Fast Loop in PICBASIC Pro


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  1. #12
    Join Date
    Sep 2004
    Location
    montreal, canada
    Posts
    6,898


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    MIIP, there's something weird... if i use a 16F877 and this....
    Code:
    DEFINE OSC 20
    DEFINE LOADER_USED 1
    DEFINE HSER_RCSTA 90h ' Enable serial port & continuous receive
    DEFINE HSER_TXSTA 24h ' Enable transmit, BRGH = 1
    DEFINE HSER_SPBRG 129 ' 9600 Baud @ 0.16%
    DEFINE HSER_CLROERR 1 ' Clear overflow automatically
    
    
    pauseus 0
    TRISB.0 = 0
    PORTB = 0
    start:
    asm
        CHK?RP PORTB
        local a=0
        while a<16        
            BSF PORTB,0
            nop
            PAUSEUS?C 12
            BCF PORTB,0
            nop
            PAUSEUS?C 12
    a+=1
        endw
    endasm
    
    pause 100
    goto start
    it compile 207 Word

    if i use...
    Code:
    DEFINE OSC 20
    DEFINE LOADER_USED 1
    DEFINE HSER_RCSTA 90h ' Enable serial port & continuous receive
    DEFINE HSER_TXSTA 24h ' Enable transmit, BRGH = 1
    DEFINE HSER_SPBRG 129 ' 9600 Baud @ 0.16%
    DEFINE HSER_CLROERR 1 ' Clear overflow automatically
    
    
    pauseus 0
    TRISB.0 = 0
    PORTB = 0
    start:
        ' #1
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #2
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #3
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #4
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #5
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #6
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #7
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #8
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #9
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #10
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #11
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #12
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #13
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #14
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #15
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
        ' #16
        PORTB.0 = 1   
        @ nop
        Pauseus 12
        PORTB.0 = 0     
        @ nop
        PAUSEUS 12
    
    pause 100
    goto start
    Still 207 words...

    EDIT: OK DUDE we hit the button at the same time or...so.
    Last edited by mister_e; - 18th December 2006 at 05:19.
    Steve

    It's not a bug, it's a random feature.
    There's no problem, only learning opportunities.

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