diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ARM.cpp | 2 | ||||
| -rw-r--r-- | src/GPU.cpp | 147 | ||||
| -rw-r--r-- | src/GPU.h | 33 |
3 files changed, 141 insertions, 41 deletions
diff --git a/src/ARM.cpp b/src/ARM.cpp index 14f0863..9044a08 100644 --- a/src/ARM.cpp +++ b/src/ARM.cpp @@ -161,7 +161,7 @@ void ARM::SetupCodeMem(u32 addr) //NDS::ARM7GetMemRegion(addr, false, &CodeMem); } } -extern u64 vbltime; + void ARMv5::JumpTo(u32 addr, bool restorecpsr) { if (restorecpsr) diff --git a/src/GPU.cpp b/src/GPU.cpp index 747bc18..3ec223c 100644 --- a/src/GPU.cpp +++ b/src/GPU.cpp @@ -49,7 +49,8 @@ u8 VRAM_F[ 16*1024]; u8 VRAM_G[ 16*1024]; u8 VRAM_H[ 32*1024]; u8 VRAM_I[ 16*1024]; -u8* VRAM[9] = {VRAM_A, VRAM_B, VRAM_C, VRAM_D, VRAM_E, VRAM_F, VRAM_G, VRAM_H, VRAM_I}; +u8* VRAM[9] = {VRAM_A, VRAM_B, VRAM_C, VRAM_D, VRAM_E, VRAM_F, VRAM_G, VRAM_H, VRAM_I}; +u32 VRAMMask[9] = {0x1FFFF, 0x1FFFF, 0x1FFFF, 0x1FFFF, 0xFFFF, 0x3FFF, 0x3FFF, 0x7FFF, 0x3FFF}; u8 VRAMCNT[9]; u8 VRAMSTAT; @@ -71,6 +72,11 @@ u32 VRAMMap_TexPal[8]; u32 VRAMMap_ARM7[2]; +u8* VRAMPtr_ABG[0x20]; +u8* VRAMPtr_AOBJ[0x10]; +u8* VRAMPtr_BBG[0x8]; +u8* VRAMPtr_BOBJ[0x8]; + int FrontBuffer; u32* Framebuffer[2][2]; bool Accelerated; @@ -151,6 +157,11 @@ void Reset() VRAMMap_ARM7[0] = 0; VRAMMap_ARM7[1] = 0; + memset(VRAMPtr_ABG, 0, sizeof(VRAMPtr_ABG)); + memset(VRAMPtr_AOBJ, 0, sizeof(VRAMPtr_AOBJ)); + memset(VRAMPtr_BBG, 0, sizeof(VRAMPtr_BBG)); + memset(VRAMPtr_BOBJ, 0, sizeof(VRAMPtr_BOBJ)); + int fbsize; if (Accelerated) fbsize = (256*3 + 1) * 192; else fbsize = 256 * 192; @@ -232,6 +243,18 @@ void DoSavestate(Savestate* file) file->Var32(&VRAMMap_ARM7[0]); file->Var32(&VRAMMap_ARM7[1]); + if (!file->Saving) + { + for (int i = 0; i < 0x20; i++) + VRAMPtr_ABG[i] = GetUniqueBankPtr(VRAMMap_ABG[i], i << 14); + for (int i = 0; i < 0x10; i++) + VRAMPtr_AOBJ[i] = GetUniqueBankPtr(VRAMMap_AOBJ[i], i << 14); + for (int i = 0; i < 0x8; i++) + VRAMPtr_BBG[i] = GetUniqueBankPtr(VRAMMap_BBG[i], i << 14); + for (int i = 0; i < 0x8; i++) + VRAMPtr_BOBJ[i] = GetUniqueBankPtr(VRAMMap_BOBJ[i], i << 14); + } + GPU2D_A->DoSavestate(file); GPU2D_B->DoSavestate(file); GPU3D::DoSavestate(file); @@ -310,8 +333,30 @@ void SetDisplaySettings(bool accel) // 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; +u8* GetUniqueBankPtr(u32 mask, u32 offset) +{ + if (!mask) return NULL; + + int num = 0; + if (!(mask & 0xFF)) { mask >>= 8; num += 8; } + else + { + if (!