1 files changed, 208 insertions, 0 deletions
diff --git a/arm9/asm/OS_message.s b/arm9/asm/OS_message.s
new file mode 100644
index 00000000..1382e436
--- /dev/null
+++ b/arm9/asm/OS_message.s
@@ -0,0 +1,208 @@
+    .include "asm/macros.inc"
+    .include "global.inc"
+
+    .text
+
+	arm_func_start OS_ReadMessage
+OS_ReadMessage: ; 0x020CBBE0
+	stmdb sp!, {r4-r8,lr}
+	mov r6, r0
+	mov r5, r1
+	mov r7, r2
+	bl OS_DisableInterrupts
+	ldr r1, [r6, #0x1c]
+	mov r4, r0
+	cmp r1, #0x0
+	bne _020CBC3C
+	and r8, r7, #0x1
+	add r7, r6, #0x8
+_020CBC0C:
+	cmp r8, #0x0
+	bne _020CBC28
+	mov r0, r4
+	bl OS_RestoreInterrupts
+_020CBC1C:
+	mov r0, #0x0
+	ldmia sp!, {r4-r8,lr}
+	bx lr
+_020CBC28:
+	mov r0, r7
+	bl OS_SleepThread
+	ldr r0, [r6, #0x1c]
+	cmp r0, #0x0
+	beq _020CBC0C
+_020CBC3C:
+	cmp r5, #0x0
+	ldrne r1, [r6, #0x10]
+	ldrne r0, [r6, #0x18]
+	ldrne r0, [r1, r0, lsl #0x2]
+	strne r0, [r5, #0x0]
+	mov r0, r4
+	bl OS_RestoreInterrupts
+	mov r0, #0x1
+	ldmia sp!, {r4-r8,lr}
+	bx lr
+
+	arm_func_start OS_JamMessage
+OS_JamMessage: ; 0x020CBC64
+	stmdb sp!, {r4-r7,lr}
+	sub sp, sp, #0x4
+	mov r6, r0
+	mov r5, r1
+	mov r7, r2
+	bl OS_DisableInterrupts
+	ldr r1, [r6, #0x14]
+	ldr r2, [r6, #0x1c]
+	mov r4, r0
+	cmp r1, r2
+	bgt _020CBCCC
+	and r7, r7, #0x1
+_020CBC94:
+	cmp r7, #0x0
+	bne _020CBCB4
+	mov r0, r4
+	bl OS_RestoreInterrupts
+	add sp, sp, #0x4
+	mov r0, #0x0
+	ldmia sp!, {r4-r7,lr}
+	bx lr
+_020CBCB4:
+	mov r0, r6
+	bl OS_SleepThread
+	ldr r1, [r6, #0x14]
+	ldr r0, [r6, #0x1c]
+	cmp r1, r0
+	ble _020CBC94
+_020CBCCC:
+	ldr r0, [r6, #0x18]
+	add r0, r0, r1
+	sub r0, r0, #0x1
+	bl _s32_div_f
+	str r1, [r6, #0x18]
+	ldr r2, [r6, #0x10]
+	ldr r1, [r6, #0x18]
+	add r0, r6, #0x8
+	str r5, [r2, r1, lsl #0x2]
+	ldr r1, [r6, #0x1c]
+	add r1, r1, #0x1
+	str r1, [r6, #0x1c]
+	bl OS_WakeupThread
+	mov r0, r4
+	bl OS_RestoreInterrupts
+	mov r0, #0x1
+	add sp, sp, #0x4
+	ldmia sp!, {r4-r7,lr}
+	bx lr
+
+	arm_func_start OS_ReceiveMessage
+OS_ReceiveMessage: ; 0x020CBD18
+	stmdb sp!, {r4-r8,lr}
+	mov r6, r0
+	mov r5, r1
+	mov r7, r2
+	bl OS_DisableInterrupts
+	ldr r1, [r6, #0x1c]
+	mov r4, r0
+	cmp r1, #0x0
+	bne _020CBD74
+	and r8, r7, #0x1
+	add r7, r6, #0x8
+_020CBD44:
+	cmp r8, #0x0
+	bne _020CBD60
+	mov r0, r4
+	bl OS_RestoreInterrupts
+_020CBD54:
+	mov r0, #0x0
+	ldmia sp!, {r4-r8,lr}
+	bx lr
+_020CBD60:
+	mov r0, r7
+	bl OS_SleepThread
+	ldr r0, [r6, #0x1c]
+	cmp r0, #0x0
+	beq _020CBD44
+_020CBD74:
+	cmp r5, #0x0
+	ldrne r1, [r6, #0x10]
+	ldrne r0, [r6, #0x18]
+	ldrne r0, [r1, r0, lsl #0x2]
+	strne r0, [r5, #0x0]
+	ldr r0, [r6, #0x18]
+	ldr r1, [r6, #0x14]
+	add r0, r0, #0x1
+	bl _s32_div_f
+	str r1, [r6, #0x18]
+	ldr r1, [r6, #0x1c]
+	mov r0, r6
+	sub r1, r1, #0x1
+	str r1, [r6, #0x1c]
+	bl OS_WakeupThread
+	mov r0, r4
+	bl OS_RestoreInterrupts
+	mov r0, #0x1
+	ldmia sp!, {r4-r8,lr}
+	bx lr
+
+	arm_func_start OS_SendMessage
+OS_SendMessage: ; 0x020CBDC4
+	stmdb sp!, {r4-r7,lr}
+	sub sp, sp, #0x4
+	mov r6, r0
+	mov r5, r1
+	mov r7, r2
+	bl OS_DisableInterrupts
+	ldr r2, [r6, #0x1c]
+	ldr r1, [r6, #0x14]
+	mov r4, r0
+	cmp r1, r2
+	bgt _020CBE2C
+	and r7, r7, #0x1
+_020CBDF4:
+	cmp r7, #0x0
+	bne _020CBE14
+	mov r0, r4
+	bl OS_RestoreInterrupts
+	add sp, sp, #0x4
+	mov r0, #0x0
+	ldmia sp!, {r4-r7,lr}
+	bx lr
+_020CBE14:
+	mov r0, r6
+	bl OS_SleepThread
+	ldr r2, [r6, #0x1c]
+	ldr r1, [r6, #0x14]
+	cmp r1, r2
+	ble _020CBDF4
+_020CBE2C:
+	ldr r0, [r6, #0x18]
+	add r0, r0, r2
+	bl _s32_div_f
+	ldr r2, [r6, #0x10]
+	add r0, r6, #0x8
+	str r5, [r2, r1, lsl #0x2]
+	ldr r1, [r6, #0x1c]
+	add r1, r1, #0x1
+	str r1, [r6, #0x1c]
+	bl OS_WakeupThread
+	mov r0, r4
+	bl OS_RestoreInterrupts
+	mov r0, #0x1
+	add sp, sp, #0x4
+	ldmia sp!, {r4-r7,lr}
+	bx lr
+
+	arm_func_start OS_InitMessageQueue
+OS_InitMessageQueue: ; 0x020CBE6C
+	mov r12, #0x0
+	str r12, [r0, #0x4]
+	ldr r3, [r0, #0x4]
+	str r3, [r0, #0x0]
+	str r12, [r0, #0xc]
+	ldr r3, [r0, #0xc]
+	str r3, [r0, #0x8]
+	str r1, [r0, #0x10]
+	str r2, [r0, #0x14]
+	str r12, [r0, #0x18]
+	str r12, [r0, #0x1c]
+	bx lr