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A SEGMENT NUM DB 39H ;⑴ 预置数字'9'BUF DB 0AH,0DH,' NUM=';⑵ 待显示字串BUF0 DB 4 DUP(?); ⑶ 4字节缓冲区A ENDS B SEGMENT STACK DB 200 DUP(0) B ENDS C SEGMENT ASSUME DS:A,SS:B,CS:C BEGIN:MOV AX,A; ⑷ 取数据段址MOV DS,AX LEA DI,BUF0 ;⑸ 取BUF0缓冲区首址MOV AL,NUM MOV CL,4 SHR AL,CL ;⑹ 取HEX 39H 高位3OR AL,30H ;⑺ 化为ASCIIMOV [DI],A... |