(mask & 0xF)) { mask >>= 4; num += 4; } + if (!(mask & 0x3)) { mask >>= 2; num += 2; } + if (!(mask & 0x1)) { mask >>= 1; num += 1; } + } + if (mask != 1) return NULL; + + return &VRAM[num][offset & VRAMMask[num]]; +} + +#define MAP_RANGE(map, base, n) for (int i = 0; i < n; i++) VRAMMap_##map[(base)+i] |= bankmask; +#define UNMAP_RANGE(map, base, n) for (int i = 0; i < n; i++) VRAMMap_##map[(base)+i] &= ~bankmask; + +#define MAP_RANGE_PTR(map, base, n) \ + for (int i = 0; i < n; i++) { VRAMMap_##map[(base)+i] |= bankmask; VRAMPtr_##map[(base)+i] = GetUniqueBankPtr(VRAMMap_##map[(base)+i], ((base)+i)<<14); } +#define UNMAP_RANGE_PTR(map, base, n) \ + for (int i = 0; i < n; i++) { VRAMMap_##map[(base)+i] &= ~bankmask; VRAMPtr_##map[(base)+i] = GetUniqueBankPtr(VRAMMap_##map[(base)+i], ((base)+i)<<14); } void MapVRAM_AB(u32 bank, u8 cnt) { @@ -333,12 +378,12 @@ void MapVRAM_AB(u32 bank, u8 cnt) break; case 1: // ABG - UNMAP_RANGE(VRAMMap_ABG, oldofs<<3, 8); + UNMAP_RANGE_PTR(ABG, oldofs<<3, 8); break; case 2: // AOBJ oldofs &= 0x1; - UNMAP_RANGE(VRAMMap_AOBJ, oldofs<<3, 8); + UNMAP_RANGE_PTR(AOBJ, oldofs<<3, 8); break; case 3: // texture @@ -356,12 +401,12 @@ void MapVRAM_AB(u32 bank, u8 cnt) break; case 1: // ABG - MAP_RANGE(VRAMMap_ABG, ofs<<3, 8); + MAP_RANGE_PTR(ABG, ofs<<3, 8); break; case 2: // AOBJ ofs &= 0x1; - MAP_RANGE(VRAMMap_AOBJ, ofs<<3, 8); + MAP_RANGE_PTR(AOBJ, ofs<<3, 8); break; case 3: // texture @@ -393,7 +438,7 @@ void MapVRAM_CD(u32 bank, u8 cnt) break; case 1: // ABG - UNMAP_RANGE(VRAMMap_ABG, oldofs<<3, 8); + UNMAP_RANGE_PTR(ABG, oldofs<<3, 8); break; case 2: // ARM7 VRAM @@ -408,11 +453,11 @@ void MapVRAM_CD(u32 bank, u8 cnt) case 4: // BBG/BOBJ if (bank == 2) { - UNMAP_RANGE(VRAMMap_BBG, 0, 8); + UNMAP_RANGE_PTR(BBG, 0, 8); } else { - UNMAP_RANGE(VRAMMap_BOBJ, 0, 8); + UNMAP_RANGE_PTR(BOBJ, 0, 8); } break; } @@ -427,7 +472,7 @@ void MapVRAM_CD(u32 bank, u8 cnt) break; case 1: // ABG - MAP_RANGE(VRAMMap_ABG, ofs<<3, 8); + MAP_RANGE_PTR(ABG, ofs<<3, 8); break; case 2: // ARM7 VRAM @@ -443,11 +488,11 @@ void MapVRAM_CD(u32 bank, u8 cnt) case 4: // BBG/BOBJ if (bank == 2) { - MAP_RANGE(VRAMMap_BBG, 0, 8); + MAP_RANGE_PTR(BBG, 0, 8); } else { - MAP_RANGE(VRAMMap_BOBJ, 0, 8); + MAP_RANGE_PTR(BOBJ, 0, 8); } break; } @@ -472,19 +517,19 @@ void MapVRAM_E(u32 bank, u8 cnt) break; case 1: // ABG - UNMAP_RANGE(VRAMMap_ABG, 0, 4); + UNMAP_RANGE_PTR(ABG, 0, 4); break; case 2: // AOBJ - UNMAP_RANGE(VRAMMap_AOBJ, 0, 