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1、实验二内存操作数及寻址方法实验目的:通过实验学握下列知识:1、8086系统中数据在内存中的存放方式和内存操作数的几种寻址方式。2、8086指令:tnc, dec,寄存器si,dio3、8086汇编语言伪操作:byte ptr, word ptr。实验内容和步骤:内存操作数及各种寻址方式使用: 内容:movax, 1234mov1000, axmovbx, 1002movbyte ptrbx, 20movdl, 39incbxmovbx,dldecdlmovsi, 3movbx+si,dlmovbx+st+1,dlmovword ptrbx+s1+2, 2846步骤:1)用a命令键入上述程序,并

2、用t命令逐条运行。,|g|x|ct c: yiffd0ys.systeb32cbd一 d皀bug13b3:0118 mou bx+si*1j,dl13b3:011b mou word ptrlbx+si+2 k284613b3:0120-qc:docume1admini>debug pa13b3:0100 mou ax,1234 13b3:0103 mou 1000.ax13b3:0109 13b3:010c 13b3:010e 13b3:010f 13b3:0111 13b3:0113 13b3:0116 13b3:0118 13b3:011b 13b3:0120mou byte pt

3、rbxj,20mou dl.39inc bxmou bxj.dldec dlmou si,3mou bx+sikdlmou bx+si+1j.dlmou word ptrcbx+si23,2846ax=1234bx=0000ds=13b3 13b3:0103 -d 1000es=13b3a30010cx=0000 dx=0000 sp=ffeess=13b3cs=13b3 ip=01031000,axcs=13b3bp=0000 si=0000 di=0000 nu up el pl nzna po ncds:1000=000013b3:10000000000000000000-0000000

4、00000000013b3:10100000000000000000-000000000000000013b3:10200000000000000000-000000000000000013b3:10300000000000000000-000000000000000013b3:10400000000000000000-000000000000000013b3:10500000000000000000-000000000000000013b3:10600000000000000000-000000000000000013b3:10700000000000000000-0000000000000

5、000moujl jl u ucjo_cjo_ctocto_cto_ctocto_ctocto_cjo_cfocto_ctouu-tax=1234bx=0000ds=13b3 13b3:0106 pd 1000es=13b3bb0210cx=0000 dx=0000 sp=ffeess=13b3 cs=13b3ip=0106moubp=0000 si=0000 di=0000 nu up el pl nzna po nc13b3:10003412000000000000-000000000000000013b3:10100000000000000000-000000000000000013b3

6、:10200000000000000000-000000000000000013b3:10300000000000000000-000000000000000013b3:10400000000000000000000000000000000013b3:10500000000000000000-000000000000000013b3:10600000000000000000-000000000000000013b3:107000000000000000000000000000000000bx.10024jl -tax=1234bx=1002©s=13b3 13b3:0109-des=

7、13b3c60720cx=0000dx=0000ss=13b3cs=13b3mousp=ffeeip=0109 bvte ptrbp=0000 si=0000 nu up el pl nz bx,20di=0000na po ncds:1002=0013b3:10800000000000000000-000000000000000013b3:10900000000000000000000000000000000013b3:10a00000000000000000-000000000000000013b3:10b00000000000000000-000000000000000013b3:10c

8、00000000000000000-000000000000000013b3:10d00000000000000000000000000000000013b3:10e00000000000000000-000000000000000013b3:10f00000000000000000-0000000000000000ax=1234bx=1002ds=13b3 13b3:010cfd 1000es=13b3b239cx=0000 dx=0000 sp=ffee ss=13b3cs=13b3ip=010cmoubp=0000 si=0000 di=0000 nu up el pl nzna po

9、nc13b3:10003412200000000000-000000000000000013b3:10100000000000000000-000000000000000013b3:10200000000000000000-000000000000000013b3:10300000000000000000000000000000000013b3:10400000000000000000-000000000000000013b3:10500000000000000000-000000000000000013b3:10600000000000000000-000000000000000013b3:

10、107000000000000000000000000000000000dl.39-tax=1234 bx=1002 ©s=13b3 es=13b3 13b3:010e 43cx=0000 dx=0039 sp=ffee ss=13b3cs=13b3 ip=010einc bxbp=0000 si=0000 di=0000nu up el pl nz na po nc13b3:1000341213b3:1010000013b3:1020000013b3:1030000013b3:1040000013b3:1050000013b3:1060000013b3:10700000-d 100

11、02000000000000000000000000000000000000000-0000000000000000000000000000-0000000000000000000000000000-00000000000000000000000000000000000000000000000000000000-0000000000000000000000000000-0000000000000000000000000000-00000000000000004jl jl u ucjo_cjo_ctocto_cto_ctocto_ctocto_cjo_cfocto_ctouu-tax=1234b

12、x=1003ds=13b3 13b3:010f pd 1000es=13b38817cx=0000dx=0039ss=13b3cs=13b3mousp=ffeeip=010f bx3.dlbp=0000 si=0000 di=0000 nu up el pl nzna pe ncds:1003=0013b3:10003412200000000000-000000000000000013b3:10100000000000000000-000000000000000013b3:10200000000000000000-000000000000000013b3:1030000000000000000

13、0-000000000000000013b3:10400000000000000000000000000000000013b3:10500000000000000000-000000000000000013b3:10600000000000000000-000000000000000013b3:1070000000000000000000000000000000004.jl -tax=1234bx=1003©s=13b3 13b3:0111 pd 1000es=13b3fecacx=0000ss=13b3decdx=0039 sp=ffeecs=13b3ip=0111dlbp=000

14、0 si=0000nu up el pl nzdi=0000 na pe nc13b3:10003412203900000000-000000000000000013b3:10100000000000000000000000000000000013b3:10200000000000000000-000000000000000013b3:10300000000000000000-000000000000000013b3:10400000000000000000-00000000000000001363:10500000000000000000000000000000000013b3:106000

15、00000000000000-000000000000000013b3:10700000000000000000-00000000000000004. 9uaj x cj i tjcto_cto_otj_oo_ctocto_otj_cto_cto_cto_c7t7ax=1234bx=1003es=13b3 be0300ds=13b3cx=0000dx=0038ss=13b3cs=13b3mousp=ffeeip=0113si,0003bp=0000 si=0000 di=0000 nu up el pl nzna po nc13b3:10003412203900000000-000000000

16、000000013b3:10100000000000000000-000000000000000013b3:10200000000000000000-000000000000000013b3:10300000000000000000-000000000000000013b3:10400000000000000000-000000000000000013b3:10500000000000000000000000000000000013b3:10600000000000000000-000000000000000013b3:10700000000000000000-0000000000000000

17、4. 913b3:0113 -d 1000ax=1234bx=1003ds=13b3es=13b313b3:01168810-d 100013b3:1000341213b3:1010000013b3:1020000013b3:1030000013b3:1040000013b3:1050000013b3:1060000013b3:10700000-tcx=0000 dx=0038 sp=ffee ss=13b3cs=13b3ip=0116mou bx+sij,dlbp=0000 si=0003 di=0000nu up el pl nz na po ncds:1006=0020390000000

18、00000000000000000000000000000-0000000000000000000000000000-0000000000000000000000000000-00000000000000000000000000000000000000000000000000000000-0000000000000000000000000000-0000000000000000000000000000-00000000000000004. 9jl jl u ucjo_cjo_ctocto_cto_ctocto_ctocto_cjo_cfocto_ctouu-tax=1234bx=1003ds=

19、13b3 13b3:0118 pd 1000es=13b3885001cx=0000 dx=0038 sp=ffee bp=0000 si=0003 ss=13b3cs=13b3ip=0118 nu up el pl nzmoudi=0000 na po ncds:1007=0013b3:10003412203900003800-000000000000000013b3:10100000000000000000-000000000000000013b3:10200000000000000000-000000000000000013b3:10300000000000000000-000000000000000013b3:10400000000000000000000000000000000013b3:10500000000000000000-000000000000000013b3:10600000000000000000-000000000000000013b3:107000000000000000000000000000000000bx+si*013,dl4. 9jl 2

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