Category : Miscellaneous Language Source Code
Archive   : EVBGI2.ZIP
Filename : README

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³ README - This files describes the features and usage of the Everex ³
³ BGI files for use with Turbo Pascal 5.0 and 5.5, and Turbo C 2.0. ³
³ ³
³ 7-31-1989 v1.00 Initiial drivers release ³
³ ³
³ Kaymann L. Woo ³
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These 2 BGI drivers , EVRX16.BGI and EVRX256.BGI, support the Everex Extended
graphics modes on the Everex EVGA (EV-673) and Viewpoint (EV-678) card.
The driver EVRX16.BGI can be used with Everex Micro-Enhancer and Micro-Enhancer
Deluxe. Note that in order to use the 800x600 16 color mode on the EV-657-01 and
EV-659-01, you must perform an InitGraph call with the driver value for VGA.
Otherwise the graphics library will assume that there are only two resolutions,
640x480 and 752x410. These drivers can be used with Turbo Pascal 5.0 and 5.5,
and Turbo C 2.0.

WARNING : This is purely a beta driver and some internal testing has been done, but
some 'REAL LIFE' testing may be needed. EVEREX Systems isn't responsible
for any losses due to this driver.
If you find any incompatibilities or bugs in these drivers, please leave
a message for me on the Everex Graphics BBS (415) 683-2924.

Files included:
EVRX16.BGI - 16 color BGI driver for Turbo Pascal 5.0 and 5.5,
and Turbo C 2.0
EVRX256.BGI - 256 color BGI driver for Turbo Pascal 5.0 and 5.5,
and Turbo C 2.0
README.DOC

EVRX16.BGI:
Turbo Modes (EV-657/B/01, EV-659/A/01, and EV-673):
00h : 640 x 480 16 color on multi-frequency or PS/2 monitor
01h : 752 x 410 16 color on multi-frequency monitor
02h : 800 x 600 16 color on multi-frequency monitor

Turbo Modes (EV-678):
00h : 640 x 480 16 color on multi-frequency or PS/2 monitor
01h : 800 x 600 16 color on multi-frequency monitor
02h : 1024 x 768 16 color on multi-frequency monitor (512K on EV-678)

Usage:
To use EVRX16.BGI with Turbo Pascal or Turbo C, either
rename it to the file name EGAVGA.BGI (Make sure to keep
a backup of the original Borland EGAVGA.BGI) or rewrite
your code to load in the driver and register it using
RegisterBGIDriver.

EVRX256.BGI:
Turbo Modes (EV-673):
00h : 640 x 350 256 color on multi-frequency monitor (64 on digital)
01h : 640 x 400 256 color on multi-frequency monitor (64 on digital)
02h : 512 x 480 256 color on multi-frequency monitor (64 on digital)

Turbo Modes (EV-678):
00h : 640 x 350 256 color on multi-frequency monitor (64 on digital)
01h : 640 x 400 256 color on multi-frequency monitor (64 on digital)
02h : 640 x 480 256 color on multi-frequency monitor (64 on digital) (512K on EV-678 only)
03h : 800 x 600 256 color on multi-frequency monitor (64 on digital) (512K on EV-678 only)

Constraints:
2) SetBkColor, SetPalette, and SetAllPalette are not supported
because the EGA compatible palette is not active in 256 color
mode. Changing the palette must be done by using SETRGBPALETTE
or modifying the color lookup table in the Digital-to-Analog
Converter (DAC). Get the Everex Technical Reference Manual
for more information.

Usage:
To use EVRX256.BGI with Turbo Pascal or Turbo C, either
rename it to the file name EGAVGA.BGI (Make sure to keep
a backup of the original Borland EGAVGA.BGI) or rewrite
your code to load in the driver and register it using
RegisterBGIDriver.