微机总原理图.docx

微机总原理图.docx

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微机总原理图

;8253端口地址

IOCON8253EQU0136H

IO08253EQU0130H

IO28253EQU0132H

;8255端口地址

IOCON8255EQU013EH

IOA8255EQU0138H

IOB8255EQU013AH

IOC8255EQU013CH

DATASEGMENT

ORG1000H

FLAGLDB?

FLAGTDB?

FLAGDDB?

LEIXINGDB0

DATAENDS

CODESEGMENT

ASSUMECS:

CODE,DS:

DATA

START:

MOVAX,DATA

MOVDS,AX

MOVSI,OFFSETFLAGL

MOVBL,0

MOV[SI],BL

MOVDI,OFFSETFLAGT

MOVBL,0

MOV[DI],BL

MOVFLAGD,BL

;8255初始化

MOVDX,IOCON8255

MOVAL,91H

OUTDX,AL

;8253通道0初始化

LING8253:

MOVAL,00110111B

MOVDX,IOCON8253

OUTDX,AL

MOVAL,00H

MOVDX,IO08253

OUTDX,AL

MOVAL,04H

OUTDX,AL

;判断是否是风速按键按下

QD:

MOVDX,IOC8255

INAL,DX

ANDAL,0FH

CMPAL,1

JECHECK_R

JMPQD

CHECK_R:

CALLCHECK

JMPQD

MAINENDP

CHECKPROCNEAR

MOVDX,IOC8255

INAL,DX

ANDAL,0FH

CMPAL,1

JESPEED_R

JMPCHECK

RET

ENDP

SPEED_R:

CALLSPEED

JMPCHECK_R

STYPE_R:

CALLSTYPE

JMPCHECK_R

;风速控制子程序

SPEEDPROCNEAR

PUSHAX

COM:

CMPBYTEPTR[SI],0

JEL0

CMPBYTEPTR[SI],1

JEL1

CMPBYTEPTR[SI],2

JEL2

L0:

MOVDX,IOB8255

MOVAL,01H

OUTDX,AL

;L0亮

LL0:

LOOPL0

MOVBX,[SI]

ADDBX,1

MOV[SI],BX

RUN_1:

MOV[DI],0FFFFH

CALLRUN;电机弱转

CHECK_0:

MOVDX,IOC8255

INAL,DX

ANDAL,0FH

CMPAL,1

JECOM

CMPAL,2

JESTYPE_R

CMPAL,4

JEZT

JMPRUN_1

ZT:

JMPTING

L1:

MOVDX,IOB8255

MOVAL,02H;L1亮

OUTDX,AL

LL1:

LOOPL1

MOVBX,[SI]

ADDBX,1

MOV[SI],BX

RUN_2:

MOV[DI],0AFFFH

CALLRUN;电机中转

CHECK_1:

MOVDX,IOC8255

INAL,DX

ANDAL,0FH

CMPAL,1

JECOM

CMPAL,2

JESTYPE_R

CMPAL,4

JEZT

JMPRUN_2

L2:

MOVDX,IOB8255

MOVAL,04H

;L2亮

OUTDX,AL

LL2:

LOOPLL2

MOVBL,0

MOV[DI],BL

RUN_3:

MOV[DI],05FFFH

CALLRUN;电机强转

CHECK_2:

MOVDX,IOC8255

INAL,DX

ANDAL,0FH

CMPAL,1

JEZC

CMPAL,2

JEZS

CMPAL,4

JEZT

JMPRUN_3

ZC:

JMPCOM

ZS:

JMPSTYPE_R

POPAX

RET

SPEEDENDP

STYPEPROCNEAR

;类型控制子程序

PUSHAX

PAR:

CMPFLAGD,0

JEL3

CMPFLAGD,1

JEL4

CMPFLAGD,2

JEZF

ZF:

JMPL5

L3:

MOVLEIXING,0

MOVDX,IOB8255

MOVAL,08H

OUTDX,AL;L3亮

LL3:

LOOPL3

MOVAL,FLAGD

ADDAL,1

MOVFLAGD,AL

RUN_Z:

CMPBYTEPTR[SI],0

JEYRZ;正常风

YRZ:

