBJ, 0, sizeof(u8*)*128);
memset(VRAM_BBG, 0, sizeof(u8*)*128);
memset(VRAM_BOBJ, 0, sizeof(u8*)*128);
memset(VRAM_LCD, 0, sizeof(u8*)*128);
memset(VRAM_ARM7, 0, sizeof(u8*)*2);
memset(VRAM_LCD, 0, sizeof(u8*)*128);*/
/*memset(VRAM_ARM7, 0, sizeof(u8*)*2);
memset(VRAM_ABGExtPal, 0, sizeof(u8*)*4);
VRAM_AOBJExtPal = NULL;
memset(VRAM_BBGExtPal, 0, sizeof(u8*)*4);
VRAM_BOBJExtPal = NULL;
VRAM_BOBJExtPal = NULL;*/
for (int i = 0; i < 256*192*2; i++)
{
@ -165,6 +206,9 @@ void Reset()
// when reading: values are read from each bank and ORed together
// when writing: value is written to each bank
#define MAP_RANGE(map, base, n) for (int i = 0; i < n; i++) map[(base)+i] |= bankmask;
#define UNMAP_RANGE(map, base, n) for (int i = 0; i < n; i++) map[(base)+i] &= ~bankmask;
void MapVRAM_AB(u32 bank, u8 cnt)
{
u8 oldcnt = VRAMCNT[bank];
@ -174,81 +218,52 @@ void MapVRAM_AB(u32 bank, u8 cnt)
u8 oldofs = (oldcnt >> 3) & 0x3;
u8 ofs = (cnt >> 3) & 0x3;
u8* vram = VRAM[bank];
u32 bankmask = 1 << bank;
if (oldcnt & (1<<7))
{
u8** vrammap = NULL;
switch (oldcnt & 0x3)
{
case 0:
vrammap = &VRAM_LCD[bank<<3];
case 0: // LCDC
VRAMMap_LCDC &= ~bankmask;
break;
case 1:
vrammap = &VRAM_ABG[oldofs<<3];
case 1: // ABG
UNMAP_RANGE(VRAMMap_ABG, oldofs<<3, 8);
break;
case 2:
case 2: // AOBJ
oldofs &= 0x1;
vrammap = &VRAM_AOBJ[oldofs<<3];
UNMAP_RANGE(VRAMMap_AOBJ, oldofs<<3, 8);
break;
case 3:
// not mapped to memory
case 3: // texture
VRAMMap_Texture[oldofs] &= ~bankmask;
break;
}
if (vrammap && *vrammap == vram)
{
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap = NULL;
}
}
if (cnt & (1<<7))
{
u8** vrammap = NULL;
switch (cnt & 0x3)
{
case 0:
vrammap = &VRAM_LCD[bank<<3];
case 0: // LCDC
VRAMMap_LCDC |= bankmask;
break;
case 1:
vrammap = &VRAM_ABG[ofs<<3];
case 1: // ABG
MAP_RANGE(VRAMMap_ABG, ofs<<3, 8);
break;
case 2:
case 2: // AOBJ
ofs &= 0x1;
vrammap = &VRAM_AOBJ[ofs<<3];
MAP_RANGE(VRAMMap_AOBJ, ofs<<3, 8);
break;
case 3:
// not mapped to memory
case 3: // texture
VRAMMap_Texture[ofs] |= bankmask;
break;
}
if (vrammap)
{
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap = vram;
}
}
}
@ -263,95 +278,74 @@ void MapVRAM_CD(u32 bank, u8 cnt)
u8 oldofs = (oldcnt >> 3) & 0x7;
u8 ofs = (cnt >> 3) & 0x7;
u8* vram = VRAM[bank];
u32 bankmask = 1 << bank;
if (oldcnt & (1<<7))
{
u8** vrammap = NULL;
switch (oldcnt & 0x7)
{
case 0:
vrammap = &VRAM_LCD[bank<<3];
case 0: // LCDC
VRAMMap_LCDC &= ~bankmask;
break;
case 1:
vrammap = &VRAM_ABG[oldofs<<3];
case 1: // ABG
UNMAP_RANGE(VRAMMap_ABG, oldofs<<3, 8);
break;
case 2:
case 2: // ARM7 VRAM
oldofs &= 0x1;
VRAM_ARM7[oldofs] = NULL;
VRAMMap_ARM7[oldofs] &= ~bankmask;
break;
case 3:
// not mapped to memory
case 3: // texture
VRAMMap_Texture[oldofs] &= ~bankmask;
break;
case 4:
case 4: // BBG/BOBJ
if (bank == 2)
vrammap = &VRAM_BBG[0];
else
vrammap = &VRAM_BOBJ[0];
break;
}
if (vrammap && *vrammap == vram)
{
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap = NULL;
UNMAP_RANGE(VRAMMap_BBG, 0, 8);
}
else
{
UNMAP_RANGE(VRAMMap_BOBJ, 0, 8);
}
break;
}
}
if (cnt & (1<<7))
{
u8** vrammap = NULL;
switch (cnt & 0x7)
{
case 0:
vrammap = &VRAM_LCD[bank<<3];
case 0: // LCDC
VRAMMap_LCDC |= bankmask;
break;
case 1:
vrammap = &VRAM_ABG[ofs<<3];
case 1: // ABG
MAP_RANGE(VRAMMap_ABG, ofs<<3, 8);
break;
case 2:
case 2: // ARM7 VRAM
ofs &= 0x1;
VRAM_ARM7[ofs] = vram;
VRAMMap_ARM7[ofs] |= bankmask;
VRAMSTAT |= (1 << (bank-2));
break;
case 3:
// not mapped to memory
case 3: // texture
VRAMMap_Texture[ofs] |= bankmask;
break;
case 4:
case 4: // BBG/BOBJ
if (bank == 2)
vrammap = &VRAM_BBG[0];
else
vrammap = &VRAM_BOBJ[0];
break;
}
if (vrammap)
{
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap++ = vram; vram += 0x4000;
*vrammap = vram;
MAP_RANGE(VRAMMap_BBG, 0, 8);
}
else
{
MAP_RANGE(VRAMMap_BOBJ, 0, 8);
}
break;
}
}
}
@ -363,105 +357,62 @@ void MapVRAM_E(u32 bank, u8 cnt)
if (oldcnt == cnt) return;
u8 oldofs = (oldcnt >> 3) & 0x7;
u8 ofs = (cnt >> 3) & 0x7;
u8* vram = VRAM[bank];
u32 bankmask = 1 << bank;
if (oldcnt & (1<<7))
{
u8** vrammap = NULL;
switch (oldcnt & 0x7)
{
case 0:
VRAM_LCD[0x20] = NULL;
VRAM_LCD[0x21] = NULL;
VRAM_LCD[0x22] = NULL;
VRAM_LCD[0x23] = NULL;
case 0: // LCDC
VRAMMap_LCDC &= ~bankmask;
break;
case 1:
vrammap = &VRAM_ABG[0];
case 1: // ABG
UNMAP_RANGE(VRAMMap_ABG, 0, 4);
break;
case 2:
vrammap = &VRAM_AOBJ[0];
case 2: // AOBJ
UNMAP_RANGE(VRAMMap_AOBJ, 0, 4);
break;
case 3:
// not mapped to memory
case 3: // texture palette
UNMAP_RANGE(VRAMMap_TexPal, 0, 4);
break;
case 4:
VRAM_ABGExtPal[0] = NULL;
VRAM_ABGExtPal[1] = NULL;
VRAM_ABGExtPal[2] = NULL;
VRAM_ABGExtPal[3] = NULL;
case 4: // ABG ext palette
UNMAP_RANGE(VRAMMap_ABGExtPal, 0, 4);
GPU2D_A->BGExtPalDirty(0);
GPU2D_A->BGExtPalDirty(2);
break;
}
if (vrammap && *vrammap == vram)
{
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
}
else if (vrammap) vrammap += 4;
if (vrammap && *vrammap == vram)
{
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap++ = NULL;
*vrammap = NULL;
}
}
if (cnt & (1<<7))
{
u8** vrammap = NULL;
switch (cnt & 0x7)
{
case 0:
VRAM_LCD[0x20] = &vram[0x0000];
VRAM_LCD[0x21] = &vram[0x4000];
VRAM_LCD[0x22] = &vram[0x8000];
VRAM_LCD[0x23] = &vram[0xC000];
case 0: // LCDC
VRAMMap_LCDC |= bankmask;
break;
case 1:
vrammap = &VRAM_ABG[0];
case 1: // ABG
MAP_RANGE(VRAMMap_ABG, 0, 4);
break;
case 2:
vrammap = &VRAM_AOBJ[0];
case 2: // AOBJ
MAP_RANGE(VRAMMap_AOBJ, 0, 4);
break;
case 3:
// not mapped to memory
case 3: // texture palette
MAP_RANGE(VRAMMap_TexPal, 0, 4);
break;
case 4:
VRAM_ABGExtPal[0] = &vram[0x0000];
VRAM_ABGExtPal[1] = &vram[0x2000];
VRAM_ABGExtPal[2] = &vram[0x4000];
VRAM_ABGExtPal[3] = &vram[0x6000];
case 4: // ABG ext palette
MAP_RANGE(VRAMMap_ABGExtPal, 0, 4);
