Posted By
SVS
on 2000-10-17
 |  O.S.' bugs ;-)
Hi there,
I've planned to write a manual about the original Plus/4 O.S. known bugs.
Could you all signal to me what you have discovered?
At today:
a) Bugs after SCRATCH use;
b) Bugs exiting Monitor with charset on RAM
Thanx for collaboration.
S\_/S of [FIRE]
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Posted By
Rudi Chiarito
on 2001-01-30
| Here's one in the Basic tokenizer
Try entering the empty Basic line "135244". As the number is too large, the computer will respond with "?SYNTAX ERROR".
Now try entering the line "352444"...
As far as I know this bug has existed since the Vic20. It's due to a wrong label: instead of jumping to $8E27, it jumps incorrectly to $8E23 - or viceversa, I'm typing this based on my recollection from so many years ago. 
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Posted By
Gaia
on 2000-10-19
| I know one...
... which is quite obvious but not necessarily can be accounted as a "bug". On plus/4 when you load a C16 program that has the reset and IRQ vector copied over at $3FF6-3FFF, if you push the reset button, the ROM will think that you are only having 12k RAM!! So, it will come up showing 12277 BYTES FREE only which is obviously fake...
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Posted By
MIK
on 2000-10-18
 | This would be cool.
Sorry I can't give you any help, but a very intresting subject.
I was wondering if there were any things changed with later modles?
I have had about 6 or so Revision "D" Plus/4 mother boards and all DEAD.
Did Commodore roll out cheaper versions of the Plus4 later on in production?
It would be cool to know which revision has lasted the test of time
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