4); + UNMAP_RANGE_PTR(AOBJ, 0, 4); break; case 3: // texture palette - UNMAP_RANGE(VRAMMap_TexPal, 0, 4); + UNMAP_RANGE(TexPal, 0, 4); break; case 4: // ABG ext palette - UNMAP_RANGE(VRAMMap_ABGExtPal, 0, 4); + UNMAP_RANGE(ABGExtPal, 0, 4); GPU2D_A->BGExtPalDirty(0); GPU2D_A->BGExtPalDirty(2); break; @@ -500,19 +545,19 @@ void MapVRAM_E(u32 bank, u8 cnt) break; case 1: // ABG - MAP_RANGE(VRAMMap_ABG, 0, 4); + MAP_RANGE_PTR(ABG, 0, 4); break; case 2: // AOBJ - MAP_RANGE(VRAMMap_AOBJ, 0, 4); + MAP_RANGE_PTR(AOBJ, 0, 4); break; case 3: // texture palette - MAP_RANGE(VRAMMap_TexPal, 0, 4); + MAP_RANGE(TexPal, 0, 4); break; case 4: // ABG ext palette - MAP_RANGE(VRAMMap_ABGExtPal, 0, 4); + MAP_RANGE(ABGExtPal, 0, 4); GPU2D_A->BGExtPalDirty(0); GPU2D_A->BGExtPalDirty(2); break; @@ -540,13 +585,23 @@ void MapVRAM_FG(u32 bank, u8 cnt) break; case 1: // ABG - VRAMMap_ABG[(oldofs & 0x1) + ((oldofs & 0x2) << 1)] &= ~bankmask; - VRAMMap_ABG[(oldofs & 0x1) + ((oldofs & 0x2) << 1) + 2] &= ~bankmask; + { + u32 base = (oldofs & 0x1) + ((oldofs & 0x2) << 1); + VRAMMap_ABG[base] &= ~bankmask; + VRAMMap_ABG[base + 2] &= ~bankmask; + VRAMPtr_ABG[base] = GetUniqueBankPtr(VRAMMap_ABG[base], base << 14); + VRAMPtr_ABG[base + 2] = GetUniqueBankPtr(VRAMMap_ABG[base + 2], (base + 2) << 14); + } break; case 2: // AOBJ - VRAMMap_AOBJ[(oldofs & 0x1) + ((oldofs & 0x2) << 1)] &= ~bankmask; - VRAMMap_AOBJ[(oldofs & 0x1) + ((oldofs & 0x2) << 1) + 2] &= ~bankmask; + { + u32 base = (oldofs & 0x1) + ((oldofs & 0x2) << 1); + VRAMMap_AOBJ[base] &= ~bankmask; + VRAMMap_AOBJ[base + 2] &= ~bankmask; + VRAMPtr_AOBJ[base] = GetUniqueBankPtr(VRAMMap_AOBJ[base], base << 14); + VRAMPtr_AOBJ[base + 2] = GetUniqueBankPtr(VRAMMap_AOBJ[base + 2], (base + 2) << 14); + } break; case 3: // texture palette @@ -575,13 +630,23 @@ void MapVRAM_FG(u32 bank, u8 cnt) break; case 1: // ABG - VRAMMap_ABG[(ofs & 0x1) + ((ofs & 0x2) << 1)] |= bankmask; - VRAMMap_ABG[(ofs & 0x1) + ((ofs & 0x2) << 1) + 2] |= bankmask; + { + u32 base = (ofs & 0x1) + ((ofs & 0x2) << 1); + VRAMMap_ABG[base] |= bankmask; + VRAMMap_ABG[base + 2] |= bankmask; + VRAMPtr_ABG[base] = GetUniqueBankPtr(VRAMMap_ABG[base], base << 14); + VRAMPtr_ABG[base + 2] = GetUniqueBankPtr(VRAMMap_ABG[base + 2], (base + 2) << 14); + } break; case 2: // AOBJ - VRAMMap_AOBJ[(ofs & 0x1) + ((ofs & 0x2) << 1)] |= bankmask; - VRAMMap_AOBJ[(ofs & 0x1) + ((ofs & 0x2) << 1) + 2] |= bankmask; + { + u32 base = (ofs & 0x1) + ((ofs & 0x2) << 