At 11:33 30.03.2000 +0200, you wrote:
>This concept is interesting, but a problem could be that if have a program
>that has a "very bad kernel" to achieve an interesting effect, it could
>have a different behavior depending on the TV set you play it.
Or depending on the console you play it on. Like Kool Aide Man,
which cannot be played on PAL machines (at least not on mine)
and on most emulators, since the author wasn't able to write
a proper sprite positioning routine. It hits RESP0 and RESP1
too soon after a HMOVE, which causes the players to be placed
on different positions than they normally would. Since the
horizontal timing of PAL TVs and VCSs is a little different,
the player positioning is different in this special case.
This causes the score display graphics to be on top of each other,
which constantly triggers the collision detection, which makes
the game unplayable. Even Z26 has to cheat on this one and uses
a special handling routine for this game.
Ciao, Eckhard Stolberg
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