GPU2D_A->BGExtPalDirty(0);
GPU2D_A->BGExtPalDirty(2);
break;
}
if (vrammap)
{
*vrammap++ = &vram[0x0000];
*vrammap++ = &vram[0x4000];
*vrammap++ = &vram[0x8000];
*vrammap++ = &vram[0xC000];
*vrammap++ = &vram[0x0000];
*vrammap++ = &vram[0x4000];
*vrammap++ = &vram[0x8000];
*vrammap = &vram[0xC000];
}
}
}
@ -474,98 +425,78 @@ void MapVRAM_FG(u32 bank, u8 cnt)
u8 oldofs = (oldcnt >> 3) & 0x7;
u8 ofs = (cnt >> 3) & 0x7;
u8* vram = VRAM[bank];
bank -= 5;
u32 bankmask = 1 << bank;
if (oldcnt & (1<<7))
{
u8** vrammap = NULL;
switch (oldcnt & 0x7)
{
case 0:
VRAM_LCD[0x24 + bank] = NULL;
case 0: // LCDC
VRAMMap_LCDC &= ~bankmask;
break;
case 1:
vrammap = &VRAM_ABG[(oldofs & 0x1) | ((oldofs & 0x2) << 1)];
case 1: // ABG
VRAMMap_ABG[(oldofs & 0x1) + ((oldofs & 0x2) << 1)] &= ~bankmask;
VRAMMap_ABG[(oldofs & 0x1) + ((oldofs & 0x2) << 1) + 2] &= ~bankmask;
break;
case 2:
vrammap = &VRAM_AOBJ[(oldofs & 0x1) | ((oldofs & 0x2) << 1)];
case 2: // AOBJ
VRAMMap_AOBJ[(oldofs & 0x1) + ((oldofs & 0x2) << 1)] &= ~bankmask;
VRAMMap_AOBJ[(oldofs & 0x1) + ((oldofs & 0x2) << 1) + 2] &= ~bankmask;
break;
case 3:
// not mapped to memory
case 3: // texture palette
VRAMMap_TexPal[(oldofs & 0x1) + ((oldofs & 0x2) << 1)] &= ~bankmask;
break;
case 4:
VRAM_ABGExtPal[(oldofs<<1)+0] = NULL;
VRAM_ABGExtPal[(oldofs<<1)+1] = NULL;
case 4: // ABG ext palette
VRAMMap_ABGExtPal[((oldofs & 0x1) << 1)] &= ~bankmask;
VRAMMap_ABGExtPal[((oldofs & 0x1) << 1) + 1] &= ~bankmask;
GPU2D_A->BGExtPalDirty(0);
GPU2D_A->BGExtPalDirty(2);
break;
case 5:
VRAM_AOBJExtPal = NULL;
case 5: // AOBJ ext palette
VRAMMap_AOBJExtPal &= ~bankmask;
GPU2D_A->OBJExtPalDirty();
break;
}
if (vrammap)
{
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap = NULL;
}
}
if (cnt & (1<<7))
{
u8** vrammap = NULL;
switch (cnt & 0x7)
{
case 0:
VRAM_LCD[0x24 + bank] = vram;
case 0: // LCDC
VRAMMap_LCDC |= bankmask;
break;
case 1:
vrammap = &VRAM_ABG[(ofs & 0x1) | ((ofs & 0x2) << 1)];
case 1: // ABG
VRAMMap_ABG[(ofs & 0x1) + ((ofs & 0x2) << 1)] |= bankmask;
VRAMMap_ABG[(ofs & 0x1) + ((ofs & 0x2) << 1) + 2] |= bankmask;
break;
case 2:
vrammap = &VRAM_AOBJ[(ofs & 0x1) | ((ofs & 0x2) << 1)];
case 2: // AOBJ
VRAMMap_AOBJ[(ofs & 0x1) + ((ofs & 0x2) << 1)] |= bankmask;
VRAMMap_AOBJ[(ofs & 0x1) + ((ofs & 0x2) << 1) + 2] |= bankmask;
break;
case 3:
// not mapped to memory
case 3: // texture palette
VRAMMap_TexPal[(ofs & 0x1) + ((ofs & 0x2) << 1)] |= bankmask;
break;
case 4:
VRAM_ABGExtPal[(ofs<<1)+0] = &vram[0x0000];
VRAM_ABGExtPal[(ofs<<1)+1] = &vram[0x2000];
case 4: // ABG ext palette
VRAMMap_ABGExtPal[((ofs & 0x1) << 1)] |= bankmask;
VRAMMap_ABGExtPal[((ofs & 0x1) << 1) + 1] |= bankmask;
GPU2D_A->BGExtPalDirty(0);
GPU2D_A->BGExtPalDirty(2);
break;
case 5:
VRAM_AOBJExtPal = vram;
case 5: // AOBJ ext palette
VRAMMap_AOBJExtPal |= bankmask;
GPU2D_A->OBJExtPalDirty();
break;
}
if (vrammap)
{
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap = vram;
}
}
}
@ -576,90 +507,52 @@ void MapVRAM_H(u32 bank, u8 cnt)
if (oldcnt == cnt) return;
u8 oldofs = (oldcnt >> 3) & 0x7;
u8 ofs = (cnt >> 3) & 0x7;
u8* vram = VRAM[bank];
u32 bankmask = 1 << bank;
if (oldcnt & (1<<7))
{
u8** vrammap = NULL;
switch (oldcnt & 0x3)
{
case 0:
VRAM_LCD[0x26] = NULL;
VRAM_LCD[0x27] = NULL;
case 0: // LCDC
VRAMMap_LCDC &= ~bankmask;
break;
case 1:
vrammap = &VRAM_BBG[0x00];
case 1: // BBG
VRAMMap_BBG[0] &= ~bankmask;
VRAMMap_BBG[1] &= ~bankmask;
VRAMMap_BBG[4] &= ~bankmask;
VRAMMap_BBG[5] &= ~bankmask;
break;
case 2:
VRAM_BBGExtPal[0] = NULL;
VRAM_BBGExtPal[1] = NULL;
VRAM_BBGExtPal[2] = NULL;
VRAM_BBGExtPal[3] = NULL;
case 2: // BBG ext palette
UNMAP_RANGE(VRAMMap_BBGExtPal, 0, 4);
GPU2D_B->BGExtPalDirty(0);
GPU2D_B->BGExtPalDirty(2);
break;
}
if (vrammap && *vrammap == vram)
{
*vrammap++ = NULL;
*vrammap++ = NULL;
} else if (vrammap) vrammap += 2;
if (vrammap && *vrammap == vram)
{
*vrammap++ = NULL;
*vrammap++ = NULL;
} else if (vrammap) vrammap += 2;
if (vrammap && *vrammap == vram)
{
*vrammap++ = NULL;
*vrammap++ = NULL;
} else if (vrammap) vrammap += 2;
if (vrammap && *vrammap == vram)
{
*vrammap++ = NULL;
*vrammap = NULL;
}
}
if (cnt & (1<<7))
{
u8** vrammap = NULL;
switch (cnt & 0x3)
{
case 0:
VRAM_LCD[0x26] = &vram[0x0000];
VRAM_LCD[0x27] = &vram[0x4000];
case 0: // LCDC
VRAMMap_LCDC |= bankmask;
break;
case 1:
vrammap = &VRAM_BBG[0x00];
case 1: // BBG
VRAMMap_BBG[0] |= bankmask;
VRAMMap_BBG[1] |= bankmask;
VRAMMap_BBG[4] |= bankmask;
VRAMMap_BBG[5] |= bankmask;
break;
case 2:
VRAM_BBGExtPal[0] = &vram[0x0000];
VRAM_BBGExtPal[1] = &vram[0x2000];
VRAM_BBGExtPal[2] = &vram[0x4000];
VRAM_BBGExtPal[3] = &vram[0x6000];
case 2: // BBG ext palette
MAP_RANGE(VRAMMap_BBGExtPal, 0, 4);
GPU2D_B->BGExtPalDirty(0);
GPU2D_B->BGExtPalDirty(2);
break;
}
if (vrammap)
{
*vrammap++ = &vram[0x0000];
*vrammap++ = &vram[0x4000];
*vrammap++ = &vram[0x0000];
*vrammap++ = &vram[0x4000];
*vrammap++ = &vram[0x0000];
*vrammap++ = &vram[0x4000];
*vrammap++ = &vram[0x0000];
*vrammap = &vram[0x4000];
}
}
}
@ -670,82 +563,58 @@ void MapVRAM_I(u32 bank, u8 cnt)
if (oldcnt == cnt) return;
u8 oldofs = (oldcnt >> 3) & 0x7;
u8 ofs = (cnt >> 3) & 0x7;
u8* vram = VRAM[bank];
bank -= 5;
u32 bankmask = 1 << bank;
if (oldcnt & (1<<7))
{
u8** vrammap = NULL;
switch (oldcnt & 0x3)
{
case 0:
VRAM_LCD[0x28] = NULL;
case 0: // LCDC
VRAMMap_LCDC &= ~bankmask;
break;
case 1:
vrammap = &VRAM_BBG[0x02];
case 1: // BBG
VRAMMap_BBG[2] &= ~bankmask;
VRAMMap_BBG[3] &= ~bankmask;
VRAMMap_BBG[6] &= ~bankmask;
VRAMMap_BBG[7] &= ~bankmask;
break;
case 2:
vrammap = &VRAM_BOBJ[0x00];
case 2: // BOBJ
UNMAP_RANGE(VRAMMap_BOBJ, 0, 8);
break;
case 3:
VRAM_BOBJExtPal = NULL;
case 3: // BOBJ ext palette
VRAMMap_BOBJExtPal &= ~bankmask;
