;
;  PROGRAM:  RECORD
;  AUTHOR:  RICHARD CONN
;  VERSION:  3.0
;  DATE:  4 Apr 84
;  PREVIOUS VERSIONS:  1.3 (5 Jan 83), 1.4 (6 Jan 83)
;  PREVIOUS VERSIONS:  1.0 (30 Dec 82), 1.1 (31 Dec 82), 1.2 (1 Jan 83)
;
VERS	EQU	30
z3env	SET	0f400h

;
;	RECORD enables and disables the disk output redirectable I/O
; drivers for ZCPR2.  This command takes two forms:
;
;		RECORD ON	<-- Turn on console recording
;		RECORD OFF	<-- Turn off console recording
;		RECORD ON P	<-- Turn on printer recording
;		RECORD OFF P	<-- Turn off printer recording
;
	ext	z3init,getiop
	ext	eprint

fcb	equ	5dh		;FCB Input
fcb2	equ	6dh		;FCB2 Input
cr	equ	0dh
lf	equ	0ah

;
; Environment Definition
;
	if	z3env ne 0
;
; External ZCPR3 Environment Descriptor
;
	jmp	start
	db	'Z3ENV'	;This is a ZCPR3 Utility
	db	1	;External Environment Descriptor
z3eadr:
	dw	z3env
start:
	lhld	z3eadr	;pt to ZCPR3 environment
;
	else
;
; Internal ZCPR3 Environment Descriptor
;
	MACLIB	Z3BASE.LIB
	MACLIB	SYSENV.LIB
z3eadr:
	jmp	start
	SYSENV
start:
	lxi	h,z3eadr	;pt to ZCPR3 environment
	endif

;
; Start of Program -- Initialize ZCPR3 Environment
;
	call	z3init	;initialize the ZCPR3 Env and the VLIB Env

;
;  Start of Program
;
	call	getiop		;Check for I/O Driver Defn
	mov	a,h
	ora	l
	jnz	start0
	call	banner
	call	eprint
	db	cr,lf,'Abort -- I/O Driver Address NOT Defined',0
	ret
start0:
	call	status		;Call Status Routine
	jz	nodriver	;No Driver Available?
	cpi	80H		;MUST have Disk Driver Module (> 80H) Loaded
	jnc	start1
	call	banner
	call	eprint
	db	cr,lf,'Abort -- Disk Driver Module NOT Loaded',0
	ret
nodriver:
	call	banner
	call	eprint
	db	cr,lf,'Abort -- No I/O Driver Module Loaded',0
	ret

start1:
	lda	fcb		;Get first char
	cpi	'O'		;Must be O
	jnz	help
	lda	fcb+1		;Get 2nd char
	cpi	'N'		;ON?
	jnz	off
on:
	lda	fcb2	;Printer?
	cpi	'P'
	jnz	on1
	call	banner
	call	eprint
	db	'  ++ TTY Recording ON ++',0
	call	lopen	;LST
	ret
on1:
	call	banner
	call	eprint
	db	'  ++ CRT Recording ON ++',0
	call	copen	;CRT
	ret
off:
	lda	fcb2	;Printer?
	cpi	'P'
	jnz	off1
	call	lclose	;Close Output
	call	banner
	call	eprint
	db	'  ++ TTY Recording OFF ++',cr,lf,0
	ret
off1:
	call	cclose	;Close Output
	call	banner
	call	eprint
	db	'  ++ CRT Recording OFF ++',cr,lf,0
	ret
;
;  Print Help Message
;
help:
	call	banner
	call	eprint
	db	cr,lf
	db	cr,lf,'RECORD turns on and off recording of screen displays'
	db	cr,lf,'on disk under ZCPR3 with the SYSIO Redirectable I/O '
	db	'Drivers'
	db	cr,lf,'engaged.'
	db	cr,lf
	db	cr,lf,'It is invoked by two forms:'
	db	cr,lf
	db	cr,lf,'	RECORD ON  or RECORD ON PRINTER'
	db	cr,lf,'	RECORD OFF or RECORD OFF PRINTER'
	db	cr,lf
	db	cr,lf,'Minimum Required Option Forms are ON, OF, and P:'
	db	cr,lf,'	RECORD ON P = RECORD ON PRINTER'
	db	cr,lf,'If the P option is given, then TTY output is '
	db	'recorded,'
	db	cr,lf,'else CRT output is recorded.'
	db	cr,lf,0
	ret

;
;  I/O Driver Interface Routines
;
status:
	push	h		;Save HL
	push	d		;Save DE
	lxi	d,0		;No Offset for Status
runio:
	call	getiop		;Get I/O Base Address
	dad	d		;Pt to Routine
	pop	d		;Restore DE
	xthl			;Restore HL and Place Address on Stack
	ret			;"Run" Routine
copen:
	push	h		;Save Regs
	push	d
	lxi	d,36		;Offset for Console Open Routine
	jmp	runio		;Run Routine
cclose:
	push	h		;Save Regs
	push	d
	lxi	d,39		;Offset for Console Close Routine
	jmp	runio
lopen:
	push	h		;Save Regs
	push	d
	lxi	d,42		;Offset for Printer Open Routine
	jmp	runio
lclose:
	push	h		;Save Regs
	push	d
	lxi	d,45		;Offset for Printer Close Routine
	jmp	runio

;
; Print Banner
;
banner:
	call	eprint
	db	'RECORD, Version '
	db	(vers/10)+'0','.',(vers mod 10)+'0',0
	ret

	end