>>
But the game is ORGed at $f000, so it uses only the address space between
$f400 and $f7ff. How can it hit any hotspots then?
And the game crashes *after* pressing the fire button (which causes
executing BRK), so the graphic data at the end of the ROM can't be the
reason. Right?
<<
The BRK might be the reason. IIRC, Makewav and Playbin map the 2K
into $f000-$f7ff, if the reset vector points into that area. That
means that there is nothing at $fffe-$ffff to provide a proper
BRK vector. So doubling the binary to 4K might help. Or you
could ORG the game at $f800 and use the area at $f800-$fbff for
your game.
Ciao, Eckhard Stolberg
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