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Playin 2600 Mountain King on an Atari 7800


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This wouldn't work. Mountain King (accidentally?) reads some bytes from the TIA input registers as level data. For these registers only the two topmost bits have a defined state. On the 2600 the other bits stay at whatever data was on the bus last. In the 7800 this behaviour was changed. The unused bits are always set to 0. Therefore you get different values which results in a different setup for the upper regions in Mountain King, which won't give you any oppertunity to climb up there.



Ciao, Eckhard Stolberg

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