[電子設計類論文精品]8279實現(xiàn)加法計算器 單片機綜合實驗報告

計算機課程設計單片機綜合實驗報告院系數(shù)學與計算機科學學院專業(yè)計算機科學與技術年級2004級_學號_姓名_指導教師_2007年12月25日單片機實驗報告實驗題目A18279實現(xiàn)加法計算器實驗器材A1PC機，MC51實驗機，8279芯片，LED顯示燈。實驗目的A1利用8279芯片實現(xiàn)通過2X8鍵盤輸入加數(shù)和被加數(shù)并計算出結果，同時將加數(shù)、被加數(shù)和結果都在LED燈上顯示出來。實驗內(nèi)容A11、流程圖2、8279PCB板圖3、接線內(nèi)部已經(jīng)連好。4、關鍵程序說明41、按鍵判斷程序如下WAITLCALLGETKEY讀鍵盤CJNEA,0FFH,CONT判斷是否有鍵輸入MOVA,BCJNEA,3CH,KEY_A輸入鍵是C,轉CLEAR_TLCALLCLEAR_TKEY_ACJNEA,3AH,KEY_D輸入鍵是A,轉START_TLCALLSTART_TKEY_DCJNEA,3DH,KEY_B輸入鍵是D,轉SET_TLCALLSET_TKEY_BCJNEA,3BH,WAIT輸入鍵是B,轉DENGYULCALLDENGYUCONTCJNER6,0FFH,WAIT若判斷標志則循環(huán)LCALLDISPLAY顯示MOVR6,0清標志SJMPWAIT循環(huán)相關說明1、進入程序后判斷是否有鍵讀入；2、當有鍵輸入時判斷輸入的是A、B、C、D中的哪個鍵；3、輸入A鍵時進入等待第二個數(shù)字輸入，然后執(zhí)行加法，最后跳回等待B鍵輸入；4、輸入B鍵時執(zhí)行“等于”功能，并將加法結果在LED燈上顯示；5、輸入C鍵時對LED燈的顯示進行清除；6、輸入D鍵時可以開始輸入第一個數(shù)字，然后跳回等待按鍵輸入。42、加法過程程序如下SET_T設置初值子程序MOVR4,7LCALLGETWORDMOVA,BMOVB,10DIVABSWAPAADDA,BMOVR3,A保存第一次輸入的值RETSET_1MOVR4,5LCALLGETWORDMOVA,BMOVB,10DIVABSWAPAADDA,BMOVR2,A保存第二次輸入的值SJMPSTART_2START_T等待第二次值的輸入LCALLGETKEYLCALLSET_1START_2執(zhí)行加法MOVA,R2ADDA,R3DAAMOVR7,ALJMPKEY_B相關說明1、當按下D鍵后，程序跳轉到SET_T，進行讀入第一個值，并在LED燈上顯示，然后跳回等待按鍵輸入；2、當按下A鍵后，程序跳轉到START_T，首先跳轉到SET_1，等待第二個值的輸入，之后跳轉到START_2執(zhí)行加法運算，并將結果存入R7，最后跳轉到KEY_B，等待B鍵的按下。43、顯示結果程序如下DENGYU顯示加法結果MOVA,R7ANLA,0FHADDA,10HMOVR5,AMOVR4,2LCALLDISLED顯示結果的個位MOVA,R7SWAPAANLA,0FHMOVR5,AMOVR4,3LCALLDISLED顯示結果的十位RET相關說明1、當B鍵按下后，程序跳轉到DENGYU然后分別顯示結果的個位和十位；2、顯示后程序跳轉回等待新的按鍵輸入。5、實驗原理圖及PCB板圖略。6、實驗程序G16277G19480G5417。實驗心得在G3835G4410G7411G19400，G1186接G16314G11840G1226的相關G16850程開始，G4613已經(jīng)對G11840G1226G1147G10995G1114G5668G5819。G993G16782是G16850程的G4410G1076，G17836是G5527中的G11487法G708之G2081G5647G16285G5483G11840G1226G8821G2081G17896G709。G11464到G3835G3247G17837G4410G7411開設G1114G2345片機G16850程，對G6117的G1166G10995G16278G1147G10995G1114G5052G3835的G5445G2721。首先是對G11840G1226的G16760G16794G2469G10995G1114G2476G2282。G1186原G7424的G993G4645一G20050，到現(xiàn)在的G15406G5527G2182G2474。G6177G17892G9188G2469現(xiàn)，G11840G1226在IT行G1006中的G18337G16213G5627。有G1114G1864G17271之后，開始G16760G11507的G2560G16850，G16760G11507的G4410G1076G11840G1226G11705G16794。G17246是G9157入的G1114G16311，G17246是G1147G10995G7368G3822的G1864G17271。G10317別是G4439的實用G5627、G3822G2476G5627以及G17271G2631G5627，都是G6117G17885G6333G11840G1226G1038G2469G4649G7053G2533的理G11013。G1306是G6117清G7982的明G11345，G14270G17535的G11840G1226G8712G5191G17836G5468G1314G5468G8985，A2A0A3A4A5A6A7A8A9A10A11A12A14A15A16A13A17A9A18A19A20A21A22A12A2A23A11A15A25A21A24A26A27A28A29A16A30A19A20A31A9A10A32A33A34A15A36A35A9A37A38A39A41A40A42A19A20A43A8A44A45A46A47A48A49A50A51A52A53A54A55A11A56A57A15A58A59A60A3A4A5A61A62A63A64A65A66A67A68A69A70A71A72A73A74A75A76A15A9A77A78A79A68A22A80A81A67A47A62A82A83A84A8A85A86A15A87A88A74A89A67A90A91A92A93A94A95A96A11A97A98A11A99A100A15A101A21A9A102A85A103A102A104A15A105A106A9A107A108A23A109A60A110A111A112A113A91A114A115A116A117A118A119A11A120A121A67A122A76A24A123A74A56A75A15A124A125A126A127A91A107A68A69A11A128A129A130A131A67A132A133A134A135A68A136A137A138A66A139A140A15A141A142A131A143A144A145A146A147A11A148A149A53A150A142A151A152A11A153A154A67A26A155A91A156A76A24A77A78A157A158A141A143A132A133A134A135A159A4A11A160A161A15A88A159A4A162A33A109A163A164A165A154A15A77A78A166A167A11A2A0A67A25A21A128A129A105A168A169A170A171A67A173A172A132A133A134A135A11A174A57A175A31A72A62A176A104A177A15A179A9A177A74A178A180A8A181A182A183A11A72A177A15A109A184A91A107A68A69A24A130A185A29A35A109A11A21A186A9A187A15A91A21A9A102A128A129A189A190A107A15A51A69A5A188A132A133A134A135A192A144A145A146A147A191A193A11A194A195A196A198A168A181A15A199A197A155A200A132A133A134A135A202A201A203A144A145A146A147A11A148A149A91A204A21A9A102A128A129A189A206A76A15A207A205A133A209A132A150A142A11A191A208A192A61A35A210A199A197A68A136A15A91A211A21A91A107A68A69A130A185A29A213A212A11A214A215A128A129A67A28A8A216A16A109A15A84A8A118A16A109A67A178A113A128A129A15A24A217A16A32A218A219A67A28A8A9A220A9A220A11A202A152A136A202A52A96A15A211A221A222A213A212A128A129A67A131A92A188A223A90A109A141A143A199A197A2A0A3A4A5A11A224A225A15A227A178A226A228A42A2A0A3A4A5A9A229A178A29A230A231A232A233A11A234A235A236A237A53A238A64A32A20A15A240A111A182