diff options
| author | YamaArashi <shadow962@live.com> | 2017-02-03 16:44:06 -0800 |
|---|---|---|
| committer | YamaArashi <shadow962@live.com> | 2017-02-03 16:44:06 -0800 |
| commit | e2b834d21d96332c5bcf788b390a09e285c7a5cb (patch) | |
| tree | 03034791bdc8e08ccbeeec1bce4777305c46e486 /asm/crt0.s | |
| parent | ae1f731e60360437044c724675627c56bf404f25 (diff) | |
begin decompiling main.s
Diffstat (limited to 'asm/crt0.s')
| -rw-r--r-- | asm/crt0.s | 43 |
1 files changed, 21 insertions, 22 deletions
diff --git a/asm/crt0.s b/asm/crt0.s index 65aa8ed4b..a65ae1b7e 100644 --- a/asm/crt0.s +++ b/asm/crt0.s @@ -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 |