There's been some downports. They tend to be slow, some of them using things like rendering using 80x50 text modes in 16 colours to reduce the "pixel" count.
I recall trying a Wolfenstein 3-D downport and it was getting about 5 fps on a NEC V40 (80188-equivalent) at 8MHz.
I recall trying a Wolfenstein 3-D downport and it was getting about 5 fps on a NEC V40 (80188-equivalent) at 8MHz.