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   Re: 80 columnson c64 - how's it done?
   Author:   White Flame (aka David Holz)
   <white-flame!!!@geoRemove!!!cities.com>
   Date:   1999/02/11
   Forum:   comp.sys.cbm
   
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Cameron Kaiser wrote in message <79v206$bm5@chronicle.concentric.net>...
>Stefan Rieken <StefanRieken@SoftHome.net> writes:
>
>>on funet & an other place there is a program that makes your c64 have 80
>>columns. It is very hard for me to decipher how it's done. If anyone
>>knows it or knows where to find doc's about it I'd be delighted to hear.
>
>It basically draws 4x8 characters on the hires screen. Simple idea, but
>you do have to write your own screen editor and all if you want it to
actually
>be a programming environment.

There's also the flicktty method, which was a 80-columner for Lunix.  It
used 2 text screens, and 2 character sets, so mem requirements were smaller
than a bitmap.  1 char set had characters on the left 4x8 of the cell, and
the other used the right 4 pixels for the character.  Every frame, the text
screen and font were toggled, so frame 1 would be displayed, showing only
characters 1,3,5,7... on the line, then the next frame would show characters
2,4,6,8...  Hence, to draw "Hello world" on the screen, the handler would
put "Hlowrd" on frame 1 and "el ol" on frame 2.  Could have been for PAL
machines, because it didn't quite work right on mine.


White Flame (aka David Holz)
http://fly.to/theflame
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