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1989-11-11
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This is the Nov 11, 1989 revision of EGAF.ASM by Jim Kyle. The archive
contains no executable files, just source and object code. This is version
02 of the package, correcting several problems of the original upload which
caused keyboard input to fail and disabled the cursor keys.
This package contains a replacement driver, EGAF.OBJ, for Clipper Summer
87 programs that takes the place of the standard screen, keyboard, and
printer driver contained in CLIPPER.LIB. This new driver provides full
awareness of the various CRT sizes supported by EGA and VGA video systems
and makes Clipper programs fully compatible with utilities such as the
UltraVision (R) package from Personics. (NOTE: The _SETnn routines DO NOT
work properly when UltraVision is active, but if you have UV, you do not need
them anyway!)
It also contains a small test program that illustrates the use of all the
features added to the driver: the __BRC feature to determine screen size,
and the four _SETnn routines to select 25, 28, 43, or 50 line sizing from
your Clipper programs.
To use EGAF, simply add it to the object-file list; if you use LINK you
will also need to use the /NOE switch:
LINK /NOE EGATST+EGAF;
This package is provided as a service to the Clipper programming community
and no warranty of any sort, express or implied, accompanies it. Use at your
own risk. If you like it, let me know via CIS 76703,762.
Jim Kyle
Oklahoma City, OK