GPU2D_B->OBJExtPalDirty();
break;
}
if (vrammap)
{
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap++ = NULL; else vrammap++;
if (*vrammap == vram) *vrammap = NULL;
}
}
if (cnt & (1<<7))
{
u8** vrammap = NULL;
switch (cnt & 0x3)
{
case 0:
VRAM_LCD[0x28] = vram;
case 0: // LCDC
VRAMMap_LCDC |= bankmask;
break;
case 1:
vrammap = &VRAM_BBG[0x02];
case 1: // BBG
VRAMMap_BBG[2] |= bankmask;
VRAMMap_BBG[3] |= bankmask;
VRAMMap_BBG[6] |= bankmask;
VRAMMap_BBG[7] |= bankmask;
break;
case 2:
vrammap = &VRAM_BOBJ[0x00];
case 2: // BOBJ
MAP_RANGE(VRAMMap_BOBJ, 0, 8);
break;
case 3:
VRAM_BOBJExtPal = vram;
case 3: // BOBJ ext palette
VRAMMap_BOBJExtPal |= bankmask;
GPU2D_B->OBJExtPalDirty();
break;
}
if (vrammap)
{
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap++ = vram;
*vrammap = vram;
}
}
}

311
GPU.h
View File

@ -35,18 +35,30 @@ extern u8 VRAMSTAT;
extern u8 Palette[2*1024];
extern u8 OAM[2*1024];
extern u8* VRAM[9];
extern u8* VRAM_ABG[128];
extern u8* VRAM_AOBJ[128];
extern u8* VRAM_BBG[128];
extern u8* VRAM_BOBJ[128];
extern u8* VRAM_LCD[128];
extern u8* VRAM_ARM7[2];
extern u8 VRAM_A[128*1024];
extern u8 VRAM_B[128*1024];
extern u8 VRAM_C[128*1024];
extern u8 VRAM_D[128*1024];
extern u8 VRAM_E[ 64*1024];
extern u8 VRAM_F[ 16*1024];
extern u8 VRAM_G[ 16*1024];
extern u8 VRAM_H[ 32*1024];
extern u8 VRAM_I[ 16*1024];
extern u8* VRAM_ABGExtPal[4];
extern u8* VRAM_AOBJExtPal;
extern u8* VRAM_BBGExtPal[4];
extern u8* VRAM_BOBJExtPal;
extern u8* VRAM[9];
extern u32 VRAMMap_LCDC;
extern u32 VRAMMap_ABG[0x20];
extern u32 VRAMMap_AOBJ[0x10];
extern u32 VRAMMap_BBG[0x8];
extern u32 VRAMMap_BOBJ[0x8];
extern u32 VRAMMap_ABGExtPal[4];
extern u32 VRAMMap_AOBJExtPal;
extern u32 VRAMMap_BBGExtPal[4];
extern u32 VRAMMap_BOBJExtPal;
extern u32 VRAMMap_Texture[4];
extern u32 VRAMMap_TexPal[6];
extern u32 VRAMMap_ARM7[2];
extern u32 Framebuffer[256*192*2];
@ -65,6 +77,283 @@ void MapVRAM_FG(u32 bank, u8 cnt);
void MapVRAM_H(u32 bank, u8 cnt);
void MapVRAM_I(u32 bank, u8 cnt);
template<typename T>
T ReadVRAM_LCDC(u32 addr)
{
int bank;
switch (addr & 0xFF8FC000)
{
case 0x06800000: case 0x06804000: case 0x06808000: case 0x0680C000:
case 0x06810000: case 0x06814000: case 0x06818000: case 0x0681C000:
bank = 0;
addr &= 0x1FFFF;
break;
case 0x06820000: case 0x06824000: case 0x06828000: case 0x0682C000:
case 0x06830000: case 0x06834000: case 0x06838000: case 0x0683C000:
bank = 1;
addr &= 0x1FFFF;
break;
case 0x06840000: case 0x06844000: case 0x06848000: case 0x0684C000:
case 0x06850000: case 0x06854000: case 0x06858000: case 0x0685C000:
bank = 2;
addr &= 0x1FFFF;
break;
case 0x06860000: case 0x06864000: case 0x06868000: case 0x0686C000:
case 0x06870000: case 0x06874000: case 0x06878000: case 0x0687C000:
bank = 3;
addr &= 0x1FFFF;
break;
case 0x06880000: case 0x06884000: case 0x06888000: case 0x0688C000:
bank = 4;
addr &= 0xFFFF;
break;
case 0x06890000:
bank = 5;
addr &= 0x3FFF;
break;
case 0x06894000:
bank = 6;
addr &= 0x3FFF;
break;
case 0x06898000:
case 0x0689C000:
bank = 7;
addr &= 0x7FFF;
break;
case 0x068A0000:
bank = 8;
addr &= 0x3FFF;
break;
default: return 0;
}
if (VRAMMap_LCDC & (1<<bank)) return *(T*)&VRAM[bank][addr];
return 0;
}
template<typename T>
void WriteVRAM_LCDC(u32 addr, T val)
{
int bank;
switch (addr & 0xFF8FC000)
{
case 0x06800000: case 0x06804000: case 0x06808000: case 0x0680C000:
case 0x06810000: case 0x06814000: case 0x06818000: case 0x0681C000:
bank = 0;
addr &= 0x1FFFF;
break;
case 0x06820000: case 0x06824000: case 0x06828000: case 0x0682C000:
case 0x06830000: case 0x06834000: case 0x06838000: case 0x0683C000:
bank = 1;
addr &= 0x1FFFF;
break;
case 0x06840000: case 0x06844000: case 0x06848000: case 0x0684C000:
case 0x06850000: case 0x06854000: case 0x06858000: case 0x0685C000:
bank = 2;
addr &= 0x1FFFF;
break;
case 0x06860000: case 0x06864000: case 0x06868000: case 0x0686C000:
case 0x06870000: case 0x06874000: case 0x06878000: case 0x0687C000:
bank = 3;
addr &= 0x1FFFF;
break;
case 0x06880000: case 0x06884000: case 0x06888000: case 0x0688C000:
bank = 4;
addr &= 0xFFFF;
break;
case 0x06890000:
bank = 5;
addr &= 0x3FFF;
break;
case 0x06894000:
bank = 6;
addr &= 0x3FFF;
break;
case 0x06898000:
case 0x0689C000:
bank = 7;
addr &= 0x7FFF;
break;
case 0x068A0000:
bank = 8;
addr &= 0x3FFF;
break;
default: return;
}
if (VRAMMap_LCDC & (1<<bank)) *(T*)&VRAM[bank][addr] = val;
}
template<typename T>
T ReadVRAM_ABG(u32 addr)
{
u32 ret = 0;
u32 mask = VRAMMap_ABG[(addr >> 14) & 0x1F];
if (mask & (1<<0)) ret |= *(T*)&VRAM_A[addr & 0x1FFFF];
if (mask & (1<<1)) ret |= *(T*)&VRAM_B[addr & 0x1FFFF];
if (mask & (1<<2)) ret |= *(T*)&VRAM_C[addr & 0x1FFFF];
if (mask & (1<<3)) ret |= *(T*)&VRAM_D[addr & 0x1FFFF];
if (mask & (1<<4)) ret |= *(T*)&VRAM_E[addr & 0xFFFF];
if (mask & (1<<5)) ret |= *(T*)&VRAM_F[addr & 0x3FFF];
if (mask & (1<<6)) ret |= *(T*)&VRAM_G[addr & 0x3FFF];
return ret;
}
template<typename T>
void WriteVRAM_ABG(u32 addr, T val)
{
u32 mask = VRAMMap_ABG[(addr >> 14) & 0x1F];
if (mask & (1<<0)) *(T*)&VRAM_A[addr & 0x1FFFF] = val;
if (mask & (1<<1)) *(T*)&VRAM_B[addr & 0x1FFFF] = val;
if (mask & (1<<2)) *(T*)&VRAM_C[addr & 0x1FFFF] = val;
if (mask & (1<<3)) *(T*)&VRAM_D[addr & 0x1FFFF] = val;
if (mask & (1<<4)) *(T*)&VRAM_E[addr & 0xFFFF] = val;
if (mask & (1<<5)) *(T*)&VRAM_F[addr & 0x3FFF] = val;
if (mask & (1<<6)) *(T*)&VRAM_G[addr & 0x3FFF] = val;
}
template<typename T>
T ReadVRAM_AOBJ(u32 addr)
{
u32 ret = 0;
u32 mask = VRAMMap_AOBJ[(addr >> 14) & 0xF];
if (mask & (1<<0)) ret |= *(T*)&VRAM_A[addr & 0x1FFFF];
if (mask & (1<<1)) ret |= *(T*)&VRAM_B[addr & 0x1FFFF];
if (mask & (1<<4)) ret |= *(T*)&VRAM_E[addr & 0xFFFF];
if (mask & (1<<5)) ret |= *(T*)&VRAM_F[addr & 0x3FFF];
