摘要： 1 assume cs:code,ds:data 2 //and指令使某位变0,or指令使某位变1 3 data segment 4 db 'BaSic','iNfOrMaTiOn' //db指令:定义字节数据,与dw指令:定义字数据 5 data ends 6 7 code segment 8 start: 9 mov ax,data 1... 阅读全文

摘要： 1 assume cs:code 2 3 a segment 4 dw 1,2,3,4,5,6,7,8,9,0ah,0bh,0ch,0dh,0eh,0fh,0ffh 5 a ends 6 7 b segment 8 dw 0,0,0,0,0,0,0,0 9 b ends 10 11 code segment 12 start: 13 ... 阅读全文

摘要： 1 assume cs:code 2 3 a segment 4 dw 1,2,3,4,5,6,7,8,9,0ah,0bh,0ch,0dh,0eh,0fh,0ffh 5 a ends 6 7 b segment 8 dw 0,0,0,0,0,0,0,0 9 b ends 10 11 code segment 12 start: 13 ... 阅读全文

摘要： 1 assume cs:code 2 3 code segment 4 5 dw 0123h,0456h,0789h,0abch,0defh,0fedh,0cbah,0987h 6 dw 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 7 start: 8 mov ax,cs 9 mov ss,... 阅读全文

摘要： 1 assume cs:code 2 3 code segment 4 5 dw 0123h,0456h,0789h,0abch,0defh,0fedh,0cbah,0987h 6 start: 7 mov ax,0 8 mov ds,ax 9 mov bx,0 10 mov c... 阅读全文

摘要： 1 assume cs:code 2 3 code segment 4 5 dw 0123h,0456h,0789h,0abch,0defh,0fedh,0cbah,0987h 6 start: //程序入口 7 mov bx,0 8 mov ax,0 9 mov cx,8 10 s... 阅读全文

摘要： 1 assume cs:code 2 //所谓赋值是从段地址首到程序返回,属于段的应用,段地址开始CS:IP 3 code segment 4 5 mov ax,cs 6 mov ds,ax 7 mov ax,0020h 8 mov es,ax 9 mov bx,0 10 sub cx,5 //结束指令占5字节,减去返回指令即为... 阅读全文