split out some code

asm/dma3_manager.s

@@ -0,0 +1,553 @@
+	thumb_func_start dma3_transfer_queue_clear
+dma3_transfer_queue_clear: @ 8000BB8
+	push {lr}
+	ldr r2, =0x03000810
+	movs r0, 0x1
+	strb r0, [r2]
+	ldr r1, =0x03000811
+	movs r0, 0
+	strb r0, [r1]
+	movs r3, 0
+	ldr r0, =0x03000010
+	movs r1, 0x7F
+_08000BCC:
+	strh r3, [r0, 0x8]
+	str r3, [r0]
+	str r3, [r0, 0x4]
+	adds r0, 0x10
+	subs r1, 0x1
+	cmp r1, 0
+	bge _08000BCC
+	movs r0, 0
+	strb r0, [r2]
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end dma3_transfer_queue_clear
+
+	thumb_func_start dma_transfer_queue_process
+dma_transfer_queue_process: @ 8000BF0
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0xC
+	ldr r0, =0x03000810
+	ldrb r0, [r0]
+	cmp r0, 0
+	beq _08000C06
+	b _08000E46
+_08000C06:
+	movs r0, 0
+	str r0, [sp, 0x8]
+	ldr r1, =0x03000010
+	ldr r2, =0x03000811
+	ldrb r0, [r2]
+	lsls r0, 4
+	adds r0, r1
+	ldrh r0, [r0, 0x8]
+	mov r12, r2
+	cmp r0, 0
+	bne _08000C1E
+	b _08000E46
+_08000C1E:
+	mov r8, r1
+	adds r1, 0x4
+	mov r10, r1
+	movs r6, 0x80
+	lsls r6, 5
+	ldr r7, =0x040000d4
+	movs r2, 0
+	mov r9, r2
+_08000C2E:
+	mov r3, r12
+	ldrb r0, [r3]
+	lsls r5, r0, 4
+	mov r0, r8
+	adds r1, r5, r0
+	ldrh r0, [r1, 0x8]
+	ldr r2, [sp, 0x8]
+	adds r0, r2, r0
+	lsls r0, 16
+	lsrs r0, 16
+	str r0, [sp, 0x8]
+	movs r0, 0xA0
+	lsls r0, 8
+	ldr r3, [sp, 0x8]
+	cmp r3, r0
+	bls _08000C50
+	b _08000E46
+_08000C50:
+	ldr r0, =0x04000006
+	ldrb r0, [r0]
+	cmp r0, 0xE0
+	bls _08000C5A
+	b _08000E46
+_08000C5A:
+	ldrh r0, [r1, 0xA]
+	cmp r0, 0x2
+	beq _08000CD0
+	cmp r0, 0x2
+	bgt _08000C80
+	cmp r0, 0x1
+	beq _08000C8C
+	b _08000DF0
+	.align 2, 0
+	.pool
+_08000C80:
+	cmp r0, 0x3
+	beq _08000D3C
+	cmp r0, 0x4
+	bne _08000C8A
+	b _08000D88
+_08000C8A:
+	b _08000DF0
+_08000C8C:
+	ldr r3, [r1]
+	mov r2, r10
+	adds r0, r5, r2
+	ldr r2, [r0]
+	ldrh r1, [r1, 0x8]
+	cmp r1, r6
+	bhi _08000CA6
+	str r3, [r7]
+	str r2, [r7, 0x4]
+	lsrs r0, r1, 2
+	movs r1, 0x84
+	lsls r1, 24
+	b _08000DAA
+_08000CA6:
+	ldr r4, =0x040000d4
+	str r3, [r4]
+	str r2, [r4, 0x4]
+	ldr r0, =0x84000400
+	str r0, [r4, 0x8]
+	ldr r0, [r4, 0x8]
+	adds r3, r6
+	adds r2, r6
+	subs r1, r6
+	cmp r1, r6
+	bhi _08000CA6
+	str r3, [r4]
+	str r2, [r4, 0x4]
+	lsrs r0, r1, 2
+	movs r1, 0x84
+	lsls r1, 24
+	b _08000D76
+	.align 2, 0
+	.pool
+_08000CD0:
+	mov r3, r10
+	adds r0, r5, r3
+	ldr r4, [r0]
+	ldrh r1, [r1, 0x8]
+	cmp r1, r6
+	bhi _08000CF4
+	mov r0, r8
+	adds r0, 0xC
+	adds r0, r5, r0
+	ldr r0, [r0]
+	str r0, [sp]
+	mov r5, sp
+	str r5, [r7]
+	str r4, [r7, 0x4]
+	lsrs r0, r1, 2
+	movs r1, 0x85
+	lsls r1, 24
+	b _08000DAA
+_08000CF4:
+	mov r2, r12
+	ldrb r0, [r2]
+	lsls r0, 4
+	mov r5, r8
+	adds r5, 0xC
+	adds r0, r5
+	ldr r0, [r0]
+	str r0, [sp]
+	ldr r3, =0x040000d4
+	mov r0, sp
+	str r0, [r3]
+	str r4, [r3, 0x4]
+	ldr r0, =0x85000400
+	str r0, [r3, 0x8]
+	ldr r0, [r3, 0x8]
+	adds r4, r6
+	subs r1, r6
+	cmp r1, r6
+	bhi _08000CF4
+	ldrb r0, [r2]
+	lsls r0, 4
+	adds r0, r5
+	ldr r0, [r0]
+	str r0, [sp]
+	mov r2, sp
+	str r2, [r3]
+	str r4, [r3, 0x4]
+	lsrs r0, r1, 2
+	movs r1, 0x85
+	lsls r1, 24
+	b _08000DEA
+	.align 2, 0
+	.pool
+_08000D3C:
+	ldr r3, [r1]
+	mov r2, r10
+	adds r0, r5, r2
+	ldr r2, [r0]
+	ldrh r1, [r1, 0x8]
+	cmp r1, r6
+	bhi _08000D56
+	str r3, [r7]
+	str r2, [r7, 0x4]
+	lsrs r0, r1, 1
+	movs r1, 0x80
+	lsls r1, 24
+	b _08000DAA
+_08000D56:
+	ldr r4, =0x040000d4
+	str r3, [r4]
+	str r2, [r4, 0x4]
+	ldr r0, =0x80000800
+	str r0, [r4, 0x8]
+	ldr r0, [r4, 0x8]
+	adds r3, r6
+	adds r2, r6
+	subs r1, r6
+	cmp r1, r6
+	bhi _08000D56
+	str r3, [r4]
+	str r2, [r4, 0x4]
+	lsrs r0, r1, 1
+	movs r1, 0x80
+	lsls r1, 24
+_08000D76:
+	orrs r0, r1
+	str r0, [r4, 0x8]
+	ldr r0, [r4, 0x8]
+	b _08000DF0
+	.align 2, 0
+	.pool
+_08000D88:
+	mov r3, r10
+	adds r0, r5, r3
+	ldr r2, [r0]
+	ldrh r4, [r1, 0x8]
+	add r1, sp, 0x4
+	cmp r4, r6
+	bhi _08000DB2
+	mov r0, r8
+	adds r0, 0xC
+	adds r0, r5, r0
+	ldr r0, [r0]
+	strh r0, [r1]
+	str r1, [r7]
+	str r2, [r7, 0x4]
+	lsrs r0, r4, 1
+	movs r1, 0x81
+	lsls r1, 24
+_08000DAA:
+	orrs r0, r1
+	str r0, [r7, 0x8]
+	ldr r0, [r7, 0x8]
+	b _08000DF0
+_08000DB2:
+	mov r5, r12
+	ldrb r0, [r5]
+	lsls r0, 4
+	ldr r3, =0x0300001c
+	adds r0, r3
+	ldr r0, [r0]
+	strh r0, [r1]
+	ldr r3, =0x040000d4
+	str r1, [r3]
+	str r2, [r3, 0x4]
+	ldr r0, =0x81000800
+	str r0, [r3, 0x8]
+	ldr r0, [r3, 0x8]
+	adds r2, r6
+	subs r4, r6
+	cmp r4, r6
+	bhi _08000DB2
+	ldrb r0, [r5]
+	lsls r0, 4
+	ldr r5, =0x0300001c
+	adds r0, r5
+	ldr r0, [r0]
+	strh r0, [r1]
+	str r1, [r3]
+	str r2, [r3, 0x4]
+	lsrs r0, r4, 1
+	movs r1, 0x81
+	lsls r1, 24
+_08000DEA:
+	orrs r0, r1
+	str r0, [r3, 0x8]
+	ldr r0, [r3, 0x8]
+_08000DF0:
+	ldr r1, =0x03000010
+	mov r3, r12
+	ldrb r0, [r3]
+	lsls r0, 4
+	adds r0, r1
+	mov r2, r9
+	str r2, [r0]
+	ldrb r0, [r3]
+	lsls r0, 4
+	add r0, r10
+	str r2, [r0]
+	ldrb r0, [r3]
+	lsls r0, 4
+	adds r0, r1
+	movs r4, 0
+	strh r2, [r0, 0x8]
+	ldrb r0, [r3]
+	lsls r0, 4
+	adds r0, r1
+	mov r5, r9
+	strh r5, [r0, 0xA]
+	ldrb r0, [r3]
+	lsls r0, 4
+	adds r1, 0xC
+	adds r0, r1
+	mov r1, r9
+	str r1, [r0]
+	ldrb r0, [r3]
+	adds r0, 0x1
+	strb r0, [r3]
+	lsls r0, 24
+	cmp r0, 0
+	bge _08000E34
+	strb r4, [r3]
+_08000E34:
+	mov r2, r12
+	ldrb r0, [r2]
+	lsls r0, 4
+	ldr r3, =0x03000010
+	adds r0, r3
+	ldrh r0, [r0, 0x8]
+	cmp r0, 0
+	beq _08000E46
+	b _08000C2E
+_08000E46:
+	add sp, 0xC
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end dma_transfer_queue_process
+
+	thumb_func_start dma3_transfer_queue_add_copy
+dma3_transfer_queue_add_copy: @ 8000E68
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	mov r12, r0
+	mov r8, r1
+	lsls r2, 16
+	lsrs r7, r2, 16
+	lsls r3, 24
+	lsrs r4, r3, 24
+	movs r5, 0
+	ldr r1, =0x03000810
+	movs r0, 0x1
+	strb r0, [r1]
+	ldr r0, =0x03000811
+	ldrb r2, [r0]
+	mov r10, r1
+	ldr r6, =0x03000010
