1 PLATOTERM Key Charts
Thomas Cherryhomes edited this page 2025-01-19 09:37:05 -06:00
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Apple II Keyboard

The PLATO keyboard is mapped onto the Apple ][ keyboard. CTRL is used to access the special PLATO keys, with ESC acting as a SHIFT key in combination for shifted combinations.

PLATO KEY Apple Key
ANS CTRL-A
BACK CTRL-B
SHIFT-BACK ESC CTRL-B
COPY CTRL-C
SHIFT-COPY ESC CTRL-C
DATA CTRL-D
SHIFT-DATA ESC CTRL-D
EDIT CTRL-E
SHIFT-EDIT ESC CTRL-E
FONT CTRL-F
÷ CTRL-G
HELP CTRL-I
SHIFT-HELP ESC CTRL-H
LAB CTRL-L
SHIFT-LAB ESC CTRL-L
SUPER CTRL-P
SHIFT-SUPER ESC CTRL-P
SQUARE CTRL-Q
ACCESS ESC CTRL-Q
STOP CTRL-S
SHIFT-STOP ESC CTRL-S
TERM CTRL-T
× CTRL-X
SUB CTRL-Y
SHIFT-SUB ESC CTRL-Y
Setup CTRL-Z
Shift Lock (for Apple ][+ ESC ESC

--

For Apple ][+ systems, you can press ESC ESC to toggle and access the lowercase characters.

TBD: Map access keys (lots of special printable characters) onto Apple2 keyboard directly.


Atari 8-bit PLATO Keyboard

PLATO Keyboard

The PLATO keyboard is mapped to the Atari keys, like so:

PLATO KEY Atari Key
ANS CTRL-A
BACK CTRL-B
SHIFT-BACK CTRL- + (left arrow)
COPY CTRL-C
SHIFT-COPY CTRL- - (up arrow)
DATA CTRL-D
SHIFT-DATA SHIFT-CTRL-D
EDIT CTRL-E
SHIFT-EDIT SHIFT-CTRL-E
FONT CTRL-F
÷ CTRL-G
HELP CTRL-I
SHIFT-HELP SHIFT CTRL-H
LAB CTRL-L
SHIFT-LAB CTRL-= (down arrow)
SUPER CTRL-P
SHIFT-SUPER SHIFT CTRL-P
SQUARE CTRL-Q
ACCESS SHIFT CTRL-Q
STOP CTRL-S
SHIFT-STOP SHIFT CTRL-S
TERM CTRL-T
× CTRL-X
SUB CTRL-Y
SHIFT-SUB SHIFT CTRL-Y
Setup OPTION
Exit SELECT X
Color up SELECT -
Color down SELECT =
Bright up Select *
Bright down Select +
CR and LF Select RETURN

Commodore 64 PLATO Keyboard

The PLATO keyboard is mapped to the Commodore keys, like so:

PLATO KEY C= Key
ANS COMMODORE-A
BACK COMMODORE-B
SHIFT-BACK COMMODORE-SHIFT-B
COPY COMMODORE-C
SHIFT-COPY COMMODORE-SHIFT-C
DATA COMMODORE-D
SHIFT-DATA SHIFT-COMMODORE-D
EDIT COMMODORE-E
SHIFT-EDIT SHIFT-COMMODORE-E
FONT COMMODORE-F
÷ COMMODORE-G
HELP COMMODORE-I
SHIFT-HELP SHIFT COMMODORE-H
LAB COMMODORE-L
SHIFT-LAB SHIFT-COMMODORE-L
SUPER COMMODORE-P
SHIFT-SUPER SHIFT COMMODORE-P
SQUARE COMMODORE-Q
ACCESS SHIFT COMMODORE-Q
STOP COMMODORE-S
SHIFT-STOP SHIFT COMMODORE-S
TERM COMMODORE-T
× COMMODORE-X
SUB COMMODORE-Y
SHIFT-SUB SHIFT COMMODORE-Y