G.4.4 M68K Features
- One of those features must be always present.
The feature that is present determines which flavor of m68k is
used. The feature that is present should contain registers
d0 through d7, a0 through a5, fp,
sp, ps and pc.
- This feature is optional. If present, it should contain registers fp0 through fp7, fpcontrol, fpstatus and fpiaddr.