I love this thread but you're overlooking the fact that MAME emulates the necessary Sharp microcontrollers to make this happen, MAME already emulates split NES ROMs via softlists, and pull requests are a thing. It would amount to code LEGO at this point to accomplish it.
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Thus far, methods of flipping the particular debug bit in-game are unknown without flipping the bit through cheats. The dip switch setting is checked only in that scenario. So basically, the dip does not activate debug, debug is activated and a feature is used if dip is switched.
So if I understand correctly, if you patch a particular byte in memory, the game starts checking the DIP switch in question, and if set, it then activates debug mode?
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A combination of having the 15th bit set, and 9th bit cleared at address 0x508000, this will allow the dip switch function to enable a debug display. The 3rd bit set at that address enables debug mode, but no checks to the physical dips.
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A couple of comments. This is definitely something we need to document as it looks to be dummied out debug materials. However, since it's not accessible normally on the hardware without modification.. (contd)
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Uusi keskustelu -
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THE CODE HAS BEEN FOUND! DIP SW #1 ON, HOLD SERVICE1 (COIN), PRESS P1 RIGHT, RIGHT, PUNCH, LEFT, RIGHT, PUNCH, KICK, RIGHT, RIGHT, UP, PUNCH. This activates the display as seen in the previous tweet. Confirmed working on real hardware, crashes in MAME.
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa
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