Apple
II - Extended 80 Column Card + 64 K RAM
The 'Extended 80 Column card' provided 80 display
columns plus 64K more ram for a total of 128K
(much more RAM could be added later via third
party hardware). An essential for the business
user was a Apple II 80 column text display card.
Making it possible to display and use 80-column
text on a normal Apple II display.
> Switch from 40 display to 80 column:
From the keyboard:
Type PR#3 to turn on the 80-column card.
When the 80-column card is on, press ESC 4 to
switch to 40-column mode,
or ESC 8 to switch to 80-column mode.
To turn off the 80-column card, press ESC CONTROL-Q.
From inside a program:
To turn on the 80-column card, use PRINT CHR$
(4);"PR#3"
To switch to 40-column mode, PRINT CHR$ (17)
To switch to 80-column mode, PRINT CHR$ (18)
To turn off the 80-column card, PRINT CHR$ (21)
Some more Info: applemuseum.bott.org
Photos
Apple
II - Extended 80 Column Card + 64 K RAM
Um auf einem Apple II Programme mit 80 Zeichenzeilen
laufen zu lassen, getestet.
Hier eine (englische) SYNTAX
beschreibung
Externe Links:
Photo
Extended 80 Column card, tested |
