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correct VRAM emulation.

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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
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551
GPU.cpp
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@ -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;
}
}
}
@ -263,96 +278,75 @@ 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];
{
UNMAP_RANGE(VRAMMap_BBG, 0, 8);
}
else
vrammap = &VRAM_BOBJ[0];
{
UNMAP_RANGE(VRAMMap_BOBJ, 0, 8);
}
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 & 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];
{
MAP_RANGE(VRAMMap_BBG, 0, 8);
}
else
vrammap = &VRAM_BOBJ[0];
{
MAP_RANGE(VRAMMap_BOBJ, 0, 8);
}
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;
}
}
}
@ -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;
}
}
}