例4-1编写一个两字相加的程序 DSEG SEGMENT MOV AX, ESEG DATAl DW OF865H MOV ES, AX DATA2 DW 360CH LEA SI, SUM DSEG ENDS MOV AX, DTTAI ADD ES: [SI], AX ESEG SEGMENT HLT SUM DW 2 DUP(? SEG ENDS ESEG ENDS END START CSEG SEGMENT 代码段:CODE ASSUME CS: CSEG, DS 数据段:DATA START: MOV AX, DSEG 堆栈段: STACK MOV DS, AXv 例4-1 编写一个两字相加的程序 DSEG SEGMENT DATA1 DW 0F865H DATA2 DW 360CH DSEG ENDS ESEG SEGMENT SUM DW 2 DUP（？） ESEG ENDS CSEG SEGMENT ASSUME CS：CSEG，DS：DSEG，ES：ESEG START： MOV AX，DSEG MOV DS，AX MOV AX，ESEG MOV ES，AX LEA SI，SUM MOV AX，DTTA1 ADD ES：[SI]，AX HLT CSEG ENDS END START 代码段：CODE 数据段：DATA 堆栈段：STACK