单片机设计有急救车通过的交通灯

1、CSEG AT 0000HLJMP STARTCSEG AT 0003HLJMP CHECSEG AT 000BHLJMP DET0CSEG AT 001BHLJMP DET1CSEG AT 4100HSTART:MOV SP,#60HSETB IT0SETB PX0SETB EASETB EX0SETB ET0SETB ET1MOV DPTR,#0CFA3HMOV A,#80HMOVX DPTR,AMOV TMOD,#52H MOV TH0,#06HMOV TL0,#06HMOV TH1,#0FFHMOV TL1,#0FFHMOV R2,#06HMOV DPTR,#0CFA0HMOV A,#

2、03HMOVX DPTR,AMOV R7,ASETB TR0 SETB TR1 HERE:AJMP HERECHE:PUSH PSW PUSH ACCPUSH DPHPUSH DPLPUSH 07HPUSH TH0 PUSH TL0 PUSH TH1PUSH TL1CLR TR0CLR TR1MOV A,#03H MOV DPTR,#0CFA0HMOVX DPTR,ALCALL DELAY10SPOP TL1POP TH1POP TL0POP TH0POP 07HMOV A,R7 MOVX DPTR,APOP DPLPOP DPHPOP ACCSETB TR0SETB TR1POP PSWRE

3、TIDET0:PUSH PSW PUSH ACCPUSH 02HCPL P1.1POP 02HPOP ACCPOP PSWRETIDET1:PUSH PSW PUSH ACCPUSH DPHPUSH DPLMOV A,R2RL A MOV DPTR,#ZHUANJMP A+DPTRZHUAN:AJMP S1 AJMP S2AJMP S3AJMP S4 AJMP S5AJMP S6AJMP S7S1:INC R2MOV DPTR,#0CFA0HMOV A,#12H MOVX DPTR,AMOV R7,AMOV TL1,#0C0HMOV TH1,#63HLJMP OUTS2:INC R2MOV R

4、6,#05H SHAN0:MOV A,#06HMOV DPTR,#0CFA0HMOVX DPTR ,AMOV R7,ALCALL DELAY1SMOV A,#02HMOVX DPTR,AMOV R7,ALCALL DELAY1SDJNZ R6,SHAN0MOV TH1,#0FFHMOV TL1,#0FFHLJMP OUTS3:INC R2MOV A,#03HMOV DPTR,#0CFA0HMOVX DPTR,AMOV R7,ALCALL DELAY1SMOV TH1,#0FFH MOV TL1,#0FFHLJMP OUTS4: INC R2MOV A,#21HMOV DPTR,#0CFA0HM

5、OVX DPTR,AMOV R7,AMOV TL1,#0C0HMOV TH1,#63HLJMP OUTS5:INC R2MOV R6,#05HSHAN1:MOV A,#09HMOV DPTR,#0CFA0HMOVX DPTR,AMOV R7,ALCALL DELAY1SMOV A,#01HMOVX DPTR,AMOV R7,ALCALL DELAY1SDJNZ R6,SHAN1MOV TH1,#0FFH MOV TL1,#0FFHLJMP OUTS6:MOV R2,#00HMOV DPTR,#0CFA0HMOV A,#03HMOVX DPTR,AMOV R7,ALCALL DELAY1SMOV TH1,#0FFH MOV TL1,#0FFHLJMP OUTS7:MOV R2,#00HMOV DPTR,#0CFA0HMOV A,#03HMOVX DPTR,AMOV R7,AMOV TL1,#0F0HMOV TH1,#0D8HOUT:POP DPLPOP DPHPOP ACCPOP PSWRETIDELAY10S:MOV R5,#100 AJMP L2 DELAY1S: MOV R5,