Problem with DT_INTS-14.bas and PIC16F628A


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  1. #1
    Join Date
    Aug 2010
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    Default Problem with DT_INTS-14.bas and PIC16F628A

    Hello!
    I'm new here, and I was testing the Instant Interrupts, first of all, I've tried to compile the 'Hello World' code on a PIC16F628A, but I get this error message:

    ERROR: Variable wsave3 position request 416 beyond RAM_END 335.

    Is it a limitation for the Instant Interrupts? or please tell me where I'm wrong... Yes, I'm using MPASM.

    Compiling this code for a PIC16F877A gives no problem...



    Thanks!


    Code:
    LED1   VAR  PORTB.1
    
    INCLUDE "DT_INTS-14.bas"     ' Base Interrupt System
    INCLUDE "ReEnterPBP.bas"     ' Include if using PBP interrupts
    
    ASM
    INT_LIST  macro    ; IntSource,        Label,  Type, ResetFlag?
            INT_Handler   TMR1_INT,  _ToggleLED1,   PBP,  yes
        endm
        INT_CREATE               ; Creates the interrupt processor
    ENDASM
    
    T1CON = $31                ; Prescaler = 8, TMR1ON
    @ INT_ENABLE  TMR1_INT     ; enable Timer 1 interrupts
    
    Main:
      PAUSE 1
    GOTO Main
    
    '---[TMR1 - interrupt handler]--------------------------------------------------
    ToggleLED1:
         TOGGLE LED1
    @ INT_RETURN

  2. #2
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    Open The Dt ints and comment out the offending code, some chips do not have those places in memory, follow Darrel's instructions in the code.
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  3. #3
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    Thanks for helping me!

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