1: / C library -- umount 2: 3: .globl _umount 4: .globl cerror 5: indir = 0 6: .umount = 22. 7: .comm _errno,2 8: 9: _umount: 10: mov r5,-(sp) 11: mov sp,r5 12: mov 4(sp),0f 13: sys indir; 9f 14: bec 1f 15: jmp cerror 16: 1: 17: clr r0 18: mov (sp)+,r5 19: rts pc 20: 21: .data 22: 9: 23: sys .umount; 0:..