if (mask & (1<<6)) ret |= *(T*)&VRAM_G[addr & 0x3FFF];
return ret;
}
template<typename T>
void WriteVRAM_AOBJ(u32 addr, T val)
{
u32 mask = VRAMMap_AOBJ[(addr >> 14) & 0xF];
if (mask & (1<<0)) *(T*)&VRAM_A[addr & 0x1FFFF] = val;
if (mask & (1<<1)) *(T*)&VRAM_B[addr & 0x1FFFF] = val;
if (mask & (1<<4)) *(T*)&VRAM_E[addr & 0xFFFF] = val;
if (mask & (1<<5)) *(T*)&VRAM_F[addr & 0x3FFF] = val;
if (mask & (1<<6)) *(T*)&VRAM_G[addr & 0x3FFF] = val;
}
template<typename T>
T ReadVRAM_BBG(u32 addr)
{
u32 ret = 0;
u32 mask = VRAMMap_BBG[(addr >> 14) & 0x7];
if (mask & (1<<2)) ret |= *(T*)&VRAM_C[addr & 0x1FFFF];
if (mask & (1<<7)) ret |= *(T*)&VRAM_H[addr & 0x7FFF];
if (mask & (1<<8)) ret |= *(T*)&VRAM_I[addr & 0x3FFF];
return ret;
}
template<typename T>
void WriteVRAM_BBG(u32 addr, T val)
{
u32 mask = VRAMMap_BBG[(addr >> 14) & 0x7];
if (mask & (1<<2)) *(T*)&VRAM_C[addr & 0x1FFFF] = val;
if (mask & (1<<7)) *(T*)&VRAM_H[addr & 0x7FFF] = val;
if (mask & (1<<8)) *(T*)&VRAM_I[addr & 0x3FFF] = val;
}
template<typename T>
T ReadVRAM_BOBJ(u32 addr)
{
u32 ret = 0;
u32 mask = VRAMMap_BOBJ[(addr >> 14) & 0x7];
if (mask & (1<<3)) ret |= *(T*)&VRAM_D[addr & 0x1FFFF];
if (mask & (1<<8)) ret |= *(T*)&VRAM_I[addr & 0x3FFF];
return ret;
}
template<typename T>
void WriteVRAM_BOBJ(u32 addr, T val)
{
u32 mask = VRAMMap_BOBJ[(addr >> 14) & 0x7];
if (mask & (1<<3)) *(T*)&VRAM_D[addr & 0x1FFFF] = val;
if (mask & (1<<8)) *(T*)&VRAM_I[addr & 0x3FFF] = val;
}
template<typename T>
T ReadVRAM_ARM7(u32 addr)
{
u32 ret = 0;
u32 mask = VRAMMap_ARM7[(addr >> 17) & 0x1];
if (mask & (1<<2)) ret |= *(T*)&VRAM_C[addr & 0x1FFFF];
if (mask & (1<<3)) ret |= *(T*)&VRAM_D[addr & 0x1FFFF];
return ret;
}
template<typename T>
void WriteVRAM_ARM7(u32 addr, T val)
{
u32 mask = VRAMMap_BOBJ[(addr >> 17) & 0x1];
if (mask & (1<<2)) *(T*)&VRAM_C[addr & 0x1FFFF] = val;
if (mask & (1<<3)) *(T*)&VRAM_D[addr & 0x1FFFF] = val;
}
template<typename T>
T ReadVRAM_BG(u32 addr)
{
if ((addr & 0xFFE00000) == 0x06000000)
return ReadVRAM_ABG<T>(addr);
else
return ReadVRAM_BBG<T>(addr);
}
template<typename T>
T ReadVRAM_OBJ(u32 addr)
{
if ((addr & 0xFFE00000) == 0x06400000)
return ReadVRAM_AOBJ<T>(addr);
else
return ReadVRAM_BOBJ<T>(addr);
}
void DisplaySwap(u32 val);
void StartFrame();

325
GPU2D.cpp
View File

@ -35,6 +35,8 @@
// oh also, changing DISPCNT bit16-17 midframe doesn't work (ignored? applied for next frame?)
// TODO, eventually: check whether other DISPCNT bits can be changed midframe
//
// for VRAM display mode, VRAM must be mapped to LCDC
//
// sprite blending rules
// * destination must be selected as 2nd target
// * sprite must be semitransparent or bitmap sprite
@ -80,6 +82,12 @@ void GPU2D::Reset()
memset(BGRotB, 0, 2*2);
memset(BGRotC, 0, 2*2);
memset(BGRotD, 0, 2*2);
BGExtPalStatus[0] = 0;
BGExtPalStatus[1] = 0;
BGExtPalStatus[2] = 0;
BGExtPalStatus[3] = 0;
OBJExtPalStatus = 0;
}
void GPU2D::SetFramebuffer(u32* buf)
@ -224,8 +232,11 @@ void GPU2D::DrawScanline(u32 line)
case 2: // VRAM display
{
u32* vram = (u32*)GPU::VRAM[(DispCnt >> 18) & 0x3];
vram = &vram[line << 7];
u32 vrambank = (DispCnt >> 18) & 0x3;
if (GPU::VRAMMap_LCDC & (1<<vrambank))
{
u16* vram = (u16*)GPU::VRAM[vrambank];
vram = &vram[line * 256];
for (int i = 0; i < 256; i++)
{
@ -237,6 +248,14 @@ void GPU2D::DrawScanline(u32 line)
dst[i] = r | (g << 8) | (b << 16);
}
}
else
{
for (int i = 0; i < 256; i++)
{
dst[i] = 0;
}
}
}
break;
case 3: // FIFO display
@ -259,6 +278,87 @@ void GPU2D::VBlank()
}
void GPU2D::BGExtPalDirty(u32 base)
{
BGExtPalStatus[base] = 0;
BGExtPalStatus[base+1] = 0;
}
void GPU2D::OBJExtPalDirty()
{
OBJExtPalStatus = 0;
}
u16* GPU2D::GetBGExtPal(u32 slot, u32 pal)
{
u16* dst = &BGExtPalCache[slot][pal << 8];
if (!(BGExtPalStatus[slot] & (1<<pal)))
{
if (Num)
{
if (GPU::VRAMMap_BBGExtPal[slot] & (1<<7))
memcpy(dst, &GPU::VRAM_H[(slot << 13) + (pal << 9)], 256*2);
else
memset(dst, 0, 256*2);
}
else
{
memset(dst, 0, 256*2);
if (GPU::VRAMMap_ABGExtPal[slot] & (1<<4))
for (int i = 0; i < 256; i+=2)
*(u32*)&dst[i] |= *(u32*)&GPU::VRAM_E[(slot << 13) + (pal << 9) + (i << 1)];
if (GPU::VRAMMap_ABGExtPal[slot] & (1<<5))
for (int i = 0; i < 256; i+=2)
*(u32*)&dst[i] |= *(u32*)&GPU::VRAM_F[((slot&1) << 13) + (pal << 9) + (i << 1)];
if (GPU::VRAMMap_ABGExtPal[slot] & (1<<6))
for (int i = 0; i < 256; i+=2)
*(u32*)&dst[i] |= *(u32*)&GPU::VRAM_G[((slot&1) << 13) + (pal << 9) + (i << 1)];
}
BGExtPalStatus[slot] |= (1<<pal);
}
return dst;
}
u16* GPU2D::GetOBJExtPal(u32 pal)
{
u16* dst = &OBJExtPalCache[pal << 8];
if (!(OBJExtPalStatus & (1<<pal)))
{
if (Num)
{
if (GPU::VRAMMap_BOBJExtPal & (1<<7))
memcpy(dst, &GPU::VRAM_I[(pal << 9)], 256*2);
else
memset(dst, 0, 256*2);
}
else
{
memset(dst, 0, 256*2);
if (GPU::VRAMMap_AOBJExtPal & (1<<5))
for (int i = 0; i < 256; i+=2)
*(u32*)&dst[i] |= *(u32*)&GPU::VRAM_F[(pal << 9) + (i << 1)];
if (GPU::VRAMMap_AOBJExtPal & (1<<6))
for (int i = 0; i < 256; i+=2)
*(u32*)&dst[i] |= *(u32*)&GPU::VRAM_G[(pal << 9) + (i << 1)];
}
OBJExtPalStatus |= (1<<pal);
}
return dst;
}
template<u32 bgmode>
void GPU2D::DrawScanlineBGMode(u32 line, u32* spritebuf, u32* dst)
{
@ -385,10 +485,9 @@ void GPU2D::DrawBG_Text(u32 line, u32* dst, u32 bgnum)
{
u16 bgcnt = BGCnt[bgnum];
u8* tileset;
u16* tilemap;
u32 tilesetaddr, tilemapaddr;
u16* pal;
u32 extpal;
u32 extpal, extpalslot;
u16 xoff = BGXPos[bgnum];
u16 yoff = BGYPos[bgnum] + line;
@ -397,62 +496,37 @@ void GPU2D::DrawBG_Text(u32 line, u32* dst, u32 bgnum)
DrawPixelFunc drawpixelfn = DrawPixel_Normal;
extpal = (bgcnt & 0x0080) && (DispCnt & 0x40000000);
extpal = (DispCnt & 0x40000000);
if (extpal) extpalslot = ((bgnum<2) && (bgcnt&0x2000)) ? (2+bgnum) : bgnum;
if (Num)
{
