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begin decompiling main.s

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This commit is contained in:
YamaArashi
2017-02-03 16:44:06 -08:00
parent ae1f731e60
commit e2b834d21d
86 changed files with 1423 additions and 1226 deletions
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asm/crt0.s
+21 -22
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@@ -41,9 +41,9 @@ Init: @ 8000204
msr cpsr_cf, r0
ldr sp, sp_sys
ldr r1, =INTR_VECTOR
adr r0, InterruptMain
adr r0, IntrMain
str r0, [r1]
ldr r1, =Main + 1
ldr r1, =AgbMain + 1
mov lr, pc
bx r1
b Init
@@ -56,8 +56,8 @@ sp_irq: .word IWRAM_END - 0x60
.arm
.align 2, 0
.global InterruptMain
InterruptMain: @ 8000248
.global IntrMain
IntrMain: @ 8000248
mov r3, REG_BASE
add r3, r3, 0x200
ldr r2, [r3, OFFSET_REG_IE - 0x200]
@@ -69,51 +69,50 @@ InterruptMain: @ 8000248
and r1, r2, r2, lsr 16
mov r12, 0
ands r0, r1, INTR_FLAG_VCOUNT
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
mov r0, 0x1
strh r0, [r3, OFFSET_REG_IME - 0x200]
ands r0, r1, INTR_FLAG_SERIAL
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_TIMER3
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_HBLANK
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_VBLANK
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_TIMER0
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_TIMER1
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_TIMER2
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_DMA0
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_DMA1
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_DMA2
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_DMA3
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_KEYPAD
bne InterruptMain_FoundIntr
bne IntrMain_FoundIntr
add r12, r12, 0x4
ands r0, r1, INTR_FLAG_GAMEPAK
strbne r0, [r3, OFFSET_REG_SOUNDCNT_X - 0x200]
InterruptMain_Loop:
bne InterruptMain_Loop
InterruptMain_FoundIntr:
bne . @ spin
IntrMain_FoundIntr:
strh r0, [r3, OFFSET_REG_IF - 0x200]
bic r2, r2, r0
ldr r0, =gUnknown_03007868
@@ -133,9 +132,9 @@ InterruptMain_FoundIntr:
add r1, r1, r12
ldr r0, [r1]
stmdb sp!, {lr}
adr lr, InterruptMain_RetAddr
adr lr, IntrMain_RetAddr
bx r0
InterruptMain_RetAddr:
IntrMain_RetAddr:
ldmia sp!, {lr}
mrs r3, cpsr
bic r3, r3, PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK