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1、PIC16F877单片机运算子程序 1 PIC16F877g8731g13546g16833g16340g12255g5219g1039g1319g7706g7562 g1209g991g7171g980g1022g1868g3423g11352g12255g5219g13479g7512g726 g727*g12255g5219g16840g7138g2318* LIST p=16f877 g727g6363g4462g5506g6523g2058g3132g3423g2507g2656g7003g1226g17767g1998g7696g5347 INCLUDE p16f877.inc g
2、727g16847g1849MPLABg6564g1391g11352g4462g1053g7003g1226P16F877.INC g727*g10267g1881RAMg5132g11004g17176g9316g451g2476g18339g4462g1053g2656g11468g5224g11352g16840g7138* ACCALO EQU 20 g727g4396g6930g2164g6980g6122g1955g6980g13148g1313 ACCAHI EQU 21 g727g4396g6930g2164g6980g6122g1955g6980g206528g1313 A
3、CCBLO EQU 23 g727g4396g6930g15999g2164g6980g6122g15999g1955g6980g13148g1313 ACCBHI EQU 24 g727g4396g6930g15999g2164g6980g6122g15999g1955g6980g206528g1313 S_W EQU 25 g727g7644g4396Wg4504g4396g3132g1552 S_STATUS EQU 26 g727g7644g4396STATUSg4504g4396g3132g1552 g727*g14467g10267g3809g1313g11702g18339* O
4、RG 0X0000 g727g11013g1122PIC16F877g14467g10267g3809g1313g11702g18339g33240000hg2345 g727g1815g712g6164g1209g5132g33240000hg2345g1815g3800g6930g13634g980g7477g17351g17728 g727g6363g1208g712g1363g2345g10267g7438g3809g1313g2530g14033g17351g17819g1025g7041g11702g18339g712 g727g11464g6521g6203g15904g1039
5、g12255g5219 START GOTO MAIN g727*g1025g7041g11702g18339* ORG 0X0004 g727g11013g1122PIC16F877g11352g1025g7041g11702g18339g10380004hg712g6164g1209 g727g5415g1025g7041g5332g6930g7114, g19668g3324g8504g3800g2164g1849g1025g7041g12255g5219g712 g727g1363g2345g10267g7438g14033g3324g1025g7041g2052g7481g7114g
6、2462g7114g17839g1849g11468g5224g11352 g727g1025g7041g7393g2165g12255g5219g452g1038g1114g2499g19764g17227g16277g712g3926g7536g2345g10267 g727g7438g993g1363g11004g1025g7041g712g2029g5132g5132g3324g16825g1025g7041g11702g18339g3800g6930 g727g13634RETFIEg6363g1208g712g2499g1209g1363g2345g10267g7438g993g1
7、262g3252 g727g5190g6212g1147g10995g16835g1025g7041g13792g4560g14280g12255g5219g17317g20146 CALL PUSH g727g16855g11004g1457g6264g10628g3342g4388g12255g5219 BTFSS PIR1g712ADIF CALL AD g727g14521ADg1025g7041g2052g712g2029g6203g15904g1025g7041g7393g2165g12255g5219 g258g258. g727g8504g3800g2499g6930g3822
8、g1022g1025g7041g4388g12255g5219g712g5194g1209g17731g1226g4445g6502 g727g1025g7041g1260g1820g13435 CALL POP g727g5686g3809g1025g7041g10628g3342 RETFIE g727g1025g7041g17832g3250 g727*g1039g12255g5219g2318* ORG 0X0100 g727g4570g1039g12255g5219g451g4388g12255g5219g2656g1025g7041g7393g2165g12255g5219g125
9、73g4396g6930 g727g33240100hg2345g1815g1055g2530g712g3324g1025g7041g11702g18339g2656g1039g12255g5219 g727g2318g1055g19400g20056g11053g980g1135g4396g1660g2345g1815g712g1209g1427g1901g1849g2040 g727g17351g6363g1208g2656g980g1135g5529g16213g11352g10628g3342g1457g6264g12255g5219g452g8504g3818 g727g11004g
10、6155g1075g2499g1209g7693g6466g4466g19481g19668g16213g712g1363g1039g12255g5219g1186g1866 g727g4439g3332g3348g5332g3999g4396g6930 MAIN BSF STATUSg712RP0 g727g17885g6333g4396g1660g13191 MOVLW 0XFF g727g4462g1053RAg2487g1038g17767g1849g12483g2487 MOVWF TRISA BCF STATUSg712RP0 g727g17885g6333g4396g1660g1
11、3190 MOVLW 0X04 g727g2033g1552g2282ACCALO MOVWF ACCALO CALL DX g727g16855g11004DXg4388g12255g5219 LOOP1 g258g258 g727g1231g21651 g258g258 g727g1231g21652 : : : GOTO LOOP1 g727g2465g3809g6203g15904g1231g2165g980g2656g1231g2165g1120g12573 g727*g4388g12255g5219g2318* DX MOVF ACCALOg7120 g727ACCBg2656AC
12、CAg1314g2334g4395g14422g11468g2164 ADDWF ACCBLO RETURN g727g4388g12255g5219g17832g3250 g727* PUSH MOVWF S_W g727g1457g6264Wg4504g4396g3132 MOVF STATUSg7120 g727g1457g6264STATUSg4504g4396g3132 MOVWF S_STATUS RETURN g727g4388g12255g5219g17832g3250 g727* POP MOVF S_STATUSg7120 g727g5686g3809STATUSg4504
13、g4396g3132 MOVWF STATUS MOVF S_Wg7120 g727g5686g3809Wg4504g4396g3132 RETURN g727g4388g12255g5219g17832g3250 g727*g1025g7041g7393g2165g4388g12255g5219g2318* AD BCF PIR1g712ADIF g727g9177ADg1025g7041g7643g5547 g258g258 g727g1025g7041g7393g2165g1039g1319g12255g5219 RETURN g727g4388g12255g5219g17832g325
14、0 END 2 g3247g2029g17828g12651g4388g12255g5219 2.1 16g10416g1313g4462g9869g6980g2164g451g1955g8873g4388g12255g5219 g1209g991g4388g12255g5219g4466g106282g102216g10416g1313g7389g12538g2507g6980g2164g451g1955g17828g12651g712g1866g2656g6122g5058g11004g980g102216g1313g6980g15932g12046g452g3324g4388g12255g5219g1025g712g1955g8873g7171g17902g17819g4557g1955g6980g8726g15929g2530g1889g994g15999g1955g6980g11468g2164g7481g4466g10628g11352g452g3252g850
