1 files changed, 126 insertions, 0 deletions
diff --git a/asm/flag.s b/asm/flag.s
new file mode 100644
index 000000000..b4ef7bfa4
--- /dev/null
+++ b/asm/flag.s
@@ -0,0 +1,126 @@
+	.include "asm/macros.inc"
+	.include "constants/constants.inc"
+
+	.syntax unified
+
+	.text
+
+	thumb_func_start GetFlagPointer
+@ u8 *GetFlagPointer(u16 flagId)
+GetFlagPointer: @ 809D6EC
+	push {lr}
+	lsls r1, r0, 16
+	lsrs r2, r1, 16
+	adds r3, r2, 0
+	cmp r2, 0
+	bne _0809D6FC
+	movs r0, 0
+	b _0809D72E
+_0809D6FC:
+	ldr r0, =0x00003fff
+	cmp r2, r0
+	bhi _0809D71C
+	ldr r0, =0x03005d8c
+	lsrs r1, 19
+	ldr r2, =0x00001270
+	adds r1, r2
+	ldr r0, [r0]
+	b _0809D72C
+	.pool
+_0809D71C:
+	ldr r1, =0xffffc000
+	adds r0, r3, r1
+	cmp r0, 0
+	bge _0809D728
+	ldr r2, =0xffffc007
+	adds r0, r3, r2
+_0809D728:
+	asrs r0, 3
+	ldr r1, =0x020375fc
+_0809D72C:
+	adds r0, r1
+_0809D72E:
+	pop {r1}
+	bx r1
+	.pool
+	thumb_func_end GetFlagPointer
+
+	thumb_func_start FlagSet
+@ bool8 FlagSet(u16 flagId)
+FlagSet: @ 809D740
+	push {r4,lr}
+	lsls r0, 16
+	lsrs r4, r0, 16
+	adds r0, r4, 0
+	bl GetFlagPointer
+	adds r2, r0, 0
+	cmp r2, 0
+	beq _0809D760
+	movs r0, 0x7
+	ands r0, r4
+	movs r1, 0x1
+	lsls r1, r0
+	ldrb r0, [r2]
+	orrs r1, r0
+	strb r1, [r2]
+_0809D760:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end FlagSet
+
+	thumb_func_start FlagReset
+@ bool8 FlagReset(u16 flagId)
+FlagReset: @ 809D768
+	push {r4,lr}
+	lsls r0, 16
+	lsrs r4, r0, 16
+	adds r0, r4, 0
+	bl GetFlagPointer
+	adds r2, r0, 0
+	cmp r2, 0
+	beq _0809D788
+	movs r0, 0x7
+	ands r0, r4
+	movs r1, 0x1
+	lsls r1, r0
+	ldrb r0, [r2]
+	bics r0, r1
+	strb r0, [r2]
+_0809D788:
+	movs r0, 0
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end FlagReset
+
+	thumb_func_start FlagGet
+@ bool8 FlagGet(u16 flagId)
+FlagGet: @ 809D790
+	push {r4,lr}
+	lsls r0, 16
+	lsrs r4, r0, 16
+	adds r0, r4, 0
+	bl GetFlagPointer
+	cmp r0, 0
+	beq _0809D7B4
+	ldrb r0, [r0]
+	movs r1, 0x7
+	ands r1, r4
+	asrs r0, r1
+	movs r1, 0x1
+	ands r0, r1
+	cmp r0, 0
+	beq _0809D7B4
+	movs r0, 0x1
+	b _0809D7B6
+_0809D7B4:
+	movs r0, 0
+_0809D7B6:
+	pop {r4}
+	pop {r1}
+	bx r1
+	thumb_func_end FlagGet
+
+	.align 2, 0 @ Don't pad with nop.