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-rw-r--r--asm/crt0.s76
1 files changed, 38 insertions, 38 deletions
diff --git a/asm/crt0.s b/asm/crt0.s
index 8530a76f5..0d891141e 100644
--- a/asm/crt0.s
+++ b/asm/crt0.s
@@ -122,10 +122,10 @@ CartIdent:
.align 2, 0
.global start_vector
start_vector:
- mov r0, PSR_IRQ_MODE
+ mov r0, #PSR_IRQ_MODE
msr cpsr_cf, r0
ldr sp, sp_irq
- mov r0, PSR_SYS_MODE
+ mov r0, #PSR_SYS_MODE
msr cpsr_cf, r0
ldr sp, sp_usr
ldr r1, =INTR_VECTOR
@@ -146,76 +146,76 @@ sp_irq: .word IWRAM_END - 0x60
.align 2, 0
.global intr_main
intr_main:
- mov r3, REG_BASE
- add r3, r3, 0x200
- ldr r2, [r3, OFFSET_REG_IE - 0x200]
- ldrh r1, [r3, OFFSET_REG_IME - 0x200]
+ mov r3, #REG_BASE
+ add r3, r3, #OFFSET_REG_IE
+ ldr r2, [r3]
+ ldrh r1, [r3, #REG_IME - REG_IE]
mrs r0, spsr
stmdb sp!, {r0-r3,lr}
- mov r0, 0
- strh r0, [r3, OFFSET_REG_IME - 0x200]
- and r1, r2, r2, lsr 16
- mov r12, 0
- ands r0, r1, INTR_FLAG_VCOUNT
+ mov r0, #0
+ strh r0, [r3, #REG_IME - REG_IE]
+ and r1, r2, r2, lsr #16
+ mov r12, #0
+ ands r0, r1, #INTR_FLAG_VCOUNT
bne jump_intr
add r12, r12, 0x4
mov r0, 0x1
- strh r0, [r3, OFFSET_REG_IME - 0x200]
- ands r0, r1, INTR_FLAG_SERIAL
+ strh r0, [r3, #REG_IME - REG_IE]
+ ands r0, r1, #INTR_FLAG_SERIAL
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_TIMER3
+ ands r0, r1, #INTR_FLAG_TIMER3
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_HBLANK
+ ands r0, r1, #INTR_FLAG_HBLANK
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_VBLANK
+ ands r0, r1, #INTR_FLAG_VBLANK
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_TIMER0
+ ands r0, r1, #INTR_FLAG_TIMER0
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_TIMER1
+ ands r0, r1, #INTR_FLAG_TIMER1
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_TIMER2
+ ands r0, r1, #INTR_FLAG_TIMER2
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_DMA0
+ ands r0, r1, #INTR_FLAG_DMA0
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_DMA1
+ ands r0, r1, #INTR_FLAG_DMA1
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_DMA2
+ ands r0, r1, #INTR_FLAG_DMA2
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_DMA3
+ ands r0, r1, #INTR_FLAG_DMA3
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_KEYPAD
+ ands r0, r1, #INTR_FLAG_KEYPAD
bne jump_intr
add r12, r12, 0x4
- ands r0, r1, INTR_FLAG_GAMEPAK
- strbne r0, [r3, OFFSET_REG_SOUNDCNT_X - 0x200]
+ ands r0, r1, #INTR_FLAG_GAMEPAK
+ strbne r0, [r3, #REG_SOUNDCNT_X - REG_IE]
loop:
bne loop @ spin
jump_intr:
- strh r0, [r3, OFFSET_REG_IF - 0x200]
+ strh r0, [r3, #REG_IF - REG_IE]
bic r2, r2, r0
ldr r0, =gSTWIStatus
ldr r0, [r0]
ldrb r0, [r0, 0xA]
- mov r1, INTR_FLAG_TIMER0
- mov r0, r1, lsl r0
- orr r0, r0, INTR_FLAG_GAMEPAK
- orr r1, r0, INTR_FLAG_SERIAL | INTR_FLAG_TIMER3 | INTR_FLAG_VCOUNT | INTR_FLAG_HBLANK
+ mov r1, #INTR_FLAG_TIMER0
+ lsl r0, r1, r0
+ 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, OFFSET_REG_IE - 0x200]
+ strh r1, [r3, #0]
mrs r3, cpsr
- bic r3, r3, PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK
- orr r3, r3, PSR_SYS_MODE
+ bic r3, r3, #PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK
+ orr r3, r3, #PSR_SYS_MODE
msr cpsr_cf, r3
ldr r1, =gIntrTable
add r1, r1, r12
@@ -226,12 +226,12 @@ jump_intr:
intr_return:
ldmia sp!, {lr}
mrs r3, cpsr
- bic r3, r3, PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK
- orr r3, r3, PSR_I_BIT | PSR_IRQ_MODE
+ bic r3, r3, #PSR_I_BIT | PSR_F_BIT | PSR_MODE_MASK
+ orr r3, r3, #PSR_I_BIT | PSR_IRQ_MODE
msr cpsr_cf, r3
ldmia sp!, {r0-r3,lr}
- strh r2, [r3, OFFSET_REG_IE - 0x200]
- strh r1, [r3, OFFSET_REG_IME - 0x200]
+ strh r2, [r3, #0]
+ strh r1, [r3, #REG_IME - REG_IE]
msr spsr_cf, r0
bx lr