first commit

1 files changed, 813 insertions, 0 deletions

diff --git a/asm/blit.s b/asm/blit.s
new file mode 100644
index 000000000..e8b8ff81e
--- /dev/null
+++ b/asm/blit.s
@@ -0,0 +1,813 @@
+	.include "asm/macros.inc"
+	.include "constants/constants.inc"
+
+	.syntax unified
+
+	.text
+
+	thumb_func_start sub_8004A60
+sub_8004A60: @ 8004A60
+	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 sub_8004AA4
+	add sp, 0x14
+	pop {r3}
+	mov r8, r3
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8004A60
+
+	thumb_func_start sub_8004AA4
+sub_8004AA4: @ 8004AA4
+	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 _08004AF8
+	ldr r2, [sp, 0x8]
+	adds r0, r2
+	mov r8, r0
+_08004AF8:
+	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 _08004B0C
+	adds r0, r7
+	str r0, [sp, 0x14]
+_08004B0C:
+	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 _08004BCA
+	adds r3, r7, 0
+	mov r1, r9
+	ldr r2, [sp, 0x14]
+	cmp r3, r2
+	blt _08004B38
+	b _08004C72
+_08004B38:
+	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 _08004BBE
+	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
+_08004B68:
+	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 _08004B68
+_08004BBE:
+	ldr r3, [sp, 0x24]
+	ldr r1, [sp, 0x28]
+	ldr r2, [sp, 0x14]
+	cmp r3, r2
+	blt _08004B38
+	b _08004C72
+_08004BCA:
+	adds r3, r7, 0
+	mov r1, r9
+	ldr r4, [sp, 0x14]
+	cmp r3, r4
+	bge _08004C72
+_08004BD4:
+	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 _08004C68
+	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
+_08004C08:
+	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 _08004C60
+	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]
+_08004C60:
+	adds r5, 0x1
+	adds r6, 0x1
+	cmp r5, r8
+	blt _08004C08
+_08004C68:
+	ldr r3, [sp, 0x24]
+	ldr r1, [sp, 0x28]
+	ldr r2, [sp, 0x14]
+	cmp r3, r2
+	blt _08004BD4
+_08004C72:
+	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 sub_8004AA4
+
+	thumb_func_start sub_8004C84
+sub_8004C84: @ 8004C84
+	push {r4-r7,lr}
+	mov r7, r10
+	mov r6, r9
+	mov r5, r8
+	push {r5-r7}
+	sub sp, 0x4
+	mov r9, r0
+	ldr r0, [sp, 0x24]
+	ldr r4, [sp, 0x28]
+	lsls r1, 16
+	lsrs r1, 16
+	mov r10, r1
+	lsls r2, 16
+	lsrs r2, 16
+	adds r5, r2, 0
+	lsls r3, 16
+	lsrs r3, 16
+	lsls r0, 16
+	lsrs r0, 16
+	lsls r4, 24
+	lsrs r7, r4, 24
+	adds r4, r1, r3
+	mov r3, r9
+	ldrh r1, [r3, 0x4]
+	cmp r4, r1
+	ble _08004CBA
+	adds r4, r1, 0
+_08004CBA:
+	adds r2, r0
+	mov r12, r2
+	mov r2, r9
+	ldrh r0, [r2, 0x6]
+	cmp r12, r0
+	ble _08004CC8
+	mov r12, r0
+_08004CC8:
+	movs r0, 0x7
+	ands r0, r1
+	adds r0, r1, r0
+	asrs r0, 3
+	str r0, [sp]
+	adds r1, r5, 0
+	cmp r1, r12
+	bge _08004D30
+_08004CD8:
+	mov r3, r10
+	adds r0, r1, 0x1
+	mov r8, r0
+	cmp r3, r4
+	bge _08004D2A
+	asrs r0, r1, 3
+	ldr r2, [sp]
+	muls r0, r2
+	lsls r6, r0, 5
+	lsls r0, r1, 29
+	lsrs r5, r0, 27
+_08004CEE:
+	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
+	movs r0, 0x1
+	ands r0, r3
+	cmp r0, 0
+	beq _08004D1A
+	ldrb r0, [r2]
+	movs r1, 0xF
+	ands r1, r0
+	lsls r0, r7, 4
+	orrs r1, r0
+	strb r1, [r2]
+	b _08004D24
+_08004D1A:
+	ldrb r1, [r2]
+	movs r0, 0xF0
+	ands r0, r1
+	orrs r0, r7
+	strb r0, [r2]
