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[PIC]16-bit counter

 

at Thursday, March 12, 2009

1 comment:

  1. geHypeMarch 12, 2009 at 1:16 PM

    ;define variable
    var_base 0x20
    counter_addr var_base

    ;define macro
    counter16_init macro __counter_addr
    clrf __counter_addr
    clrf __counter_addr+1
    endm

    counter16_count macro __counter_addr
    __counter_main:
    incf __counter_addr
    btfsc status, z
    __increase_highbyte:
    incf __counter_addr+1
    __increase_lowbyte:

    org 0
    goto main

    org 4
    goto int_srv


    int_srv:
    goto main

    main:
    counter16_init counter_addr
    to_count:
    counter16_count counter_addr
    goto to_count

    ReplyDelete

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