+	mov r9, r6
+	lsls r0, r2, 4
+	adds r1, r0, r6
+_08000E94:
+	lsls r3, r2, 4
+	ldrh r0, [r1, 0x8]
+	cmp r0, 0
+	bne _08000ED4
+	mov r0, r12
+	str r0, [r1]
+	mov r0, r9
+	adds r0, 0x4
+	adds r0, r3, r0
+	mov r3, r8
+	str r3, [r0]
+	strh r7, [r1, 0x8]
+	cmp r4, 0x1
+	bne _08000EC0
+	strh r4, [r1, 0xA]
+	b _08000EC4
+	.align 2, 0
+	.pool
+_08000EC0:
+	movs r0, 0x3
+	strh r0, [r1, 0xA]
+_08000EC4:
+	movs r0, 0
+	ldr r1, =0x03000810
+	strb r0, [r1]
+	lsls r0, r2, 16
+	asrs r0, 16
+	b _08000EF0
+	.align 2, 0
+	.pool
+_08000ED4:
+	adds r1, 0x10
+	adds r2, 0x1
+	cmp r2, 0x7F
+	ble _08000EE0
+	adds r1, r6, 0
+	movs r2, 0
+_08000EE0:
+	adds r5, 0x1
+	cmp r5, 0x7F
+	ble _08000E94
+	movs r0, 0
+	mov r3, r10
+	strb r0, [r3]
+	movs r0, 0x1
+	negs r0, r0
+_08000EF0:
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end dma3_transfer_queue_add_copy
+
+	thumb_func_start dma3_transfer_queue_add_fill
+dma3_transfer_queue_add_fill: @ 8000F00
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	mov r9, r0
+	mov r8, r1
+	lsls r2, 16
+	lsrs r7, r2, 16
+	lsls r3, 24
+	lsrs r5, r3, 24
+	movs r6, 0
+	ldr r0, =0x03000811
+	ldrb r2, [r0]
+	ldr r1, =0x03000810
+	movs r0, 0x1
+	strb r0, [r1]
+	mov r10, r1
+	ldr r0, =0x03000010
+	mov r12, r0
+	mov r4, r12
+	lsls r0, r2, 4
+	adds r0, 0x8
+	adds r1, r0, r4
+_08000F30:
+	lsls r3, r2, 4
+	ldrh r0, [r1]
+	cmp r0, 0
+	bne _08000F78
+	adds r0, r4, 0x4
+	adds r0, r3, r0
+	mov r6, r8
+	str r6, [r0]
+	strh r7, [r1]
+	strh r5, [r1, 0x2]
+	adds r0, r4, 0
+	adds r0, 0xC
+	adds r0, r3, r0
+	mov r3, r9
+	str r3, [r0]
+	cmp r5, 0x1
+	bne _08000F64
+	movs r0, 0x2
+	b _08000F66
+	.align 2, 0
+	.pool
+_08000F64:
+	movs r0, 0x4
+_08000F66:
+	strh r0, [r1, 0x2]
+	movs r0, 0
+	ldr r6, =0x03000810
+	strb r0, [r6]
+	lsls r0, r2, 16
+	asrs r0, 16
+	b _08000F96
+	.align 2, 0
+	.pool
+_08000F78:
+	adds r1, 0x10
+	adds r2, 0x1
+	cmp r2, 0x7F
+	ble _08000F86
+	mov r1, r12
+	adds r1, 0x8
+	movs r2, 0
+_08000F86:
+	adds r6, 0x1
+	cmp r6, 0x7F
+	ble _08000F30
+	movs r0, 0
+	mov r1, r10
+	strb r0, [r1]
+	movs r0, 0x1
+	negs r0, r0
+_08000F96:
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r1}
+	bx r1
+	thumb_func_end dma3_transfer_queue_add_fill
+
+	thumb_func_start dma3_transfer_queue_check_for_space
+dma3_transfer_queue_check_for_space: @ 8000FA4
+	push {lr}
+	movs r2, 0
+	lsls r0, 16
+	asrs r1, r0, 16
+	movs r3, 0x1
+	negs r3, r3
+	cmp r1, r3
+	bne _08000FCC
+	ldr r1, =0x03000010
+_08000FB6:
+	ldrh r0, [r1, 0x8]
+	cmp r0, 0
+	bne _08000FD8
+	adds r1, 0x10
+	adds r2, 0x1
+	cmp r2, 0x7F
+	ble _08000FB6
+_08000FC4:
+	movs r0, 0
+	b _08000FDC
+	.align 2, 0
+	.pool
+_08000FCC:
+	ldr r0, =0x03000010
+	lsls r1, 4
+	adds r1, r0
+	ldrh r0, [r1, 0x8]
+	cmp r0, 0
+	beq _08000FC4
+_08000FD8:
+	movs r0, 0x1
+	negs r0, r0
+_08000FDC:
+	pop {r1}
+	bx r1
+	.align 2, 0
+	.pool
+	thumb_func_end dma3_transfer_queue_check_for_space

asm/gpu_reg_manager.s

@@ -0,0 +1,414 @@
+	thumb_func_start lcd_io_copy_queue_clean
+lcd_io_copy_queue_clean: @ 8000FE4
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	movs r2, 0
+	ldr r7, =0x030008d8
+	ldr r0, =0x030008d9
+	mov r12, r0
+	ldr r1, =0x030008da
+	mov r8, r1
+	ldr r6, =0x03000818
+	movs r5, 0
+	ldr r4, =0x03000878
+	movs r3, 0xFF
+_08000FFE:
+	adds r0, r2, r6
+	strb r5, [r0]
+	adds r1, r2, r4
+	ldrb r0, [r1]
+	orrs r0, r3
+	strb r0, [r1]
+	adds r2, 0x1
+	cmp r2, 0x5F
+	ble _08000FFE
+	movs r0, 0
+	strb r0, [r7]
+	mov r1, r12
+	strb r0, [r1]
+	movs r0, 0
+	mov r1, r8
+	strh r0, [r1]
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end lcd_io_copy_queue_clean
+
+	thumb_func_start lcd_io_buffer_to_hardware
+lcd_io_buffer_to_hardware: @ 800103C
+	push {lr}
+	lsls r0, 24
+	lsrs r2, r0, 24
+	cmp r2, 0x4
+	bne _08001068
+	ldr r2, =0x04000004
+	ldrh r1, [r2]
+	ldr r0, =0x0000ffe7
+	ands r0, r1
+	strh r0, [r2]
+	ldr r1, =0x0300081c
+	ldrh r0, [r2]
+	ldrh r1, [r1]
+	orrs r0, r1
+	strh r0, [r2]
+	b _08001076
+	.align 2, 0
+	.pool
+_08001068:
+	movs r0, 0x80
+	lsls r0, 19
+	adds r0, r2, r0
+	ldr r1, =0x03000818
+	adds r1, r2, r1
+	ldrh r1, [r1]
+	strh r1, [r0]
+_08001076:
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end lcd_io_buffer_to_hardware
+
+	thumb_func_start lcd_io_copy_queue_process
+lcd_io_copy_queue_process: @ 8001080
+	push {r4,r5,lr}
+	ldr r0, =0x030008d8
+	ldrb r0, [r0]
+	cmp r0, 0
+	bne _080010A4
+	movs r5, 0
+_0800108C:
+	ldr r0, =0x03000878
+	adds r4, r5, r0
+	ldrb r0, [r4]
+	cmp r0, 0xFF
+	beq _080010A4
+	bl lcd_io_buffer_to_hardware
+	movs r0, 0xFF
+	strb r0, [r4]
+	adds r5, 0x1
+	cmp r5, 0x5F
+	ble _0800108C
+_080010A4:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end lcd_io_copy_queue_process
+
+	thumb_func_start lcd_io_set
+lcd_io_set: @ 80010B4
+	push {r4,r5,lr}
+	lsls r0, 24
+	lsrs r4, r0, 24
+	lsls r1, 16
+	lsrs r1, 16
+	cmp r4, 0x5F
+	bhi _08001130
+	ldr r0, =0x03000818
+	adds r0, r4, r0
+	strh r1, [r0]
+	ldr r0, =0x04000006
+	ldrh r1, [r0]
+	movs r0, 0xFF
+	ands r0, r1
+	subs r0, 0xA1
+	lsls r0, 16
+	lsrs r0, 16
+	cmp r0, 0x40
+	bls _080010E8
+	movs r0, 0x80
+	lsls r0, 19
+	ldrh r1, [r0]
+	movs r0, 0x80
+	ands r0, r1
+	cmp r0, 0
+	beq _080010FE
+_080010E8:
+	adds r0, r4, 0
+	bl lcd_io_buffer_to_hardware
+	b _08001130
+	.align 2, 0
+	.pool
+_080010F8:
+	movs r0, 0
+	strb r0, [r5]
+	b _08001130
+_080010FE:
+	ldr r2, =0x030008d8
+	movs r0, 0x1
+	strb r0, [r2]
+	movs r3, 0
+	ldr r0, =0x03000878
+	ldrb r1, [r0]
+	adds r5, r2, 0
+	adds r2, r0, 0
+	cmp r1, 0xFF
+	beq _08001128
+	adds r1, r2, 0
+_08001114:
+	ldrb r0, [r1]
+	cmp r0, r4
+	beq _080010F8
+	adds r1, 0x1
+	adds r3, 0x1
+	cmp r3, 0x5F
+	bgt _08001128
+	ldrb r0, [r1]
+	cmp r0, 0xFF
+	bne _08001114
+_08001128:
+	adds r0, r3, r2
+	movs r1, 0
+	strb r4, [r0]
+	strb r1, [r5]
+_08001130:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end lcd_io_set
+
+	thumb_func_start lcd_io_set_forced_blank
