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2006-07-24 08:49
maestro

Registered: Mar 2004
Posts: 727
does anyone know??

does anybody know if its possible to convert cartridge files?? i.e. .crt files

if so what do i need

ive tried 64copy and that doesnt work

thanks
2006-07-24 09:03
Raf

Registered: Nov 2003
Posts: 343
mcart
2006-07-24 09:57
maestro

Registered: Mar 2004
Posts: 727
where can i get that raf??
2006-07-24 10:03
maestro

Registered: Mar 2004
Posts: 727
and when i say convert a .crt file i mean convert into a .d64 image or something similar??
2006-07-24 10:49
Devia

Registered: Oct 2004
Posts: 401
The short answer is NO.

A cartridge usually contains some amount of control logic to enable it to bank in different parts of the ROM on the cart.
A CRT file contains a header decribing the TYPE of cartrige, meaning a predefined hardware architecture, and then a dump of the ROM or ROMs.

Now, if the cartrige you want to convert to a PRG file only contains an 8kb ROM, it is indeed possible, but I don't think any tool will do this for you. It is of course also possible with cartriges with >8kb ROMs, but that requires some work, since you have to convert the bank switching nature of the cartridge software to a linear memory model. - depending on the software in the ROM of course.

mcart, which will only create CRT files, can be found here: http://markus.brenner.de/

It will not convert the CRT back to something else.
But why'd you want to do that anyway?


2006-07-24 10:50
Graham
Account closed

Registered: Dec 2002
Posts: 990
Most game cartridges are protected against using from RAM, and for some there are hardware features in the cartridge which are required. Usually you need to crack the game to make it run out of the cartridge.

Oh and for multi-function cartridges like Action Replay or Final Cartridge, it's ofcourse impossible to use them out of cartridge context.
2006-07-24 12:44
Raf

Registered: Nov 2003
Posts: 343
to me : the only one reason for converting CRTs is making clean rom dump back to burn into some kind of ROM memory...

for reapairing existing cart or making weird things like building cartridge inside c64 (I have seen such things live, it is relatively easy to piggyback some chips inside C64 and make action replay out of it ;-) and you can make one switch to still use cart slot w/sth else )
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