接口考试实验题.docx

接口考试实验题.docx

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接口考试实验题

字母下落一行的子程序

参考程序清单如下：

DSEGSEGMENT

ROWDB0

COLDB20

CHRDB41H

DELTDB10

DSEGENDS

CSEGSEGMENT

ASSUMECS:

CSEG,DS:

DSEG

START:

MOVAX,DSEG

MOVDS,AX

MOVAH,0

INT16H

SUBAL,30H

MOVDELT,AL

MOVCX,25

AGAIN:

MOVDH,ROW

MOVDL,COL

MOVAL,CHR

CALLDROP

INCROW

CALLDEALY

DECCX

JNZAGAIN

MOVAH,4CH

INT21H

DEALY:

MOVBL,DELT

DEALY1:

MOVDX,0

DEALY2:

DECDX

JNZDEALY2

DECBL

JNZDEALY1

RET

DROPPROCNEAR

PUSHAX

PUSHDX

ANDDH,DH

MOVDX,3D4H

MOVAL,10

OUTDX,AL

MOVBH,0

MOVAH,2

POPDX

PUSHDX

DECDH

INT10H

MOVAL,20H

MOVAH,0EH

INT10H

DROP1:

POPDX

POPAX

MOVAH,02

INT10H

MOVAH,0EH

INT10H

RET

DROPENDP

CSEGENDS

ENDSTART

2）显示一个开动的汽车

参考程序清单：

DATA_SEGSEGMENT

CARDB7

DB52H,70H,0,0

DB0B1H,70H,0,1

DB0DBH,7,0,1

DB0DBH,7,0,1

DB4FH,7,1,0

DB4FH,7,0,-3

DB2,7,-2,1

CHAR_CNTDW?

POINTERDW?

LINE_ONDB?

COL_ONDB?

DATA_SEGENDS

CODE_SEGSEGMENTASSUNMECS:

CODE_SEG,DS:

DATA_SEG

MAINPROCFAR

PUSHDS

SUBAX,AX

PUSHAX

MOVDX,DATA_SEG

MOVDS,AX

CALLCLEAR_SCREEN

LEADI,CAR

MOVDH,10

MOVDL,10

CALLMOVE_SHAPE

RET

MAINENDP

CLEAR_SCREENPROCNEAR

PUSHAX

PUSHBX

PUSHCX

MOVAH,6

MOVAL,0

MOVCH,0

MOVDH,24

MOVDL,79

MOVBH,7

INT10H

POPDX

POPCX

POPBX

POPAX

RET

CLEAR_SCREENENDP

MOVE_SHAPEPROCNEAR

PUSHAX

PUSHBX

PUSHCX

PUSHDX

PUSHDI

MOVAH,0FH

INT10H

SUBCH,CH

MOVCL,[DI]

INCDI

MOVCHAR_CNT,CX

MOVPOINTER,DI

MOVLINE_ON,DH

MOVCOL_ON,DI

PLOT_NEXT:

ADDAH,[DI+2]

ADDDL,[DI+3]

CMPDI,80

JBMOV_CRSR

CALLERASE

P0PDI

POPDX

POPCX

POPBX

POPAX

RET

MOV_CRSR:

MOVAH,2

INT10H

MOVAL,[DI+1]

PUSHCX

MOVCX,1

MOVAH,09

INT10H

POPCX

ADDDI,4

LOOPPIOT_NEXT

CALLDLY_QRTR

CALLERASE

JMPSHORTPLOT_NEXT

MOVE_SHAPEENDP

ERASEPROC

MOVCX,CHAR_CNT

MOVDI,POINTER

MOVDH,LINE_ON

MOVDL,COL_ON

ERASE_NEXT:

ADDDH,[DI+2]

ADDDL,[DI+3]

MOVAH,2

INT10H

MOVAL,[AI]

MOVBL,0

PUSHCX

MOVCX,1

MOVAH,9

INT10H

POPCX

ADDDI,4

LOOPERASE_NEXT

MOVCX,CHAR_CNT

MOVDI,POINTER

MOVDH,LINE_ON

INCCOL_ON

MOVDL,COL_ON

RET

ERASEENDP

DLY_QRTRPROCNEAR

PUSHCX

PUSHBX

MOVDX,25

D11:

MOVCX,2801

D12:

LOOPD12

DECDX

JNZD11

POPDX

POPCX

RET

DLY_QRTRENDP

CODE_SEGENDS

ENDMAIN

在屏幕中部四处分别显示黑桃、红心、方块和草花

参考程序清单如下：

STACKSEGMENTSTACK’STACK’

DW32DUP（?