MOV[DI],0FFFFH

CMPBYTEPTR[SI],1

JEYZZ

YZZ:

MOV[DI],0AFFFH

CMPBYTEPTR[SI],2

JEYQZ

YQZ:

MOV[DI],05FFFH

CALLRUN

CHECK_3:

MOVDX,IOC8255

INAL,DX

ANDAL,0FH

CMPAL,2

JEL4

CMPAL,1

JEZ1

CMPAL,4

JEZB

JMPRUN_Z

Z1:

JMPSPEED_R

ZB:

JMPZT

L4:

MOVDX,IOB8255

MOVAL,10H

;L4亮

OUTDX,AL

LL4:

LOOPLL4

MOVAL,FLAGD

ADDAL,1

MOVFLAGD,AL

MOVAL,10110111B

;睡眠通道2初始化

MOVDX,IOCON8253

OUTDX,AL

MOVAL,04H

MOVDX,IO28253

OUTDX,AL

MOVAL,00H

OUTDX,AL

RUN_S:

MOVDX,IOA8255

INAL,DX

ANDAL,1

CMPAL,1

JERUN_R

JMPCHECK_N

UN_R:

MOV[DI],0AFFFH

CALLRUN

MOVDX,IOA8255

INAL,DX

CMPAL,1

JERUN_R

JMPCHECK_N

CHECK_N:

MOVDX,IOC8255

;检查有无新键

INAL,DX

ANDAL,0FH

CMPAL,2

JEL5

CMPAL,1

JEZ4

CMPAL,4

JEZU

JMPRUN_S

ZU:

JMPZT

Z4:

JMPSPEED_R

L5:

MOVDX,IOB8255

;自然风

MOVAL,20H

;L5亮

OUTDX,AL

LL5:

LOOPLL5

MOVAL,FLAGD

MOVAL,0

MOVFLAGD,AL

MOVAL,10110101B

;自然通道2初始化

MOVDX,IOCON8253

OUTDX,AL

MOVAL,03H

MOVDX,IO28253

OUTDX,AL

MOVAL,00H

OUTDX,AL

RUN_I:

MOVDX,IOA8255

INAL,DX

ANDAL,1

CMPAL,1

JERUN_R2

JMPCHECK_N2

RUN_R2:

MOV[DI],0AFFFH

CALLRUN

MOVDX,IOA8255

INAL,DX

CMPAL,1

JERUN_R2

JMPCHECK_N2

CHECK_N2:

MOVDX,IOC8255

;检查有无新键

INAL,DX

ANDAL,0FH

CMPAL,2

JEZ3

CMPAL,1

JEZ4

CMPAL,4

JEZD

JMPRUN_I

Z3:

JMPL3

ZD:

JMPZS

POPAX

RET

STYPEENDP

;电机转动程序

RUNPROCNEAR

PUSHCX

MOVDX,IOC8255

MOVAL,30H

OUTDX,AL

CALLDELAY

MOVAL,60H

OUTDX,AL

CALLDELAY

MOVAL,0C0H

OUTDX,AL

CALLDELAY

MOVAL,90H

OUTDX,AL

CALLDELAY

JMPLL

DELAY:

MOVCX,[DI]

DALA:

LOOPDALA

RET

LL:

POPCX

RET

RUNENDP

;判断停止键是否按下

PCHECK:

MOVDX,IOC8255

INAL,DX

ANDAL,0FH

CMPAL,4

JETING

TING:

MOVDX,IOB8255

MOVAX,0

OUTDX,AX

CALLRUNT

JMPSTART

RUNTPROCNEAR

;电机停止子程序

PUSHCX

PUSHDI

MOVDX,IOC8255

MOVAL,00H

OUTDX,AL

CALLDELAY

MOVAL,0H

OUTDX,AL

CALLDELAY

MOVAL,00H

OUTDX,AL

CALLDELAY

MOVAL,0H

OUTDX,AL

CALLDELAY

JMPLLP

DELAYP:

MOVCX,[DI]

DALAP:

LOOPDALAP

RET

LLP:

POPDI

POPCX

RET

RUNTENDP

CODESENDS

ENDSTART