APPENDIX H
PET
Features
Features of
PET
BASIC
Calculator/program modes
8 commands
26 statements
29
fu
nctions
Extended BASIC features
Strings
ASCII character representation
Number representation: Floating point
(5
bytes)
1nteger
(2
bytes)
To 9 or 10 significant digits
Variables up to 255 characters. 2 characters significant
Mix
of
40
and
80
character source lines
Expression evaluation for statement and function parameters
Fully programmable graphie keys
Fully programmable cursor control keys
Arrays of any dimensions
Line editor
Add line
Delete line
Change line
Programmed breaks
Nested subroutines up to 26
Tape read/write under program control
Program overlay capability
PEEK/POKE
to
load/store memory bytes
Programmable system clock for time of day
Machine language interface
Fully programmable external 1/0 capability
425
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