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gpu_regs.c

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This commit is contained in:
YamaArashi
2016-01-08 01:08:16 -08:00
parent 4e95a13295
commit b4781cdf03
11 changed files with 366 additions and 497 deletions
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5
include/global.h
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@@ -1,3 +1,6 @@
#ifndef GUARD_GLOBAL_H
#define GUARD_GLOBAL_H
typedef unsigned char u8;
typedef unsigned short u16;
typedef unsigned int u32;
@@ -30,3 +33,5 @@ typedef u32 bool32;
#define CPU_SET_32BIT (1 << 26)
extern void CpuSet(void *src, void *dest, u32 controlData);
#endif // GUARD_GLOBAL_H

51
include/io_regs.h
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@@ -1,3 +1,6 @@
#ifndef GUARD_IO_REGS_H
#define GUARD_IO_REGS_H
#define REG_BASE 0x4000000 // I/O register base address
// I/O register offsets
@@ -335,3 +338,51 @@
#define REG_ADDR_IF (REG_BASE + REG_OFFSET_IF)
#define REG_ADDR_WAITCNT (REG_BASE + REG_OFFSET_WAITCNT)
// I/O registers
#define REG_DISPCNT (*(vu32 *)REG_ADDR_DISPCNT)
#define REG_DISPSTAT (*(vu16 *)REG_ADDR_DISPSTAT)
#define REG_VCOUNT (*(vu16 *)REG_ADDR_VCOUNT)
#define REG_IME (*(vu16 *)REG_ADDR_IME)
#define REG_IE (*(vu16 *)REG_ADDR_IE)
#define REG_IF (*(vu16 *)REG_ADDR_IF)
// I/O register fields
// DISPCNT
#define DISPCNT_MODE_0 0x0000
#define DISPCNT_MODE_1 0x0001
#define DISPCNT_MODE_2 0x0002
#define DISPCNT_MODE_3 0x0003
#define DISPCNT_MODE_4 0x0004
#define DISPCNT_MODE_5 0x0005
#define DISPCNT_OBJ_1D_MAP 0x0040
#define DISPCNT_FORCED_BLANK 0x0080
// DISPSTAT
#define DISPSTAT_VBLANK 0x0001 // in V-Blank
#define DISPSTAT_HBLANK 0x0002 // in H-Blank
#define DISPSTAT_VCOUNT 0x0004 // V-Count match
#define DISPSTAT_VBLANK_INTR 0x0008 // V-Blank interrupt enabled
#define DISPSTAT_HBLANK_INTR 0x0010 // H-Blank interrupt enabled
#define DISPSTAT_VCOUNT_INTR 0x0020 // V-Count interrupt enabled
// interrupt flags
#define INTR_FLAG_VBLANK (1 << 0)
#define INTR_FLAG_HBLANK (1 << 1)
#define INTR_FLAG_VCOUNT (1 << 2)
#define INTR_FLAG_TIMER0 (1 << 3)
#define INTR_FLAG_TIMER1 (1 << 4)
#define INTR_FLAG_TIMER2 (1 << 5)
#define INTR_FLAG_TIMER3 (1 << 6)
#define INTR_FLAG_SERIAL (1 << 7)
#define INTR_FLAG_DMA0 (1 << 8)
#define INTR_FLAG_DMA1 (1 << 9)
#define INTR_FLAG_DMA2 (1 << 10)
#define INTR_FLAG_DMA3 (1 << 11)
#define INTR_FLAG_KEYPAD (1 << 12)
#define INTR_FLAG_GAMEPAK (1 << 13)
#endif // GUARD_IO_REGS_H