Re: Bolo up on Asimov and a mystery post found?

[Steve Nickolas <usotsuki@buric.co>]

On Wed, 17 Oct 2012, Hot Rod wrote:

> ...and if you want to get rid of the reboot from the demo mode, can 
> either do this:
>
> $132F: EA EA EA
>
> or this:
>
> $15DA: 60
>
> (or other variations).
>
> The demo counts two 'rounds' of playing the maze, and then calls the 
> routine at $15DA, which leads to rebooting.  Skipping the call (or just 
> returning from it) will allow the demo to continue forever (it has code 
> to reset the count back to 0 following the call, so it seems like the 
> reset was patched in by design).  Rebooting was a simple way to bring 
> back up the title screen.
>
> ]HR

Here's how I'd prolly go about this, as an initial brainstorm:

1. BRUN BOLO.PIC, and save a dump of the first HGR screen.
2. Create a concatenation of BOLO.B1, the image, and BOLO.B2.
3. Below the entry point ($1100, from BOLO.B1), a jump to an init function
   which copies $2000-3FFF up to a higher spot in memory (provided such is
   free, I don't know what memory the game itself utilizes), then blanks
   the text window and runs a new function (see below).
4. The last function moves the logo back to its original location, then
   displays it for about 5 or 10 seconds.
5. Replace the reboot with the last function; after this it would enter
   the game as normal.

Prolly doable?  At worst the screen could be stuffed up on the LC.

-uso.