【正文】 MOV DX, 208H 。4 MOV AL, 29H OUT DX, AL MOV AL, 14H OUT DX, ALCALL DELAY2 。5 MOV DX, 208H MOV AL, 76H OUT DX, AL MOV AL, 12H OUT DX, ALCALL DELAY2 。5 MOV DX, 208H MOV AL, 76H OUT DX, AL MOV AL, 12H OUT DX, ALCALL DELAY2 LOOP W3 MOV CX,02HW5: MOV DX, 208H 。5 MOV AL, 76H OUT DX, AL MOV AL, 12H OUT DX, ALCALL DELAY MOV DX, 208H 。6 MOV AL, 36H OUT DX, AL MOV AL, 11H OUT DX, ALCALL DELAY 。5 MOV DX, 208H MOV AL, 76H OUT DX, AL MOV AL, 12H OUT DX, ALCALL DELAY MOV DX, 208H 。4 MOV AL, 29H OUT DX, AL MOV AL, 14H OUT DX, ALCALL DELAY MOV DX, 208H 。3 MOV AL, 17H OUT DX, AL MOV AL, 15H OUT DX, ALCALL DELAY2 MOV DX, 208H 。1 MOV AL, 12H OUT DX, AL MOV AL, 18H OUT DX, AL CALL DELAY2 LOOP W5 MOV CX,02HW7: MOV DX, 208H 。2 MOV AL, 04H OUT DX, AL MOV AL, 17H OUT DX, ALCALL DELAY2 MOV DX, 208H 。5 MOV AL, 76H OUT DX, AL MOV AL, 12H OUT DX, ALCALL DELAY2 MOV DX, 208H 。1 MOV AL, 12H OUT DX, AL MOV AL, 18H OUT DX, AL CALL DELAY2LOOP W7 RETGAOYIN ENDP 。。。。。。DIYIN PROC NEAR MOV CX,02HWWW1:MOV DX, 208H 。1 MOV AL, 34H OUT DX, AL MOV AL, 76H OUT DX, AL CALL DELAY2 MOV DX, 208H 。2 MOV AL, 03H OUT DX, AL MOV AL, 68H OUT DX, ALCALL DELAY2 MOV DX, 208H 。3 MOV AL, 60H OUT DX, AL MOV AL, 60H OUT DX, ALCALL DELAY2 。1 MOV DX, 208H MOV AL, 34H OUT DX, AL MOV AL, 76H OUT DX, AL CALL DELAY2 LOOP WWW1 MOV CX,02HWWW3: MOV DX, 208H 。3 MOV AL, 60H OUT DX, AL MOV AL, 60H OUT DX, ALCALL DELAY2 MOV DX, 208H 。4 MOV AL, 14H OUT DX, AL MOV AL, 57H OUT DX, ALCALL DELAY2 。5 MOV DX, 208H MOV AL, 02H OUT DX, AL MOV AL, 51H OUT DX, ALCALL DELAY2 。5 MOV DX, 208H MOV AL, 02H OUT DX, AL MOV AL, 51H OUT DX, ALCALL DELAY2 LOOP WWW3 MOV CX,02HWWW5: MOV DX, 208H 。5 MOV AL, 02H OUT DX, AL MOV AL, 51H OUT DX, ALCALL DELAY MOV DX, 208H 。6 MOV AL, 45H OUT DX, AL MOV AL, 45H OUT DX, ALCALL DELAY 。5 MOV DX, 208H MOV AL, 02H OUT DX, AL MOV AL, 51H OUT DX, ALCALL DELAY MOV DX, 208H 。4 MOV AL, 14H OUT DX, AL MOV AL, 57H OUT DX, ALCALL DELAY MOV DX, 208H 。3 MOV AL, 60H OUT DX, AL MOV AL, 60H OUT DX, ALCALL DELAY2 MOV DX, 208H 。1 MOV AL, 34H OUT DX, AL MOV AL, 76H OUT DX, AL CALL DELAY2 LOOP WWW5 MOV CX,02HWWW7: MOV DX, 208H 。2 MOV AL, 03H OUT DX, AL MOV AL, 68H OUT DX, ALCALL DELAY2 MOV DX, 208H 。5 MOV AL, 02H OUT DX, AL MOV AL, 57H OUT DX, ALCALL DELAY2 MOV DX, 208H 。1 MOV AL, 34H OUT DX, AL MOV AL, 76H OUT DX, AL RETDIYIN ENDPDELAY PROC NEAR MOV DX, 200H MOV AL, 80H OUT DX, AL PUSH CX MOV CX, 60000D LOOP $ MOV DX, 200H MOV AL, 00H OUT DX, AL POP CX RETDELAY ENDP DELAY2 PROC NEAR MOV DX,200H MOV AL,80H OUT DX,AL PUSH CX MOV CX,60000D LOOP $ MOV CX,60000D LOOP $ MOV DX,200H MOV AL,00H OUT DX,AL POP CX RETDELAY2 ENDPDELAY3 PROC NEAR MOV DX, 200H MOV AL, 80H OUT DX, AL PUSH CX MOV CX, 60000D LOOP $ MOV CX, 60000D LOOP $ MOV CX, 60000D LOOP $ MOV DX, 200H MOV AL, 00H OUT DX, AL POP CX RETDELAY3 ENDPDELAY4 PROC NEAR MOV DX, 200H MOV AL, 80H OUT DX, AL PUSH CX MOV CX, 60000D LOOP $ MOV CX, 60000D LOOP $ MOV CX, 60000D LOOP $ MOV CX, 60000D LOOP $ MOV DX, 200H MOV AL, 00H OUT DX, AL POP CX RETDELAY4 ENDPCODE ENDS END START 通過本次實驗基本了解了微機原理與接口實驗箱的的8253,8255,8279器件的功能，鍛煉了自己的編程水平，使自己解決碰到問題解決的能力進一步提高。充分理解了實驗箱的部分器件的功能，為以后用試驗箱打下了基礎，從會用到熟練掌握方向發(fā)展。做實驗就是一個學習的過程，做實驗使自己復習了舊知識和學習到新知識，并且經常遇到需要解決的問題，鍛煉了自己獨立解決問題的能力。通過老師和同學的幫助，經過四周完成了實驗，但發(fā)現(xiàn)自己仍有許多要學的東西，在今后的學習生活中希望老師多多指導。七．參考文獻[1] 周荷琴 吾秀清主編《微機原理與接口技術》 合肥：中國科學技術出版社 2007[2] 李恩林 陳斌生主編《微機接口技術300例》 北京：機械工業(yè)出版社 2003 [3] 賈金鈴主編《微型計算機原理及應用—理論，實驗，課程設計》 重慶：重慶大學出版社 2006[5]《88TC接口實驗指導書》[6]《微機原理與接口技術實驗與實踐教程》湯書森 清華大學出版社[7]《硬件課程設計大綱》馬海波 中國礦業(yè)大學計算機學院[8]《硬件課程指導書》馬海波，劉厚泉 中國礦業(yè)大學計算機學 46