微型計(jì)算機(jī)控制技術(shù)課程設(shè)計(jì)---步進(jìn)電機(jī)角度控制-文庫吧在線文庫
【正文】 MOV DX,0604H MOV AL,11111101B OUT DX,AL MOV DX,0602H MOV AL,[SI+3] OUT DX,AL DEC SI CALL TIME MOV DX,0604H MOV AL,11111011B OUT DX,AL MOV DX,0602H MOV AL,[SI+3] OUT DX,AL DEC SI CALL TIME MOV DX,0604H MOV AL,11110111B OUT DX,AL MOV DX,0602H MOV AL,[SI+3] OUT DX,AL DEC SI CALL TIME POP AX POP DX RET 。否則 是按鍵 5 JMP STTK KEY_CLR: TEST AL,40H 。...............……… ........................ KEY0:CALL LP1 MOV AL,00H MOV [DI],AL MOV AL,0FCH MOV [SI],AL CALL DISP RET KEY3: CALL LP1 MOV AL,03H MOV [DI],AL MOV AL,0F2H MOV [SI],AL CALL DISP RET 8 KEY4: CALL LP1 MOV AL,04H MOV [DI],AL MOV AL,66H MOV [SI],AL CALL DISP RET KEY5: CALL LP1 MOV AL,05H MOV [DI],AL MOV AL,0B6H MOV [SI],AL CALL DISP RET KEY6: CALL LP1 MOV AL,06H MOV [DI],AL MOV AL,0BEH MOV [SI],AL CALL DISP RET ?！? TIME: PUSH AX PUSH CX MOV CX,0010H TIME1:MOV AX,00300H TIME2:DEC AX JNZ TIME2 LOOP TIME1 POP CX POP AX RET DALLY:PUSH CX PUSH AX MOV CX,1000H A6: MOV AX,0010H A7: DEC AX JNZ A7 LOOP A6 POP AX POP CX RET DALLY1:PUSH CX PUSH AX MOV CX,0010H AA6: MOV AX,0500H AA7: DEC AX JNZ AA7 LOOP AA6 POP AX POP CX RET ?！?………………………….. DISP1: PUSH AX PUSH BX PUSH CX PUSH DX PUSH SI PUSH DI MOV D_TIMES,BL MOV AL,D_COUNT CBW MOV BX,OFFSET TABL MOV SI,OFFSET VAR1 MOV DI,OFFSET VAR3 ADD DI,AX ADD DI,AX ADD DI,AX ADD DI,AX MOV AL,[SI] MOV DX,0604H OUT DX,AL MOV AL,D_TIMES XLAT MOV DX,0602H OUT DX,AL CALL TIME INC SI INC DI MOV CX,0003H DIR1: MOV AL,[SI] MOV DX,0604H OUT DX,AL MOV AL,[DI] MOV DX,0602H OUT DX,AL CALL TIME INC SI INC DI LOOP DIR1 POP DI POP SI POP DX POP CX POP BX POP AX RET 。檢測 PC5 JNZ KEY_4 CALL KEY3 JMP STTK KEY_4:TEST AL,40H 。.............鍵盤掃描 ................................................. KEYABC:PUSH DX CALL TIME MOV DX,0604H IN AL,DX AND AL,60H CMP AL,60H 。檢測 PC6口 JNZ KEY_3 CALL KEY7 JMP STTK KEY_3:MOV AL,0F7H PC3=0 MOV DX,0604H OUT DX,AL MOV D
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鄂ICP備17016276號(hào)-1