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********************************
*                              *
*  ESSENTIAL DATA DUPLICATOR   *
*  VERSION 4.8 STANDARD/PLUS   *
*  6502 ASSEMBLY SOURCE CODE   *
*     COPYRIGHT (C) 1987       *
*     ALL RIGHTS RESERVED      *
*      UTILICO MICROWARE       *
*    DONALD ANTHONY SCHNAPP    *
*   PRINTED OCTOBER 28, 1987   *
*                              *
********************************

W1L      EQU   $00
W1H      EQU   $01
W2L      EQU   $02
W2H      EQU   $03
W3L      EQU   $04
W3H      EQU   $05
W4L      EQU   $06
W4H      EQU   $07
W5L      EQU   $08
W5H      EQU   $09
SCVP     EQU   $0A
SCHP     EQU   $0B
SAL      EQU   $0C
SAH      EQU   $0D
WZPAGE1  EQU   $0E
WZPAGE2  EQU   $0F
CSLT     EQU   $10        ; slot*16
CDRV     EQU   $11
CTRK     EQU   $12
CWRK     EQU   $13
DCF      EQU   $14
HXF      EQU   $15
HXL      EQU   $16
HXH      EQU   $17
HDCF     EQU   $18
HHXL     EQU   $19
HHXH     EQU   $1A
LDCF     EQU   $1B
LHXL     EQU   $1C
LHXH     EQU   $1D
VMODE    EQU   $20
WNDTOP   EQU   $22        ; window top [0,23]
CH       EQU   $24        ; cursor Horizontal
CV       EQU   $25        ; cursor Vertical
CSWL     EQU   $36        ; low vector for user ouput routine
CSWH     EQU   $37        ; high