RE: C64GS

ncoplin_at_orbeng.com
Date: 2003-07-08 10:09:08

Hi Marko,

>> The particular cartridge I made has a small machine language loader which
>> transfers a BASIC program to $0801 and then RUNs it.
>It's not necessary to transfer the program to $801.  Some Vic-20 cartridges
>contain BASIC code that is executed directly from the ROM, by changing some
>pointers ($2b/$2c might be enough).

Nice trick ;)

...but what happens if you need variables? Do these always need to be
"after" the program or can the end of basic text be left pointers be left
pointing to the normal "no program vaules.

>The 64GS firmware and my summary of it are available on FUNET:
>64gs.390852-01.bin

Will try it in an emulator and see....

Thanks, 
Nick


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