ORG 0000H AJMP START ORG 0030H START: MOV R4,#7 MOV R3,#7 MOV A,#0FEH MAIN1: MOV P1,A RL A LCALL DELAY DJNZ R4,MAIN1 MAIN2: MOV P1,A RR A LCALL DELAY DJNZ R3,MAIN2 AJMP START DELAY: MOV R7,#100 MOV R6,#50 MOV R5,#2 D1: DJNZ R6,D1 D2: DJNZ R7,D1 DJNZ R5,D1 RET END |