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by thanatos519 1624 days ago
https://www.retro-exo.com/exodos.html has "eXoDOS/eXo/eXoDOS/Bubble Bobble (1988).zip" which you could try with DOSBox. Other commenters mentioned that the DOS screenshots use the red/green/yellow CGA palette but plenty of CGA games switched video modes for a tiny extra bit of variety.
2 comments
rzzzt 1624 days ago
On that note, does anyone know whether the original IBM TTL monitors supported "hardware emulation" of alternative palettes?

On a compatible Amptron(?) display we had, the brightness and contrast pots had an integrated switch. If you pulled on the brightness adjuster, it switched to a green-black monochrome palette, while the contrast control switched it to the red-green-yellow palette.

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thanatos519 1624 days ago
I just played it and it's pretty fun. If I force CGA mode, the Taito title screen is in white/cyan/magenta but the rest of the game (first two levels at least) are in yellow/green/red.
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