+lcd_io_set_forced_blank: @ 8001140
+	push {r4,r5,lr}
+	lsls r0, 24
+	lsrs r4, r0, 24
+	lsls r1, 16
+	lsrs r1, 16
+	cmp r4, 0x5F
+	bhi _080011A8
+	ldr r0, =0x03000818
+	adds r0, r4, r0
+	strh r1, [r0]
+	movs r0, 0x80
+	lsls r0, 19
+	ldrh r1, [r0]
+	movs r0, 0x80
+	ands r0, r1
+	cmp r0, 0
+	beq _08001176
+	adds r0, r4, 0
+	bl lcd_io_buffer_to_hardware
+	b _080011A8
+	.align 2, 0
+	.pool
+_08001170:
+	movs r0, 0
+	strb r0, [r5]
+	b _080011A8
+_08001176:
+	ldr r2, =0x030008d8
+	movs r0, 0x1
+	strb r0, [r2]
+	movs r3, 0
+	ldr r0, =0x03000878
+	ldrb r1, [r0]
+	adds r5, r2, 0
+	adds r2, r0, 0
+	cmp r1, 0xFF
+	beq _080011A0
+	adds r1, r2, 0
+_0800118C:
+	ldrb r0, [r1]
+	cmp r0, r4
+	beq _08001170
+	adds r1, 0x1
+	adds r3, 0x1
+	cmp r3, 0x5F
+	bgt _080011A0
+	ldrb r0, [r1]
+	cmp r0, 0xFF
+	bne _0800118C
+_080011A0:
+	adds r0, r3, r2
+	movs r1, 0
+	strb r4, [r0]
+	strb r1, [r5]
+_080011A8:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end lcd_io_set_forced_blank
+
+	thumb_func_start lcd_io_get
+lcd_io_get: @ 80011B8
+	push {lr}
+	lsls r0, 24
+	lsrs r0, 24
+	adds r1, r0, 0
+	cmp r1, 0x4
+	bne _080011CC
+	ldr r0, =0x04000004
+	b _080011DE
+	.align 2, 0
+	.pool
+_080011CC:
+	cmp r1, 0x6
+	beq _080011DC
+	ldr r0, =0x03000818
+	adds r0, r1, r0
+	ldrh r0, [r0]
+	b _080011E0
+	.align 2, 0
+	.pool
+_080011DC:
+	ldr r0, =0x04000006
+_080011DE:
+	ldrh r0, [r0]
+_080011E0:
+	pop {r1}
+	bx r1
+	.align 2, 0
+	.pool
+	thumb_func_end lcd_io_get
+
+	thumb_func_start lcd_io_set_bits
+lcd_io_set_bits: @ 80011E8
+	push {lr}
+	adds r2, r1, 0
+	lsls r0, 24
+	lsrs r0, 24
+	ldr r1, =0x03000818
+	adds r1, r0, r1
+	ldrh r1, [r1]
+	orrs r1, r2
+	lsls r1, 16
+	lsrs r1, 16
+	bl lcd_io_set
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end lcd_io_set_bits
+
+	thumb_func_start lcd_io_clear_bits
+lcd_io_clear_bits: @ 8001208
+	push {lr}
+	adds r2, r1, 0
+	lsls r0, 24
+	lsrs r0, 24
+	lsls r2, 16
+	ldr r1, =0x03000818
+	adds r1, r0, r1
+	ldrh r1, [r1]
+	lsrs r2, 16
+	bics r1, r2
+	bl lcd_io_set
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end lcd_io_clear_bits
+
+	thumb_func_start update_hardware_IE
+update_hardware_IE: @ 8001228
+	push {r4,r5,lr}
+	ldr r5, =0x030008d9
+	ldrb r0, [r5]
+	cmp r0, 0
+	beq _08001246
+	ldr r2, =0x04000208
+	ldrh r1, [r2]
+	movs r4, 0
+	strh r4, [r2]
+	ldr r3, =0x04000200
+	ldr r0, =0x030008da
+	ldrh r0, [r0]
+	strh r0, [r3]
+	strh r1, [r2]
+	strb r4, [r5]
+_08001246:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end update_hardware_IE
+
+	thumb_func_start enable_irqs
+enable_irqs: @ 800125C
+	push {r4,lr}
+	lsls r0, 16
+	lsrs r0, 16
+	ldr r4, =0x030008da
+	ldrh r1, [r4]
+	orrs r0, r1
+	strh r0, [r4]
+	ldr r1, =0x030008d9
+	movs r0, 0x1
+	strb r0, [r1]
+	bl update_hardware_IE
+	ldrh r0, [r4]
+	bl dispstat_set_vblank_hblank_irqs
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end enable_irqs
+
+	thumb_func_start disable_irqs
+disable_irqs: @ 8001288
+	push {r4,lr}
+	lsls r0, 16
+	lsrs r0, 16
+	ldr r4, =0x030008da
+	ldrh r1, [r4]
+	bics r1, r0
+	strh r1, [r4]
+	ldr r1, =0x030008d9
+	movs r0, 0x1
+	strb r0, [r1]
+	bl update_hardware_IE
+	ldrh r0, [r4]
+	bl dispstat_set_vblank_hblank_irqs
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end disable_irqs
+
+	thumb_func_start dispstat_set_vblank_hblank_irqs
+dispstat_set_vblank_hblank_irqs: @ 80012B4
+	push {r4,lr}
+	adds r4, r0, 0
+	lsls r4, 16
+	lsrs r4, 16
+	movs r0, 0x4
+	bl lcd_io_get
+	movs r2, 0x18
+	ands r2, r0
+	movs r1, 0x1
+	ands r1, r4
+	negs r0, r1
+	orrs r0, r1
+	asrs r1, r0, 31
+	movs r0, 0x8
+	ands r1, r0
+	movs r0, 0x2
+	ands r0, r4
+	cmp r0, 0
+	beq _080012E0
+	movs r0, 0x10
+	orrs r1, r0
+_080012E0:
+	cmp r2, r1
+	beq _080012EA
+	movs r0, 0x4
+	bl lcd_io_set
+_080012EA:
+	pop {r4}
+	pop {r0}
+	bx r0
+	thumb_func_end dispstat_set_vblank_hblank_irqs

asm/main.s

@@ -0,0 +1,717 @@
+	thumb_func_start Main
+Main:
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	movs r0, 0xFF
+	bl RegisterRamReset
+	movs r1, 0xA0
+	lsls r1, 19
+	ldr r2, =0x00007fff
+	adds r0, r2, 0
+	strh r0, [r1]
+	bl lcd_io_copy_queue_clean
+	ldr r1, =0x04000204
+	ldr r3, =0x00004014
+	adds r0, r3, 0
+	strh r0, [r1]
+	bl init_keypad_data
+	bl init_irq_handler
+	bl m4aSoundInit
+	bl lcd_enable_vcount_irq_at_150px
+	bl sub_800E6D0
+	bl sub_802F21C
+	bl flash_timeout_start_on_timer_2_when_flash_present
+	bl init_saveblock_ptrs_and_set_copyright_callback2
+	bl sound_sources_off
+	bl dma3_transfer_queue_clear
+	bl gpu_init_bgs
+	bl fboxes_set_default_ptr
+	ldr r0, =0x02000000
+	movs r1, 0xE0
+	lsls r1, 9
+	bl init_malloc
+	ldr r0, =0x03002700
+	movs r4, 0
+	strb r4, [r0]
+	ldr r0, =0x03005d88
+	ldr r0, [r0]
+	cmp r0, 0x1
+	beq _08000414
+	movs r0, 0
+	bl set_callback2
+_08000414:
+	ldr r2, =0x030022b4
+	strb r4, [r2]
+	ldr r1, =0x03000000
+	movs r3, 0xFC
+	lsls r3, 4
+	adds r0, r3, 0
+	strh r0, [r1]
+	ldr r7, =0x030022c0
+	movs r0, 0
+	mov r8, r0
+	adds r6, r2, 0
+_0800042A:
+	bl load_keys
+	ldr r0, =0x03002700
+	ldrb r0, [r0]
+	cmp r0, 0
+	bne _08000454
+	ldrh r1, [r7, 0x28]
+	movs r0, 0x1
+	ands r0, r1
+	cmp r0, 0
+	beq _08000454
+	movs r0, 0xE
+	ands r0, r1
+	cmp r0, 0xE
+	bne _08000454
+	bl rfu_REQ_stopMode
+	bl rfu_waitREQComplete
+	bl do_reset
+_08000454:
+	bl sub_8087634
+	cmp r0, 0x1
+	bne _0800048C
+	strb r0, [r6]
+	bl call_callbacks_wrapper
+	movs r0, 0
+	strb r0, [r6]
+	b _080004B2
+	.align 2, 0
+	.pool
+_0800048C:
+	ldr r5, =0x030022b4
+	movs r0, 0
+	strb r0, [r5]
+	bl call_callbacks_wrapper
+	bl sub_80875C8
+	adds r4, r0, 0
+	cmp r4, 0x1
+	bne _080004B2
+	movs r0, 0
+	strh r0, [r7, 0x2E]
+	bl copy_queue_clear
+	strb r4, [r5]
+	bl call_callbacks_wrapper
+	mov r2, r8
+	strb r2, [r5]
+_080004B2:
+	bl gametime_increment
+	bl sound_something
+	bl wait_for_vblank
+	b _0800042A
+	.align 2, 0
+	.pool
+	thumb_func_end Main
