Newsgroup: it.comp.retrocomputing
Titolo: JIFFYDOS per Commodore 16???

Finalmente, era un un po' di tempo che cercavo un commodore 16 dopo che il 
mio ha tirato le cuoia... in seguito a richieste piu' o meno assurde (da 
circa 40 a oltre 250 euro) un tizio gentilissimo me ne spedisce uno in 
cambio di una ricarica telefonica di 15 euro (cioe' ... 15 euro un commodore 
16 inclusa spedizione pacco ordinario).
Oggi pomeriggio mi sono dedicato al giocattolo e, grazie anche alle memorie 
ram 4464 che mi ha spedito l'amico Paolo conosciuto su questo NG, l'ho 
modificato portando la ram a 64k cosi' da poter utilizzare anche tutto il 
software prodotto per PLUS4. Adesso vorrei montare il kernal jiffydos che 
pero' per questa macchina non riesco a trovare. Ho provato a cercare ma, 
nonostante risulti esistente nessuno ha il file da riversare su eprom.
C'e' qualcuno qui che ha maggiori informazioni e/o puo' darmi una mano a 
reperire il suddetto file? grazie! 

 reperire il suddetto file? grazie!
Ho trovato solo questo:
http://www.lemon64.com/forum/viewtopic.php?t=31096&sid=08f8c7f537375ce8ab03d6261ad07cf6
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In God we trust, all others we monitor.(NSA)
Punteggiatura: Nel caso mancasse nel messaggio, aggiungete!!


http://www.jbrain.net/categories/Commodore/
Non sembra esistere la versione per C16!
Quindi niente file..
Ciao

"PK" <f.k...@LEVAMIlibero.it> ha scritto nel messaggio 
news:I2JZo.28791$7b4....@tornado.fastwebnet.it...

Eppure ho appena trovato il kernal jiffydos per Plus/4 , oggi provo... 
speriamo bene! ... anche se ho letto di problemi riguardanti il clock... 

 speriamo bene! ... anche se ho letto di problemi riguardanti il clock...
mi chiedo se sia una versione patchata "in casa... ?

"PK" <f.k...@LEVAMIlibero.it> ha scritto nel messaggio 
news:pHTZo.28949$7b4....@tornado.fastwebnet.it...

non so', l'ho trovato in uno zip jiffydos full, pero' non fa riferimento 
allo stesso chip kernal  montato nel c16, l'ho provato con vice e non 
funziona... 


Risposta avuta su un altro gruppo:
A beta did exist in 2006, I have one of the NTSC betas here but it's
not what I would consider "ready for sale". If I remember correctly,
the PAL version had a higher level of compatibility with C16-Plus/4
software.
C16-Plus/4 Jiffydos was developed by Maurice Randall as an extension
of his license with CMD. Therefore, I'm not sure if Jim Brain could
distribute it even if he had it -- it's not completely CMD's for them
to license to Brain Innovations.

