Odyssey2 has the 8048 which may be the most limited cpu I've ever coded on. It makes 6502 seem luxurious by comparison. I just had to try to make something on it.
I use asw.exe macro assembler 1.42 Beta [Bld 107] to assemble. I am testing binaries on o2em for DOS.
Magnavox Odyssey2 source for my tiny games