.text .align 2 .thumb .global set_textbox set_textbox: push {lr} ldr r0, pointer_bank ldr r0, [r0] bl setup_textwindow pop {r0} bx r0 setup_textwindow: ldr r1, rbox_8003B24 bx r1 .align 2 rbox_8003B24: .word 0x08003B24 | 1 pointer_bank: .word 0x03000F14