CONFIG00.DAT
From Populous Wiki
Stores all of the games settings, including the ones using the cheat/debug menu.
Graphics Settings
Resolution:
0x0 is the resolution it is a byte. Its ordered in lowest resolution (640 x 480) to highest resolution of your monitor.
Example: 0 = 640 x 480 1 = 800 x 600
and the rest of the values you'll have to pull from the monitor.
WIP (Work in progress)
Raw Notes:
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Sky ON/OFF: OFFSET(d): 10 14 31 36 40 46 53 57 61 65 69 73 77 97 101 170 Notes: ON = 97, OFF = 17
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Gamma: OFFSET(d): 151 152 Notes: No idea how these work.