1938:0100 B80102 MOV AX,0201
1938:0103 BB0010 MOV BX,1000
1938:0106 B90100 MOV CX,0001
1938:0109 BA8000 MOV DX,0080
1938:010C CD13 INT 13
1938:010E BA2801 MOV DX,0128
1938:0111 B8003C MOV AX,3C00
1938:0114 CD21 INT 21
1938:0116 89C3 MOV BX,AX
1938:0118 BA0010 MOV DX,1000
1938:011B B90002 MOV CX,0200
1938:011E B440 MOV AH,40
1938:0120 CD21 INT 21
1938:0122 B43E MOV AH,3E
1938:0124 CD21 INT 21
1938:0126 CD20 INT 20
1938:0128 63 DB 63
1938:0129 3A5C61 CMP BL,[SI+61]
1938:012C 61 DB 61
1938:012D 61 DB 61
1938:012E 2E CS:
1938:012F 64 DB 64
1938:0130 61 DB 61
1938:0131 7400 JZ 0133
后面乱码的是文件名 c:/aaa.dat, 你自己改一下扇区号和柱面号就可以了,
我没有做错误处理