+
+	thumb_func_start call_callbacks_wrapper
+call_callbacks_wrapper: @ 80004C4
+	push {lr}
+	bl sub_800B40C
+	lsls r0, 24
+	cmp r0, 0
+	bne _080004D4
+	bl call_callbacks
+_080004D4:
+	pop {r0}
+	bx r0
+	thumb_func_end call_callbacks_wrapper
+
+	thumb_func_start init_saveblock_ptrs_and_set_copyright_callback2
+init_saveblock_ptrs_and_set_copyright_callback2: @ 80004D8
+	push {lr}
+	ldr r2, =0x030022c0
+	movs r0, 0
+	str r0, [r2, 0x20]
+	ldr r1, =0x0203cf5c
+	str r0, [r1]
+	str r0, [r2, 0x24]
+	str r0, [r2]
+	ldr r0, =c2_copyright_1 + 1
+	bl set_callback2
+	ldr r1, =0x03005d90
+	ldr r0, =0x02024a54
+	str r0, [r1]
+	ldr r1, =0x03005d94
+	ldr r0, =0x02029808
+	str r0, [r1]
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end init_saveblock_ptrs_and_set_copyright_callback2
+
+	thumb_func_start call_callbacks
+call_callbacks: @ 800051C
+	push {r4,lr}
+	ldr r4, =0x030022c0
+	ldr r0, [r4]
+	cmp r0, 0
+	beq _0800052A
+	bl _call_via_r0
+_0800052A:
+	ldr r0, [r4, 0x4]
+	cmp r0, 0
+	beq _08000534
+	bl _call_via_r0
+_08000534:
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end call_callbacks
+
+	thumb_func_start set_callback2
+set_callback2: @ 8000540
+	ldr r1, =0x030022c0
+	str r0, [r1, 0x4]
+	movs r0, 0x87
+	lsls r0, 3
+	adds r1, r0
+	movs r0, 0
+	strb r0, [r1]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end set_callback2
+
+	thumb_func_start start_timer1
+start_timer1: @ 8000554
+	ldr r1, =0x04000106
+	movs r0, 0x80
+	strh r0, [r1]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end start_timer1
+
+	thumb_func_start set_rand_seed_and_trainer_id_hi
+set_rand_seed_and_trainer_id_hi: @ 8000560
+	push {r4,lr}
+	ldr r0, =0x04000104
+	ldrh r4, [r0]
+	adds r0, r4, 0
+	bl SeedRng
+	ldr r1, =0x04000106
+	movs r0, 0
+	strh r0, [r1]
+	ldr r0, =0x02020000
+	strh r4, [r0]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end set_rand_seed_and_trainer_id_hi
+
+	thumb_func_start get_trainer_id_hi
+get_trainer_id_hi: @ 8000588
+	ldr r0, =0x02020000
+	ldrh r0, [r0]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end get_trainer_id_hi
+
+	thumb_func_start lcd_enable_vcount_irq_at_150px
+lcd_enable_vcount_irq_at_150px: @ 8000594
+	push {lr}
+	movs r0, 0x4
+	bl lcd_io_get
+	movs r1, 0xFF
+	ands r1, r0
+	movs r2, 0x96
+	lsls r2, 8
+	adds r0, r2, 0
+	orrs r1, r0
+	movs r0, 0x20
+	orrs r1, r0
+	movs r0, 0x4
+	bl lcd_io_set
+	movs r0, 0x4
+	bl enable_irqs
+	pop {r0}
+	bx r0
+	thumb_func_end lcd_enable_vcount_irq_at_150px
+
+	thumb_func_start init_keypad_data
+init_keypad_data: @ 80005BC
+	ldr r1, =0x030026fc
+	movs r0, 0x5
+	strh r0, [r1]
+	ldr r1, =0x030022b0
+	movs r0, 0x28
+	strh r0, [r1]
+	ldr r1, =0x030022c0
+	movs r0, 0
+	strh r0, [r1, 0x2C]
+	strh r0, [r1, 0x2E]
+	strh r0, [r1, 0x30]
+	strh r0, [r1, 0x28]
+	strh r0, [r1, 0x2A]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end init_keypad_data
+
+	thumb_func_start load_keys
+load_keys: @ 80005E4
+	push {lr}
+	ldr r0, =0x04000130
+	ldrh r1, [r0]
+	ldr r2, =0x000003ff
+	adds r0, r2, 0
+	adds r3, r0, 0
+	eors r3, r1
+	ldr r1, =0x030022c0
+	ldrh r2, [r1, 0x28]
+	adds r0, r3, 0
+	bics r0, r2
+	strh r0, [r1, 0x2A]
+	strh r0, [r1, 0x2E]
+	strh r0, [r1, 0x30]
+	adds r2, r1, 0
+	cmp r3, 0
+	beq _08000630
+	ldrh r0, [r2, 0x2C]
+	cmp r0, r3
+	bne _08000630
+	ldrh r0, [r2, 0x32]
+	subs r0, 0x1
+	strh r0, [r2, 0x32]
+	lsls r0, 16
+	cmp r0, 0
+	bne _08000636
+	strh r3, [r2, 0x30]
+	ldr r0, =0x030026fc
+	b _08000632
+	.align 2, 0
+	.pool
+_08000630:
+	ldr r0, =0x030022b0
+_08000632:
+	ldrh r0, [r0]
+	strh r0, [r2, 0x32]
+_08000636:
+	strh r3, [r2, 0x28]
+	strh r3, [r2, 0x2C]
+	ldr r0, =0x03005d90
+	ldr r0, [r0]
+	ldrb r0, [r0, 0x13]
+	cmp r0, 0x2
+	bne _08000668
+	ldrh r1, [r2, 0x2E]
+	movs r3, 0x80
+	lsls r3, 2
+	adds r0, r3, 0
+	ands r0, r1
+	cmp r0, 0
+	beq _08000658
+	movs r0, 0x1
+	orrs r0, r1
+	strh r0, [r2, 0x2E]
+_08000658:
+	ldrh r1, [r2, 0x2C]
+	adds r0, r3, 0
+	ands r0, r1
+	cmp r0, 0
+	beq _08000668
+	movs r0, 0x1
+	orrs r0, r1
+	strh r0, [r2, 0x2C]
+_08000668:
+	ldrh r1, [r2, 0x2E]
+	ldrh r0, [r2, 0x36]
+	ands r0, r1
+	cmp r0, 0
+	beq _08000676
+	movs r0, 0x1
+	strh r0, [r2, 0x34]
+_08000676:
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end load_keys
+
+	thumb_func_start init_irq_handler
+init_irq_handler: @ 8000684
+	push {r4,r5,lr}
+	ldr r5, =InterruptMain
+	ldr r4, =0x03002750
+	ldr r3, =0x082e9548
+	ldr r2, =0x03002710
+	movs r1, 0xD
+_08000690:
+	ldm r3!, {r0}
+	stm r2!, {r0}
+	subs r1, 0x1
+	cmp r1, 0
+	bge _08000690
+	ldr r0, =0x040000d4
+	str r5, [r0]
+	str r4, [r0, 0x4]
+	ldr r1, =0x84000200
+	str r1, [r0, 0x8]
+	ldr r0, [r0, 0x8]
+	ldr r0, =0x03007ffc
+	str r4, [r0]
+	movs r0, 0
+	bl SetVBlankCallback
+	movs r0, 0
+	bl SetHBlankCallback
+	movs r0, 0
+	bl set_serial_callback
+	ldr r1, =0x04000208
+	movs r0, 0x1
+	strh r0, [r1]
+	movs r0, 0x1
+	bl enable_irqs
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end init_irq_handler
+
+	thumb_func_start SetVBlankCallback
+SetVBlankCallback: @ 80006F0
+	ldr r1, =0x030022c0
+	str r0, [r1, 0xC]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end SetVBlankCallback
+
+	thumb_func_start SetHBlankCallback
+SetHBlankCallback: @ 80006FC
+	ldr r1, =0x030022c0
+	str r0, [r1, 0x10]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end SetHBlankCallback
+
+	thumb_func_start SetVCountCallback
+SetVCountCallback: @ 8000708
+	ldr r1, =0x030022c0
+	str r0, [r1, 0x14]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end SetVCountCallback
+
+	thumb_func_start restore_serial_timer3_irq_handlers
+restore_serial_timer3_irq_handlers: @ 8000714
+	ldr r0, =0x03002710
+	ldr r1, =irq_serial + 1
+	str r1, [r0, 0x4]
+	ldr r1, =irq_timer3 + 1
+	str r1, [r0, 0x8]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end restore_serial_timer3_irq_handlers
+
+	thumb_func_start set_serial_callback
