; ZCPR3 TCAP Facility (Z3TCAP)
; Program Name:  TCCHECK
; Author:  Richard Conn
; Version:  1.0
; Date:  10 Mar 84
version	equ	10

;
;	TCCHECK checks the indicated (or implied) Z3TCAP.TCP file
; and displays statistics about it.
;

;
;  Basic Equates
;
z3env	SET	0f400h	;ZCPR3 Environment Descriptor
fcb	equ	5ch
tbuff	equ	80h
ctrlc	equ	'C'-'@'
cr	equ	0dh
lf	equ	0ah

;
;  ZCPR3 and SYSLIB References
;
	ext	z3init,qprint,z3log
	ext	codend,moveb
	ext	print,pfn1,cout,phldc
	ext	initfcb,pfind,f$open,f$read,f$close

;
; 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

;
; Print Banner
;
	call	qprint
	db	'TCCHECK, Version '
	db	(version/10)+'0','.',(version mod 10)+'0'
	db	0

;
; Check for Entry in FCB
;
	lda	fcb+1	;get first char
	cpi	'/'	;none if slash
	jnz	start1
;
; Print Help Info
;
help:
	call	print
	db	'TCCHECK - Select Entry from Z3TCAP.TCP'
	db	cr,lf,'Syntax:'
	db	cr,lf,'	TCCHECK infile  -or-  TCCHECK infile.typ'
	db	cr,lf
	db	cr,lf,'where "infile" is the file to be checked by'
	db	cr,lf,'the execution of TCCHECK.  If no file type is'
	db	cr,lf,'given, a file type of TCP is the default.'
	db	cr,lf
	db	cr,lf,'Syntax:'
	db	cr,lf,'	TCCHECK'
	db	cr,lf
	db	cr,lf,'where this alternate form may be used to check'
	db	cr,lf,'the Z3TCAP.TCP file.'
	db	0
	ret
;
; Resume Processing
;
start1:
;
; Set Default File if None
;
	lxi	d,fcb+1		;pt to file name
	lxi	h,deffile	;pt to default file
	mvi	b,11		;11 bytes
	ldax	d		;get first char
	cpi	' '		;none if space
	cz	moveb		;set default file
;
; Set Default File Type if None
;
	lxi	d,fcb+9		;pt to file type
	lxi	h,deftyp	;pt to default file type
	mvi	b,3		;3 bytes
	ldax	d		;get first char
	cpi	' '		;none if space
	cz	moveb		;set default file type
;
; Begin Reading Z3TCAP.TCP
;
	lxi	d,fcb		;try to open Z3TCAP.TCP
	call	initfcb		;init FCB
	mvi	a,0ffh		;search current also
	call	pfind		;look for file
	jnz	start2		;file found
;
; File Z3TCAP.TCP Not Found
;
fnferr:
	call	print
	db	'  File ',0
	lxi	d,fcb+1		;print file name
	call	pfn1
	call	print
	db	' Not Found - Aborting',0
	ret
;
; Extract Z3TCAP Index
;
start2:
	lxi	d,fcb		;pt to FCB
	call	f$open		;open file
	jnz	fnferr
	call	codend		;read file into buffer
;
; Load Z3TCAP Index
;
loadi:
	lxi	d,fcb		;pt to FCB
	call	f$read		;read next block
	jnz	rerr1		;read error
	lxi	d,tbuff		;copy from TBUFF
	push	h		;save ptr to this block
	xchg
	mvi	b,128		;128 bytes
	call	moveb
	pop	h		;pt to this block
	lxi	d,16		;every 16
	mvi	b,8		;8 entries possible
;
; Check for End of Index
;
loadi1:
	mov	a,m		;end of index if space
	cpi	' '
	jz	loadi2
	dad	d		;pt to next
	dcr	b		;count down
	jnz	loadi1
	jmp	loadi		;HL pts to next block to load
;
; Error in Reading File
;
rerr1:
	call	print
	db	cr,lf,'File Read Error During Read of Index',0
	ret
;
; Reached End of Index
;
loadi2:
	shld	z3tcver		;save ptr to version number
;
; Read Each Block of File
;
	lxi	h,0		;set count
	shld	tcount
	call	codend		;pt to first element
check:
	mov	a,m		;see if done
	cpi	' '		;space if so
	jz	done
	lxi	d,fcb		;pt to FCB
	call	f$read		;read next record
	jnz	rerr
	push	h		;save ptr
	lhld	tcount		;increment count
	inx	h
	shld	tcount
	pop	h		;get ptr
	lxi	d,tbuff		;pt to name in buffer
	mvi	b,16		;check 16 chars
check1:
	ldax	d		;compare
	cmp	m
	jnz	tnerror
	inx	h		;pt to next
	inx	d
	dcr	b		;count down
	jnz	check1
	jmp	check
;
; Read Error
;
rerr:
	call	print
	db	cr,lf,'Premature End of File after ',0
	lhld	tcount		;get count
	call	phldc
	call	print
	db	' Terminals Checked',0
	ret
;
; Terminal Name Error
;
tnerror:
	call	print
	db	cr,lf,'Terminal Names are Inconsistent at Terminal ',0
	push	h		;save ptr
	lhld	tcount		;get count
	call	phldc
	pop	h		;get ptr
tne1:
	inx	h	;advance to next
	dcr	b
	jnz	tne1
	jmp	check

;
; Check Complete
;
done:
	lxi	d,fcb		;close file
	call	f$close
	call	print
	db	cr,lf,'Z3TCAP File Check of ',0
	lxi	d,fcb+1
	call	pfn1
	call	print
	db	' Version ',0
	lhld	z3tcver
	inx	h		;pt to version number
done1:
	mov	a,m		;print it
	call	cout
	inx	h
	cpi	' '
	jnz	done1
	call	print
	db	cr,lf,'	File Checks with ',0
	lhld	tcount		;print entry count
	call	phldc
	call	print
	db	' Terminals Defined',0
	ret
;
; Buffers
;
deffile:
	db	'Z3TCAP  '	;default file name
deftyp:
	db	'TCP'		;default file type
tcount:
	ds	2	;terminal count
z3tcver:
	ds	2	;ptr to ZCPR3 TCAP Version Number

	end