[Coco] Asteroids clone, Star Blaster cartridge?
Arthur Flexser
flexser at fiu.edu
Sun Nov 12 15:28:28 EST 2017
In most cases the disk binary is simply the cartridge binary to which a
small loader has been attached that copies the code back to the original
$C000 location with the machine in the all-RAM mode and jumps to it.
(Often, $8000-BFFF is also copied from ROM to RAM in case the cartridge
uses calls to Color Basic or Extended Basic.) The exception would be
copy-protected cartridges that are designed not to work from RAM, where the
loader might contain some pokes to the code to nullify such provisions.
Except for such copy-protected cartridges, if should be pretty trivial to
strip off the loader and save the rest to generate the cartridge dump.
Art
On Sun, Nov 12, 2017 at 3:16 PM, Steve Ostrom <smostrom7 at comcast.net> wrote:
> I own two of those carts, but have never made a dump. I'd be willing to
> temporarily loan one of those carts for someone to make a dump if that has
> not been done yet. How is the binary different from the dump?
>
> --- Steve ---
>
>
> -----Original Message----- From: Barry Nelson
> Sent: Sunday, November 12, 2017 1:28 PM
> To: coco at maltedmedia.com
> Subject: [Coco] Asteroids clone, Star Blaster cartridge?
>
> I just finished playing Star Blaster with my younger daughter. She got
> double my score. I noticed that the game description says it was a
> cartridge originally and was converted into a binary. I was wondering if
> anyone has a dump of the original game in cartridge form?
>
> http://www.lcurtisboyle.com/nitros9/starblaster.html <
> http://www.lcurtisboyle.com/nitros9/starblaster.html>
>
>
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