+set_serial_callback: @ 800072C
+	ldr r1, =0x030022c0
+	str r0, [r1, 0x18]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end set_serial_callback
+
+	thumb_func_start irq_vblank
+irq_vblank: @ 8000738
+	push {r4,lr}
+	ldr r0, =0x030030fc
+	ldrb r0, [r0]
+	cmp r0, 0
+	beq _0800074C
+	bl rfu_syncVBlank__
+	b _08000758
+	.align 2, 0
+	.pool
+_0800074C:
+	ldr r0, =0x03002748
+	ldrb r0, [r0]
+	cmp r0, 0
+	bne _08000758
+	bl sub_800B9B8
+_08000758:
+	ldr r0, =0x030022c0
+	ldr r1, [r0, 0x20]
+	adds r1, 0x1
+	str r1, [r0, 0x20]
+	ldr r1, =0x0203cf5c
+	ldr r1, [r1]
+	adds r4, r0, 0
+	cmp r1, 0
+	beq _08000778
+	ldr r2, [r1]
+	movs r0, 0x2
+	negs r0, r0
+	cmp r2, r0
+	bhi _08000778
+	adds r0, r2, 0x1
+	str r0, [r1]
+_08000778:
+	ldr r0, [r4, 0xC]
+	cmp r0, 0
+	beq _08000782
+	bl _call_via_r0
+_08000782:
+	ldr r0, [r4, 0x24]
+	adds r0, 0x1
+	str r0, [r4, 0x24]
+	bl lcd_io_copy_queue_process
+	bl dma_transfer_queue_process
+	ldr r1, =0x03002f50
+	ldr r0, =0x03006380
+	ldrb r0, [r0, 0x4]
+	strb r0, [r1]
+	bl m4aSoundMain
+	bl sub_8033648
+	ldr r1, =0x00000439
+	adds r0, r4, r1
+	ldrb r1, [r0]
+	movs r0, 0x2
+	ands r0, r1
+	cmp r0, 0
+	beq _080007BA
+	ldr r0, =0x02022fec
+	ldr r0, [r0]
+	ldr r1, =0x013f0102
+	ands r0, r1
+	cmp r0, 0
+	bne _080007BE
+_080007BA:
+	bl GenerateRandomNumber
+_080007BE:
+	bl sub_800E174
+	ldr r2, =0x03007ff8
+	ldrh r0, [r2]
+	movs r1, 0x1
+	orrs r0, r1
+	strh r0, [r2]
+	ldr r0, =0x030022c0
+	ldrh r2, [r0, 0x1C]
+	ldrh r3, [r0, 0x1C]
+	orrs r1, r2
+	strh r1, [r0, 0x1C]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end irq_vblank
+
+	thumb_func_start flash_timeout_start_on_timer_2
+flash_timeout_start_on_timer_2: @ 8000800
+	push {lr}
+	ldr r1, =0x0300272c
+	movs r0, 0x2
+	bl SetFlashTimerIntr
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end flash_timeout_start_on_timer_2
+
+	thumb_func_start irq_hblank
+irq_hblank: @ 8000814
+	push {r4,lr}
+	ldr r4, =0x030022c0
+	ldr r0, [r4, 0x10]
+	cmp r0, 0
+	beq _08000822
+	bl _call_via_r0
+_08000822:
+	ldr r2, =0x03007ff8
+	ldrh r0, [r2]
+	movs r1, 0x2
+	orrs r0, r1
+	strh r0, [r2]
+	ldrh r0, [r4, 0x1C]
+	ldrh r2, [r4, 0x1C]
+	orrs r1, r0
+	strh r1, [r4, 0x1C]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end irq_hblank
+
+	thumb_func_start irq_vcount
+irq_vcount: @ 8000844
+	push {r4,lr}
+	ldr r4, =0x030022c0
+	ldr r0, [r4, 0x14]
+	cmp r0, 0
+	beq _08000852
+	bl _call_via_r0
+_08000852:
+	bl SoundVSync_rev01
+	ldr r2, =0x03007ff8
+	ldrh r0, [r2]
+	movs r1, 0x4
+	orrs r0, r1
+	strh r0, [r2]
+	ldrh r0, [r4, 0x1C]
+	ldrh r2, [r4, 0x1C]
+	orrs r1, r0
+	strh r1, [r4, 0x1C]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end irq_vcount
+
+	thumb_func_start irq_serial
+irq_serial: @ 8000878
+	push {r4,lr}
+	ldr r4, =0x030022c0
+	ldr r0, [r4, 0x18]
+	cmp r0, 0
+	beq _08000886
+	bl _call_via_r0
+_08000886:
+	ldr r2, =0x03007ff8
+	ldrh r0, [r2]
+	movs r1, 0x80
+	orrs r0, r1
+	strh r0, [r2]
+	ldrh r0, [r4, 0x1C]
+	ldrh r2, [r4, 0x1C]
+	orrs r1, r0
+	strh r1, [r4, 0x1C]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end irq_serial
+
+	thumb_func_start irq_other
+irq_other: @ 80008A8
+	bx lr
+	thumb_func_end irq_other
+
+	thumb_func_start wait_for_vblank
+wait_for_vblank: @ 80008AC
+	push {lr}
+	ldr r2, =0x030022c0
+	ldrh r1, [r2, 0x1C]
+	ldr r0, =0x0000fffe
+	ands r0, r1
+	ldrh r1, [r2, 0x1C]
+	strh r0, [r2, 0x1C]
+	ldrh r1, [r2, 0x1C]
+	movs r0, 0x1
+	ands r0, r1
+	cmp r0, 0
+	bne _080008D0
+	movs r3, 0x1
+_080008C6:
+	ldrh r1, [r2, 0x1C]
+	adds r0, r3, 0
+	ands r0, r1
+	cmp r0, 0
+	beq _080008C6
+_080008D0:
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end wait_for_vblank
+
+	thumb_func_start sub_80008DC
+sub_80008DC: @ 80008DC
+	ldr r1, =0x0203cf5c
+	str r0, [r1]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end sub_80008DC
+
+	thumb_func_start sub_80008E8
+sub_80008E8: @ 80008E8
+	ldr r1, =0x0203cf5c
+	movs r0, 0
+	str r0, [r1]
+	bx lr
+	.align 2, 0
+	.pool
+	thumb_func_end sub_80008E8
+
+	thumb_func_start do_reset
+do_reset: @ 80008F4
+	push {r4,lr}
+	ldr r1, =0x04000208
+	movs r0, 0
+	strh r0, [r1]
+	bl SoundVSyncOff_rev01
+	bl remove_some_task
+	ldr r1, =0x040000bc
+	ldrh r2, [r1, 0xA]
+	ldr r3, =0x0000c5ff
+	adds r0, r3, 0
+	ands r0, r2
+	strh r0, [r1, 0xA]
+	ldrh r4, [r1, 0xA]
+	ldr r2, =0x00007fff
+	adds r0, r2, 0
+	ands r0, r4
+	strh r0, [r1, 0xA]
+	ldrh r0, [r1, 0xA]
+	adds r1, 0xC
+	ldrh r4, [r1, 0xA]
+	adds r0, r3, 0
+	ands r0, r4
+	strh r0, [r1, 0xA]
+	ldrh r4, [r1, 0xA]
+	adds r0, r2, 0
+	ands r0, r4
+	strh r0, [r1, 0xA]
+	ldrh r0, [r1, 0xA]
+	ldr r0, =0x040000d4
+	ldrh r1, [r0, 0xA]
+	ands r3, r1
+	strh r3, [r0, 0xA]
+	ldrh r1, [r0, 0xA]
+	ands r2, r1
+	strh r2, [r0, 0xA]
+	ldrh r0, [r0, 0xA]
+	bl sub_82E2168
+	movs r0, 0xFF
+	bl SoftReset
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end do_reset
+
+	thumb_func_start sub_8000964
+sub_8000964: @ 8000964
+	push {lr}
+	sub sp, 0x4
+	mov r1, sp
+	movs r0, 0
+	strh r0, [r1]
+	ldr r1, =0x03007330
+	ldr r2, =0x01000034
+	mov r0, sp
+	bl CpuSet
+	add sp, 0x4
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end sub_8000964

asm/malloc.s

@@ -0,0 +1,327 @@
+	thumb_func_start malloc_header
+malloc_header: @ 8000988
+	push {r4,lr}
+	movs r4, 0
+	strh r4, [r0]
+	ldr r4, =0x0000a3a3
+	strh r4, [r0, 0x2]
+	str r3, [r0, 0x4]
+	str r1, [r0, 0x8]
+	str r2, [r0, 0xC]
+	pop {r4}
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end malloc_header
+
+	thumb_func_start malloc_unlinked_header
+malloc_unlinked_header: @ 80009A4
+	push {lr}
+	adds r2, r0, 0
+	adds r3, r1, 0
+	subs r3, 0x10
+	adds r1, r2, 0
+	bl malloc_header
+	pop {r0}
+	bx r0
+	thumb_func_end malloc_unlinked_header
+
+	thumb_func_start malloc_core
+malloc_core: @ 80009B8
+	push {r4-r6,lr}
+	adds r4, r0, 0
+	adds r6, r4, 0
+	movs r0, 0x3
+	ands r0, r1
+	cmp r0, 0
+	beq _080009CC
