1 /* Copyright (c) 2013-2015 Jeffrey Pfau 2 * 3 * This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 #ifndef GBA_IO_H 7 #define GBA_IO_H 8 9 #include <mgba-util/common.h> 10 11 CXX_GUARD_START 12 13 #include <mgba/core/log.h> 14 15 enum GBAIORegisters { 16 // Video 17 REG_DISPCNT = 0x000, 18 REG_GREENSWP = 0x002, 19 REG_DISPSTAT = 0x004, 20 REG_VCOUNT = 0x006, 21 REG_BG0CNT = 0x008, 22 REG_BG1CNT = 0x00A, 23 REG_BG2CNT = 0x00C, 24 REG_BG3CNT = 0x00E, 25 REG_BG0HOFS = 0x010, 26 REG_BG0VOFS = 0x012, 27 REG_BG1HOFS = 0x014, 28 REG_BG1VOFS = 0x016, 29 REG_BG2HOFS = 0x018, 30 REG_BG2VOFS = 0x01A, 31 REG_BG3HOFS = 0x01C, 32 REG_BG3VOFS = 0x01E, 33 REG_BG2PA = 0x020, 34 REG_BG2PB = 0x022, 35 REG_BG2PC = 0x024, 36 REG_BG2PD = 0x026, 37 REG_BG2X_LO = 0x028, 38 REG_BG2X_HI = 0x02A, 39 REG_BG2Y_LO = 0x02C, 40 REG_BG2Y_HI = 0x02E, 41 REG_BG3PA = 0x030, 42 REG_BG3PB = 0x032, 43 REG_BG3PC = 0x034, 44 REG_BG3PD = 0x036, 45 REG_BG3X_LO = 0x038, 46 REG_BG3X_HI = 0x03A, 47 REG_BG3Y_LO = 0x03C, 48 REG_BG3Y_HI = 0x03E, 49 REG_WIN0H = 0x040, 50 REG_WIN1H = 0x042, 51 REG_WIN0V = 0x044, 52 REG_WIN1V = 0x046, 53 REG_WININ = 0x048, 54 REG_WINOUT = 0x04A, 55 REG_MOSAIC = 0x04C, 56 REG_BLDCNT = 0x050, 57 REG_BLDALPHA = 0x052, 58 REG_BLDY = 0x054, 59 60 // Sound 61 REG_SOUND1CNT_LO = 0x060, 62 REG_SOUND1CNT_HI = 0x062, 63 REG_SOUND1CNT_X = 0x064, 64 REG_SOUND2CNT_LO = 0x068, 65 REG_SOUND2CNT_HI = 0x06C, 66 REG_SOUND3CNT_LO = 0x070, 67 REG_SOUND3CNT_HI = 0x072, 68 REG_SOUND3CNT_X = 0x074, 69 REG_SOUND4CNT_LO = 0x078, 70 REG_SOUND4CNT_HI = 0x07C, 71 REG_SOUNDCNT_LO = 0x080, 72 REG_SOUNDCNT_HI = 0x082, 73 REG_SOUNDCNT_X = 0x084, 74 REG_SOUNDBIAS = 0x088, 75 REG_WAVE_RAM0_LO = 0x090, 76 REG_WAVE_RAM0_HI = 0x092, 77 REG_WAVE_RAM1_LO = 0x094, 78 REG_WAVE_RAM1_HI = 0x096, 79 REG_WAVE_RAM2_LO = 0x098, 80 REG_WAVE_RAM2_HI = 0x09A, 81 REG_WAVE_RAM3_LO = 0x09C, 82 REG_WAVE_RAM3_HI = 0x09E, 83 REG_FIFO_A_LO = 0x0A0, 84 REG_FIFO_A_HI = 0x0A2, 85 REG_FIFO_B_LO = 0x0A4, 86 REG_FIFO_B_HI = 0x0A6, 87 88 // DMA 89 REG_DMA0SAD_LO = 0x0B0, 90 REG_DMA0SAD_HI = 0x0B2, 91 REG_DMA0DAD_LO = 0x0B4, 92 REG_DMA0DAD_HI = 0x0B6, 93 REG_DMA0CNT_LO = 0x0B8, 94 REG_DMA0CNT_HI = 0x0BA, 95 REG_DMA1SAD_LO = 0x0BC, 96 REG_DMA1SAD_HI = 0x0BE, 97 REG_DMA1DAD_LO = 0x0C0, 98 REG_DMA1DAD_HI = 0x0C2, 99 REG_DMA1CNT_LO = 0x0C4, 100 REG_DMA1CNT_HI = 0x0C6, 101 REG_DMA2SAD_LO = 0x0C8, 102 REG_DMA2SAD_HI = 0x0CA, 103 REG_DMA2DAD_LO = 0x0CC, 104 REG_DMA2DAD_HI = 0x0CE, 105 REG_DMA2CNT_LO = 0x0D0, 106 REG_DMA2CNT_HI = 0x0D2, 107 REG_DMA3SAD_LO = 0x0D4, 108 REG_DMA3SAD_HI = 0x0D6, 109 REG_DMA3DAD_LO = 0x0D8, 110 REG_DMA3DAD_HI = 0x0DA, 111 REG_DMA3CNT_LO = 0x0DC, 112 REG_DMA3CNT_HI = 0x0DE, 113 114 // Timers 115 REG_TM0CNT_LO = 0x100, 116 REG_TM0CNT_HI = 0x102, 117 REG_TM1CNT_LO = 0x104, 118 REG_TM1CNT_HI = 0x106, 119 REG_TM2CNT_LO = 0x108, 120 REG_TM2CNT_HI = 0x10A, 121 REG_TM3CNT_LO = 0x10C, 122 REG_TM3CNT_HI = 0x10E, 123 124 // SIO (note: some of these are repeated) 125 REG_SIODATA32_LO = 0x120, 126 REG_SIOMULTI0 = 0x120, 127 REG_SIODATA32_HI = 0x122, 128 REG_SIOMULTI1 = 0x122, 129 REG_SIOMULTI2 = 0x124, 130 REG_SIOMULTI3 = 0x126, 131 REG_SIOCNT = 0x128, 132 REG_SIOMLT_SEND = 0x12A, 133 REG_SIODATA8 = 0x12A, 134 REG_RCNT = 0x134, 135 REG_JOYCNT = 0x140, 136 REG_JOY_RECV_LO = 0x150, 137 REG_JOY_RECV_HI = 0x152, 138 REG_JOY_TRANS_LO = 0x154, 139 REG_JOY_TRANS_HI = 0x156, 140 REG_JOYSTAT = 0x158, 141 142 // Keypad 143 REG_KEYINPUT = 0x130, 144 REG_KEYCNT = 0x132, 145 146 // Interrupts, etc 147 REG_IE = 0x200, 148 REG_IF = 0x202, 149 REG_WAITCNT = 0x204, 150 REG_IME = 0x208, 151 152 REG_MAX = 0x20A, 153 154 REG_POSTFLG = 0x300, 155 REG_HALTCNT = 0x301, 156 157 REG_DEBUG_STRING = 0xFFF600, 158 REG_DEBUG_FLAGS = 0xFFF700, 159 REG_DEBUG_ENABLE = 0xFFF780, 160 }; 161 162 mLOG_DECLARE_CATEGORY(GBA_IO); 163 164 extern MGBA_EXPORT const char* const GBAIORegisterNames[]; 165 166 struct GBA; 167 void GBAIOInit(struct GBA* gba); 168 void GBAIOWrite(struct GBA* gba, uint32_t address, uint16_t value); 169 void GBAIOWrite8(struct GBA* gba, uint32_t address, uint8_t value); 170 void GBAIOWrite32(struct GBA* gba, uint32_t address, uint32_t value); 171 uint16_t GBAIORead(struct GBA* gba, uint32_t address); 172 173 bool GBAIOIsReadConstant(uint32_t address); 174 175 struct GBASerializedState; 176 void GBAIOSerialize(struct GBA* gba, struct GBASerializedState* state); 177 void GBAIODeserialize(struct GBA* gba, const struct GBASerializedState* state); 178 179 CXX_GUARD_END 180 181 #endif 182