; FILESZCF.Z80
;
; ZCNFG configuration module for FILESIZE.COM.  The assembled version of
; this file must be named FILESZxx.CFG, where xx is the version number
; of FILESIZE, to be automatically recognized by ZCNFG.
;
; Version 1.2 -- March 27, 1991 -- Gene Pizzetta
;	Made option N decimal.  Reversed order of options N and S.
;
; Version 1.1 -- March 25, 1991 -- Rob Friefeld
;	Added option N.
;
; Version 1.0 -- March 20, 1991 -- Gene Pizzetta
;	For FILESIZE 1.4.  Help screen TXT file was justified with Irv
;	Hoff's JUS and converted to code with TXT2DB.
;
; Patch locations . . .
;
pagdft	equ	015h		; screen paging flag
sysdft	equ	016h		; system files flag
scrdft	equ	017h		; default screen lines
numdft	equ	018h		; number of files
;
; 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	P,	ToglTF,	pagdft,	1,	ScrnA1,	NoYes
CaseA2:	CASE	S,	ToglTF,	sysdft,	1,	ScrnA2,	YesNo
	CASE	N,	DecRad,	numdft,	2,	ScrnA3,	NumRge
	CASE	L,	DecRad,	scrdft,	1,	ScrnA4,	ScrRge

CaseAX:				; for calculation of list length
;
; Case table support . . .
;
YesNo:	db	'YES',0		; displayed if value is FFh (ToglTF)
NoYes:	db	' NO',0		; displayed if value is 00h (ToglTF)
	db	'YES',0
;
ScrRge:	dw	2,255		; range for number of screen lines
NumRge:	dw	16,3072		; range for file matches
;
; Screen image section . . .
;
ScrnA:	db	cr,lf,lf,tab,tab,tab,' FILESIZE Installation Menu'
	db	cr,lf,lf,lf
;
	db	tab,tab,'(P) ',1,'Page screen?  . . . . . . . . . . . . ',2
ScrnA1:	db	'   '		; current value
	db	cr,lf,lf
;
	db	tab,tab,'(S) ',1,'Include system files? . . . . . . . . ',2
ScrnA2:	db	'   '		; current value
	db	cr,lf,lf
;
	db	tab,tab,'(N) ',1,'Number of file matches allowed  . . ',2
ScrnA3:	db	'     '		; current value
	db	cr,lf,lf
;
	db	tab,tab,'(L) ',1,'Number of screen lines (CP/M only)  . ',2
ScrnA4:	db	'   '		; current value
	db	cr,lf,lf,lf
;
	db	0		; terminator
;
; Help screen section . . .
;
HelpA:	db	CR,LF
;
	db	HON,'Option P',HOF,' -- Screen paging.  "YES"  will  cause '
	db	' FILESIZE to pause each time',CR,LF
	db	'the screen fills by default.  "NO" will  default  to  continuous '
	db	'scrolling.',CR,LF
	db	'The P command line option toggles the selected default.'
	db	CR,LF,LF
;
	db	HON,'Option S',HOF,' -- Include system  files.  "NO"  causes '
	db	'system files to be ignored',CR,LF
	db	'by default.  If "YES" is selected, system files  will  be '
	db	' included  in the',CR,LF
	db	'search.  The S command line option toggles the selected default.'
	db	CR,LF,LF
;
	db	HON,'Option N',HOF,' -- Number of  files.  Each  matched  filename '
	db	'requires 15 bytes of',CR,LF
	db	'buffer space, or about 15k per 1000  matches.  If  memory '
	db	' is  limited, you',CR,LF
	db	'will need to reduce the number of files allowed.'
	db	CR,LF,LF
;
	db	HON,'Option L',HOF,' -- Screen  lines.  This  value  is  only '
	db	' used under vanilla CP/M.',CR,LF
	db	'Under ZCPR3 the number of screen lines  is  obtained  from '
	db	' the environment',CR,LF
	db	'descriptor.  Enter the actual number of lines on your screen.'
	db	CR,LF
;
	db	0		; Terminator
;
	end