APPENDIX G
Variations for Original
ROMs
(Revision
Level
2)
This appendix describes the differences between the new ROMs.
as
pre-
sented in the chapter material. and the old ROMs.
Chapter 2: STARTUP
Asterisks
(*)
appear in place of the pound signs (:#:) in the initial display line
of
the original ROMs:
***COMMODORE BASIC***
You can use this
as
an
indicator of
which
ROMs your
PET
has.
Chapter 3: ARRAYS
On
the old ROMs. the total number of array elements
in
any one array
is
limited to 256.
For
example. for a one-dimensional array. elements may go from a
to
255.
For
a two-dimensional array
with
dimension 2 in the second subscript, ele-
ments may go from (0.0). (1.0)
...
(127.0). (01). (1.1).
..
(127.1).
An example
of
programming
within
this restriction
is
given below under
"Chapter 5."
403
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