call = 57. / C library -- lcall / lcall(file, arg1, arg2, ... , 0); / .globl _lcall, cerror _lcall: mov r5,-(sp) mov sp,r5 mov 4(r5),0f mov r5,r0 add $6,r0 mov r0,0f+2 sys 0; 9f br 1f 1: bec 2f jmp cerror 2: mov (sp)+,r5 rts pc .data 9: sys call; 0:..; ..