[torontocbm] Re: C64 and c128 external cartridge files...
- From: "Miraglia, Walter" <Walter.Miraglia@xxxxxxxxxxx>
- To: "torontocbm@xxxxxxxxxxxxx" <torontocbm@xxxxxxxxxxxxx>
- Date: Fri, 24 Apr 2009 12:52:41 -0500
Here is another good reference I found...
http://ist.uwaterloo.ca/~schepers/formats/CRT.TXT
-----Original Message-----
From: torontocbm-bounce@xxxxxxxxxxxxx [mailto:torontocbm-bounce@xxxxxxxxxxxxx]
On Behalf Of Ernie Chorny
Sent: Friday, April 24, 2009 11:04 AM
To: torontocbm@xxxxxxxxxxxxx
Subject: [torontocbm] Re: C64 and c128 external cartridge files...
Leif B. has a nice article on making cartridges at -
http://home.ica.net/~leifb/commodore/carts/
Ernie
Miraglia, Walter wrote:
> Thanks folks, I will have to give that a shot,
> Once I get the definitive answer as to how much to strip off,
> I will Compare what cartconv.exe does to the file... and report in.
>
>
> I first tried to create a Simon's Basic cartridge
> As a test, my first attempt at burning failed,
> A byte was mismatched, so I erased it in my trusty
> UV eraser for 10 minutes, and changed a jumper
> And success, burned and verified correctly... so then I put it
> In my blank 8/16K cartridge, set the dip switches accordingly
> Put it in my C64, and sure enough it came up, screen changed colour
> Reported extended basic etc, but no matter
> What I typed I got an error... hmmm
>
> So being the optimist that I am, I erased it again,
> And tried some other .crt file, converted it, and
> Burned it onto the eprom... this time Success.
> It burned correctly, it verified correctly and then
> Booted correctly...
>
> But I could not see myself playing Jack Attack for very long.
> So after the excitement of a successful burn wore off ( about 2 minutes ),
> I erased My eprom, and went to bed... (it was 1:22 AM by this time...)
>
> Pretty nifty...
>
>
>
> -----Original Message-----
> From: torontocbm-bounce@xxxxxxxxxxxxx
> [mailto:torontocbm-bounce@xxxxxxxxxxxxx] On Behalf Of Ernie Chorny
> Sent: Friday, April 24, 2009 1:41 AM
> To: torontocbm@xxxxxxxxxxxxx
> Subject: [torontocbm] Re: C64 and c128 external cartridge files...
>
> Hi Walter -
>
> I followed a method similar to what Brian Lyons laid out (although I
> thought it was more than 2 bytes that were stripped off - but that was a
> while ago so maybe....).
>
> I downloaded the CRT file on my PC - put it onto a 720K disk and then
> loaded the file into my Amiga (which reads the PC disk). Using a file
> called AZAP I stripped off the first part of the file (whatever number
> of bytes it was - strip off whatever preceeds the 8 bytes which preceed
> the characters 'CBM80') -saved that shortened file onto a 1581 disk on
> the Amiga and then read it into a C64 off the 1581. There you could run
> it in the cartridge space (assuming it didn't have any protection) or
> burn it into a 2764 EPROM - I used the Promenade burner on the C64.
>
> A little more involved than doing it on the PC but I used the hardware I
> had and kept it more Commodore :).
>
> Ernie
>
>
> Miraglia, Walter wrote:
>
>> Ok I found cartconv.exe and know how to use it to convert .crt files
>> back to bin...
>>
>> Going to try one now... and burn to 27128.... J I hope I don't kill
>> anything...
>>
>> I really should get a blog eh? Hello? Anyone out there?
>>
>> *From:* torontocbm-bounce@xxxxxxxxxxxxx
>> [mailto:torontocbm-bounce@xxxxxxxxxxxxx] *On Behalf Of *Miraglia, Walter
>> *Sent:* Thursday, April 23, 2009 8:25 PM
>> *To:* torontocbm@xxxxxxxxxxxxx
>> *Subject:* [torontocbm] C64 and c128 external cartridge files...
>>
>> Does anyone know where I can find some?
>>
>> I've erased some eeproms I had hanging around,
>>
>> And want to try out my new 8/16k cartridges with
>>
>> 28 pin rom socket...
>>
>> J
>>
>> Anything would fun at this point...
>>
>> J cheers...
>>
>> By the way the programmer is a William Eprom Burner standard Dual
>> power one
>>
>> Board marked 3B or 4E ( I use it in 3B mode )
>>
>> Seems to work well...
>>
>> The eprom eraser I go was only 29.00 bucks and has little
>>
>> Drawer and timer on it. Very cool... J
>>
>> Either way, if anyone has any links to share for bin files,
>>
>> That would be great... cheers.
>>
>> J just playing around at this point just to get familiar with it all.
>>
>> J
>>
>>
>
>
>
>
>
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