Notice that there is also the 586 with quite a lot of work done from what we can read at
https://opencores.org/projects/v586 ... to keep in mind, some modules can be re-used.
omikron wrote:Sord contins Nec's gate array. But it is documented and contains address decoders for memory and IO, and ports to send a byte to printer and to relay that remote controls the tape's motor.
JimDrew wrote:You might want to consider the 040 internal version of the FPU, which is simplified. I have test code for 881/882/040/060 FPUs that I can run if someone is going to create FPU support.