He encontrado mucho software desarrollado para Vic20, pero me he encontrado que requiere un driver de 40 columnas.
El Vic20 en modo nativo ofrece 22 columnas x 23 filas, en un formato de 8 X 8 pixels.
He visto que hay programas que lo que hacen es colocar un driver para que el VIC20 pueda visualizar 40 columnas.
Y tengo la solución, una de ellas porque hay varias.
http://retrowiki.es/e107_files/pub ... monade.zip
Fat40 Demo.prg 1996-11-10 3918 40 column emulators for the VIC-20.
http://www.zimmers.net/anonftp/pub/cbm/ ... index.html
http://sleepingelephant.com/denial/wiki ... umn_boards
Varias expansiones fueron diseñadas para el Vic20, incorporando 40 y 80 columnas.
Introduction to 40 and 80 column boards for the VIC-20
The VIC-20 was popular but suffered stigma among "serious" computer users (i.e. programmers & researchers) because of its 22-column display, which they felt was too limiting. To remedy this several third party companies released display boards which plugged into the VIC-20s expansion port, thereby giving it the ability to display 40 or 80 columns of text at once.
VTE-40
Vendor: MSD, Inc.
Software: 4 KB terminal program (40 column screen)
MR 40/80
MC 6845
Video Pak Data 20
Includes 16K, needs extra power supply.
Esta es la paleta de colores del Vic20:
Referencias:
http://sleepingelephant.com/ipw-web/bul ... c&start=30
http://www.nightfallcrew.com
http://sleepingelephant.com/ipw-web/bul ... 0&start=12
http://www.nightfallcrew.com/?s=40+columns
http://www.youtube.com/watch?v=2Lr2KY6QbD8