+_08004D24:
+	adds r3, 0x1
+	cmp r3, r4
+	blt _08004CEE
+_08004D2A:
+	mov r1, r8
+	cmp r1, r12
+	blt _08004CD8
+_08004D30:
+	add sp, 0x4
+	pop {r3-r5}
+	mov r8, r3
+	mov r9, r4
+	mov r10, r5
+	pop {r4-r7}
+	pop {r0}
+	bx r0
+	thumb_func_end sub_8004C84
+
+	thumb_func_start sub_8004D40
+sub_8004D40: @ 8004D40
+	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 _08004DA6
+	ldr r2, [sp, 0x8]
+	adds r0, r2
+	str r0, [sp, 0x18]
+_08004DA6:
+	ldr r5, [sp, 0x4]
+	ldrh r1, [r5, 0x6]
+	subs r0, r1, r7
+	cmp r0, r4
+	bge _08004DB8
+	adds r0, r3, r1
+	subs r0, r7
+	str r0, [sp, 0x1C]
+	b _08004DBC
+_08004DB8:
+	adds r4, r3, r4
+	str r4, [sp, 0x1C]
+_08004DBC:
+	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 _08004E9C
+	adds r2, r3, 0
+	adds r5, r7, 0
+	ldr r1, [sp, 0x1C]
+	cmp r2, r1
+	blt _08004DEC
+	b _08004F7E
+_08004DEC:
+	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]
+_08004E00:
+	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 _08004E90
+	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
+_08004E40:
+	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 _08004E64
+	ldrb r0, [r6]
+	lsrs r0, 4
+	b _08004E80
+_08004E64:
+	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
+_08004E80:
+	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 _08004E40
+_08004E90:
+	mov r2, r10
+	ldr r5, [sp, 0x38]
+	ldr r3, [sp, 0x1C]
+	cmp r2, r3
+	blt _08004E00
+	b _08004F7E
+_08004E9C:
+	adds r2, r3, 0
+	adds r5, r7, 0
+	ldr r7, [sp, 0x1C]
+	cmp r2, r7
+	bge _08004F7E
+	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]
+_08004EB4:
+	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 _08004F74
+	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
+_08004EF6:
+	movs r0, 0x1
+	ands r0, r3
+	cmp r0, 0
+	beq _08004F2A
+	ldrb r2, [r6]
+	movs r0, 0xF0
+	ands r0, r2
+	ldr r5, [sp, 0x28]
+	cmp r0, r5
+	beq _08004F6A
+	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 _08004F68
+_08004F2A:
+	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 _08004F6A
+	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
+_08004F68:
+	strb r0, [r5]
+_08004F6A:
+	adds r3, 0x1
+	adds r4, 0x1
+	ldr r2, [sp, 0x18]
+	cmp r3, r2
+	blt _08004EF6
+_08004F74:
+	mov r2, r10
+	ldr r5, [sp, 0x38]
+	ldr r3, [sp, 0x1C]
+	cmp r2, r3
+	blt _08004EB4
+_08004F7E:
+	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 sub_8004D40
+
+	thumb_func_start sub_8004F90
+sub_8004F90: @ 8004F90
+	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 _08004FC8
+	adds r5, r1, 0
+_08004FC8:
+	adds r7, r2, r0
+	mov r2, r8
+	ldrh r0, [r2, 0x6]
+	cmp r7, r0
+	ble _08004FD4
+	adds r7, r0, 0
+_08004FD4:
+	movs r0, 0x7
+	ands r0, r1
+	adds r0, r1, r0
+	asrs r0, 3
+	str r0, [sp]
+	adds r1, r6, 0
+	cmp r1, r7
+	bge _08005024
+_08004FE4:
+	mov r3, r10
+	adds r6, r1, 0x1
+	str r6, [sp, 0x4]
+	cmp r3, r5
+	bge _0800501E
+	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
+_08004FFE:
+	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 _08004FFE
+_0800501E:
+	ldr r1, [sp, 0x4]
+	cmp r1, r7
+	blt _08004FE4
+_08005024:
+	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 sub_8004F90
+
+	.align 2, 0 @ Don't pad with nop.