A90A182A2A239A241A196A198A242A181A11A243A244A105A21A9A187A181A11A229A138A67A246A143A215A241A79A68A236A237A8A245A15A248A137A188A111A112A11A245A203A15A24A77A78A247A158A9A156A239A241A196A198A216A181A11A8A141A68A69A64A249A15A251A250A252A253A254A255A1A0A222A2A3A26A4A152A5A6A7A8A9A67A10A143A15A131“A132A11A12A13A68A14A16A17A66A18A19A20”A5A21A22A253A15A23A109A24A26A25A27A28A5A6A7A67A47A29A30A31A68A69A32A26A25A33A5A68A69A34A35A131A36A31A37A38A39A40A41A155A42A43A44A45A46A67A109A30A48A15A128A49A50A51A52A53A170A54A24A15A190A68A55A56A15A47A29A57A58A59A60A61A62A63A64A5A65A70A84A58A68A14A67A131A71A157A24A25A58A8A9A60A72A56A23A55A109A128A49A25A131A67A73A44A74A84A128A49A15A44A74A45A46A19A20A203A84A128A49A15A137A75A68A14A203A84A128A49A15A61A62A63A64A50A51A203A84A128A49A67A109A30A36A76A15A26A77A78A79A80A81A82A83A85A24A67A56A170A15A86A131A26A87A88A59A60A61A62A63A64A65A70A89A90A91A8A9A92A243A93A94A95A96A97A98A18A15A115A253A99A100A36A101A41A61A62A59A10A63A64A5A102A75A103A14A24A67A165A94A132A11A12A13A159A104A253A45A46A144A105A106A147A5A61A62A107A45A46A108A110A58A111A15A170A45A46A108A110A205A112A107A113A114A116A117A117A37A111A5A67A131A118A119A120A30A36A121A60A26A122A123A124A125A126A207A59A60A5A61A62A63A64A194A127A15A63A64A10A143A131A144A105A106A147A191A61A62A103A94A24A67A155A42A30A129A68A69A15A26A130A29A133A134A5A55A135A135A112A136A138A15A139A140A28A5A112A54A141A128A49A18A142A145A55A146A5A148A149A15A242A55A150A151A153A154A15A156A58A151A158A160A67A131A161A136A5A235A162A191A26A163A55A20A164A166A87A88A15A55A20A87A167A168A169A67A156A58A52A171A170A191A15A87A20A172A255A173A174A5A64A68A175附錄實驗程序Z8279EQU0FF82H8279G10378G5589/G2641G1208G2487G3332G3348D8279EQU0FF80H8279數(shù)G6466G2487G3332G3348LEDMODEQU00HG5050G17805輸入G1855位字G12538顯示G3818部G16805G11733鍵G6207G6563G7053G5347,G2464鍵G1126G19157LEDFEQEQU2FHG6207G6563G17907G10587LEDCLSEQU0C1H清除顯示RAMLEDWR0EQU80H設G4462的將G16213G1901入的顯示RAMG3332G3348READKBEQU40H讀FIFORAMG3332G33480的G2641G1208字ORG0000HAJMPSTARTORG0040HSTARTMOVSP,60HLCALLINIT8279初始G22828279MOVR3,0H第一次輸入的值MOVR2,0H第二次輸入的值MOVR7,0H結果MOVR6,