单片机课程设计（汇编）

ORG 0000H AJMP START ORG 0003H //外部中断0入口 AJMP INT0_SRV ORG 00BH AJMP T0_SRV ORG 0013H AJMP INT1_SRV //外部中断1入口 //----------------------------------------------- ORG 0040H START: MOV SP,#07H //INTC,初始化 MOV DPTR,#TAB MOV A,#0AAH //初始化方案，就隔着亮 MOV B,#08H MOV R7,#100 MOV R6,#00H MOV R5,#00H MOV R4,#00H MOV R3,#00H //---------------------------------开中断 ON_T0: MOV TMOD,#01H MOV TH0,#0D8H MOV TL0,#0F0H SETB ET0 SETB EA ON_INT0: CLR IT0 //电平触发 SETB EX0 //INT0中断 ON_INT1: CLR IT1 SETB EX1 //INT1中断 //--------------------------------MAIN，主函数 MAIN: MOV P2,A SJMP MAIN //--------------------------------T0中断服务程序， ORG 0400H T0_SRV: MOV TH0,#0D8H MOV TL0,#0F0H DJNZ R7,D2 MOV R7,#100 INC R6 //改变循环次数 MOV A,R6 CJNE A,B,D2 MOV R6,#00H D2: MOV A,R6 ADD A,R5 //改变R5（方案） MOVC A,@A+DPTR RETI //--------------------------------DELAY，延迟6ms函数，削抖 DELAY: MOV R1,#100 L1: MOV R0,#60 DJNZ R0,$ DJNZ R1,L1 RET //--------------------------------INT0中断服务程序 ORG 0100H INT0_SRV:CALL DELAY JB IE0,$ CALL DELAY MOV R3,#00H CHANG_M: INC R4 //改变动态数据 CJNE R4,#01H,NEXT1 SETB TR0 MOV R5,#00H //第1个方案 MOV B,#08H SJMP TRAN_RET NEXT1: CJNE R4,#02H,NEXT2 MOV R5,#08H //第2个方案 MOV B,#08H SJMP TRAN_RET NEXT2: CJNE R4,#03H,NEXT3 MOV R5,#10H //第3个方案 MOV B,#08H SJMP TRAN_RET NEXT3: CJNE R4,#04H,NEXT4 MOV R5,#18H //第4个方案 MOV B,#0EH SJMP TRAN_RET NEXT4: CJNE R4,#05H,NEXT5 MOV R5,#26H //第5个方案 MOV B,#06H SJMP TRAN_RET NEXT5: CJNE R4,#06H,NEXT6 MOV R5,#2CH //第6个方案 MOV B,#08H SJMP TRAN_RET NEXT6: CJNE R4,#07H,NEXT7 MOV R5,#34H //第7个方案 MOV B,#10H SJMP TRAN_RET NEXT7: CLR TR0 //返回初始化方案 CLR TF0 MOV A,#0AAH MOV R4,#00H MOV R5,#00H MOV B,#08H TRAN_RET:MOV R6,#00H RETI //--------------------------------INT1中断服务程序 ORG 0300H INT1_SRV:CALL DELAY JB IE1,$ CALL DELAY CLR TR0 CLR TF0 MOV R6,#00H MOV R5,#00H MOV R4,#00H CHANG_S: INC R3 // 改变静态数据 CJNE R3,#01H,NE1 MOV A,#3CH SJMP CHAN_END NE1: CJNE R3,#02H,NE2 MOV A,#0DBH SJMP CHAN_END NE2: CJNE R3,#03H,NE3 MOV A,#0CCH SJMP CHAN_END NE3: MOV A,#0AAH MOV R3,#00H CHAN_END:RETI //------------------------------------数据列表 TAB: DB 0xfe,0xff,0xfe,0xff,0xfe,0xff,0xfe,0xff DB 0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55 DB 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f DB 0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe DB 0xfd,0xfb,0xf7,0xef,0xdf,0xbf DB 0x7e,0xbd,0xdb,0xe7,0xdb,0xbd DB 0x7e,0x3c,0x18,0x00,0x81,0xc3,0xe7,0xff DB 0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00 DB 0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff END //-----------------------------------------------------------