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ZCNFG21.LZH
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ZCNFG.HST
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1992-11-03
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7KB
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140 lines
ZCNFG is copyright by A. E. Hawley 01/88, 11/89, 08/90, 08/91.
It may be freely distributed, but it must not be sold
either separately or as part of a package without the
written consent of the author.
The author may be reached via electronic mail at the
Ladera Znode in Los Angeles, 213-670-9465
or by mail at: 6032 Chariton Ave.
Los Angeles, CA 90056
ZCNFG is released for distribution through the Z-system
users group, ZSIG. Many Znodes include ZSIG releases
among their programs available for download.
*************** RELEASE HISTORY ****************
V2.1 - 11/01/91 - (Al Hawley)
-Functions 1,5, and 9 modified to change ONLY the 7 ASCII bits
in the configuration block, and ignore the high bit during
screen display. This allows the high bit in such data to be
used as an independent flag, configurable with the SWITCH function.
-Added several more exit functions (W,^W,^Q,^X) and menu select
keys (^A,^S,^D,^F). Changed the internal ZCNFG menu to be more
compatible with highlighted screen display and less complex. The '?'
selection in this menu now displays a description of all the alternate
keys that control ZCNFG operation.
-ZCNFG21.CFG is reformatted for compatibility with highlighted
screen displays.
-Added Function 9 which accepts a keystroke to update
an ASCII byte (^@ to DEL) which is displayed on the screen
with translation of control characters to ^X form and to
SP or DEL for those non-printing characters. This function
is useful for escape character and printer string configuration.
-Modified keyboard input error handling. Input errors
now redraw only the prompt instead of the entire screen.
This speeds response dramatically.
-Revised code for Function 1 and Function 5 to use
a value at S_LIST (from the menu list) in the CFG
overlay as the terminator byte for the current string.
If S_LIST is zero, then a space delimited string is
assumed. (The value at S_LIST could also be 20h. Other
normal values are Null and '$'). There is no provision
for HBS string termination.
-modules affected: ZCNFG.Z80, CFGSUBS.Z80, ZCNFGCFG.LBR
V2.0 - 09/17/91 - (Al Hawley)
-fixed bug in the parsing of DU form. Also enhanced to
allow a leading space during input to leave drive
unchanged and trailing space leaves User unchanged.
Thus, " 14" changes only the user, and "C " changes
only the drive.
-revised HELP screen to reflect current configuration
and new LBR arguments on the command line.
-revised ZCNFG.HLP to reflect the new syntax and clarify
description of defaults.
-revised command line parsing to provide new syntax
which allows specification of the CFG library on the
command line. Syntax is a superset of the old syntax.
-added error traps in FN2, FN3, FN6 for user input.
-replaced code with SYSLIB routines in many places.
-modules affected: ZCNFG.Z80, CFGSUBS.Z80, CFGLIB.REL,
ZCNFG.CFG, GETZFS.Z80(in CFGLIB.LBR), ZCNFG.HLP.
ZCNFG v1.9 - 08/21/91 - (Al Hawley)
-Added ability to extract CFG files from a library of such
files compatible with NULU and SYSLIB. CONFIG.LBR is expected
to be found in ZCNFG's alternate directory. The LBR will be
searched first for the required CFG file if there is no DIR
form (D:, U:, DU:, or DIR:) specified in the SECOND argument
of the invoking command tail.
-The configuration file has been updated to contain a new
menu item for changing the name of the library which contains
CFG files (distribution default is CONFIG).
-several new error traps and associated messages help prevent
use of wrong or damaged CFG overlays. Hopefully, they will never
be seen!
-documentation files have been updated to include the new
features in versions 1.8 and 1.9. Terry Hazen contributed a set
of help files, ZCFG.HLP and ZCNFG.HLP, which have been edited
to reflect version 1.9 features. These files are for the standard
ZCPR help utility, and are a complete replacement for ZCNFG.WS.
-Configuration function 7 has been generalized to rotate a bit in
a bit field of from 2 to 7 bits located anywhere in a byte. Current
implementations in CFG files (the 3 lsb in a byte) are unaffected.
ZCVFG v1.8 - 08/09/91 - (Al Hawley)
-Reformatted & reorganized source code.
-Revised CFG help function to recognize ':' or Form Feed character
at the start of a line in help screens. These characters
start a new screen but are not displayed. Help screens are now
much easier to compose.
-Revised CFG file search logic to speed up response for common
invocation situations. If user has provided a partial or complete
dir:/du: form, the alternate directory will not be searched.
When the CFG file name comes from the target file configuration
block, the alternate directory is searched first.
ZCNFG v1.7 - 08/12/90 - (Al Hawley)
Corrected a bug in the TEXTLC routine.
ZCNFG v1.6 - 07/21/90 - (Al Hawley)
Added logic in FILINIT routine to detect Z34 type 4 executable files,
and skip over the type 4 header to find the program's configuration
block. ZCNFG will now work with all types of Z system and CP/M files.
ZCNFG v1.5 - 05/28/90 - (Al Hawley)
Replaced a lost instruction in the TABS routine in CFGSUBS.Z80 which
caused the column counter to be improperly maintained and resulted in
eratic expansion of tabs.
ZCNFG v1.4 - 11/03/89 - (Al Hawley)
Reconfigured to allow for 256 byte configuration block in the target
program. Added screen and cursor controls which become effective if
a Z-system is present. ZCNFG functions in a CP/M system without
terminal-specific functions. Removed the option to use '$' terminated
strings in the .CFG files. All strings must be null terminated. Since
this was the recommended usage in V 1.3, there should be minimal
impact on existing .CFG files. Those that result in garbage at the
end of screen displays should be patched or re-assembled with a null
replacing any '$' terminators. This change was required to accomodate
the V4 VLIB routines which do not accept the '$' string terminator.
ZCNFG v1.3 - 12/19/88
This is the release version of ZCNFG. Earlier versions were developmental,
and contained functions that behave differently from this one. To avoid
problems in using ZCNFG, older versions should be discarded along with
their .CFG files and replaced with updated .CFG files designed to the
interface requirements outlined in ZCNFG.WS (or the equivalent text
file, ZCNFG.DOC).
Al Hawley, Ladera Znode, (213) 670-9465
ZCNFG v1.2, v1.1, and v1.0 were distributed only to selected individuals
for Beta testing. (aeh)