tileset = (u8*)GPU::VRAM_BBG[((bgcnt & 0x003C) >> 2)];
tilemap = (u16*)GPU::VRAM_BBG[((bgcnt & 0x1800) >> 11)];
if (!tileset || !tilemap) return;
tilemap += ((bgcnt & 0x0700) << 2);
tilesetaddr = 0x06200000 + ((bgcnt & 0x003C) << 12);
tilemapaddr = 0x06200000 + ((bgcnt & 0x1F00) << 3);
if (extpal)
{
if ((bgnum<2) && (bgcnt&0x2000))
pal = (u16*)GPU::VRAM_BBGExtPal[2+bgnum];
else
pal = (u16*)GPU::VRAM_BBGExtPal[bgnum];
// derp
if (!pal) pal = (u16*)&GPU::Palette[0x400];
}
else
pal = (u16*)&GPU::Palette[0x400];
}
else
{
tileset = (u8*)GPU::VRAM_ABG[((DispCnt & 0x07000000) >> 22) + ((bgcnt & 0x003C) >> 2)];
tilemap = (u16*)GPU::VRAM_ABG[((DispCnt & 0x38000000) >> 25) + ((bgcnt & 0x1800) >> 11)];
if (!tileset || !tilemap) return;
tilemap += ((bgcnt & 0x0700) << 2);
tilesetaddr = 0x06000000 + ((DispCnt & 0x07000000) >> 8) + ((bgcnt & 0x003C) << 12);
tilemapaddr = 0x06000000 + ((DispCnt & 0x38000000) >> 11) + ((bgcnt & 0x1F00) << 3);
if (extpal)
{
if ((bgnum<2) && (bgcnt&0x2000))
pal = (u16*)GPU::VRAM_ABGExtPal[2+bgnum];
else
pal = (u16*)GPU::VRAM_ABGExtPal[bgnum];
// derp
if (!pal) pal = (u16*)&GPU::Palette[0];
}
else
pal = (u16*)&GPU::Palette[0];
}
// adjust Y position in tilemap
if (bgcnt & 0x8000)
{
tilemap += ((yoff & 0x1F8) << 2);
tilemapaddr += ((yoff & 0x1F8) << 3);
if (bgcnt & 0x4000)
tilemap += ((yoff & 0x100) << 2);
tilemapaddr += ((yoff & 0x100) << 3);
}
else
tilemap += ((yoff & 0xF8) << 2);
tilemapaddr += ((yoff & 0xF8) << 3);
u16 curtile;
u16* curpal;
u8* pixels;
u32 pixelsaddr;
if (bgcnt & 0x0080)
{
@ -462,11 +536,13 @@ void GPU2D::DrawBG_Text(u32 line, u32* dst, u32 bgnum)
if (xoff & 0x7)
{
// load a new tile
curtile = tilemap[((xoff & 0xFF) >> 3) + ((xoff & widexmask) << 2)];
curpal = pal;
if (extpal) curpal += ((curtile & 0xF000) >> 4);
pixels = tileset + ((curtile & 0x03FF) << 6);
pixels += (((curtile & 0x0800) ? (7-(yoff&0x7)) : (yoff&0x7)) << 3);
curtile = GPU::ReadVRAM_BG<u16>(tilemapaddr + ((xoff & 0xF8) >> 2) + ((xoff & widexmask) << 3));
if (extpal) curpal = GetBGExtPal(extpalslot, curtile>>12);
else curpal = pal;
pixelsaddr = tilesetaddr + ((curtile & 0x03FF) << 6)
+ (((curtile & 0x0800) ? (7-(yoff&0x7)) : (yoff&0x7)) << 3);
}
for (int i = 0; i < 256; i++)
@ -474,17 +550,19 @@ void GPU2D::DrawBG_Text(u32 line, u32* dst, u32 bgnum)
if (!(xoff & 0x7))
{
// load a new tile
curtile = tilemap[((xoff & 0xFF) >> 3) + ((xoff & widexmask) << 2)];
curpal = pal;
if (extpal) curpal += ((curtile & 0xF000) >> 4);
pixels = tileset + ((curtile & 0x03FF) << 6);
pixels += (((curtile & 0x0800) ? (7-(yoff&0x7)) : (yoff&0x7)) << 3);
curtile = GPU::ReadVRAM_BG<u16>(tilemapaddr + ((xoff & 0xF8) >> 2) + ((xoff & widexmask) << 3));
if (extpal) curpal = GetBGExtPal(extpalslot, curtile>>12);
else curpal = pal;
pixelsaddr = tilesetaddr + ((curtile & 0x03FF) << 6)
+ (((curtile & 0x0800) ? (7-(yoff&0x7)) : (yoff&0x7)) << 3);
}
// draw pixel
u8 color;
u32 tilexoff = (curtile & 0x0400) ? (7-(xoff&0x7)) : (xoff&0x7);
color = pixels[tilexoff];
color = GPU::ReadVRAM_BG<u8>(pixelsaddr + tilexoff);
if (color)
drawpixelfn(bgnum, &dst[i], curpal[color], BlendFunc);
@ -500,10 +578,10 @@ void GPU2D::DrawBG_Text(u32 line, u32* dst, u32 bgnum)
if (xoff & 0x7)
{
// load a new tile
curtile = tilemap[((xoff & 0xFF) >> 3) + ((xoff & widexmask) << 2)];
curtile = GPU::ReadVRAM_BG<u16>(tilemapaddr + ((xoff & 0xF8) >> 2) + ((xoff & widexmask) << 3));
curpal = pal + ((curtile & 0xF000) >> 8);
pixels = tileset + ((curtile & 0x03FF) << 5);
pixels += (((curtile & 0x0800) ? (7-(yoff&0x7)) : (yoff&0x7)) << 2);
pixelsaddr = tilesetaddr + ((curtile & 0x03FF) << 5)
+ (((curtile & 0x0800) ? (7-(yoff&0x7)) : (yoff&0x7)) << 2);
}
for (int i = 0; i < 256; i++)
@ -511,22 +589,23 @@ void GPU2D::DrawBG_Text(u32 line, u32* dst, u32 bgnum)
if (!(xoff & 0x7))
{
// load a new tile
curtile = tilemap[((xoff & 0xFF) >> 3) + ((xoff & widexmask) << 2)];
curtile = GPU::ReadVRAM_BG<u16>(tilemapaddr + ((xoff & 0xF8) >> 2) + ((xoff & widexmask) << 3));
curpal = pal + ((curtile & 0xF000) >> 8);
pixels = tileset + ((curtile & 0x03FF) << 5);
pixels += (((curtile & 0x0800) ? (7-(yoff&0x7)) : (yoff&0x7)) << 2);
pixelsaddr = tilesetaddr + ((curtile & 0x03FF) << 5)
+ (((curtile & 0x0800) ? (7-(yoff&0x7)) : (yoff&0x7)) << 2);
}
// draw pixel
// TODO: optimize VRAM access
u8 color;
u32 tilexoff = (curtile & 0x0400) ? (7-(xoff&0x7)) : (xoff&0x7);
if (tilexoff & 0x1)
{
color = pixels[tilexoff>>1] >> 4;
color = GPU::ReadVRAM_BG<u8>(pixelsaddr + (tilexoff >> 1)) >> 4;
}
else
{
color = pixels[tilexoff>>1] & 0x0F;
color = GPU::ReadVRAM_BG<u8>(pixelsaddr + (tilexoff >> 1)) & 0x0F;
}
if (color)
@ -541,8 +620,7 @@ void GPU2D::DrawBG_Extended(u32 line, u32* dst, u32 bgnum)
{
u16 bgcnt = BGCnt[bgnum];
u8* tileset;
u16* tilemap;
u32 tilesetaddr, tilemapaddr;
u16* pal;
u32 extpal;
@ -580,9 +658,8 @@ void GPU2D::DrawBG_Extended(u32 line, u32* dst, u32 bgnum)
{
// bitmap modes
if (Num) tileset = (u8*)GPU::VRAM_BBG[((bgcnt & 0x003C) >> 2)];
else tileset = (u8*)GPU::VRAM_ABG[((bgcnt & 0x003C) >> 2)];
if (!tileset) return;
if (Num) tilesetaddr = 0x06200000 + ((bgcnt & 0x003C) << 12);
else tilesetaddr = 0x06000000 + ((bgcnt & 0x003C) << 12);
coordmask |= 0x7FF;
@ -590,13 +667,11 @@ void GPU2D::DrawBG_Extended(u32 line, u32* dst, u32 bgnum)
{
// direct color bitmap
u16* bitmap = (u16*)tileset;
for (int i = 0; i < 256; i++)
{
if (!((rotX|rotY) & overflowmask))
{
u16 color = bitmap[(((rotY & coordmask) >> 8) << yshift) + ((rotX & coordmask) >> 8)];
u16 color = GPU::ReadVRAM_BG<u16>(tilesetaddr + (((((rotY & coordmask) >> 8) << yshift) + ((rotX & coordmask) >> 8)) << 1));
if (color & 0x8000)
drawpixelfn(bgnum, &dst[i], color, BlendFunc);
@ -617,7 +692,7 @@ void GPU2D::DrawBG_Extended(u32 line, u32* dst, u32 bgnum)
