[Floppertalk] EGA screen saves

Daniel Backman floppertalk@berkhirt.com
Mon, 07 Jun 1999 17:25:31 +0200


>> Cool!  Whomever is in control of the code (Jeff?): make a 
>> dump of EGA to
>> the disk just like CGA, except give it an extension of EGA.  I'll take
>> it from there and make an EGA2GIF out of it.
>
>Is everything else really the same?  I'm currently doing this for CGA
>screenshots:
>Save palette info byte from 40:65 to video ram at b800:3fff
>I then simply open a file, and dump 16k of data from b800:0->b800:4000.
>
>Is EGA bigger than 16k?  How do I know what mode I'm in to know what
>extension to use?  (i assume call INT 10, fn whatever to return screen mode
>and check?)

EGA is 32k, at A000:0 ->... You call INT 10, fn 0F. AL returns current
mode, as set by fn 0... There's no palette stuff in EGA 320x200, right? If
there is, I know how to get/set the palette...

>Do we have any games that allow keyboard access that are EGA?  (although
>printscreen key may still be working even though chooser @ F12 might not be)

Guerilla War/Victory road would be my bet, but I have a very old list on
this computer, and I'm not even sure that these games are EGA (but they
are, right?). (I *really* should write this stuff down!) According to this
list, both should work, and have no problems with Quit/chooser...

>On this same note, text based games, (ms-adventure, dos stuff, whatever) is
>not being handled correctly by the screenshot converter program.  I have not
>investigated that lately to give any more information.  It may be something
>that flopper needs to do instead of the converter program.

Probably since Ms Adventure uses 40x25 (in just text)... Text is saved
differently, 40x25 is built up by 40*25 words (attribute+character)...

>> time.  That,
>> and these statistics:  The Flopper page was hit by over 600 different
>> people in March, 700 in April, and 720 since then.  :-D
>
>ah, they're just laughing at us....  ;)

;) hehe... I guess they could be, but I think there are people that have
genuine interest in Flopper and its progress...

>Speaking of this list, is techie information like this appropriate for the
>mass throngs of people who are going to be subscribing?  Perhaps 2 lists for
>flopper; one for tech info, one for general announcements and discussion?

This far it only seems like us rambling... :)

-Dan

----
Q: How many Microsoft programmers does it take to make a great product?
A: More...
----

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