The 68020/030/040/060 do support an FPU, either as a coprocessor
(68881/2) or built-in (68040/68060). That's why System V release 4
- (SVR4) instroduces a new calling convention specified by the SVR4
+ (SVR4) introduces a new calling convention specified by the SVR4
psABI. Integer values are returned in %d0/%d1, pointer return
values in %a0 and floating values in %fp0. When calling functions
returning a structure the caller should pass a pointer to a buffer