{
if (!((rotX|rotY) & overflowmask))
{
u8 color = tileset[(((rotY & coordmask) >> 8) << yshift) + ((rotX & coordmask) >> 8)];
u8 color = GPU::ReadVRAM_BG<u8>(tilesetaddr + (((rotY & coordmask) >> 8) << yshift) + ((rotX & coordmask) >> 8));
if (color)
drawpixelfn(bgnum, &dst[i], pal[color], BlendFunc);
@ -630,46 +705,25 @@ void GPU2D::DrawBG_Extended(u32 line, u32* dst, u32 bgnum)
}
else
{
// shitty mode
// mixed affine/text mode
if (Num)
{
tileset = (u8*)GPU::VRAM_BBG[((bgcnt & 0x003C) >> 2)];
tilemap = (u16*)GPU::VRAM_BBG[((bgcnt & 0x1800) >> 11)];
if (!tileset || !tilemap) return;
tilemap += ((bgcnt & 0x0700) << 2);
tilesetaddr = 0x06200000 + ((bgcnt & 0x003C) << 12);
tilemapaddr = 0x06200000 + ((bgcnt & 0x1F00) << 3);
if (extpal)
{
pal = (u16*)GPU::VRAM_BBGExtPal[bgnum];
// derp
if (!pal) pal = (u16*)&GPU::Palette[0x400];
}
else
pal = (u16*)&GPU::Palette[0x400];
}
else
{
tileset = (u8*)GPU::VRAM_ABG[((DispCnt & 0x07000000) >> 22) + ((bgcnt & 0x003C) >> 2)];
tilemap = (u16*)GPU::VRAM_ABG[((DispCnt & 0x38000000) >> 25) + ((bgcnt & 0x1800) >> 11)];
if (!tileset || !tilemap) return;
tilemap += ((bgcnt & 0x0700) << 2);
tilesetaddr = 0x06000000 + ((DispCnt & 0x07000000) >> 8) + ((bgcnt & 0x003C) << 12);
tilemapaddr = 0x06000000 + ((DispCnt & 0x38000000) >> 11) + ((bgcnt & 0x1F00) << 3);
if (extpal)
{
pal = (u16*)GPU::VRAM_ABGExtPal[bgnum];
// derp
if (!pal) pal = (u16*)&GPU::Palette[0];
}
else
pal = (u16*)&GPU::Palette[0];
}
u16 curtile;
u16* curpal;
u8* pixels;
yshift -= 3;
@ -677,10 +731,10 @@ void GPU2D::DrawBG_Extended(u32 line, u32* dst, u32 bgnum)
{
if (!((rotX|rotY) & overflowmask))
{
curtile = tilemap[(((rotY & coordmask) >> 11) << yshift) + ((rotX & coordmask) >> 11)];
curpal = pal;
if (extpal) curpal += ((curtile & 0xF000) >> 4);
pixels = tileset + ((curtile & 0x03FF) << 6);
curtile = GPU::ReadVRAM_BG<u16>(tilemapaddr + (((((rotY & coordmask) >> 11) << yshift) + ((rotX & coordmask) >> 11)) << 1));
if (extpal) curpal = GetBGExtPal(bgnum, curtile>>12);
else curpal = pal;
// draw pixel
u8 color;
@ -690,7 +744,7 @@ void GPU2D::DrawBG_Extended(u32 line, u32* dst, u32 bgnum)
if (curtile & 0x0400) tilexoff = 7-tilexoff;
if (curtile & 0x0800) tileyoff = 7-tileyoff;
color = pixels[(tileyoff << 3) + tilexoff];
color = GPU::ReadVRAM_BG<u8>(tilesetaddr + ((curtile & 0x03FF) << 6) + (tileyoff << 3) + tilexoff);
if (color)
drawpixelfn(bgnum, &dst[i], curpal[color], BlendFunc);
@ -853,9 +907,7 @@ void GPU2D::DrawSprite_Rotscale(u16* attrib, u16* rotparams, u32 boundwidth, u32
// 16-color
tilenum <<= 5;
ytilefactor <<= 5;
u8* pixels = (Num ? GPU::VRAM_BOBJ : GPU::VRAM_AOBJ)[tilenum >> 14];
if (!pixels) return;
pixels += (tilenum & 0x3FFF);
u32 pixelsaddr = (Num ? 0x06600000 : 0x06400000) + tilenum;
u16* pal = (u16*)&GPU::Palette[Num ? 0x600 : 0x200];
pal += (attrib[2] & 0xF000) >> 8;
@ -867,7 +919,7 @@ void GPU2D::DrawSprite_Rotscale(u16* attrib, u16* rotparams, u32 boundwidth, u32
u8 color;
// blaaaarg
color = pixels[((rotY>>11)*ytilefactor) + ((rotY&0x700)>>6) + ((rotX>>11)*32) + ((rotX&0x700)>>9)];
color = GPU::ReadVRAM_OBJ<u8>(pixelsaddr + ((rotY>>11)*ytilefactor) + ((rotY&0x700)>>6) + ((rotX>>11)*32) + ((rotX&0x700)>>9));
if (rotX & 0x100)
color >>= 4;
@ -919,58 +971,49 @@ void GPU2D::DrawSprite_Normal(u16* attrib, u32 width, s32 xpos, u32 ypos, u32* d
{
// 256-color
tilenum <<= 5;
u8* pixels = (Num ? GPU::VRAM_BOBJ : GPU::VRAM_AOBJ)[tilenum >> 14];
if (!pixels) return;
pixels += (tilenum & 0x3FFF);
pixels += ((ypos & 0x7) << 3);
u32 pixelsaddr = (Num ? 0x06600000 : 0x06400000) + tilenum;
pixelsaddr += ((ypos & 0x7) << 3);
u32 extpal = (DispCnt & 0x80000000);
u16* pal;
if (extpal)
{
pal = (u16*)(Num ? GPU::VRAM_BOBJExtPal : GPU::VRAM_AOBJExtPal);
pal += (attrib[2] & 0xF000) >> 4;
}
else
pal = (u16*)&GPU::Palette[Num ? 0x600 : 0x200];
if (!pal) pal = (u16*)&GPU::Palette[Num ? 0x600 : 0x200]; // derp
if (extpal) pal = GetOBJExtPal(attrib[2] >> 12);
else pal = (u16*)&GPU::Palette[Num ? 0x600 : 0x200];
if (attrib[1] & 0x1000) // xflip. TODO: do better? oh well for now this works
{
pixels += (((width-1 - xoff) & wmask) << 3);
pixels += ((width-1 - xoff) & 0x7);
pixelsaddr += (((width-1 - xoff) & wmask) << 3);
pixelsaddr += ((width-1 - xoff) & 0x7);
for (; xoff < width;)
{
u8 color = *pixels;
pixels--;
u8 color = GPU::ReadVRAM_OBJ<u8>(pixelsaddr);
pixelsaddr--;
if (color)
dst[xpos] = pal[color] | prio;
xoff++;
xpos++;
if (!(xoff & 0x7)) pixels -= 56;
if (!(xoff & 0x7)) pixelsaddr -= 56;
}
}
else
{
pixels += ((xoff & wmask) << 3);
pixels += (xoff & 0x7);
pixelsaddr += ((xoff & wmask) << 3);
pixelsaddr += (xoff & 0x7);
for (; xoff < width;)
{
u8 color = *pixels;
pixels++;
u8 color = GPU::ReadVRAM_OBJ<u8>(pixelsaddr);
pixelsaddr++;
if (color)
dst[xpos] = pal[color] | prio;
xoff++;
xpos++;
if (!(xoff & 0x7)) pixels += 56;
if (!(xoff & 0x7)) pixelsaddr += 56;
}
}
}
@ -978,30 +1021,28 @@ void GPU2D::DrawSprite_Normal(u16* attrib, u32 width, s32 xpos, u32 ypos, u32* d
{
// 16-color
tilenum <<= 5;
u8* pixels = (Num ? GPU::VRAM_BOBJ : GPU::VRAM_AOBJ)[tilenum >> 14];
if (!pixels) return;
pixels += (tilenum & 0x3FFF);
pixels += ((ypos & 0x7) << 2);
u32 pixelsaddr = (Num ? 0x06600000 : 0x06400000) + tilenum;
pixelsaddr += ((ypos & 0x7) << 2);
u16* pal = (u16*)&GPU::Palette[Num ? 0x600 : 0x200];
pal += (attrib[2] & 0xF000) >> 8;
if (attrib[1] & 0x1000) // xflip. TODO: do better? oh well for now this works
{
pixels += (((width-1 - xoff) & wmask) << 2);
pixels += (((width-1 - xoff) & 0x7) >> 1);
pixelsaddr += (((width-1 - xoff) & wmask) << 2);
pixelsaddr += (((width-1 - xoff) & 0x7) >> 1);
for (; xoff < width;)
{
u8 color;
if (xoff & 0x1)
{
color = *pixels & 0x0F;
pixels--;
