dionmoustos/PokemonEmeraldSafariFrontier
1
0
Fork 0
Code Issues 21 Pull Requests Actions Packages Projects Releases Wiki Activity

add I/O register constants

Browse Source
This commit is contained in:
YamaArashi
2015-10-10 10:06:17 -07:00
parent 14a95252f8
commit 8cb7dcb2da
2 changed files with 362 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
asm/crt0.s
View File

@@ -40,63 +40,63 @@ sp_irq: .4byte IWRAM_END - 0x60
arm_func_start InterruptMain
InterruptMain:
mov r3, 0x4000000
mov r3, REG_BASE
add r3, r3, 0x200
ldr r2, [r3]
ldrh r1, [r3, 0x8]
ldr r2, [r3, OFFSET_REG_IE - 0x200]
ldrh r1, [r3, OFFSET_REG_IME - 0x200]
mrs r0, spsr
stmdb sp!, {r0-r3,lr}
mov r0, 0
strh r0, [r3, 0x8]
strh r0, [r3, OFFSET_REG_IME - 0x200]
and r1, r2, r2, lsr 16
mov r12, 0
ands r0, r1, INTR_FLAG_VCOUNT
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
mov r0, 0x1
strh r0, [r3, 0x8]
strh r0, [r3, OFFSET_REG_IME - 0x200]
ands r0, r1, INTR_FLAG_SERIAL
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_TIMER3
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_HBLANK
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_VBLANK
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_TIMER0
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_TIMER1
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_TIMER2
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_DMA0
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_DMA1
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_DMA2
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_DMA3
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_KEYPAD
bne _08000320
bne @foundInterrupt
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_GAMEPAK
strbne r0, [r3, -0x17C]
_0800031C:
bne _0800031C
_08000320:
strh r0, [r3, 0x2]
strbne r0, [r3, OFFSET_REG_SOUNDCNT_X - 0x200]
@loop:
bne @loop
@foundInterrupt:
strh r0, [r3, OFFSET_REG_IF - 0x200]
bic r2, r2, r0
ldr r0, =0x03007868
ldr r0, [r0]
@@ -106,7 +106,7 @@ _08000320:
orr r0, r0, INTR_FLAG_GAMEPAK
orr r1, r0, INTR_FLAG_SERIAL | INTR_FLAG_TIMER3 | INTR_FLAG_VCOUNT | INTR_FLAG_HBLANK
and r1, r1, r2
strh r1, [r3]
strh r1, [r3, OFFSET_REG_IE - 0x200]
mrs r3, cpsr
bic r3, r3, PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK
orr r3, r3, PSR_SYS_MODE
@@ -123,8 +123,8 @@ _08000320:
orr r3, r3, PSR_I_BIT | PSR_IRQ_MODE
msr cpsr_cf, r3
ldmia sp!, {r0-r3,lr}
strh r2, [r3]
strh r1, [r3, 0x8]
strh r2, [r3, OFFSET_REG_IE - 0x200]
strh r1, [r3, OFFSET_REG_IME - 0x200]
msr spsr_cf, r0
bx lr