gregf |
Ramtek's Trivia promoter
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Reged: 09/21/03
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Posts: 8616
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Loc: southern CA, US
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Re: Rolling Crash 2 in 1 - a discovered hardware protection check
04/17/24 05:19 PM
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Congrats to both for either stumbling upon the hardware protection check or to hap for fixing the issue and considering it may have been a protection check routine finally unearthed and documented just like one of those long hidden programmers ‘Easter egg’ codes coming to surface. A bit of trivia that might make its way to added info for the game sometime in the future.
- rollingc: add comment for IN0 bit 0
https://github.com/mamedev/mame/commit/32f6f833cadc4c7b46f4977a29559ee36a3e1877
// bit 0: Looks like simple protection for moonbase, see routine at $0EB1, gets called at $0DD2. // It checks for score overflow, and the game ends with message "YOU ARE TOO STRONG" when score // overflows from 99990 to 0. If bit 0 value = 1, the game ends prematurely when score hits 1000. -
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