[comp.sys.cbm] what is a Commodore Plus 4?

hp0p+@andrew.cmu.edu (Hokkun Pang) (11/25/90)

Is the Commodore Plus 4 compatible with the Commodore 64?

root@zswamp.fidonet.org (Geoffrey Welsh) (11/25/90)

Hokkun Pang (hp0p+@andrew.cmu.edu ) wrote:

 >Is the Commodore Plus 4 compatible with the Commodore 64?

   Not to any useful extent. They speak the same BASIC, but no 
signifcant features are compatible.

 


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schweige@aldebaran.cs.nps.navy.mil (jeffrey schweiger) (11/25/90)

In article <AbHgKWu00XQ=MAQo0N@andrew.cmu.edu> hp0p+@andrew.cmu.edu (Hokkun Pang) writes:
>Is the Commodore Plus 4 compatible with the Commodore 64?

No.  The Commodore Plus 4 is not compatible with the Commodore 64.  Some Basic
programs that do not reference peeks and pokes, etc. , might work between the
two machines, but in general the machines are not compatible.


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cs4344af@evax.arl.utexas.edu (Fuzzy Fox) (11/26/90)

In article <AbHgKWu00XQ=MAQo0N@andrew.cmu.edu> hp0p+@andrew.cmu.edu (Hokkun Pang) writes:
>Is the Commodore Plus 4 compatible with the Commodore 64?

No.  It is a completely different computer.  It contains a built in word
processor, spreadsheet, and terminal program in ROM, I believe.  It also
has neat arrow keys.  But it uses a different video chip entirely, and
the only compatibly port is the user (modem) port.

root@unigold.UUCP (Superuser) (11/26/90)

Hokkun Pang (hp0p+@andrew.cmu.edu ) wrote:

>Is the Commodore Plus 4 compatible with the Commodore 64?

Commodore still produces the PLUS 4?

... anyway ... they are not compatible ... one major difference is that
the PLUS 4 comes with software which is installed already in ROM...

You see... IBM wasn't the first one who invented this (oh boy they'll regret
to have build the PS1... like commodore did...) :-)

Kianusch

mlubran@engws8.ic.sunysb.edu (Michael J Lubrano) (12/05/90)

In article <AbHgKWu00XQ=MAQo0N@andrew.cmu.edu> hp0p+@andrew.cmu.edu (Hokkun Pang) writes:
>Is the Commodore Plus 4 compatible with the Commodore 64?


The +4 is a machine which supports expanded basic (4.0) so anything
written in C64 or C64C basic (2.0 if I remember correctly) will run on
the +4 with an additional set of basic commands as well:

examples:        64                          +4

          LOAD"$",8                      DIRECTORY or F3
          LOAD"name",8                   DLOAD"name" or F2 name

                                         SCRATCH
                                         RENUMBER
                                         DELETE

Also ....

  The +4 does not run 64 commercial software (games, utilities) because
the memory registers are completely different.

The +4 does not have sprite graphics,but in graphics mode string
variables can be used to simulate sprite-like features.

The +4 has 4 built in programs:   word-processor
                                  data-base
                                  spread-sheet
                                  spread-sheet graphics
these progs are of limited quality.

There is also a built-in assembly language editor accessed by the
command MONITOR.


all in all, if you intend to write your own software, the +4 is
economical (about $99 retail) and 4.0 makes basic programing and
disk management a breeze. HOWEVER, if you want to play RAMBO or
Q-BERT ,  avoid the +4 like the black plague!

AS a +4 user with 7 years experience I will be happy to answer any
other +4 questions directed to me.

                  Mike Lubrano (S.U.S.B dept. of M.E.)