.text .align 2 .thumb .global battle_switch_in_hook battle_switch_in_hook: ldr r1, =0xFDFF and r1, r2 strh r1, [r0] mov r4, #0 push {r0-r3} bl battle_switch_in pop {r0-r3} ldr r0, =0x08024FEC|1 bx r0