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CSEG at 0x8000 jmp main sec: inc R7 call anz call delay cjne R7,#0x3C,sec mov R7,#0 call min jmp sec min: inc R6 cjne R6,#0x3C,mback mov R6,#0 call std mback: ret std: inc R5 cjne R5,#0x18,sback mov R5,#0 sback: ret anz: mov P3,R5 xrl P3,#11111111b mov P2,R6 xrl P2,#11111111b mov P1,R7 xrl P1,#11111111b ret delay: mov R3,#10 Marke2: mov R1,#200 Marke: mov R2,#0xFF djnz R2,$ djnz R1, Marke djnz R3, Marke2 ret main: mov a,#0 mov R7,a mov R6,a mov R5,a call sec end |
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