>>6This sounds great. I recently read some 68000 ASM source, for a matrix math library on a mid 90s 3d game for the Macintosh.
http://hastebin.com/gafecaxoco.asm It's a beautiful and horrible thing, but the game ran beautifully on ancient HW. I am not sure if you were talking about Macs when you said 68k but to do serious development on that kind of thing now you'd need to do some serious spelunking.