0FFH標志LCALLDIS_MSG16855用顯示LED燈最后G1016位WAITLCALLGETKEY讀鍵盤CJNEA,0FFH,CONT判斷是否有鍵輸入MOVA,BCJNEA,3CH,KEY_A輸入鍵是C,轉CLEAR_TLCALLCLEAR_TKEY_ACJNEA,3AH,KEY_D輸入鍵是A,轉START_TLCALLSTART_TKEY_DCJNEA,3DH,KEY_B輸入鍵是D,轉SET_TLCALLSET_TKEY_BCJNEA,3BH,WAIT輸入鍵是B,轉DENGYULCALLDENGYUCONTCJNER6,0FFH,WAIT若判斷標志則循環(huán)LCALLDISPLAYMOVR6,0清標志SJMPWAIT循環(huán)CLEAR_T顯示清G19658子程序MOVR3,0H第一次輸入的值清G19658MOVR2,0H第二次輸入的值清G19658MOVR6,0FFH置判斷標志RETDENGYU顯示加法結果MOVA,R7ANLA,0FHADDA,10HMOVR5,AMOVR4,2LCALLDISLEDMOVA,R7SWAPAANLA,0FHMOVR5,AMOVR4,3LCALLDISLEDRETSET_T設置初值子程序MOVR4,7LCALLGETWORDMOVA,BMOVB,10DIVABSWAPAADDA,BMOVR3,A保存輸入的值RETSET_1MOVR4,5LCALLGETWORDMOVA,BMOVB,10DIVABSWAPAADDA,BMOVR2,A保存輸入的值SJMPSTART_2START_T等待第二次的值輸入LCALLGETKEYLCALLSET_1START_2執(zhí)行加法運算MOVA,R2ADDA,R3DAAMOVR7,ALJMPKEY_BSET_TOKLCALLDIS_MSLCALLDISPLAYRETGETWORD讀數(shù)子程序WKEY1LCALLGETKEY讀鍵盤CJNEA,0FFH,WKEY1G7092鍵輸入,則G1889讀MOVA,BADDA,0C6HJCERROR1判斷輸入是否G3835于9MOVA,BSUBBA,30HMOVR5,ALCALLDISLED顯示輸入的字G12538MOVB,10MULABPUSHACC保存輸入的值WKEY2LCALLGETKEY讀鍵盤CJNEA,0FFH,WKEY2G7092鍵輸入則G1889讀MOVA,BADDA,0C6HJCERROR2判斷輸入是否G3835于9MOVA,BSUBBA,30HDECR4MOVR5,ALCALLDISLED顯示輸入的字G12538MOVB,APOPACCADDA,BMOVB,AG6238G5483到的值存在BMOVA,0FFH置G2524法輸入標志AJMPKEYOKERROR2POPACCERROR1MOVA,0置G19762法輸入標志KEYOKRETINIT82798279初始G2282子程序PUSHDPH保存現(xiàn)G3342PUSHDPLPUSHACCLCALLDELAYG5322時MOVDPTR,Z8279MOVA,LEDMOD置8279G5049G1328G7053G5347MOVXDPTR,AMOVA,LEDFEQ置鍵盤G6207G6563G17907G10587MOVXDPTR,AMOVA,LEDCLS清除LED顯示MOVXDPTR,APOPACC恢復現(xiàn)G3342POPDPLPOPDPHRET讀G2474鍵盤子程序GETKEYPUSHDPH保存現(xiàn)G3342PUSHDPLPUSHPSWMOVDPTR,Z8279MOVXA,DPTR讀8279G10378G5589ANLA,07H屏蔽D7D3JNZGETVAL判斷是否有鍵輸入MOVA,0H置標志G7092鍵輸入SJMPNKBHITGETVALMOVA,READKB讀FIFORAMG2641G1208MOVXDPTR,AMOVDPTR,D8279MOVXA,DPTR讀鍵ANLA,3FH屏蔽SHIFT和CTRL鍵MOVDPTR,KEYCODE鍵G11733表起始G3332G3348MOVCA,ADPTR查表MOVB,A置返回鍵值MOVA,0FFH置標志有鍵輸入NKBHITPOPPSW恢復現(xiàn)G3342POPDPLPOPDPHRET顯示字G12538子程序DISLEDPUSHDPH保存現(xiàn)G3342PUSHDPLPUSHACCMOVA,LEDWR0置顯示起始G3332G3348ADDA,R4加位置偏移量MOVDPTR,Z8279MOVXDPTR,A設G4462顯示位置MOVDPTR,LEDSEG置顯示常數(shù)表起始位置MOVA,R5MOVCA,ADPTR查表MOVDPTR,D8279MOVXDPTR,A顯示數(shù)G6466POPACC恢復現(xiàn)G33