.section .text a.btest: push {lr} mov r0, #5 cmp r0, #4 pop {pc} .globl atest atest: push {lr} ldr r0, =a.btest mov r1, #0 mov r2, #0 bl add_thread mov r0, #5 subs r0, #5 svc #0 beq 1f mov r0, #0 mov r1, #11 mov r2, #0x4E mov r3, #0xFF0000 bl draw_cletter pop {pc} 1: mov r0, #0 mov r1, #11 mov r2, #0x59 mov r3, #0xFF00 bl draw_cletter pop {pc}