1 files changed, 155 insertions, 0 deletions
diff --git a/arm7/asm/OS_interrupt.s b/arm7/asm/OS_interrupt.s
new file mode 100644
index 00000000..48fc9d1b
--- /dev/null
+++ b/arm7/asm/OS_interrupt.s
@@ -0,0 +1,155 @@
+	.include "asm/macros.inc"
+	.include "global.inc"
+
+    .text
+
+	arm_func_start OS_ResetRequestIrqMask
+OS_ResetRequestIrqMask: ; 0x037F8824
+	ldr	ip, _037F8850	; =0x04000208
+	ldrh	r3, [ip]
+	mov	r1, #0
+	strh	r1, [ip]
+	ldr	r2, _037F8854	; =0x04000214
+	ldr	r1, [r2]
+	str	r0, [r2]
+	ldrh	r0, [ip]
+	strh	r3, [ip]
+	mov	r0, r1
+	bx	lr
+_037F8850:	.word	0x04000208
+_037F8854:	.word	0x04000214
+
+	arm_func_start OS_DisableIrqMask
+OS_DisableIrqMask: ; 0x037F8858
+	ldr	ip, _037F888C	; =0x04000208
+	ldrh	r3, [ip]
+	mov	r1, #0
+	strh	r1, [ip]
+	ldr	r2, _037F8890	; =0x04000210
+	ldr	r1, [r2]
+	mvn	r0, r0
+	and	r0, r1, r0
+	str	r0, [r2]
+	ldrh	r0, [ip]
+	strh	r3, [ip]
+	mov	r0, r1
+	bx	lr
+_037F888C:	.word	0x04000208
+_037F8890:	.word	0x04000210
+
+	arm_func_start OS_EnableIrqMask
+OS_EnableIrqMask: ; 0x037F8894
+	ldr	ip, _037F88C4	; =0x04000208
+	ldrh	r3, [ip]
+	mov	r1, #0
+	strh	r1, [ip]
+	ldr	r2, _037F88C8	; =0x04000210
+	ldr	r1, [r2]
+	orr	r0, r1, r0
+	str	r0, [r2]
+	ldrh	r0, [ip]
+	strh	r3, [ip]
+	mov	r0, r1
+	bx	lr
+_037F88C4:	.word	0x04000208
+_037F88C8:	.word	0x04000210
+
+	arm_func_start OS_SetIrqMask
+OS_SetIrqMask: ; 0x037F88CC
+	ldr	ip, _037F88F8	; =0x04000208
+	ldrh	r3, [ip]
+	mov	r1, #0
+	strh	r1, [ip]
+	ldr	r2, _037F88FC	; =0x04000210
+	ldr	r1, [r2]
+	str	r0, [r2]
+	ldrh	r0, [ip]
+	strh	r3, [ip]
+	mov	r0, r1
+	bx	lr
+_037F88F8:	.word	0x04000208
+_037F88FC:	.word	0x04000210
+
+	arm_func_start OSi_EnterTimerCallback
+OSi_EnterTimerCallback: ; 0x037F8900
+	stmdb	sp!, {r4, lr}
+	mov	r3, #12
+	mul	r4, r0, r3
+	ldr	r3, _037F8940	; =_03807744
+	str	r1, [r3, r4]
+	ldr	r1, _037F8944	; =_0380774C
+	str	r2, [r1, r4]
+	mov	r1, #1
+	add	r0, r0, #3
+	mov	r0, r1, lsl r0
+	bl	OS_EnableIrqMask
+	mov	r1, #1
+	ldr	r0, _037F8948	; =_03807748
+	str	r1, [r0, r4]
+	ldmia	sp!, {r4, lr}
+	bx	lr
+_037F8940:	.word	_03807744
+_037F8944:	.word	_0380774C
+_037F8948:	.word	_03807748
+
+	arm_func_start OS_SetIrqFunction
+OS_SetIrqFunction: ; 0x037F894C
+	stmdb	sp!, {r4, r5, r6, r7, r8, r9, lr}
+	sub	sp, sp, #4
+	mov	r9, #0
+	mov	r7, r9
+	ldr	lr, _037F89E8	; =OS_IRQTable
+	ldr	r4, _037F89EC	; =_03807774
+	ldr	r6, _037F89F0	; =OSi_IrqCallbackInfo
+	mov	ip, r9
+	mov	r3, #1
+	mov	r2, #12
+_037F8974:
+	ands	r5, r0, #1
+	beq	_037F89CC
+	mov	r8, r7
+	cmp	r9, #8
+	blt	_037F8998
+	cmp	r9, #11
+	suble	r5, r9, #8
+	mlale	r8, r5, r2, r6
+	ble	_037F89BC
+_037F8998:
+	cmp	r9, #3
+	blt	_037F89B0
+	cmp	r9, #6
+	addle	r5, r9, #1
+	mlale	r8, r5, r2, r6
+	ble	_037F89BC
+_037F89B0:
+	cmp	r9, #0
+	moveq	r8, r4
+	strne	r1, [lr, r9, lsl #2]
+_037F89BC:
+	cmp	r8, #0
+	strne	r1, [r8]
+	strne	ip, [r8, #8]
+	strne	r3, [r8, #4]
+_037F89CC:
+	mov	r0, r0, lsr #1
+	add	r9, r9, #1
+	cmp	r9, #25
+	blt	_037F8974
+	add	sp, sp, #4
+	ldmia	sp!, {r4, r5, r6, r7, r8, r9, lr}
+	bx	lr
+_037F89E8:	.word	OS_IRQTable
+_037F89EC:	.word	_03807774
+_037F89F0:	.word	OSi_IrqCallbackInfo
+
+	arm_func_start OS_InitIrqTable
+OS_InitIrqTable: ; 0x037F89F4
+	mov	r1, #0
+	ldr	r0, _037F8A10	; =OSi_IrqThreadQueue
+	str	r1, [r0, #4]
+	str	r1, [r0]
+	ldr	r0, _037F8A14	; =0x027FFC3C
+	str	r1, [r0]
+	bx	lr
+_037F8A10:	.word	OSi_IrqThreadQueue
+_037F8A14:	.word	0x027FFC3C