I found this interesting non-CPU computer by Dennis Kuschel some time ago. I especially like this racing game (CarDriver) on a small display. Text program and source codes (ASM) are available.
Some part of the code for the road (CC-BY-SA)
;1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
lcdline1 DB " F / A F D------ A F / A F F / A F", " F / "
lcdline2 DB " F F / D-E B----C D----E B----C D---E A F D---C D--E A ", " F F / D-E"
lcdline3 DB "-------C / A D-----C F A / F A B---C / F A B", "-------C / "
lcdline4 DB " / F B-------------C F F F B------------C F A D---C F A ", " / F "
DB 0
TRACK_LENGTH SET 100
;[A] ;[B] ;[C] ;[D] ;[E] ;[F] ;[G] [H]
;..... ;..... ;..... ;..... ;..... ;..... ;..... .....
;#.... ;#.... ;....# ;..... ;..... ;.###. ;....# ##...
;.#... ;.#... ;...#. ;..... ;..... ;##### ;##..# ..#..
;..#.. ;..### ;###.. ;..### ;###.. ;.###. ;.#### ####.
;...#. ;..... ;..... ;.#... ;...#. ;..#.. ;.#### #####
;....# ;..... ;..... ;#.... ;....# ;..#.. ;.##.. ..##.
;..... ;..... ;..... ;..... ;..... ;..#.. ;..... .....
;..... ;..... ;..... ;..... ;..... ;..... ;..... .....
