Memory Restricted In Watch Window

;=============================================================================
;    Bin4B.asm                    3-4-18
;=============================================================================
;    Slow output binary count is stopped, started
;    and reset with push buttons. This version uses a
;    subroutine for the delay...
;    Processor:    PIC 16F628A
;    Hardware:    BIN Demo System
;    Clock:      
;    Inputs:        Push Buttons RA0, RA1 (active low)
;    Outputs:    RB0 - RB7 LEDs (active high)
;
;    WDTimer:    Disabled
;    PUTimer:    Enabled
;    Interrupts:    Disabled
;    Code Protect:    Disabled      
;=============================================================================
;              16F628A
;         ____ ____
;    RA2-| 1 U 18 |-RA1
;    RA3-| 2   17 |-RA0
;    RA4-| 3   16 |-OSC1/RA7
;    MCLR-| 4   15 |-OSC2/RA6
;    VSS-| 5   14 |-VDD
;    RB0-| 6   13 |-RB7
;    RB1-| 7   12 |-RB6
;    RB2-| 8   11 |-RB5
;    RB3-| 9   10 |-RB4
;         ----------
;  
    list    p=16f628a
    include    <p16f628A.inc>
    radix    hex
    __CONFIG   _CP_OFF & _WDT_ON & _PWRTE_ON & _XT_OSC
;
;...... Register Label Equates ...............................................
;
porta    EQU    05        ; Port A Data Register
portb    EQU    06        ; Port B Data Register
timer    EQU    0C        ; Spare register for delay
; Input Bit Label Equates ....................................................
;inres    EQU    0        ; 'Reset' input button = RA0
;inrun    Equ    1        ; 'Run' input button = RA1
;
    cblock    0x20      
    inres            ; 'Reset' input button = RA0
    inrun            ; 'Run' input button = RA1
    endc
    movlw    .0
    movwf    inres
    movlw    .1
    movwf    inrun
;
;*****************************************************************************
; Initialise Port B (Port A defaults to inputs) ..............................
;
    MOVLW    b'00000000'    ; Port B Data Direction Code
    TRIS    portb        ; Load the DDR code into F86
    GOTO    reset
;
; 'delay' subroutine .........................................................
;
delay    MOVWF    timer        ; Copy W to timer register
down    DECFSZ    timer        ; Decrement timer register
    GOTO    down        ; and repeat until zero
    RETURN            ; Jump back to main program
;
; Start main loop ............................................................
;
reset    CLRF    portb        ; Clear Port B Data
;
start    BTFSS    porta,inres    ; Test RA0 input button
    GOTO    reset        ; and reset Port B if pressed
    BTFSC    porta,inrun    ; Test RA1 input button
    GOTO    start        ; and run count if pressed
;
    INCF    portb        ; Increment count at Port B
    MOVLW    0FF        ; Delay count literal
    CALL    delay        ; Jump to subroutine 'delay'
;
    GOTO    start        ; Repeat main loop always
    END            ; Terminate source code

org    0x0000            ;org sets the origin, 0x0000 for the 16F628,
                   ;this is where the program starts running   
   movlw    0x07
   movwf    CMCON            ;turn comparators off (make it like a 16F84)