I hacked together an even more cool River Raid patch. The plane graphics
are stored at offset $CC0 (for the normal plane) and $CD0 (for the angled
moving-sideways plane.) If you put all zeroes into those locations, the
game will never draw the plane, which means it can't collide with anything!
The patch to do that in DOS would be:
debug riveraid.bin
-f DC0 DCF 0
-f DD0 DDF 0
-e 3E7 A9 FF 85 B8 EA EA
-w
-q
The 'f' lines fill zeroes into the plane graphics area. The 'e' line is my
infinite-fuel hack again, for those that missed it. You'll run out of fuel
pretty quick if you can never collide with a fuel tank. :) Play and enjoy,
and let us know if the game does ever end.
For a really intensely cool effect, use just the first 'f' line but *not*
the second. (optionally not the 'e' line either). This will blank out the
graphics for when the plane is holding still, but not for when it's moving.
As long as you hold still, you've got an invisible invulnerable stealth
plane! The game is *very* interesting if you play this way, without the
infinite-fuel hack - trying to refuel is quite tricky, but being able to
cloak yourself out of any situation is intensely cool! :)
(again, all this only tested on PCAE)
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