color = GPU::ReadVRAM_OBJ<u8>(pixelsaddr) & 0x0F;
pixelsaddr--;
}
else
{
color = *pixels >> 4;
color = GPU::ReadVRAM_OBJ<u8>(pixelsaddr) >> 4;
}
if (color)
@ -1009,25 +1050,25 @@ void GPU2D::DrawSprite_Normal(u16* attrib, u32 width, s32 xpos, u32 ypos, u32* d
xoff++;
xpos++;
if (!(xoff & 0x7)) pixels -= 28;
if (!(xoff & 0x7)) pixelsaddr -= 28;
}
}
else
{
pixels += ((xoff & wmask) << 2);
pixels += ((xoff & 0x7) >> 1);
pixelsaddr += ((xoff & wmask) << 2);
pixelsaddr += ((xoff & 0x7) >> 1);
for (; xoff < width;)
{
u8 color;
if (xoff & 0x1)
{
color = *pixels >> 4;
pixels++;
color = GPU::ReadVRAM_OBJ<u8>(pixelsaddr) >> 4;
pixelsaddr++;
}
else
{
color = *pixels & 0x0F;
color = GPU::ReadVRAM_OBJ<u8>(pixelsaddr) & 0x0F;
}
if (color)
@ -1035,7 +1076,7 @@ void GPU2D::DrawSprite_Normal(u16* attrib, u32 width, s32 xpos, u32 ypos, u32* d
xoff++;
xpos++;
if (!(xoff & 0x7)) pixels += 28;
if (!(xoff & 0x7)) pixelsaddr += 28;
}
}
}

11
GPU2D.h
View File

@ -39,6 +39,12 @@ public:
void DrawScanline(u32 line);
void VBlank();
void BGExtPalDirty(u32 base);
void OBJExtPalDirty();
u16* GetBGExtPal(u32 slot, u32 pal);
u16* GetOBJExtPal(u32 pal);
private:
u32 Num;
u32* Framebuffer;
@ -58,6 +64,11 @@ private:
u32 BlendFunc;
u16 BGExtPalCache[4][16*256];
u16 OBJExtPalCache[16*256];
u32 BGExtPalStatus[4];
u32 OBJExtPalStatus;
template<u32 bgmode> void DrawScanlineBGMode(u32 line, u32* spritebuf, u32* dst);
void DrawScanline_Mode1(u32 line, u32* dst);

30
GPU3D_Soft.cpp
View File

@ -72,6 +72,7 @@ void RenderPixel(u32 attr, s32 x, s32 y, s32 z, u8 vr, u8 vg, u8 vb)
pixel[3] = 31; // TODO: alpha
// TODO: optional update for translucent pixels
if (z > 0xFFFFFF) z = 0xFFFFFF;
*depth = z;
}
@ -128,9 +129,12 @@ void RenderPolygon(Polygon* polygon)
vtx->FinalPosition[2] = posZ;
vtx->FinalPosition[3] = posW;
vtx->FinalColor[0] = vtx->Color[0] ? (((vtx->Color[0] >> 12) << 4) + 0xF) : 0;
vtx->FinalColor[1] = vtx->Color[1] ? (((vtx->Color[1] >> 12) << 4) + 0xF) : 0;
vtx->FinalColor[2] = vtx->Color[2] ? (((vtx->Color[2] >> 12) << 4) + 0xF) : 0;
vtx->FinalColor[0] = vtx->Color[0] >> 12;
if (vtx->FinalColor[0]) vtx->FinalColor[0] = ((vtx->FinalColor[0] << 4) + 0xF);
vtx->FinalColor[1] = vtx->Color[1] >> 12;
if (vtx->FinalColor[1]) vtx->FinalColor[1] = ((vtx->FinalColor[1] << 4) + 0xF);
vtx->FinalColor[2] = vtx->Color[2] >> 12;
if (vtx->FinalColor[2]) vtx->FinalColor[2] = ((vtx->FinalColor[2] << 4) + 0xF);
vtx->ViewportTransformDone = true;
}
@ -238,19 +242,24 @@ void RenderPolygon(Polygon* polygon)
s32 lfactor, rfactor;
// TODO: work out the actual division bias there. 0x400 was found to make things look good.
// but actually, it isn't right. so what's going on there?
// seems vertical slopes are interpolated starting from the bottom and not the top. maybe.
// also seems lfactor/rfactor are rounded
if (vlnext->FinalPosition[1] == vlcur->FinalPosition[1])
lfactor = 0;
else
lfactor = ((y - vlcur->FinalPosition[1]) << 12) / (vlnext->FinalPosition[1] - vlcur->FinalPosition[1]);
lfactor = (((y - vlcur->FinalPosition[1]) << 12) + 0x00) / (vlnext->FinalPosition[1] - vlcur->FinalPosition[1]);
if (vrnext->FinalPosition[1] == vrcur->FinalPosition[1])
rfactor = 0;
else
rfactor = ((y - vrcur->FinalPosition[1]) << 12) / (vrnext->FinalPosition[1] - vrcur->FinalPosition[1]);
rfactor = (((y - vrcur->FinalPosition[1]) << 12) + 0x00) / (vrnext->FinalPosition[1] - vrcur->FinalPosition[1]);
s32 xl = vlcur->FinalPosition[0] + (((vlnext->FinalPosition[0] - vlcur->FinalPosition[0]) * lfactor) >> 12);
s32 xr = vrcur->FinalPosition[0] + (((vrnext->FinalPosition[0] - vrcur->FinalPosition[0]) * rfactor) >> 12);
//printf("y:%d xl:%d xr:%d %08X\n", y, xl, xr, rfactor); // y: 48 143
if (xl > xr) // TODO: handle it in a more elegant way
{
Vertex* vtmp;
@ -303,8 +312,11 @@ void RenderPolygon(Polygon* polygon)
if (xr == xl) xr++;
s32 xdiv = 0x1000 / (xr - xl);
//printf("y%d: %d->%d %08X %08X\n", y, xl, xr, lfactor, rfactor);
for (s32 x = xl; x < xr; x++)
{
//s32 xfactor = ((x - xl) << 12) / (xr - xl);
s32 xfactor = (x - xl) * xdiv;
s32 z = zl + (((s64)(zr - zl) * xfactor) >> 12);
@ -327,12 +339,6 @@ void RenderPolygon(Polygon* polygon)
u32 vb = ((perspfactor1 * bl) + (perspfactor2 * br)) / (perspfactor1 + perspfactor2);
RenderPixel(polygon->Attr, x, y, z, vr>>3, vg>>3, vb>>3);
// Z debug
/*u8 zerp = (w * 63) / 0xFFFFFF;
pixel[0] = zerp;
pixel[1] = zerp;
pixel[2] = zerp;*/
}
}

122
NDS.cpp
View File

@ -311,7 +311,8 @@ void Reset()
// test
//LoadROM();
//LoadFirmware();
if (NDSCart::LoadROM("rom/sm64ds.nds"))
// a_interp2.nds a_rounding (10) (11)
if (NDSCart::LoadROM("rom/nsmb.nds"))
Running = true; // hax
}
@ -803,18 +804,14 @@ u8 ARM9Read8(u32 addr)
case 0x06000000:
{
u32 chunk = (addr >> 14) & 0x7F;
u8* vram = NULL;
switch (addr & 0x00E00000)
{
case 0x00000000: vram = GPU::VRAM_ABG[chunk]; break;
case 0x00200000: vram = GPU::VRAM_BBG[chunk]; break;
case 0x00400000: vram = GPU::VRAM_AOBJ[chunk]; break;
case 0x00600000: vram = GPU::VRAM_BOBJ[chunk]; break;
case 0x00800000: vram = GPU::VRAM_LCD[chunk]; break;
case 0x00000000: return GPU::ReadVRAM_ABG<u8>(addr);
case 0x00200000: return GPU::ReadVRAM_BBG<u8>(addr);
case 0x00400000: return GPU::ReadVRAM_AOBJ<u8>(addr);
case 0x00600000: return GPU::ReadVRAM_BOBJ<u8>(addr);
default: return GPU::ReadVRAM_LCDC<u8>(addr);
}
if (vram)
return *(u8*)&vram[addr & 0x3FFF];
}
return 0;
@ -854,18 +851,14 @@ u16 ARM9Read16(u32 addr)
case 0x06000000:
{
u32 chunk = (addr >> 14) & 0x7F;
u8* vram = NULL;
switch (addr & 0x00E00000)
{
case 0x00000000: vram = GPU::VRAM_ABG[chunk]; break;
case 0x00200000: vram = GPU::VRAM_BBG[chunk]; break;
case 0x00400000: vram = GPU::VRAM_AOBJ[chunk]; break;
case 0x00600000: vram = GPU::VRAM_BOBJ[chunk]; break;
