diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/gba/flash_internal.h | 65 | ||||
| -rw-r--r-- | include/gba/io_reg.h | 51 | ||||
| -rw-r--r-- | include/gba/macro.h | 4 | ||||
| -rw-r--r-- | include/gba/syscall.h | 4 |
4 files changed, 121 insertions, 3 deletions
diff --git a/include/gba/flash_internal.h b/include/gba/flash_internal.h new file mode 100644 index 000000000..ca357d196 --- /dev/null +++ b/include/gba/flash_internal.h @@ -0,0 +1,65 @@ +#ifndef GUARD_GBA_FLASH_INTERNAL_H +#define GUARD_GBA_FLASH_INTERNAL_H + +#define FLASH_BASE ((u8 *)0xE000000) + +#define FLASH_WRITE(addr, data) ((*(vu8 *)(FLASH_BASE + (addr))) = (data)) + +#define FLASH_ROM_SIZE_1M 131072 // 1 megabit ROM + +#define SECTORS_PER_BANK 16 + +struct FlashSector +{ + u32 size; + u8 shift; + u16 count; + u16 top; +}; + +struct FlashType { + u32 romSize; + struct FlashSector sector; + u16 wait[2]; // game pak bus read/write wait + + // TODO: add support for anonymous unions/structs if possible + union { + struct { + u8 makerId; + u8 deviceId; + } separate; + u16 joined; + } ids; +}; + +struct FlashSetupInfo +{ + u16 (*programFlashByte)(u16, u32, u8); + u16 (*programFlashSector)(u16, u8 *); + u16 (*eraseFlashChip)(void); + u16 (*eraseFlashSector)(u16); + u16 (*WaitForFlashWrite)(u8, u8 *, u8); + const u16 *maxTime; + struct FlashType type; +}; + +extern u16 gFlashNumRemainingBytes; + +extern u16 (*ProgramFlashByte)(u16, u32, u8); +extern u16 (*ProgramFlashSector)(u16, u8 *); +extern u16 (*EraseFlashChip)(void); +extern u16 (*EraseFlashSector)(u16); +extern u16 (*WaitForFlashWrite)(u8, u8 *, u8); +extern const u16 *gFlashMaxTime; +extern const struct FlashType *gFlash; + +extern u8 (*PollFlashStatus)(u8 *); +extern u8 gFlashTimeoutFlag; + +void SwitchFlashBank(u8 bankNum); +u16 ReadFlashId(void); +void StartFlashTimer(u8 phase); +void SetReadFlash1(u16 *dest); +void StopFlashTimer(void); + +#endif // GUARD_GBA_FLASH_INTERNAL_H diff --git a/include/gba/io_reg.h b/include/gba/io_reg.h index ed27f33b8..e8b3bde47 100644 --- a/include/gba/io_reg.h +++ b/include/gba/io_reg.h @@ -128,6 +128,7 @@ #define REG_OFFSET_DMA3CNT_L 0xdc #define REG_OFFSET_DMA3CNT_H 0xde +#define REG_OFFSET_TMCNT 0x100 #define REG_OFFSET_TM0CNT 0x100 #define REG_OFFSET_TM0CNT_L 0x100 #define REG_OFFSET_TM0CNT_H 0x102 @@ -280,6 +281,7 @@ #define REG_ADDR_DMA3CNT_L (REG_BASE + REG_OFFSET_DMA3CNT_L) #define REG_ADDR_DMA3CNT_H (REG_BASE + REG_OFFSET_DMA3CNT_H) +#define REG_ADDR_TMCNT (REG_BASE + REG_OFFSET_TMCNT) #define REG_ADDR_TM0CNT (REG_BASE + REG_OFFSET_TM0CNT) #define REG_ADDR_TM0CNT_L (REG_BASE + REG_OFFSET_TM0CNT_L) #define REG_ADDR_TM0CNT_H (REG_BASE + REG_OFFSET_TM0CNT_H) @@ -353,10 +355,14 @@ #define REG_DMA3CNT_L (*(vu16 *)REG_ADDR_DMA3CNT_L) #define REG_DMA3CNT_H (*(vu16 *)REG_ADDR_DMA3CNT_H) +#define REG_TMCNT(n) (*(vu16 *)(REG_ADDR_TMCNT + ((n) * 4))) + #define REG_IME (*(vu16 *)REG_ADDR_IME) #define REG_IE (*(vu16 *)REG_ADDR_IE) #define REG_IF (*(vu16 *)REG_ADDR_IF) +#define REG_WAITCNT (*(vu16 *)REG_ADDR_WAITCNT) + // I/O register fields // DISPCNT @@ -412,4 +418,49 @@ #define INTR_FLAG_KEYPAD (1 << 12) #define INTR_FLAG_GAMEPAK (1 << 13) +// WAITCNT +#define WAITCNT_SRAM_4 (0 << 0) +#define WAITCNT_SRAM_3 (1 << 0) +#define WAITCNT_SRAM_2 (2 << 0) +#define WAITCNT_SRAM_8 (3 << 0) +#define WAITCNT_SRAM_MASK (3 << 0) + +#define WAITCNT_WS0_N_4 (0 << 2) +#define WAITCNT_WS0_N_3 (1 << 2) +#define WAITCNT_WS0_N_2 (2 << 2) +#define WAITCNT_WS0_N_8 (3 << 2) +#define WAITCNT_WS0_N_MASK (3 << 2) + +#define WAITCNT_WS0_S_2 (0 << 4) +#define WAITCNT_WS0_S_1 (1 << 4) + +#define WAITCNT_WS1_N_4 (0 << 5) +#define WAITCNT_WS1_N_3 (1 << 5) +#define WAITCNT_WS1_N_2 (2 << 5) +#define WAITCNT_WS1_N_8 (3 << 5) +#define WAITCNT_WS1_N_MASK (3 << 5) + +#define WAITCNT_WS1_S_4 (0 << 7) +#define WAITCNT_WS1_S_1 (1 << 7) + +#define WAITCNT_WS2_N_4 (0 << 8) +#define WAITCNT_WS2_N_3 (1 << 8) +#define WAITCNT_WS2_N_2 (2 << 8) +#define WAITCNT_WS2_N_8 (3 << 8) +#define WAITCNT_WS2_N_MASK (3 << 8) + +#define WAITCNT_WS2_S_8 (0 << 10) +#define WAITCNT_WS2_S_1 (1 << 10) + +#define WAITCNT_PHI_OUT_NONE (0 << 11) +#define WAITCNT_PHI_OUT_4MHZ (1 << 11) +#define WAITCNT_PHI_OUT_8MHZ (2 << 11) +#define WAITCNT_PHI_OUT_16MHZ (3 << 11) +#define WAITCNT_PHI_OUT_MASK (3 << 11) + +#define WAITCNT_PREFETCH_ENABLE (1 << 14) + +#define WAITCNT_AGB (0 << 15) +#define WAITCNT_CGB (1 << 15) + #endif // GUARD_GBA_IO_REG_H diff --git a/include/gba/macro.h b/include/gba/macro.h index 42830d47c..7c56943b7 100644 --- a/include/gba/macro.h +++ b/include/gba/macro.h @@ -17,12 +17,12 @@ do { #define CpuCopy16(src, dest, size) CPU_COPY(src, dest, size, 16) #define CpuCopy32(src, dest, size) CPU_COPY(src, dest, size, 32) -#define DmaSet(dmaNum, src, dest, controlData) \ +#define DmaSet(dmaNum, src, dest, control) \ do { \ vu32 *dmaRegs = (vu32 *)REG_ADDR_DMA##dmaNum; \ dmaRegs[0] = (vu32)(src); \ dmaRegs[1] = (vu32)(dest); \ - dmaRegs[2] = (vu32)(controlData); \ + dmaRegs[2] = (vu32)(control); \ dmaRegs[2]; \ } while (0) diff --git a/include/gba/syscall.h b/include/gba/syscall.h index 0f4198b44..4d69907ee 100644 --- a/include/gba/syscall.h +++ b/include/gba/syscall.h @@ -5,6 +5,8 @@ #define CPU_SET_16BIT 0x00000000 #define CPU_SET_32BIT 0x04000000 -extern void CpuSet(void *src, void *dest, u32 controlData); +extern void CpuSet(void *src, void *dest, u32 control); + +extern void VBlankIntrWait(void); #endif // GUARD_GBA_SYSCALL_H |