汇編语言程序设计 NAME EXAM6 1 DATA SEGMENT BUF DB 71H. 0A4H. 9BH RES DB 2 DUP(?) DATA ENDS STACK SEGMENT PARA STACK STACK STAN DB 100DUP(?) TOP EQU LENGTH STAPN STACK ENDS CODE SEGMENT aSSUMe CS: CoDE, DS DAtA. SS: STACK START. MO AX. dATA MO DS AX MO AX. STACK MOV SS. AX MOV AX. TOP MOv SP AX MOV AX.O AX清0 Mov WORD PTR RES AX ;RES字单元清0汇编语言 程序设计 NAME EXAM6_1 DATA SEGMENT BUF DB 71H,0A4H,9BH RES DB 2 DUP(?) DATA ENDS STACK SEGMENT PARA STACK 'STACK' STAPN DB 100 DUP(?) TOP EQU LENGTH STAPN STACK ENDS CODE SEGMENT ASSUME CS:CODE, DS:DATA, SS:STACK START:MOV AX,DATA MOV DS,AX MOV AX,STACK MOV SS,AX MOV AX,TOP MOV SP,AX MOV AX,0 ；AX清0 MOV WORD PTR RES,AX ；RES字单元清0