）

STACKENDS

DATASEGMENT

CDSHDB5,70H,10,40

DB4,74H,13,37

DB6,70H,13,43

DB3,74H,16,40

DATAENDS

CODESEGMENT

BEGINPROCFAR

ASSUMESS:

STACK,CS:

CODE,DS:

DATA

PUSHDS

SUBAX,AX

PUSHAX

MOVAX,DATA

MOVDS,AX

MOVAH,0

MOVAL,3

INT10H

MOVAH,15

INT10H

MOVSI,OFFSETCDSH

MOVCX,4

AGAIN:

PUSHCX

MOVAH,2

MOVDH,[SI+2]

MOVDL,[SI+3]

INT10H

MOVAH,9

MOVAL,[SI]

MOVBL,[SI+1]

MOVCX,1

INT10H

ADDSI,4

Popcx

LOOPAGAIN

RET

BEGINENDP

CODEENDS

ENDBEGIN

2）在屏幕的左上角显示一排“小人”，白色、红色、绿色、黄色各8个。

小人由3个字符组成

参考程序清单如下：

STACKSEGMENTSTACK’STACK’

DW32DUP（?

）

STACKENDS

DATASEGMENT

DATABDB1,7,0,0,1,4,0,8,1,2,0,16,1,14,0,24

DB4,7,1,0,4,4,1,8,4,2,1,16,4,14,1,24

DB13H,7,2,0,13H,4,2,8,13H,2,2,16,13H,14,2,24

DATAENDS

CODESEGMENT

BEGINPROCFAR

ASSUMESS:

STACK,CS:

CODE,DS:

DATA

PUSHDS

SUBAX,AX

PUSHAX

MOVAX,DATA

MOVDS,AX

MOVAH,0

MOVAL,3

INT10H

MOVAH,15

INT10H

MOVSI,OFFSETDATAB

MOVCX,3

AGAOT:

PUSHCX

MOVCX,4

AGAIN:

PUSHCX

MOVAH,2

MOVDH,[SI+2]

MOVDL,[SI+3]

INT10H

MOVAL,[SI]

MOVAH,9

MOVBL,[SI+1]

MOVCX,8

INT10H

ADDSI,4

POPCX

LOOPAGAIN

POPCX

LOOPAGAOT

RET

BEGINENDP

CODEENDS

ENDBEGIN

编制循环发出乐谱声音的

参考程序如下：

DSEGSEGMENT

DATADW262,294,330,349,392,440,494,524

DSEGENDS

CSEGSEGMENTASSUMECS:

CSEG,DS:

DSEG

START:

MOVAX,DSEG

MOVDS,AX

AGAIN:

MOVSI,OFFSETDATA

MOVCL,8

LOOP1:

CALLSND1

ADDSI,2

DECCL

JNZLOOP1

MOVCL,7

LOOP2:

CALLSND1

SUBSI,2

DECCL

JNZLOOP2

JMPAGAIN

SND1PROCNEAR

MOVDX,[SI]

MOVAX,1000

MOVBL,3

CALLSOUND

MOVAH,01

INT16H

JZSND2

MOVAH,0

INT16H

CMPAL,1BH

JNZSND2

MOVAH,4CH

INT21H

SND2:

RET

SND1ENDP

SOUNDPROCNEAR

PUSHDX

PUSHCX

PUSHBX

PUSHAX

MOVCX,DX

MOVAL,10110110B

OUT43H,AL

MOVDX,0012H

MOVAX,34DCH

DIVCX

OUT42H,AL

MOVAL,AH

OUT42H,AL

INAL,61H

MOVBH,AL

ANDAL,0FCH

ORAL,BL

OUT61H,AL

POPAX

PUSHAX

MOVCX,1000

MULCX

MOVCX,DX

MOVDX,AX

MOVAH,86H

INT15H

MOVAL,BH

OUT61H,AL

POPAX

POPBX

POPCX

POPDX

RET

SOUNDENDP

CSEGENDS

ENDSTART

2）模拟电话铃声

参考程序清单：

CSEGSEGMENTASSUMECS:

CSEG

SOUNDPROC

PUSHCX

PUSHSI

MOVSI,DX

MOVAL,10110110B

OUT43H,AL

MOVDX,0012H

MOVAX,34DCH

DIVSI

OUT42H,AL

MOVAL,AH

OUT42H,AL

INAL,61H

ORAL,03H

OUT61H,AL

POPAX

MOVDX,1000

MULDX

MOVCX,DX

MOVDX,AX

MOVAH,86H

INT15H

POPSI

POPCX

RET

SOUNDENDP

RINGPROCFAR

PUSHDS

XORAX,AX

PUSHAX

MOVBP,8

AGAIN:

MOVCX,30

NE