1); + VRAMMap_AOBJ[base] |= bankmask; + VRAMMap_AOBJ[base + 2] |= bankmask; + VRAMPtr_AOBJ[base] = GetUniqueBankPtr(VRAMMap_AOBJ[base], base << 14); + VRAMPtr_AOBJ[base + 2] = GetUniqueBankPtr(VRAMMap_AOBJ[base + 2], (base + 2) << 14); + } break; case 3: // texture palette @@ -624,10 +689,14 @@ void MapVRAM_H(u32 bank, u8 cnt) VRAMMap_BBG[1] &= ~bankmask; VRAMMap_BBG[4] &= ~bankmask; VRAMMap_BBG[5] &= ~bankmask; + VRAMPtr_BBG[0] = GetUniqueBankPtr(VRAMMap_BBG[0], 0 << 14); + VRAMPtr_BBG[1] = GetUniqueBankPtr(VRAMMap_BBG[1], 1 << 14); + VRAMPtr_BBG[4] = GetUniqueBankPtr(VRAMMap_BBG[4], 4 << 14); + VRAMPtr_BBG[5] = GetUniqueBankPtr(VRAMMap_BBG[5], 5 << 14); break; case 2: // BBG ext palette - UNMAP_RANGE(VRAMMap_BBGExtPal, 0, 4); + UNMAP_RANGE(BBGExtPal, 0, 4); GPU2D_B->BGExtPalDirty(0); GPU2D_B->BGExtPalDirty(2); break; @@ -647,10 +716,14 @@ void MapVRAM_H(u32 bank, u8 cnt) VRAMMap_BBG[1] |= bankmask; VRAMMap_BBG[4] |= bankmask; VRAMMap_BBG[5] |= bankmask; + VRAMPtr_BBG[0] = GetUniqueBankPtr(VRAMMap_BBG[0], 0 << 14); + VRAMPtr_BBG[1] = GetUniqueBankPtr(VRAMMap_BBG[1], 1 << 14); + VRAMPtr_BBG[4] = GetUniqueBankPtr(VRAMMap_BBG[4], 4 << 14); + VRAMPtr_BBG[5] = GetUniqueBankPtr(VRAMMap_BBG[5], 5 << 14); break; case 2: // BBG ext palette - MAP_RANGE(VRAMMap_BBGExtPal, 0, 4); + MAP_RANGE(BBGExtPal, 0, 4); GPU2D_B->BGExtPalDirty(0); GPU2D_B->BGExtPalDirty(2); break; @@ -680,10 +753,14 @@ void MapVRAM_I(u32 bank, u8 cnt) VRAMMap_BBG[3] &= ~bankmask; VRAMMap_BBG[6] &= ~bankmask; VRAMMap_BBG[7] &= ~bankmask; + VRAMPtr_BBG[2] = GetUniqueBankPtr(VRAMMap_BBG[2], 2 << 14); + VRAMPtr_BBG[3] = GetUniqueBankPtr(VRAMMap_BBG[3], 3 << 14); + VRAMPtr_BBG[6] = GetUniqueBankPtr(VRAMMap_BBG[6], 6 << 14); + VRAMPtr_BBG[7] = GetUniqueBankPtr(VRAMMap_BBG[7], 7 << 14); break; case 2: // BOBJ - UNMAP_RANGE(VRAMMap_BOBJ, 0, 8); + UNMAP_RANGE_PTR(BOBJ, 0, 8); break; case 3: // BOBJ ext palette @@ -706,10 +783,14 @@ void MapVRAM_I(u32 bank, u8 cnt) VRAMMap_BBG[3] |= bankmask; VRAMMap_BBG[6] |= bankmask; VRAMMap_BBG[7] |= bankmask; + VRAMPtr_BBG[2] = GetUniqueBankPtr(VRAMMap_BBG[2], 2 << 14); + VRAMPtr_BBG[3] = GetUniqueBankPtr(VRAMMap_BBG[3], 3 << 14); + VRAMPtr_BBG[6] = GetUniqueBankPtr(VRAMMap_BBG[6], 6 << 14); + VRAMPtr_BBG[7] = GetUniqueBankPtr(VRAMMap_BBG[7], 7 << 14); break; case 2: // BOBJ - MAP_RANGE(VRAMMap_BOBJ, 0, 8); + MAP_RANGE_PTR(BOBJ, 0, 8); break; case 3: // BOBJ ext palette @@ -61,6 +61,11 @@ extern u32 VRAMMap_Texture[4]; extern u32 