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(1 edit)

Well, none of us is a plus/4 user so i guess we won't comment on what plus/4 users want/like/need. But if anybody is interested in driving he port forward - please get in touch with me. it shouldn't be very complicated. And if one wants to enhance the gfx - feel free. Although memory might be an issue.

(1 edit)

After thinking a bit more about it: If I would port it, I would target a cartridge. The TED architecture allows mapping 32KB of cartridge ROM and built-in bankswitching with 2 banks. This means that the speedcode that the C128 version uses, can move to cartridge ROM and be executed directly from ROM. 

The combination of speedcode and slightly higher CPU speed (compared to C64) may make the speed acceptable, allthough the Plus/4 still lacks the MMU tricks that you can do on the C128.

Choosing for a cartridge also allows solving the sound problem: The Plus/4 allows sound input from cartridge, so you could add sound capability to the cartridge. Perhaps a low-cost SwinSID or so, C64 users would look down on a SwinSID, but for a Plus/4 game it would be a game changer.