case 0x00800000: vram = GPU::VRAM_LCD[chunk]; break;
case 0x00000000: return GPU::ReadVRAM_ABG<u16>(addr);
case 0x00200000: return GPU::ReadVRAM_BBG<u16>(addr);
case 0x00400000: return GPU::ReadVRAM_AOBJ<u16>(addr);
case 0x00600000: return GPU::ReadVRAM_BOBJ<u16>(addr);
default: return GPU::ReadVRAM_LCDC<u16>(addr);
}
if (vram)
return *(u16*)&vram[addr & 0x3FFF];
}
return 0;
@ -905,18 +898,14 @@ u32 ARM9Read32(u32 addr)
case 0x06000000:
{
u32 chunk = (addr >> 14) & 0x7F;
u8* vram = NULL;
switch (addr & 0x00E00000)
{
case 0x00000000: vram = GPU::VRAM_ABG[chunk]; break;
case 0x00200000: vram = GPU::VRAM_BBG[chunk]; break;
case 0x00400000: vram = GPU::VRAM_AOBJ[chunk]; break;
case 0x00600000: vram = GPU::VRAM_BOBJ[chunk]; break;
case 0x00800000: vram = GPU::VRAM_LCD[chunk]; break;
case 0x00000000: return GPU::ReadVRAM_ABG<u32>(addr);
case 0x00200000: return GPU::ReadVRAM_BBG<u32>(addr);
case 0x00400000: return GPU::ReadVRAM_AOBJ<u32>(addr);
case 0x00600000: return GPU::ReadVRAM_BOBJ<u32>(addr);
default: return GPU::ReadVRAM_LCDC<u32>(addr);
}
if (vram)
return *(u32*)&vram[addr & 0x3FFF];
}
return 0;
@ -978,19 +967,13 @@ void ARM9Write16(u32 addr, u16 val)
return;
case 0x06000000:
{
u32 chunk = (addr >> 14) & 0x7F;
u8* vram = NULL;
switch (addr & 0x00E00000)
{
case 0x00000000: vram = GPU::VRAM_ABG[chunk]; break;
case 0x00200000: vram = GPU::VRAM_BBG[chunk]; break;
case 0x00400000: vram = GPU::VRAM_AOBJ[chunk]; break;
case 0x00600000: vram = GPU::VRAM_BOBJ[chunk]; break;
case 0x00800000: vram = GPU::VRAM_LCD[chunk]; break;
}
if (vram)
*(u16*)&vram[addr & 0x3FFF] = val;
case 0x00000000: GPU::WriteVRAM_ABG<u16>(addr, val); break;
case 0x00200000: GPU::WriteVRAM_BBG<u16>(addr, val); break;
case 0x00400000: GPU::WriteVRAM_AOBJ<u16>(addr, val); break;
case 0x00600000: GPU::WriteVRAM_BOBJ<u16>(addr, val); break;
default: GPU::WriteVRAM_LCDC<u16>(addr, val); break;
}
return;
@ -1023,19 +1006,13 @@ void ARM9Write32(u32 addr, u32 val)
return;
case 0x06000000:
{
u32 chunk = (addr >> 14) & 0x7F;
u8* vram = NULL;
switch (addr & 0x00E00000)
{
case 0x00000000: vram = GPU::VRAM_ABG[chunk]; break;
case 0x00200000: vram = GPU::VRAM_BBG[chunk]; break;
case 0x00400000: vram = GPU::VRAM_AOBJ[chunk]; break;
case 0x00600000: vram = GPU::VRAM_BOBJ[chunk]; break;
case 0x00800000: vram = GPU::VRAM_LCD[chunk]; break;
}
if (vram)
*(u32*)&vram[addr & 0x3FFF] = val;
case 0x00000000: GPU::WriteVRAM_ABG<u32>(addr, val); break;
case 0x00200000: GPU::WriteVRAM_BBG<u32>(addr, val); break;
case 0x00400000: GPU::WriteVRAM_AOBJ<u32>(addr, val); break;
case 0x00600000: GPU::WriteVRAM_BOBJ<u32>(addr, val); break;
default: GPU::WriteVRAM_LCDC<u32>(addr, val); break;
}
return;
@ -1079,13 +1056,7 @@ u8 ARM7Read8(u32 addr)
case 0x06000000:
case 0x06800000:
{
u32 chunk = (addr >> 17) & 0x1;
u8* vram = GPU::VRAM_ARM7[chunk];
if (vram)
return *(u8*)&vram[addr & 0x1FFFF];
}
return 0;
return GPU::ReadVRAM_ARM7<u8>(addr);
}
printf("unknown arm7 read8 %08X %08X %08X/%08X\n", addr, ARM7->R[15], ARM7->R[0], ARM7->R[1]);
@ -1125,13 +1096,7 @@ u16 ARM7Read16(u32 addr)
case 0x06000000:
case 0x06800000:
{
u32 chunk = (addr >> 17) & 0x1;
u8* vram = GPU::VRAM_ARM7[chunk];
if (vram)
return *(u16*)&vram[addr & 0x1FFFF];
}
return 0;
return GPU::ReadVRAM_ARM7<u16>(addr);
}
printf("unknown arm7 read16 %08X %08X\n", addr, ARM7->R[15]);
@ -1168,13 +1133,7 @@ u32 ARM7Read32(u32 addr)
case 0x06000000:
case 0x06800000:
{
u32 chunk = (addr >> 17) & 0x1;
u8* vram = GPU::VRAM_ARM7[chunk];
if (vram)
return *(u32*)&vram[addr & 0x1FFFF];
}
return 0;
return GPU::ReadVRAM_ARM7<u32>(addr);
}
printf("unknown arm7 read32 %08X | %08X\n", addr, ARM7->R[15]);
@ -1205,12 +1164,7 @@ void ARM7Write8(u32 addr, u8 val)
case 0x06000000:
case 0x06800000:
{
u32 chunk = (addr >> 17) & 0x1;
u8* vram = GPU::VRAM_ARM7[chunk];
if (vram)
*(u8*)&vram[addr & 0x1FFFF] = val;
}
GPU::WriteVRAM_ARM7<u8>(addr, val);
return;
}
@ -1245,12 +1199,7 @@ void ARM7Write16(u32 addr, u16 val)
case 0x06000000:
case 0x06800000:
{
u32 chunk = (addr >> 17) & 0x1;
u8* vram = GPU::VRAM_ARM7[chunk];
if (vram)
*(u16*)&vram[addr & 0x1FFFF] = val;
}
GPU::WriteVRAM_ARM7<u16>(addr, val);
return;
}
@ -1281,12 +1230,7 @@ void ARM7Write32(u32 addr, u32 val)
case 0x06000000:
case 0x06800000:
{
u32 chunk = (addr >> 17) & 0x1;
u8* vram = GPU::VRAM_ARM7[chunk];
if (vram)
*(u32*)&vram[addr & 0x1FFFF] = val;
}
GPU::WriteVRAM_ARM7<u32>(addr, val);
return;
}

14
melonDS.depend
View File

@ -10,7 +10,7 @@
1481161027 c:\documents\sources\melonds\types.h
1487609259 source:c:\documents\sources\melonds\nds.cpp
1488225095 source:c:\documents\sources\melonds\nds.cpp
<stdio.h>
<string.h>
"NDS.h"
@ -87,13 +87,13 @@
"NDS.h"
"SPI.h"
1487105611 source:c:\documents\sources\melonds\gpu2d.cpp
1488226954 source:c:\documents\sources\melonds\gpu2d.cpp
<stdio.h>
<string.h>
"NDS.h"
"GPU.h"
1487105228 c:\documents\sources\melonds\gpu2d.h
1488225922 c:\documents\sources\melonds\gpu2d.h
1481040524 c:\documents\sources\melonds\wifi.h
@ -119,13 +119,13 @@
1487305393 c:\documents\sources\melonds\dma.h
"types.h"
1487102235 source:c:\documents\sources\melonds\gpu.cpp
1488226688 source:c:\documents\sources\melonds\gpu.cpp
<stdio.h>
<string.h>
"NDS.h"
"GPU.h"
1487102203 c:\documents\sources\melonds\gpu.h
1488225864 c:\documents\sources\melonds\gpu.h
"GPU2D.h"
"GPU3D.h"
@ -148,14 +148,14 @@
1487610598 c:\documents\sources\melonds\gpu3d.h
1487612707 source:c:\documents\sources\melonds\gpu3d.cpp
1487681103 source:c:\documents\sources\melonds\gpu3d.cpp
<stdio.h>
<string.h>
"NDS.h"
"GPU.h"
"FIFO.h"
1487611069 source:c:\documents\sources\melonds\gpu3d_soft.cpp
1488214777 source:c:\documents\sources\melonds\gpu3d_soft.cpp
<stdio.h>
<string.h>
"NDS.h"