Thanks for the feedback Phil.
Unfortunately, I wasted considerable time on adding a “simple” DLI, and it turned out to be anything but simple. The address of video data is set at the beginning and middle of a DLIST, and thus cannot be changed on the fly. To switch video mode after 8 lines requires re-ordering the data buffers, and adding 2 DLIs (for top and bottom row). But then, the pixel setting/getting algorithm must be customized, and so on… and I just run-out of memory.
It is not possible to change the road color on the fly because color are used to compute the car speed, with only 9 colors available almost eveyone is used for something (walls, marking…).
I delayed release of the game for 6 months trying to come up with a solution to the text color being unreadable, and I think that this is the best compromise I could come up with: reduced flicker, and still ability to set a static screen.
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