+	lsrs r0, r1, 2
+	adds r0, 0x1
+	lsls r1, r0, 2
+_080009CC:
+	movs r2, 0x1
+_080009CE:
+	ldrh r0, [r4]
+	cmp r0, 0
+	bne _08000A0C
+	ldr r3, [r4, 0x4]
+	cmp r3, r1
+	bcc _08000A0C
+	subs r0, r3, r1
+	cmp r0, 0x1F
+	bhi _080009E4
+	strh r2, [r4]
+	b _08000A06
+_080009E4:
+	subs r3, 0x10
+	subs r3, r1
+	adds r0, r1, 0
+	adds r0, 0x10
+	adds r5, r4, r0
+	strh r2, [r4]
+	str r1, [r4, 0x4]
+	ldr r2, [r4, 0xC]
+	adds r0, r5, 0
+	adds r1, r4, 0
+	bl malloc_header
+	str r5, [r4, 0xC]
+	ldr r0, [r5, 0xC]
+	cmp r0, r6
+	beq _08000A06
+	str r5, [r0, 0x8]
+_08000A06:
+	adds r0, r4, 0
+	adds r0, 0x10
+	b _08000A18
+_08000A0C:
+	ldr r0, [r4, 0xC]
+	cmp r0, r6
+	beq _08000A16
+	adds r4, r0, 0
+	b _080009CE
+_08000A16:
+	movs r0, 0
+_08000A18:
+	pop {r4-r6}
+	pop {r1}
+	bx r1
+	thumb_func_end malloc_core
+
+	thumb_func_start free_core
+free_core: @ 8000A20
+	push {r4,r5,lr}
+	cmp r1, 0
+	beq _08000A7C
+	adds r5, r0, 0
+	adds r2, r1, 0
+	subs r2, 0x10
+	movs r0, 0
+	strh r0, [r2]
+	ldr r3, [r2, 0xC]
+	cmp r3, r5
+	beq _08000A54
+	ldrh r4, [r3]
+	cmp r4, 0
+	bne _08000A54
+	ldr r0, [r2, 0x4]
+	adds r0, 0x10
+	ldr r1, [r3, 0x4]
+	adds r0, r1
+	str r0, [r2, 0x4]
+	strh r4, [r3, 0x2]
+	ldr r0, [r2, 0xC]
+	ldr r0, [r0, 0xC]
+	str r0, [r2, 0xC]
+	cmp r0, r5
+	beq _08000A54
+	str r2, [r0, 0x8]
+_08000A54:
+	cmp r2, r5
+	beq _08000A7C
+	ldr r1, [r2, 0x8]
+	ldrh r3, [r1]
+	cmp r3, 0
+	bne _08000A7C
+	ldr r0, [r2, 0xC]
+	str r0, [r1, 0xC]
+	ldr r1, [r2, 0xC]
+	cmp r1, r5
+	beq _08000A6E
+	ldr r0, [r2, 0x8]
+	str r0, [r1, 0x8]
+_08000A6E:
+	strh r3, [r2, 0x2]
+	ldr r0, [r2, 0x8]
+	ldr r1, [r0, 0x4]
+	adds r1, 0x10
+	ldr r2, [r2, 0x4]
+	adds r1, r2
+	str r1, [r0, 0x4]
+_08000A7C:
+	pop {r4,r5}
+	pop {r0}
+	bx r0
+	thumb_func_end free_core
+
+	thumb_func_start malloc_core_and_clear
+malloc_core_and_clear: @ 8000A84
+	push {r4,r5,lr}
+	sub sp, 0x4
+	adds r4, r1, 0
+	bl malloc_core
+	adds r5, r0, 0
+	cmp r5, 0
+	beq _08000AB8
+	movs r0, 0x3
+	ands r0, r4
+	cmp r0, 0
+	beq _08000AA2
+	lsrs r0, r4, 2
+	adds r0, 0x1
+	lsls r4, r0, 2
+_08000AA2:
+	movs r0, 0
+	str r0, [sp]
+	lsls r2, r4, 9
+	lsrs r2, 11
+	movs r0, 0xA0
+	lsls r0, 19
+	orrs r2, r0
+	mov r0, sp
+	adds r1, r5, 0
+	bl CpuSet
+_08000AB8:
+	adds r0, r5, 0
+	add sp, 0x4
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	thumb_func_end malloc_core_and_clear
+
+	thumb_func_start check_memblk_core
+check_memblk_core: @ 8000AC4
+	push {r4,r5,lr}
+	adds r5, r0, 0
+	adds r3, r1, 0
+	subs r3, 0x10
+	ldrh r2, [r3, 0x2]
+	ldr r0, =0x0000a3a3
+	cmp r2, r0
+	bne _08000B0A
+	ldr r0, [r3, 0xC]
+	ldrh r1, [r0, 0x2]
+	adds r4, r0, 0
+	cmp r1, r2
+	bne _08000B0A
+	cmp r4, r5
+	beq _08000AE8
+	ldr r0, [r4, 0x8]
+	cmp r0, r3
+	bne _08000B0A
+_08000AE8:
+	ldr r2, [r3, 0x8]
+	ldrh r1, [r2, 0x2]
+	ldr r0, =0x0000a3a3
+	cmp r1, r0
+	bne _08000B0A
+	cmp r2, r5
+	beq _08000AFC
+	ldr r0, [r2, 0xC]
+	cmp r0, r3
+	bne _08000B0A
+_08000AFC:
+	cmp r4, r5
+	beq _08000B14
+	ldr r0, [r3, 0x4]
+	adds r0, 0x10
+	adds r0, r3, r0
+	cmp r4, r0
+	beq _08000B14
+_08000B0A:
+	movs r0, 0
+	b _08000B16
+	.align 2, 0
+	.pool
+_08000B14:
+	movs r0, 0x1
+_08000B16:
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	thumb_func_end check_memblk_core
+
+	thumb_func_start init_malloc
+init_malloc: @ 8000B1C
+	push {lr}
+	ldr r2, =0x03000004
+	str r0, [r2]
+	ldr r2, =0x03000008
+	str r1, [r2]
+	bl malloc_unlinked_header
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end init_malloc
+
+	thumb_func_start malloc
+malloc: @ 8000B38
+	push {lr}
+	adds r1, r0, 0
+	ldr r0, =0x03000004
+	ldr r0, [r0]
+	bl malloc_core
+	pop {r1}
+	bx r1
+	.align 2, 0
+	.pool
+	thumb_func_end malloc
+
+	thumb_func_start malloc_and_clear
+malloc_and_clear: @ 8000B4C
+	push {lr}
+	adds r1, r0, 0
+	ldr r0, =0x03000004
+	ldr r0, [r0]
+	bl malloc_core_and_clear
+	pop {r1}
+	bx r1
+	.align 2, 0
+	.pool
+	thumb_func_end malloc_and_clear
+
+	thumb_func_start free
+free: @ 8000B60
+	push {lr}
+	adds r1, r0, 0
+	ldr r0, =0x03000004
+	ldr r0, [r0]
+	bl free_core
+	pop {r0}
+	bx r0
+	.align 2, 0
+	.pool
+	thumb_func_end free
+
+	thumb_func_start check_memblk
+check_memblk: @ 8000B74
+	push {lr}
+	adds r1, r0, 0
+	ldr r0, =0x03000004
+	ldr r0, [r0]
+	bl check_memblk_core
+	pop {r1}
+	bx r1
+	.align 2, 0
+	.pool
+	thumb_func_end check_memblk
+
+	thumb_func_start check_all_memblks
+check_all_memblks: @ 8000B88
+	push {r4,r5,lr}
+	ldr r0, =0x03000004
+	ldr r4, [r0]
+	adds r5, r0, 0
+_08000B90:
+	ldr r0, [r5]
+	adds r1, r4, 0
+	adds r1, 0x10
+	bl check_memblk_core
+	cmp r0, 0
+	beq _08000BB0
+	ldr r4, [r4, 0xC]
+	ldr r0, [r5]
+	cmp r4, r0
+	bne _08000B90
+	movs r0, 0x1
+	b _08000BB2
+	.align 2, 0
+	.pool
+_08000BB0:
+	movs r0, 0
+_08000BB2:
+	pop {r4,r5}
+	pop {r1}
+	bx r1
+	thumb_func_end check_all_memblks

asm/pixel_buffer.s

@@ -0,0 +1,809 @@
+	thumb_func_start sub_8002BDC
+sub_8002BDC: @ 8002BDC
+	push {r4-r7,lr}
+	mov r7, r8
+	push {r7}
+	sub sp, 0x14
+	ldr r4, [sp, 0x2C]
+	ldr r5, [sp, 0x30]
+	ldr r6, [sp, 0x34]
+	ldr r7, [sp, 0x38]
+	lsls r2, 16
+	lsrs r2, 16
+	lsls r3, 16
+	lsrs r3, 16
+	lsls r4, 16
+	lsrs r4, 16
+	lsls r5, 16
+	lsrs r5, 16
+	lsls r6, 16
+	lsrs r6, 16
+	lsls r7, 16
+	lsrs r7, 16
+	str r4, [sp]
+	str r5, [sp, 0x4]
+	str r6, [sp, 0x8]
+	str r7, [sp, 0xC]
+	movs r4, 0xFF
+	str r4, [sp, 0x10]
+	bl PixelBlock_CopyRect4Bpp
+	add sp, 0x14
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8002BDC
+
+	thumb_func_start PixelBlock_CopyRect4Bpp
+PixelBlock_CopyRect4Bpp: @ 8002C20
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x2C
+	str r0, [sp]
+	str r1, [sp, 0x4]
+	ldr r0, [sp, 0x4C]
+	ldr r1, [sp, 0x50]
+	ldr r4, [sp, 0x54]
+	ldr r5, [sp, 0x58]
+	ldr r6, [sp, 0x5C]
+	lsls r2, 16
+	lsrs r2, 16
+	str r2, [sp, 0x8]
+	lsls r3, 16
+	lsrs r7, r3, 16
+	lsls r0, 16
+	lsrs r0, 16
+	str r0, [sp, 0xC]
+	lsls r1, 16
+	lsrs r1, 16
