mirror of
https://github.com/Ninjdai1/pokeemerald.git
synced 2024-12-28 04:34:28 +01:00
83 lines
1.3 KiB
ArmAsm
83 lines
1.3 KiB
ArmAsm
.include "asm/macros/function.inc"
|
|
.include "constants/gba_constants.inc"
|
|
|
|
.syntax unified
|
|
|
|
.text
|
|
|
|
.arm
|
|
.align 2, 0
|
|
.global Init
|
|
Init:
|
|
mov r0, #PSR_IRQ_MODE
|
|
msr cpsr_cf, r0
|
|
ldr sp, sp_irq
|
|
mov r0, #PSR_SYS_MODE
|
|
msr cpsr_cf, r0
|
|
ldr sp, sp_sys
|
|
ldr r1, =INTR_VECTOR
|
|
ldr r0, =IntrMain
|
|
str r0, [r1]
|
|
ldr r1, =AgbMain + 1
|
|
mov lr, pc
|
|
bx r1
|
|
b Init
|
|
|
|
.align 2, 0
|
|
sp_sys: .word IWRAM_END - 0x100
|
|
sp_irq: .word IWRAM_END - 0x60
|
|
|
|
.pool
|
|
.size Init, .-Init
|
|
|
|
.arm
|
|
.align 2, 0
|
|
.global IntrMain
|
|
IntrMain: @ 0x2010048
|
|
mov ip, #REG_BASE
|
|
add r3, ip, #OFFSET_REG_IE
|
|
ldr r2, [r3]
|
|
and r1, r2, r2, lsr #16
|
|
mov r2, #0
|
|
ands r0, r1, #0x2000
|
|
strbne r0, [r3, #-0x17c]
|
|
_02010064:
|
|
bne _02010064
|
|
ands r0, r1, #0xc0
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #1
|
|
strhne r0, [ip, #-8]
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #2
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #4
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #0x100
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #0x200
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #0x400
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #0x800
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #0x1000
|
|
bne _020100DC
|
|
add r2, r2, #4
|
|
ands r0, r1, #8
|
|
_020100DC:
|
|
strh r0, [r3, #2]
|
|
ldr r1, =gIntrTable
|
|
add r1, r1, r2
|
|
ldr r0, [r1]
|
|
bx r0
|
|
.pool
|
|
.size IntrMain, .-IntrMain
|