D:> DEBUG冷 ;进入 DEBUG A女 ;汇编指令 126C:0100 MOV BX,2000≌ 126C:0103MOv[Bx,CS≌ 126C:0105女 R 查看指令执行前寄存器的内容 AX=0000BX=0000CX0000DX=0000SP= FFEE BE=0000SI=0000DI=0000 DS=126C ES=126C SS=126C CS=126C IP=0100 NV UPEIPLNZNA PO NC 126C:0100B83412 MOV AX,1234 DDS:2000L20女 ;查看指令执行前内存单元的内容 126C:20000044CD21881634DB-F6C2807433A033D4D.4..t3.3. 126C:2010240C7509A051DC0A-064DDC74197A21A8$.u.Q…M.tz T=100 ;单步执行指令 AX=0000BX=2000CX0000DX=0000SP= FFEE BE=0000SI=0000DI=0000 DS=126C Es=126C SS=126C CS=126C P=0103 NVUP EIPL NA PO NC 126C:01038C0F MOV BX,CS DS:2000=4400 T女 ;单步执行指令 AX=0000BX=2000CX=0000DX=0000SP= FFEE BP=0000SI=0000DI=0000 DS=126C ES=126C SS=126C CS=126C IP=0105 NV UP EI PL NZ NA PO NO 126C:01050475 ADD AL.75 -DDS:2000L10女 ;查看指令执行后内存单元的内容 126C:20006C12CD21881634DB-F6C2807433A033D4L!.4..13.3. -Q台D:\>DEBUG  ;进入DEBUG -A  ;汇编指令 126C:0100 MOV BX, 2000  126C:0103 MOV [BX], CS  126C:0105  -R  ;查看指令执行前寄存器的内容 AX=0000 BX=0000 CX=0000 DX=0000 SP=FFEE BP=0000 SI=0000 DI=0000 DS=126C ES=126C SS=126C CS=126C IP=0100 NV UP EI PL NZ NA PO NC 126C:0100 B83412 MOV AX,1234 -D DS:2000 L20  ;查看指令执行前内存单元的内容 126C:2000 00 44 CD 21 88 16 34 DB-F6 C2 80 74 33 A0 33 D4 .D.!..4....t3.3. 126C:2010 24 0C 75 09 A0 51 DC 0A-06 4D DC 74 19 7A 21 A8 $.u..Q...M.t.z!. -T=100  ;单步执行指令 AX=0000 BX=2000 CX=0000 DX=0000 SP=FFEE BP=0000 SI=0000 DI=0000 DS=126C ES=126C SS=126C CS=126C IP=0103 NV UP EI PL NZ NA PO NC 126C:0103 8C0F MOV [BX],CS DS:2000=4400 -T  ;单步执行指令 AX=0000 BX=2000 CX=0000 DX=0000 SP=FFEE BP=0000 SI=0000 DI=0000 DS=126C ES=126C SS=126C CS=126C IP=0105 NV UP EI PL NZ NA PO NC 126C:0105 0475 ADD AL,75 -D DS:2000 L10  ;查看指令执行后内存单元的内容 126C:2000 6C 12 CD 21 88 16 34 DB-F6 C2 80 74 33 A0 33 D4 l..!..4....t3.3. -Q 