aggiuntina da comp.sys.cbm :
 > A beta did exist in 2006, I have one of the NTSC betas here but it's
 > > not what I would consider "ready for sale". If I remember correctly,
 > > the PAL version had a higher level of compatibility with C16-Plus/4
 > > software.
Just for completeness: here's a list of bugs I submitted to Maurice in
February 2006. All tests were done with original disks, not .d64s from
the 'net.
Bug #1: @Q gives "Device Not Present" error if disk drive is not on.
So does @F. I haven't gotten around to all the @ commands yet, but
these two should work even if the drive isn't on, as they disable
JiffyDOS or the JiffyDOS function key definitions -- disk drive
shouldn't matter. (Maurice replied: "The 64 and 128 do this as well.
The way the code is written would take a lot of work to eliminate
this. This is generally not a problem since in most cases, a disk
drive is in use and JiffyDOS is a "Disk Operating System". Personally,
I agree though, that CMD should have accounted for these two commands
when a disk drive is not present.")
Bug #2: Key 6 is "LIST"+CHR$(13), contrary to manual (manual states
key 6 should be left arrow, SAVE).
Bug #3: Function key definitions not disabled during program
execution:
    10 SCNCLR
    20 KEY
    30 GETKEYA$
    RUN
    PRINT A$
... the JiffyDOS function key definitions are displayed, and pressing
F3 captures an @ in A$. Proper function key disabling should redefine
the function keys to Commodore's default definitions? Manual states on
page 45 under @F: "The JiffyDOS function keys are active only in BASIC
direct mode and are disabled when programs are run...."
Bug #4: C16 program "Leaper" has a multi-part loader like many UK C16
games. (1) A boot file is loaded, which (2) displays a copyright/title
screen as it (3) loads a graphic title screen (some play music), then
(4) the copyright/title screen is displayed again while (5) the actual
game code is loaded. Disk operations occur at steps 1, 2, and 4. The
bug is that the game is corrupted upon final load (at the end of step
5). Either the game doesn't start (hung on copyright screen) or the
graphics are corrupted. (This may go back to the JiffyDOS 255 byte
buffer at the top of memory. A lot of commercial C16 games fool the
Plus/4 into reporting 16K memory (12288 bytes free) even after a soft
reset.)
Bug #5: C16 program "Skyhawk" hangs upon loading its' loader program.
A one-block file shouldn't cause me to hit the reset button after 30
seconds. :(
Bug #6: Pressing F2 ("/", load from directory listing) will error out
with "?File not found error" apprxomately half the time. It may be due
to the 1541 not through spinning down after displaying the directory
with F3 ("@$"). The 1541's red activity light is left solidly on.
OPEN15,8,15;CLOSE15 from direct mode closes whatever file is being
left open. @ is not turning the red light off when this happens
(because there's no disk drive error to report?).
Bug #7: "ACE" from the same page errors out during its' boot process
as well. It dumps me into the MONITOR with a flashing 1541 light and I
can't get out of MONITOR to read the error channel. I have to hit the
RESET button, which clears the 1541. The only way I can load ACE is to
turn off JIffyDOS at both the computer and the drive. This title has a
disk-directory copy protection, one must type LOAD"ACE",8,1 for it to
boot.
Bug #8: I have a customized "Plus/Extra". It hangs during the boot,
after displaying the first screen (insturctions for a Notepad that
comes up by pressing Commodore-Control), before it loads the selection
menu. Error given is "File not found in line 750". About half the
time, I can type GOTO750 and it will finish loading; the other half of
the time, the 1541's light stays on (not flashing) and goes back to
the "File not found in line 750" error. Once again,
OPEN15,8,15;CLOSE15 turns the red light off on the 1541. If you want a
copy of this one I'll email it to you, as the custom one isn't on my
site.
Bug #9: File copy doesn't work right. I've only attempted to copy the
"Action Pack" as referenced in the last message, and the copy won't
run even if I turn off JiffyDOS on both the Plus/4 and the 1541. It
seems that the copy process is corrupting these ML files.
Bug #10: If I put a file on the destination disk before file copying,
then the first file on "Action Pack" disk isn't copied. The filenames
are different.
But for the good news: basic operations with the 1551 (load, save, do
disk directory) seem to be fine. JiffyDOS plays fine with Script/Plus,
the Plus/4's built-in software, LOGO, and Scott Adams' Pirate
Adventure cartridge. Once in a while I still get the "file not found"
error, and once Pirate Adventure claimed an IO error when I saved my
place in the game... so there's still evidence of a problem but I
wasn't able to repeat it this time.

>> I have a family and a full time job, but still have a time to get much
hours of Amiga hacking a day  :-) <<< 

 hours of Amiga hacking a day  :-) <<<
Randall dopo aver truffato tante persone e' sparito dalla circolazione!!! 

 circolazione!!!
Beh almeno posso dire che Jim Brain � di parola oltreche puntuale nelle 
vendite, ho acquistato da lui un Jiffydos per SX64 e un jiffydos per 1571 
entrocontenuto nel C128DCR che NON � compatibile col jiffydos per 1571 
cos� come il jiffydos per C128/C128D NON � compatibile col jiffydos per 
C128DCR (del resto cambiano numero e contenuto delle rom).


 hours of Amiga hacking a day  :-) <<<
Se me lo dicevi te li avrei dati io :)
Sul mio 128D e' personalizzato, non vedi COMMODORE BASIC V2 bensi' mio nome 
e cognome , lo stesso ho fatto in passato per un amico che ha l'SX64, la 
schermata personalizzata e' di grande effetto!!!
Non sapevo delle differenze tra 128D e 128DCR, pensavo fossero uguali...