1．編程題
;變量X, Y, Z中存放了三個(gè)有符號(hào)數(shù),編寫程序?qū)⑵渥钚?shù)送到AX寄存器中,源程序中不少于4條重要注釋.
ASSUME CS:CODE, DS:DATA
DATA SEGMENT
X DW 128
Y DW 8
Z DW 256
DATA ENDS
CODE SEGMENT
START:
MOV AX, DATA
MOV DS, AX
MOV AX, X ;假設(shè)最小值是X, 現(xiàn)在將X的值存入AX
CMP AX, Y ;最小值和Y比較,
JL DONE ;最小值小于Y,跳轉(zhuǎn)到DONE
MOV AX, Y ;否則Y就是最小值
DONE: CMP AX, Z
JL EXIT
MOV AX, Z
EXIT: MOV AX, 4C00H
INT21H
CODE ENDS
END START