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- EGAGIF Page 1
- Command
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-
- Purpose: To decode and display CompuServe GIF(tm) pictures
- offline on IBM compatible computers with EGA
- compatible display adapters. Special support is
- provided for several higher resolution EGA's that
- can display images at 640 by 480 pixels on multi-
- sync type monitors.
-
- Format: [d:path\]egagif [-options] [d:path\]gif-file[.gif]
-
- Type: External
-
- EGAGIF 3.0 5aug87
- Copyright 1987 by Ray L. McVay (all rights reserved)
-
- S P A R K S
- 1609 Tulip Drive
- Arlington, TX 76013-4915
- CIS 75006,2563
-
-
- Parameters:
-
- -? to see a help screen about palette changing and
- keys used.
-
- Display Adapter Support
-
- -a for Ahead Systems EGA2001 or EGA2001plus
- -g for Genoa 640x480
- -g1 for Genoa 800x600
- -g2 for Genoa 912x480
- -t for Tseng Labs EVA480
- -v for Video 7 Vega deluxe
-
- Generic Adapter Support
-
- -mN to use (decimal) mode N to set 640x480 mode on
- your otherwise unsupported graphics card. N must be
- a number between 16 and 255 inclusive. Use this
- option if the user's manual you got with your EGA
- clone says their BIOS supports 640x480 mode by
- setting video mode N. Also, some cards come with a
- utility that changes BIOS video mode 16 from 640x350
- to 640x480. If that's your case then this is the
- option for you.
-
- -n causes (n)o mode change to occur before
- displaying the GIF file. This option is for the
- folks that can "preset" their board for 640x480 mode
- by running a little program just for that purpose
- but have no other (supported) technique for
- accomplishing that feat.
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- EGAGIF Page 2
- Command
- ------------------------------------------------------------
- Miscellaneous Options
-
- -e forces 640x350 mode with no software pixel
- expansion to produce a full screen image. Sometimes
- it's just interesting to see that 320 by 200 picture
- in the full resolution of your system.
-
- [d:path\]gif-file[.gif] is the filename of the GIF
- picture you want to display. The assumed path is
- the current working directory and the assumed file
- extension is ".GIF". Only one file is displayed and
- wildcard characters are not allowed in the filename.
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- Palette Changing and Other Stuff
-
- Make sure that CAPS and NUM LOCK are off.
-
- After EGAGIF displays a picture, you can change the
- colors that were initially selected for each of the
- 16 colors that the EGA can use at one time. To do
- this you first press one of the number keys (0-9) at
- the top of the keyboard or one of the letters 'a'-
- 'f'. This selects the palette entry for which you
- are going to change the color. EGAGIF will flash
- the portion of the picture that will be effected.
- You can then alter the amount of red, green and blue
- in the selected color in the picture by pressing 1,
- 2, 3, 7, 8 or 9 on the numeric keypad. 1 and 7
- decrease and increase respectively the amount of
- red. 2 and 8 do the same for green and 3 and 9 for
- blue.
-
- After viewing the picture and fiddling with the
- colors, you can press 'q' to (q)uit EGAGIF.
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- Shareware plug:
-
- If you use EGAGIF regularly because it fills a
- unique graphics need then a $10 donation to SPARKS,
- 1609 Tulip Dr., Arlington TX 76013 would be
- appreciated. If EGAGIF is used in a commercial
- environment then it MUST be licensed for $10 per
- active copy. Contact SPARKS for details on site
- licenses, custom versions and GIF applications.
-
- GIF is a trademark of CompuServe, Inc. an H&R Block Company.
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