"** 01-s1.pdf page 65 " trysys sys open; a.out; 0 spa jmp error sys read; buf; 3072 sad .-1 jmp error iof caf cdf clof law buf dac t1 dzm t2 -3072 dac c1 1: lac t1 i dac t2 i isz t1 isz t2 isz c1 jmp 1b jmp 0100 error: lac d1 sys write; 1f; 1 sys exit 1: 077012 a.out: <a.>;<ou>;<t 040; 040040 t1: 0 t2: 0 c1: 0 d1: 1 buf: