; UNERASCF.Z80
;
; ZCNFG configuration module for UNERASE.COM.  The assembled version of
; this file must be named UNERASxx.CFG, where xx is the version number
; of UNERASE, to be automatically recognized by ZCNFG.
;
; Version 1.0 -- March 23, 1991 -- Gene Pizzetta
;	For UNERASE 1.3.
;
; Patch locations . . .
;
wildfl	equ	015h		; wildcard sets list option
pagefl	equ	016h		; screen paging
pausfl	equ	017h		; pause for disk change
;
; ZCNFG function definitions . . .
;
Switch	equ	0		; toggle bit n in a byte (n is specified)
Text	equ	1		; edit text with UC conversion
DUSpec	equ	2		; replace a ZCPR style DU spec (NOT DIR:!)
HexRad	equ	3		; edit byte/word using HEX radix
DecRad	equ	4		; edit byte/word using DECIMAL radix
TextLC	equ	5		; edit text, both UC and LC
FileSp	equ	6		; edit a Z3 filespec or filespec fragment
Togl3	equ	7		; toggle one of three options: 001B, 010B, 100B
ToglTF	equ	8		; toggle a byte between 0ffh and 0
;
; ASCII characters . . .
;
HON	equ	1		; highlight on
HOF	equ	2		; highlight off
TAB	equ	9		; tab
LF	equ	10		; linefeed
CR	equ	13		; carriage return
;
; Macro definitions
;	C	= character to identify menu item
;	OFFSET	= offset in program's configuration block
;	FUNC	= ZCNFG function
;	SCRN	= screen location for data
;	DATA	= function data address (if required)
;
CASE	macro	c,func,offset,bytes,scrn,data
	db	'&C'
	dw	func, offset
	db	bytes
	dw	scrn, data
	endm
;
; Code . . .
;
	rst	0		; for safety, so .CFG file won't execute
;
	dw	MenuA		; for relocation of addresses, this
				; ..points to the NEXT location.
;
; Menu list section . . .
;
MenuA:	dw	MenuA, MenuA, ScrnA, CaseA, HelpA	; single menu
;
; Case table section . . .
;
CaseA:	db	(CaseAX-CaseA1)/(CaseA2-CaseA1)	; number of cases
	db	CaseA2-CaseA1	; length of each record
;
;	Macro name
;	|	Single char menu selector
;	|	|	Function (see above)
;	|	|	|	Offset in config block
;	|	|	|	|	Number of bytes
;	|	|	|	|	|	Screen location
;	|	|	|	|	|	|
;Case1:	CASE	0,	ToglTF,	QtFlag,	1,	ScrnA1,	NoYes
;							|
;			 Address of data used by function
;
; The first two entries in table are labeled for calculation at CaseA:.
;
CaseA1:	CASE	1,	ToglTF,	wildfl,	1,	ScrnA1,	YesNo
CaseA2:	CASE	2,	ToglTF,	pagefl,	1,	ScrnA2,	YesNo
	CASE	3,	ToglTF,	pausfl,	1,	ScrnA3,	YesNo
;
CaseAX:				; for calculation of list length
;
; Case table support . . .
;
YesNo:	db	'YES',0		; displayed if value is FFh (ToglTF)
	db	' NO',0		; displayed if value is 00h (ToglTF)
;
; Screen image section . . .
;
ScrnA:	db	cr,lf,lf,tab,tab,tab,'  UNERASE Installation Menu'
	db	cr,lf,lf,lf
;
	db	tab,tab,'(1) ',1,'Wildcard filename allows list only? . ',2
ScrnA1:	db	'   '		; current value
	db	cr,lf,lf
;
	db	tab,tab,'(2) ',1,'Page screen by default? . . . . . . . ',2
ScrnA2:	db	'   '		; current value
	db	cr,lf,lf
;
	db	tab,tab,'(3) ',1,'Pause for disk change by default? . . ',2
ScrnA3:	db	'   '		; current value
;
	db	cr,lf,lf,lf,lf,lf,lf,lf,lf,lf	; fill rest of screen
;
	db	0		; terminator
;
; Help screen section . . .
;
HelpA:	db	CR,LF
;
	db	HON,'Option 1',HOF,' -- Wildcard file recovery.  If  set "YES", '
	db	'a wildcard character in',CR,LF
	db	'a filename automatically puts UNERASE in list-only mode.  '
	db	'It lists matching',CR,LF
	db	'erased files to the screen, but does not recover any of them. '
	db	' If set "NO",',CR,LF
	db	'UNERASE enters list mode only when the "L" command  line  '
	db	'option  is given;',CR,LF
	db	'otherwise, all  matching  files  are  recovered.  Wildcard '
	db	'file recovery is',CR,LF
	db	'extremely dangerous.  It can  easily  recover  files which '
	db	'claim allocation',CR,LF
	db	'blocks used by other files.  Change this to "NO" ONLY if you '
	db	' are  SURE you',CR,LF
	db	'know what you are doing.'
	db	CR,LF,LF
;
	db	HON,'Option 2',HOF,' -- Screen  paging.  This  configuration '
	db	'option turns screen paging',CR,LF
	db	'on or off by default.  It''s your choice.  The default  chosen '
	db	' here  can be',CR,LF
	db	'toggled with  the  command line "P" option.  Screen paging '
	db	'never works when',CR,LF
	db	'files are being recovered.'
	db	CR,LF,LF
;
	db	HON,'Option 3',HOF,' -- Pause for disk  change.  For  most '
	db	'people this option should be',CR,LF
	db	'"NO".  If you have only one disk drive, you may want to  make '
	db	' a  pause the',CR,LF
	db	'default mode by changing this option to "YES".  The default '
	db	'chosen here can',CR,LF
	db	'be toggled with the command line "C" option.'
	db	CR,LF
;
	db	0		; Terminator
;
	end