[Coco] Drivewire 3 issues

[Christian Lesage]

Boisy Pitre wrote:
> On Apr 2, 2009, at 12:32 PM, Christian Lesage wrote:
>
>> I don't use a disk controller. I removed the ROM from a "Shanghai" 
>> ROM Pak and replaced it with a 27C256. Since A14 (pin 27)  is held 
>> high in the ROM Pak, I offset the code by $4000 (i.e. it starts at 
>> $4000 instead of $0000). So out of 32kb, only 16kb are usable. I now 
>> realize that there's probably  a mechanism that allows the CoCo to 
>> check the ROM Pak size (8kb or 16kb). That's probably where my 
>> problems come from. The CoCo sees a 16kb ROM Pak while it should be 
>> an 8kb one, as if using a disk controller. So I guess I have to 
>> modify the ROM Pak, but how? It's been so long since I last played 
>> with CoCo hardware.
>
> Christian,
>
> I think your problem is that you haven't cut pin 8 on the cartridge, 
> and this is causing the program to auto start.  Try cutting pin 8 on 
> the cartridge and see if that helps.

Problem solved!

Merci!

Christian