+	mov r9, r1
+	lsls r4, 16
+	lsrs r4, 16
+	lsls r5, 16
+	lsrs r5, 16
+	lsls r6, 24
+	lsrs r6, 24
+	str r6, [sp, 0x10]
+	ldr r0, [sp, 0x4]
+	ldrh r3, [r0, 0x4]
+	ldr r1, [sp, 0xC]
+	subs r0, r3, r1
+	adds r2, r4
+	mov r8, r2
+	cmp r0, r4
+	bge _08002C74
+	ldr r2, [sp, 0x8]
+	adds r0, r2
+	mov r8, r0
+_08002C74:
+	ldr r4, [sp, 0x4]
+	ldrh r0, [r4, 0x6]
+	mov r1, r9
+	subs r0, r1
+	adds r2, r5, r7
+	str r2, [sp, 0x14]
+	cmp r0, r5
+	bge _08002C88
+	adds r0, r7
+	str r0, [sp, 0x14]
+_08002C88:
+	ldr r4, [sp]
+	ldrh r1, [r4, 0x4]
+	movs r2, 0x7
+	adds r0, r1, 0
+	ands r0, r2
+	adds r1, r0
+	asrs r1, 3
+	str r1, [sp, 0x18]
+	adds r0, r3, 0
+	ands r0, r2
+	adds r0, r3, r0
+	asrs r0, 3
+	str r0, [sp, 0x1C]
+	ldr r0, [sp, 0x10]
+	cmp r0, 0xFF
+	bne _08002D46
+	adds r3, r7, 0
+	mov r1, r9
+	ldr r2, [sp, 0x14]
+	cmp r3, r2
+	blt _08002CB4
+	b _08002DEE
+_08002CB4:
+	ldr r5, [sp, 0x8]
+	ldr r6, [sp, 0xC]
+	adds r4, r3, 0x1
+	str r4, [sp, 0x24]
+	adds r0, r1, 0x1
+	str r0, [sp, 0x28]
+	cmp r5, r8
+	bge _08002D3A
+	movs r7, 0x3
+	asrs r0, r3, 3
+	ldr r2, [sp, 0x18]
+	muls r0, r2
+	lsls r0, 5
+	mov r10, r0
+	lsls r0, r3, 29
+	lsrs r0, 27
+	mov r9, r0
+	asrs r0, r1, 3
+	ldr r4, [sp, 0x1C]
+	muls r0, r4
+	lsls r0, 5
+	mov r12, r0
+	lsls r0, r1, 29
+	lsrs r3, r0, 27
+_08002CE4:
+	asrs r0, r5, 1
+	ands r0, r7
+	ldr r2, [sp]
+	ldr r1, [r2]
+	adds r1, r0
+	asrs r0, r5, 3
+	lsls r0, 5
+	adds r1, r0
+	add r1, r10
+	mov r4, r9
+	adds r2, r1, r4
+	asrs r0, r6, 1
+	ands r0, r7
+	ldr r4, [sp, 0x4]
+	ldr r1, [r4]
+	adds r1, r0
+	asrs r0, r6, 3
+	lsls r0, 5
+	adds r1, r0
+	add r1, r12
+	adds r4, r1, r3
+	ldrb r2, [r2]
+	adds r0, r5, 0
+	movs r1, 0x1
+	ands r0, r1
+	lsls r0, 2
+	asrs r2, r0
+	movs r0, 0xF
+	ands r2, r0
+	adds r0, r6, 0
+	ands r0, r1
+	lsls r1, r0, 2
+	lsls r2, r1
+	movs r0, 0xF0
+	asrs r0, r1
+	ldrb r1, [r4]
+	ands r0, r1
+	orrs r2, r0
+	strb r2, [r4]
+	adds r5, 0x1
+	adds r6, 0x1
+	cmp r5, r8
+	blt _08002CE4
+_08002D3A:
+	ldr r3, [sp, 0x24]
+	ldr r1, [sp, 0x28]
+	ldr r2, [sp, 0x14]
+	cmp r3, r2
+	blt _08002CB4
+	b _08002DEE
+_08002D46:
+	adds r3, r7, 0
+	mov r1, r9
+	ldr r4, [sp, 0x14]
+	cmp r3, r4
+	bge _08002DEE
+_08002D50:
+	ldr r5, [sp, 0x8]
+	ldr r6, [sp, 0xC]
+	adds r0, r3, 0x1
+	str r0, [sp, 0x24]
+	adds r2, r1, 0x1
+	str r2, [sp, 0x28]
+	cmp r5, r8
+	bge _08002DE4
+	movs r4, 0x3
+	mov r9, r4
+	asrs r0, r3, 3
+	ldr r2, [sp, 0x18]
+	muls r0, r2
+	lsls r0, 5
+	str r0, [sp, 0x20]
+	lsls r0, r3, 29
+	lsrs r0, 27
+	mov r10, r0
+	movs r3, 0x1
+	asrs r0, r1, 3
+	ldr r4, [sp, 0x1C]
+	muls r0, r4
+	lsls r0, 5
+	mov r12, r0
+	lsls r0, r1, 29
+	lsrs r7, r0, 27
+_08002D84:
+	asrs r0, r5, 1
+	mov r1, r9
+	ands r0, r1
+	ldr r2, [sp]
+	ldr r1, [r2]
+	adds r1, r0
+	asrs r0, r5, 3
+	lsls r0, 5
+	adds r1, r0
+	ldr r4, [sp, 0x20]
+	adds r1, r4
+	mov r0, r10
+	adds r2, r1, r0
+	asrs r0, r6, 1
+	mov r1, r9
+	ands r0, r1
+	ldr r4, [sp, 0x4]
+	ldr r1, [r4]
+	adds r1, r0
+	asrs r0, r6, 3
+	lsls r0, 5
+	adds r1, r0
+	add r1, r12
+	adds r4, r1, r7
+	ldrb r2, [r2]
+	adds r0, r5, 0
+	ands r0, r3
+	lsls r0, 2
+	asrs r2, r0
+	movs r0, 0xF
+	ands r2, r0
+	ldr r0, [sp, 0x10]
+	cmp r2, r0
+	beq _08002DDC
+	adds r0, r6, 0
+	ands r0, r3
+	lsls r1, r0, 2
+	lsls r2, r1
+	movs r0, 0xF0
+	asrs r0, r1
+	ldrb r1, [r4]
+	ands r0, r1
+	orrs r2, r0
+	strb r2, [r4]
+_08002DDC:
+	adds r5, 0x1
+	adds r6, 0x1
+	cmp r5, r8
+	blt _08002D84
+_08002DE4:
+	ldr r3, [sp, 0x24]
+	ldr r1, [sp, 0x28]
+	ldr r2, [sp, 0x14]
+	cmp r3, r2
+	blt _08002D50
+_08002DEE:
+	add sp, 0x2C
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end PixelBlock_CopyRect4Bpp
+
+	thumb_func_start PixelBlock_FillRect4Bpp
+PixelBlock_FillRect4Bpp: @ 8002E00
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x8
+	mov r9, r0
+	ldr r0, [sp, 0x28]
+	ldr r4, [sp, 0x2C]
+	lsls r1, 16
+	lsrs r1, 16
+	str r1, [sp]
+	lsls r2, 16
+	lsrs r2, 16
+	adds r6, r2, 0
+	lsls r3, 16
+	lsrs r3, 16
+	lsls r0, 16
+	lsrs r0, 16
+	lsls r4, 24
+	lsrs r5, r4, 24
+	adds r4, r1, r3
+	mov r3, r9
+	ldrh r1, [r3, 0x4]
+	cmp r4, r1
+	ble _08002E36
+	adds r4, r1, 0
+_08002E36:
+	adds r2, r0
+	mov r12, r2
+	mov r2, r9
+	ldrh r0, [r2, 0x6]
+	cmp r12, r0
+	ble _08002E44
+	mov r12, r0
+_08002E44:
+	movs r0, 0x7
+	ands r0, r1
+	adds r0, r1, r0
+	asrs r0, 3
+	str r0, [sp, 0x4]
+	lsls r0, r5, 28
+	lsrs r0, 24
+	mov r8, r0
+	movs r3, 0xF
+	mov r10, r3
+	mov r0, r10
+	ands r0, r5
+	mov r10, r0
+	adds r1, r6, 0
+	cmp r1, r12
+	bge _08002EB6
+_08002E64:
+	ldr r3, [sp]
+	adds r7, r1, 0x1
+	cmp r3, r4
+	bge _08002EB0
+	asrs r0, r1, 3
+	ldr r2, [sp, 0x4]
+	muls r0, r2
+	lsls r6, r0, 5
+	lsls r0, r1, 29
+	lsrs r5, r0, 27
+_08002E78:
+	asrs r2, r3, 1
+	movs r0, 0x3
+	ands r2, r0
+	mov r0, r9
+	ldr r1, [r0]
+	adds r1, r2
+	asrs r0, r3, 3
+	lsls r0, 5
+	adds r1, r0
+	adds r1, r6
+	adds r2, r1, r5
+	lsls r0, r3, 31
+	cmp r0, 0
+	beq _08002E9E
+	ldrb r1, [r2]
+	movs r0, 0xF
+	ands r0, r1
+	mov r1, r8
+	b _08002EA6
+_08002E9E:
+	ldrb r1, [r2]
+	movs r0, 0xF0
+	ands r0, r1
+	mov r1, r10
+_08002EA6:
+	orrs r0, r1
+	strb r0, [r2]
+	adds r3, 0x1
+	cmp r3, r4
+	blt _08002E78
+_08002EB0:
+	adds r1, r7, 0
+	cmp r1, r12
+	blt _08002E64
+_08002EB6:
+	add sp, 0x8
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end PixelBlock_FillRect4Bpp
+
+	thumb_func_start PixelBlock_CopyRect4BppTo8Bpp
+PixelBlock_CopyRect4BppTo8Bpp: @ 8002EC8
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x3C
+	str r0, [sp]
+	str r1, [sp, 0x4]
+	ldr r0, [sp, 0x5C]
+	ldr r1, [sp, 0x60]
+	ldr r5, [sp, 0x64]
+	ldr r4, [sp, 0x68]
+	ldr r6, [sp, 0x6C]
+	ldr r7, [sp, 0x70]
+	mov r8, r7
+	lsls r2, 16
+	lsrs r2, 16
+	str r2, [sp, 0x8]
+	lsls r3, 16
+	lsrs r3, 16
+	lsls r0, 16
+	lsrs r0, 16
+	str r0, [sp, 0xC]
+	lsls r1, 16
+	lsrs r7, r1, 16
+	lsls r5, 16
+	lsrs r5, 16
+	lsls r4, 16
+	lsrs r4, 16
+	lsls r6, 24
+	lsrs r6, 24
+	str r6, [sp, 0x10]
+	mov r0, r8
