.include "asm/macros.inc"
	.include "constants/constants.inc"

	.syntax unified

	.text



	thumb_func_start sub_81BA040
sub_81BA040: @ 81BA040
	push {r4-r7,lr}
	mov r7, r10
	mov r6, r9
	mov r5, r8
	push {r5-r7}
	sub sp, 0x10
	movs r0, 0
	mov r10, r0
	ldr r1, =gFacilityTrainers
	ldr r0, =gSlateportBattleTentTrainers
	str r0, [r1]
	ldr r1, =gFacilityTrainerMons
	ldr r0, =gSlateportBattleTentMons
	str r0, [r1]
	ldr r7, =gSaveBlock2Ptr
	ldr r1, =0x0000ffff
	mov r8, r1
_081BA062:
	mov r2, r10
	lsls r6, r2, 1
_081BA066:
	bl Random
	lsls r0, 16
	lsrs r0, 16
	movs r1, 0x1E
	bl __umodsi3
	lsls r0, 16
	lsrs r3, r0, 16
	movs r5, 0
	ldr r1, [r7]
	ldr r4, =0x00000cb2
	adds r0, r1, r4
	ldrh r0, [r0]
	cmp r5, r0
	bge _081BA0AA
	ldr r2, =0x00000cb4
	adds r0, r1, r2
	ldrh r0, [r0]
	cmp r0, r3
	beq _081BA0AA
	ldr r0, =gSaveBlock2Ptr
	ldr r1, [r0]
	adds r0, r1, r4
	ldrh r2, [r0]
	adds r4, 0x2
	adds r1, r4
_081BA09C:
	adds r1, 0x2
	adds r5, 0x1
	cmp r5, r2
	bge _081BA0AA
	ldrh r0, [r1]
	cmp r0, r3
	bne _081BA09C
_081BA0AA:
	ldr r0, [r7]
	ldr r1, =0x00000cb2
	adds r0, r1
	ldrh r0, [r0]
	cmp r5, r0
	bne _081BA066
	ldr r2, =gTrainerBattleOpponent_A
	strh r3, [r2]
	ldrh r3, [r2]
	ldr r4, =gFacilityTrainers
	ldr r1, [r4]
	movs r0, 0x34
	muls r0, r3
	adds r0, r1
	ldr r0, [r0, 0x30]
	adds r1, r6, r0
	ldrh r0, [r1]
	cmp r0, r8
	beq _081BA0DE
	ldr r3, =0x0000ffff
_081BA0D2:
	adds r1, 0x2
	movs r6, 0x1
	add r10, r6
	ldrh r0, [r1]
	cmp r0, r3
	bne _081BA0D2
_081BA0DE:
	mov r0, r10
	cmp r0, 0x8
	bgt _081BA110
	movs r1, 0
	mov r10, r1
	b _081BA062
	.pool
_081BA110:
	ldr r0, =gSaveBlock2Ptr
	ldr r1, [r0]
	ldr r6, =0x00000cb2
	adds r3, r1, r6
	ldrh r0, [r3]
	cmp r0, 0x1
	bhi _081BA12A
	lsls r0, 1
	ldr r3, =0x00000cb4
	adds r1, r3
	adds r1, r0
	ldrh r0, [r2]
	strh r0, [r1]
_081BA12A:
	ldrh r1, [r2]
	ldr r2, [r4]
	movs r0, 0x34
	muls r0, r1
	adds r0, r2
	ldr r0, [r0, 0x30]
	mov r9, r0
	movs r5, 0
	ldr r7, =gUnknown_03001298
	mov r8, sp
_081BA13E:
	bl Random
	lsls r0, 16
	lsrs r0, 16
	mov r1, r10
	bl __modsi3
	lsls r0, 1
	add r0, r9
	ldrh r0, [r0]
	strh r0, [r7]
	movs r2, 0
	ldrh r0, [r7]
	ldr r4, =gFacilityTrainerMons
	ldr r3, [r4]
	lsls r0, 4
	adds r0, r3
	ldr r1, =gSaveBlock2Ptr
	ldrh r6, [r0]
	ldr r1, [r1]
_081BA166:
	movs r4, 0xE7
	lsls r4, 4
	adds r0, r1, r4
	ldrh r0, [r0]
	lsls r0, 4
	adds r0, r3
	ldrh r0, [r0]
	cmp r6, r0
	beq _081BA180
	adds r1, 0xC
	adds r2, 0x1
	cmp r2, 0x5
	ble _081BA166
_081BA180:
	cmp r2, 0x6
	bne _081BA220
	movs r4, 0
	cmp r4, r5
	bge _081BA1B0
	mov r0, sp
	ldrh r0, [r0]
	cmp r0, r6
	beq _081BA1B0
	ldr r6, =gUnknown_03001298
	ldr r3, =gFacilityTrainerMons
	mov r2, sp
_081BA198:
	adds r2, 0x2
	adds r4, 0x1
	cmp r4, r5
	bge _081BA1B0
	ldrh r0, [r6]
	ldr r1, [r3]
	lsls r0, 4
	adds r0, r1
	ldrh r1, [r2]
	ldrh r0, [r0]
	cmp r1, r0
	bne _081BA198
_081BA1B0:
	cmp r4, r5
	bne _081BA220
	movs r4, 0
	cmp r4, r5
	bge _081BA1E6
	ldr r6, =gBattleFrontierHeldItems
	mov r12, r6
	add r3, sp, 0x8
_081BA1C0:
	ldrh r2, [r3]
	cmp r2, 0
	beq _081BA1DE
	ldr r1, =gUnknown_03001298
	ldrh r0, [r1]
	ldr r6, =gFacilityTrainerMons
	ldr r1, [r6]
	lsls r0, 4
	adds r0, r1
	ldrb r0, [r0, 0xA]
	lsls r0, 1
	add r0, r12
	ldrh r0, [r0]
	cmp r2, r0
	beq _081BA1E6
_081BA1DE:
	adds r3, 0x2
	adds r4, 0x1
	cmp r4, r5
	blt _081BA1C0
_081BA1E6:
	cmp r4, r5
	bne _081BA220
	lsls r2, r5, 1
	ldrh r0, [r7]
	ldr r1, =gFacilityTrainerMons
	ldr r4, [r1]
	lsls r0, 4
	adds r0, r4
	ldrh r0, [r0]
	mov r3, r8
	strh r0, [r3]
	add r1, sp, 0x8
	adds r1, r2
	ldr r3, =gBattleFrontierHeldItems
	ldrh r0, [r7]
	lsls r0, 4
	adds r0, r4
	ldrb r0, [r0, 0xA]
	lsls r0, 1
	adds r0, r3
	ldrh r0, [r0]
	strh r0, [r1]
	ldr r0, =gUnknown_03006298
	adds r2, r0
	ldrh r0, [r7]
	strh r0, [r2]
	movs r4, 0x2
	add r8, r4
	adds r5, 0x1
_081BA220:
	cmp r5, 0x3
	bne _081BA13E
	add sp, 0x10
	pop {r3-r5}
	mov r8, r3
	mov r9, r4
	mov r10, r5
	pop {r4-r7}
	pop {r0}
	bx r0
	.pool
	thumb_func_end sub_81BA040

	.align 2, 0 @ Don't pad with nop.