led-1.lst

义隆单片机控制8个LED的渐明渐暗

     1       0005          port5   equ  0x05
     2                     
     3                     
     4                          org  0x00
     5 00000 1410               jmp  main
     6                          org  0x10
     7 00010               main:
     8 00010 1800               mov  a,@0x00
     9 00011 0005               iow  port5
    10 00012 1801               mov  a,@0x01;
    11 00013 0045               mov  port5,a
    12 00014 1018               call delay
    13 00015 04C5               com  port5
    14 00016 1018               call delay
    15 00017 1410               jmp  main
    16 00018               delay:
    17 00018 1805               mov a,@5
    18 00019 0050               mov 0x10,a
    19 0001A               delay1:
    20 0001A 1814               mov a,@20
    21 0001B 0051               mov 0x11,a
    22 0001C               delay2:
    23 0001C 18FA               mov a,@250
    24 0001D 0052               mov 0x12,a
    25 0001E               delay3:
    26 0001E 05D2               djz 0x12
    27 0001F 141E               jmp delay3
    28 00020 05D1               djz 0x11
    29 00021 141C               jmp delay2
    30 00022 05D0               djz 0x10
    31 00023 141A               jmp delay1
    32 00024 0012               ret
    33                          end
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