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北京科技大學(xué)微機(jī)原理實(shí)驗(yàn)報(bào)告(文件)

 

【正文】 JNZ K1 TEST AL,04H JNZ K2 TEST AL,08H JNZ K3 TEST AL,10H JNZ K4 TEST AL,20H JNZ K5 TEST AL,40H JNZ K6 STOP: MOV DX,IO8255C MOV AL,0FFH JMP OUT1 K0: MOV BL,40H SAM: TEST AL,80H JZ ZX0 JMP NX0 K1: MOV BL,50H JMP SAM K2: MOV BL,70H JMP SAM K3: MOV BL,80H JMP SAM K4: MOV BL,0A0H JMP SAM K5: MOV BL,0C0H JMP SAM K6: MOV BL,0FFH JMP SAM ZX0: CALL DELAY MOV AL,BUF ROR AL,1 MOV BUF,AL JMP OUT1 NX0: CALL DELAY MOV AL,BUF ROL AL,1 MOV BUF,AL JMP OUT1 DELAY PROC NEAR DELAY1: MOV CX,0FFFFH DELAY2: LOOP DELAY2 DEC BL JNZ DELAY1 RET DELAY ENDP CODE ENDS END START運(yùn)行結(jié)果:當(dāng)K0~K6中任意一開關(guān)向上撥時(shí)步進(jìn)電機(jī)啟動(dòng),且K1速度最快,K6速度最慢;當(dāng)K7向上撥電機(jī)正轉(zhuǎn),向下?lián)茈姍C(jī)反轉(zhuǎn)。更加深入地了解了微機(jī)原理這門課程。小結(jié)(收獲與體會(huì)):實(shí)驗(yàn)和理論是相互檢驗(yàn),相互補(bǔ)充和相互促進(jìn)的,在實(shí)際動(dòng)手動(dòng)腦運(yùn)用理論知識(shí)的時(shí)候,能更深入地領(lǐng)會(huì)概念,熟練運(yùn)用,在此基礎(chǔ)上方能進(jìn)行創(chuàng)新和自由發(fā)揮。 DATA ENDS CODE SEGMENT ASSUME CS:CODE,DS:DATA START: MOV AX,CS MOV DS,AX MOV AX,DATA MOV DS,AX MOV DX,
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