VRAMMap_TexPal[8]; extern u32 VRAMMap_ARM7[2]; +extern u8* VRAMPtr_ABG[0x20]; +extern u8* VRAMPtr_AOBJ[0x10]; +extern u8* VRAMPtr_BBG[0x8]; +extern u8* VRAMPtr_BOBJ[0x8]; + extern int FrontBuffer; extern u32* Framebuffer[2][2]; @@ -78,6 +83,8 @@ void DoSavestate(Savestate* file); void SetDisplaySettings(bool accel); +u8* GetUniqueBankPtr(u32 mask, u32 offset); + void MapVRAM_AB(u32 bank, u8 cnt); void MapVRAM_CD(u32 bank, u8 cnt); void MapVRAM_E(u32 bank, u8 cnt); @@ -218,7 +225,10 @@ void WriteVRAM_LCDC(u32 addr, T val) template<typename T> T ReadVRAM_ABG(u32 addr) { - u32 ret = 0; + u8* ptr = VRAMPtr_ABG[(addr >> 14) & 0x1F]; + if (ptr) return *(T*)&ptr[addr & 0x3FFF]; + + T ret = 0; u32 mask = VRAMMap_ABG[(addr >> 14) & 0x1F]; if (mask & (1<<0)) ret |= *(T*)&VRAM_A[addr & 0x1FFFF]; @@ -250,7 +260,10 @@ void WriteVRAM_ABG(u32 addr, T val) template<typename T> T ReadVRAM_AOBJ(u32 addr) { - u32 ret = 0; + u8* ptr = VRAMPtr_AOBJ[(addr >> 14) & 0xF]; + if (ptr) return *(T*)&ptr[addr & 0x3FFF]; + + T ret = 0; u32 mask = VRAMMap_AOBJ[(addr >> 14) & 0xF]; if (mask & (1<<0)) ret |= *(T*)&VRAM_A[addr & 0x1FFFF]; @@ -278,7 +291,10 @@ void WriteVRAM_AOBJ(u32 addr, T val) template<typename T> T ReadVRAM_BBG(u32 addr) { - u32 ret = 0; + u8* ptr = VRAMPtr_BBG[(addr >> 14) & 0x7]; + if (ptr) return *(T*)&ptr[addr & 0x3FFF]; + + T ret = 0; u32 mask = VRAMMap_BBG[(addr >> 14) & 0x7]; if (mask & (1<<2)) ret |= *(T*)&VRAM_C[addr & 0x1FFFF]; @@ -302,7 +318,10 @@ void WriteVRAM_BBG(u32 addr, T val) template<typename T> T ReadVRAM_BOBJ(u32 addr) { - u32 ret = 0; + u8* ptr = VRAMPtr_BOBJ[(addr >> 14) & 0x7]; + if (ptr) return *(T*)&ptr[addr & 0x3FFF]; + + T ret = 0; u32 mask = VRAMMap_BOBJ[(addr >> 14) & 0x7]; if (mask & (1<<3)) ret |= *(T*)&VRAM_D[addr & 0x1FFFF]; @@ -324,7 +343,7 @@ void WriteVRAM_BOBJ(u32 addr, T val) template<typename T> T ReadVRAM_ARM7(u32 addr) { - u32 ret = 0; + T ret = 0; u32 mask = VRAMMap_ARM7[(addr >> 17) & 0x1]; if (mask & (1<<2)) ret |= *(T*)&VRAM_C[addr & 0x1FFFF]; @@ -365,7 +384,7 @@ T ReadVRAM_OBJ(u32 addr) template<typename T> T ReadVRAM_Texture(u32 addr) { - u32 ret = 0; + T ret = 0; u32 mask = VRAMMap_Texture[(addr >> 17) & 0x3]; if (mask & (1<<0)) ret |= *(T*)&VRAM_A[addr & 0x1FFFF]; @@ -379,7 +398,7 @@ T ReadVRAM_Texture(u32 addr) template<typename T> T ReadVRAM_TexPal(u32 addr) { - u32 ret = 0; + T ret = 0; u32 mask = VRAMMap_TexPal[(addr >> 14) & 0x7]; if (mask & (1<<4)) ret |= *(T*)&VRAM_E[addr & 0xFFFF]; |