1#ifndef GBA_IO_H
  2#define GBA_IO_H
  3
  4#include "gba.h"
  5
  6enum GBAIORegisters {
  7	REG_DISPCNT = 0x000,
  8	REG_GREENSWP = 0x002,
  9	REG_DISPSTAT = 0x004,
 10	REG_VCOUNT = 0x006,
 11	REG_BG0CNT = 0x008,
 12	REG_BG1CNT = 0x00A,
 13	REG_BG2CNT = 0x00C,
 14	REG_BG3CNT = 0x00E,
 15	REG_BG0HOFS = 0x010,
 16	REG_BG0VOFS = 0x012,
 17	REG_BG1HOFS = 0x014,
 18	REG_BG1VOFS = 0x016,
 19	REG_BG2HOFS = 0x018,
 20	REG_BG2VOFS = 0x01A,
 21	REG_BG3HOFS = 0x01C,
 22	REG_BG3VOFS = 0x01E,
 23	REG_BG2PA = 0x020,
 24	REG_BG2PB = 0x022,
 25	REG_BG2PC = 0x024,
 26	REG_BG2PD = 0x026,
 27	REG_BG2X_LO = 0x028,
 28	REG_BG2X_HI = 0x02A,
 29	REG_BG2Y_LO = 0x02C,
 30	REG_BG2Y_HI = 0x02E,
 31	REG_BG3PA = 0x030,
 32	REG_BG3PB = 0x032,
 33	REG_BG3PC = 0x034,
 34	REG_BG3PD = 0x036,
 35	REG_BG3X_LO = 0x038,
 36	REG_BG3X_HI = 0x03A,
 37	REG_BG3Y_LO = 0x03C,
 38	REG_BG3Y_HI = 0x03E,
 39	REG_WIN0H = 0x040,
 40	REG_WIN1H = 0x042,
 41	REG_WIN0V = 0x044,
 42	REG_WIN1V = 0x046,
 43	REG_WININ = 0x048,
 44	REG_WINOUT = 0x04A,
 45	REG_MOSAIC = 0x04C,
 46	REG_BLDCNT = 0x050,
 47	REG_BLDALPHA = 0x052,
 48	REG_BLDY = 0x054,
 49
 50	// Sound
 51	REG_SOUND1CNT_LO = 0x060,
 52	REG_SOUND1CNT_HI = 0x062,
 53	REG_SOUND1CNT_X = 0x064,
 54	REG_SOUND2CNT_LO = 0x068,
 55	REG_SOUND2CNT_HI = 0x06C,
 56	REG_SOUND3CNT_LO = 0x070,
 57	REG_SOUND3CNT_HI = 0x072,
 58	REG_SOUND3CNT_X = 0x074,
 59	REG_SOUND4CNT_LO = 0x078,
 60	REG_SOUND4CNT_HI = 0x07C,
 61	REG_SOUNDCNT_LO = 0x080,
 62	REG_SOUNDCNT_HI = 0x082,
 63	REG_SOUNDCNT_X = 0x084,
 64	REG_SOUNDBIAS = 0x088,
 65	REG_WAVE_RAM0_LO = 0x090,
 66	REG_WAVE_RAM0_HI = 0x092,
 67	REG_WAVE_RAM1_LO = 0x094,
 68	REG_WAVE_RAM1_HI = 0x096,
 69	REG_WAVE_RAM2_LO = 0x098,
 70	REG_WAVE_RAM2_HI = 0x09A,
 71	REG_WAVE_RAM3_LO = 0x09C,
 72	REG_WAVE_RAM3_HI = 0x09E,
 73	REG_FIFO_A_LO = 0x0A0,
 74	REG_FIFO_A_HI = 0x0A2,
 75	REG_FIFO_B_LO = 0x0A4,
 76	REG_FIFO_B_HI = 0x0A6,
 77
 78	// DMA
 79	REG_DMA0SAD_LO = 0x0B0,
 80	REG_DMA0SAD_HI = 0x0B2,
 81	REG_DMA0DAD_LO = 0x0B4,
 82	REG_DMA0DAD_HI = 0x0B6,
 83	REG_DMA0CNT_LO = 0x0B8,
 84	REG_DMA0CNT_HI = 0x0BA,
 85	REG_DMA1SAD_LO = 0x0BC,
 86	REG_DMA1SAD_HI = 0x0BE,
 87	REG_DMA1DAD_LO = 0x0C0,
 88	REG_DMA1DAD_HI = 0x0C2,
 89	REG_DMA1CNT_LO = 0x0C4,
 90	REG_DMA1CNT_HI = 0x0C6,
 91	REG_DMA2SAD_LO = 0x0C8,
 92	REG_DMA2SAD_HI = 0x0CA,
 93	REG_DMA2DAD_LO = 0x0CC,
 94	REG_DMA2DAD_HI = 0x0CE,
 95	REG_DMA2CNT_LO = 0x0D0,
 96	REG_DMA2CNT_HI = 0x0D2,
 97	REG_DMA3SAD_LO = 0x0D4,
 98	REG_DMA3SAD_HI = 0x0D6,
 99	REG_DMA3DAD_LO = 0x0D8,
100	REG_DMA3DAD_HI = 0x0DA,
101	REG_DMA3CNT_LO = 0x0DC,
102	REG_DMA3CNT_HI = 0x0DE,
103
104	// Timers
105	REG_TM0CNT_LO = 0x100,
106	REG_TM0CNT_HI = 0x102,
107	REG_TM1CNT_LO = 0x104,
108	REG_TM1CNT_HI = 0x106,
109	REG_TM2CNT_LO = 0x108,
110	REG_TM2CNT_HI = 0x10A,
111	REG_TM3CNT_LO = 0x10C,
112	REG_TM3CNT_HI = 0x10E,
113
114	// SIO (note: some of these are repeated)
115	REG_SIODATA32_LO = 0x120,
116	REG_SIOMULTI0 = 0x120,
117	REG_SIODATA32_HI = 0x122,
118	REG_SIOMULTI1 = 0x122,
119	REG_SIOMULTI2 = 0x124,
120	REG_SIOMULTI3 = 0x126,
121	REG_SIOCNT = 0x128,
122	REG_SIOMLT_SEND = 0x12A,
123	REG_SIODATA8 = 0x12A,
124	REG_RCNT = 0x134,
125	REG_JOYCNT = 0x140,
126	REG_JOY_RECV = 0x150,
127	REG_JOY_TRANS = 0x154,
128	REG_JOYSTAT = 0x158,
129
130	// Keypad
131	REG_KEYINPUT = 0x130,
132	REG_KEYCNT = 0x132,
133
134	// Interrupts, etc
135	REG_IE = 0x200,
136	REG_IF = 0x202,
137	REG_WAITCNT = 0x204,
138	REG_IME = 0x208,
139
140	REG_POSTFLG = 0x300,
141	REG_HALTCNT = 0x301
142};
143
144void GBAIOInit(struct GBA* gba);
145void GBAIOWrite(struct GBA* gba, uint32_t address, uint16_t value);
146void GBAIOWrite32(struct GBA* gba, uint32_t address, uint32_t value);
147uint16_t GBAIORead(struct GBA* gba, uint32_t address);
148
149#endif