get at me, hex

.align	2
@Hardware offset
.long	0x08000000
@AS routine is at 0x08028B76

@----------
@	Hook
@----------

BDH_HOOK:
	.align	2
	@.org	0x08029440
	.set	BDH_HOOK_SIZE, BDH_HOOK_END - BDH_HOOK_ST
	.set	BDH_HOOK_ORG, 0x08029440
	.long	BDH_HOOK_ORG
	.long	0x00000002
	.long	BDH_HOOK_SIZE

.thumb
.short	0x00

BDH_HOOK_ST:
	@Preparations
	push	{r9,lr}
	ldr 	r0, BDH_HOOK_TARG
	bl		r0
	mov		lr, r2
	lsl		r0, #0x0		@Padding
	@Right after this is the rest of the original function.

BDH_HOOK_TARG:
	.align	2
	.long	BDH_HACK_ORG + 1
BDH_HOOK_END:

@----------
@	Hack
@----------

.align	2
@.org	0x8D3___

BDH_HACK:
	.set	BDH_HACK_SIZE, BDH_HACK_END - BDH_HACK_ST
	.set	BDH_HACK_ORG, 0x08D3___
	.long	BDH_HACK_ORG
	.long	0x00000000
	.long	BDH_HACK_SIZE

.thumb

BDH_HACK_ST:
	ldrh	r2, [r7, r2]	@Load enemy HP: Missing
	mov		r3, #0x4		@Ready R3: Missing
	ldsh	r0, [r1, r3]	@Load damage: missing
	cmp		r0, r2			@Is damage less than enemy HP?: missing
	ble		RETURN
	mov		r9, #0x3		@Prepare R9
	cmp		r2, r9			@
	beq		NEGATE_ATT		@If equal, negate attack
	strh	r2, [r1, #0x4]	@Otherwise, set enemy HP as damage: missing
	b		RETURN

NEGATE_ATT:					@The actual hack bit
	mov		r9, #0x1		@R9 is useless, so use it as scratch
	strh	r9, [r1, #0x4]	@Store 1 as damage.

@Cleanup.

RETURN:
	pop		{r9, r2}		@R2 is safe, it gets clobbered immediately after return.
	bx		lr				@Return to main function