;---------------------------------------------------------

; ZCNFG Patch offsets
IDSTR	EQU	0DH		;location of ID string
DEFUSR	EQU	19H		;alternate User/Drive (2 bytes)
TGTTYP	EQU	1BH		;target file default filetype
OVLTYP	EQU	1EH		;overlay file default filetype
SCRNLN	EQU	21H		;your console screen length, lines
Z3INST	EQU	22H		;switch for Z3 install during config.
CLBRFN	EQU	23H		;name of CFG lbr in alternate DU
ZCOPT0	EQU	2EH		;bit mapped byte

;offsets in ZCOPT0
;	    bit position	;meaning:
CFGDU	EQU	0		;0=target DIR is default for ovly DU
				;1=DEFDU is default for overlay DU

;---------------------------------------------------------

	INCLUDE CNFGDEF.LIB

;************************************************************
;	START OF OVERLAY CODE
;************************************************************
;The next 13 bytes must remain in this location.
	RST	0	;for safety - file won't execute
	DW	MENU1	;for relocation of addresses, this
			;points to the NEXT location.
;first MENU list must be here. All names are local.
MENU1:	DW	MENU1,MENU1,SCRN1,CASE1,HELP1	;MENU A

;=========================================================

CASE1:	DB	(CASE1X-CASE11)/(CASE12-CASE11)	;number of cases
	DB	CASE12-CASE11			;length of each record

;	macro	.single char menu selector
;	|	|	.function (see above)
;	|	|	|	.offset in cnfg block
;	|	|	|	|	.function dependent data
;	|	|	|	|	|	.screen location
;	|	|	|	|	|	|
;ACSE1:	BITMAP	0,	SWITCH,	OBYTE0,	CRTFLG,	ASCRL0,	YNDATA
;							|
;	    address of data structure used by function._|
;
;The first two entries in the case table must be labeled to
;provide data for the calculation at case1:. Subsequent
;entries (one for each menu selection) need not be labeled.

;	default filetype for Target file
CASE11:	VECTOR	T,	TEXT,	TGTTYP,	3,	SCR100,	0
;	default filetype for configuration overlay
CASE12:	VECTOR	O,	TEXT,	OVLTYP,	3,	SCR101,	0
;	Install Z3ENV address?
	VECTOR	Z,	TOGLTF,	Z3INST,	1,	SCR102,	YNDATA
;	ALTernate directory for CFG files and CFG library
	VECTOR	A,	DUSPEC,	DEFUSR,	1,	SCR103,	0
;	screen length
	VECTOR	L,	DECRAD,	SCRNLN,	1,	SCR104,	RANGE1
;	name of the CFG library
	VECTOR	C,	TEXT,	CLBRFN,	8,	SCR105,	0
;	which default to use for CFG DU
	BITMAP	D,	SWITCH,	ZCOPT0,	CFGDU,	SCR106,	DUDATA

;the next entry is a label which terminates the list.
;It is required for use in the calculation at case1:
CASE1X:		;label used to calc number of entries

;=========================================================

SCRN1:	INCLUDE ZCSCR1		;screen image for first screen

;-----------------------------------
;	FUNCTION DATA LIST

;data pair for representing bit values in screen image
;Can also be used for function 8 display (True/False)
;these are null terminated strings. Note the 'DZ'.

YNDATA:	DZ	'YES'		;for 1=yes
	DZ	'NO '

DUDATA:	DZ	'CURRENT'	;bit0(zcopt0)=1
	DZ	'TARGET '	;bit0 = 0

RANGE1:	DW	12,80		;min/max lines per screen

;=========================================================

HELP1:	INCLUDE ZCHLP1		; ZCNFG help screen for menu1

;=========================================================

	END