+	lsls r0, 28
+	lsrs r0, 24
+	str r0, [sp, 0x14]
+	lsls r0, r6, 28
+	lsrs r0, 24
+	str r0, [sp, 0x28]
+	ldr r1, [sp, 0x4]
+	ldrh r0, [r1, 0x4]
+	ldr r2, [sp, 0xC]
+	subs r0, r2
+	ldr r1, [sp, 0x8]
+	adds r1, r5, r1
+	str r1, [sp, 0x18]
+	cmp r0, r5
+	bge _08002F2E
+	ldr r2, [sp, 0x8]
+	adds r0, r2
+	str r0, [sp, 0x18]
+_08002F2E:
+	ldr r5, [sp, 0x4]
+	ldrh r1, [r5, 0x6]
+	subs r0, r1, r7
+	cmp r0, r4
+	bge _08002F40
+	adds r0, r3, r1
+	subs r0, r7
+	str r0, [sp, 0x1C]
+	b _08002F44
+_08002F40:
+	adds r4, r3, r4
+	str r4, [sp, 0x1C]
+_08002F44:
+	ldr r0, [sp]
+	ldrh r1, [r0, 0x4]
+	movs r2, 0x7
+	adds r0, r1, 0
+	ands r0, r2
+	adds r1, r0
+	asrs r1, 3
+	str r1, [sp, 0x20]
+	ldr r5, [sp, 0x4]
+	ldrh r1, [r5, 0x4]
+	adds r0, r1, 0
+	ands r0, r2
+	adds r1, r0
+	asrs r1, 3
+	str r1, [sp, 0x24]
+	ldr r0, [sp, 0x10]
+	cmp r0, 0xFF
+	bne _08003024
+	adds r2, r3, 0
+	adds r5, r7, 0
+	ldr r1, [sp, 0x1C]
+	cmp r2, r1
+	blt _08002F74
+	b _08003106
+_08002F74:
+	ldr r3, [sp, 0x8]
+	lsrs r3, 1
+	str r3, [sp, 0x2C]
+	movs r0, 0x3
+	ands r3, r0
+	str r3, [sp, 0x2C]
+	ldr r7, [sp, 0x8]
+	lsrs r0, r7, 3
+	lsls r0, 5
+	str r0, [sp, 0x30]
+_08002F88:
+	ldr r0, [sp]
+	ldr r1, [r0]
+	ldr r3, [sp, 0x2C]
+	adds r1, r3
+	ldr r7, [sp, 0x30]
+	adds r1, r7
+	asrs r0, r2, 3
+	ldr r3, [sp, 0x20]
+	muls r0, r3
+	lsls r0, 5
+	mov r8, r0
+	add r1, r8
+	lsls r0, r2, 29
+	lsrs r7, r0, 27
+	adds r6, r1, r7
+	ldr r3, [sp, 0x8]
+	ldr r4, [sp, 0xC]
+	adds r2, 0x1
+	mov r10, r2
+	adds r0, r5, 0x1
+	str r0, [sp, 0x38]
+	ldr r1, [sp, 0x18]
+	cmp r3, r1
+	bge _08003018
+	asrs r0, r5, 3
+	ldr r2, [sp, 0x24]
+	muls r0, r2
+	lsls r0, 6
+	mov r12, r0
+	lsls r0, r5, 29
+	lsrs r0, 26
+	mov r9, r0
+_08002FC8:
+	movs r0, 0x7
+	ands r0, r4
+	ldr r5, [sp, 0x4]
+	ldr r1, [r5]
+	adds r1, r0
+	asrs r0, r4, 3
+	lsls r0, 6
+	adds r1, r0
+	add r1, r12
+	mov r0, r9
+	adds r5, r1, r0
+	movs r0, 0x1
+	ands r0, r3
+	cmp r0, 0
+	beq _08002FEC
+	ldrb r0, [r6]
+	lsrs r0, 4
+	b _08003008
+_08002FEC:
+	asrs r2, r3, 1
+	movs r0, 0x3
+	ands r2, r0
+	ldr r0, [sp]
+	ldr r1, [r0]
+	adds r1, r2
+	asrs r0, r3, 3
+	lsls r0, 5
+	adds r1, r0
+	add r1, r8
+	adds r6, r1, r7
+	ldrb r1, [r6]
+	movs r0, 0xF
+	ands r0, r1
+_08003008:
+	ldr r1, [sp, 0x14]
+	adds r0, r1, r0
+	strb r0, [r5]
+	adds r3, 0x1
+	adds r4, 0x1
+	ldr r2, [sp, 0x18]
+	cmp r3, r2
+	blt _08002FC8
+_08003018:
+	mov r2, r10
+	ldr r5, [sp, 0x38]
+	ldr r3, [sp, 0x1C]
+	cmp r2, r3
+	blt _08002F88
+	b _08003106
+_08003024:
+	adds r2, r3, 0
+	adds r5, r7, 0
+	ldr r7, [sp, 0x1C]
+	cmp r2, r7
+	bge _08003106
+	ldr r0, [sp, 0x8]
+	lsrs r0, 1
+	str r0, [sp, 0x34]
+	movs r0, 0x3
+	ldr r1, [sp, 0x34]
+	ands r1, r0
+	str r1, [sp, 0x34]
+_0800303C:
+	ldr r3, [sp]
+	ldr r1, [r3]
+	ldr r7, [sp, 0x34]
+	adds r1, r7
+	ldr r3, [sp, 0x8]
+	lsrs r0, r3, 3
+	lsls r0, 5
+	adds r1, r0
+	asrs r0, r2, 3
+	ldr r7, [sp, 0x20]
+	muls r0, r7
+	lsls r0, 5
+	mov r8, r0
+	add r1, r8
+	lsls r0, r2, 29
+	lsrs r7, r0, 27
+	adds r6, r1, r7
+	ldr r4, [sp, 0xC]
+	adds r2, 0x1
+	mov r10, r2
+	adds r0, r5, 0x1
+	str r0, [sp, 0x38]
+	ldr r1, [sp, 0x18]
+	cmp r3, r1
+	bge _080030FC
+	asrs r0, r5, 3
+	ldr r2, [sp, 0x24]
+	muls r0, r2
+	lsls r0, 6
+	mov r9, r0
+	lsls r0, r5, 29
+	lsrs r0, 26
+	mov r12, r0
+_0800307E:
+	movs r0, 0x1
+	ands r0, r3
+	cmp r0, 0
+	beq _080030B2
+	ldrb r2, [r6]
+	movs r0, 0xF0
+	ands r0, r2
+	ldr r5, [sp, 0x28]
+	cmp r0, r5
+	beq _080030F2
+	adds r0, r4, 0
+	movs r1, 0x7
+	ands r0, r1
+	ldr r5, [sp, 0x4]
+	ldr r1, [r5]
+	adds r1, r0
+	asrs r0, r4, 3
+	lsls r0, 6
+	adds r1, r0
+	add r1, r9
+	mov r0, r12
+	adds r5, r1, r0
+	lsrs r0, r2, 4
+	ldr r1, [sp, 0x14]
+	adds r0, r1, r0
+	b _080030F0
+_080030B2:
+	asrs r2, r3, 1
+	movs r0, 0x3
+	ands r2, r0
+	ldr r5, [sp]
+	ldr r1, [r5]
+	adds r1, r2
+	asrs r0, r3, 3
+	lsls r0, 5
+	adds r1, r0
+	add r1, r8
+	adds r6, r1, r7
+	ldrb r0, [r6]
+	movs r2, 0xF
+	ands r2, r0
+	ldr r0, [sp, 0x10]
+	cmp r2, r0
+	beq _080030F2
+	adds r0, r4, 0
+	movs r1, 0x7
+	ands r0, r1
+	ldr r5, [sp, 0x4]
+	ldr r1, [r5]
+	adds r1, r0
+	asrs r0, r4, 3
+	lsls r0, 6
+	adds r1, r0
+	add r1, r9
+	mov r0, r12
+	adds r5, r1, r0
+	ldr r1, [sp, 0x14]
+	adds r0, r1, r2
+_080030F0:
+	strb r0, [r5]
+_080030F2:
+	adds r3, 0x1
+	adds r4, 0x1
+	ldr r2, [sp, 0x18]
+	cmp r3, r2
+	blt _0800307E
+_080030FC:
+	mov r2, r10
+	ldr r5, [sp, 0x38]
+	ldr r3, [sp, 0x1C]
+	cmp r2, r3
+	blt _0800303C
+_08003106:
+	add sp, 0x3C
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end PixelBlock_CopyRect4BppTo8Bpp
+
+	thumb_func_start PixelBlock_FillRect8Bpp
+PixelBlock_FillRect8Bpp: @ 8003118
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x8
+	mov r8, r0
+	ldr r0, [sp, 0x28]
+	ldr r4, [sp, 0x2C]
+	lsls r1, 16
+	lsrs r1, 16
+	mov r10, r1
+	lsls r2, 16
+	lsrs r2, 16
+	adds r6, r2, 0
+	lsls r3, 16
+	lsrs r3, 16
+	lsls r0, 16
+	lsrs r0, 16
+	lsls r4, 24
+	lsrs r4, 24
+	mov r9, r4
+	adds r5, r1, r3
+	mov r3, r8
+	ldrh r1, [r3, 0x4]
+	cmp r5, r1
+	ble _08003150
+	adds r5, r1, 0
+_08003150:
+	adds r7, r2, r0
+	mov r2, r8
+	ldrh r0, [r2, 0x6]
+	cmp r7, r0
+	ble _0800315C
+	adds r7, r0, 0
+_0800315C:
+	movs r0, 0x7
+	ands r0, r1
+	adds r0, r1, r0
+	asrs r0, 3
+	str r0, [sp]
+	adds r1, r6, 0
+	cmp r1, r7
+	bge _080031AC
+_0800316C:
+	mov r3, r10
+	adds r6, r1, 0x1
+	str r6, [sp, 0x4]
+	cmp r3, r5
+	bge _080031A6
+	movs r0, 0x7
+	mov r12, r0
+	asrs r0, r1, 3
+	ldr r2, [sp]
+	muls r0, r2
+	lsls r4, r0, 6
+	lsls r0, r1, 29
+	lsrs r2, r0, 26
+_08003186:
+	adds r0, r3, 0
+	mov r6, r12
+	ands r0, r6
+	mov r6, r8
+	ldr r1, [r6]
+	adds r1, r0
+	asrs r0, r3, 3
+	lsls r0, 6
+	adds r1, r0
+	adds r1, r4
+	adds r1, r2
+	mov r0, r9
+	strb r0, [r1]
+	adds r3, 0x1
+	cmp r3, r5
+	blt _08003186
+_080031A6:
+	ldr r1, [sp, 0x4]
+	cmp r1, r7
+	blt _0800316C
+_080031AC:
+	add sp, 0x8
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end PixelBlock_FillRect8Bpp