Search found 4 matches

by JsonOne
Wed Aug 21, 2024 5:37 pm
Forum: X68000, PC88, PC98
Topic: PC98 Core
Replies: 208
Views: 768148

Re: PC98 Core

Hey puu I use the DE0-CV version and would like to take a look at the FDD code to modify it to work with the IDE->SASI bios but couldn't find the code that runs in NIOS anywhere, do you know where it is?

by JsonOne
Tue Sep 27, 2022 12:54 am
Forum: X68000, PC88, PC98
Topic: PC98 Core
Replies: 208
Views: 768148

Re: PC98 Core

Because in the PC-98 of the 8086 CPU era, the HDD was SASI or SCSI, but there are many types of host adapters including third parties, and the SCSI on hand is made by a third party and only a limited number of people can obtain the BIOS for this. Also, I don't have a genuine NEC SASI / SCSI host adapter, so I can't get the BIOS. I might have disco...
by JsonOne
Sat Apr 09, 2022 11:28 pm
Forum: X68000, PC88, PC98
Topic: PC98 Core
Replies: 208
Views: 768148

Re: PC98 Core

Is the floppy code on the FPGA or ARM side? If it's on the ARM side, perhaps a software developer could take a look. Emulators generally support multiple formats and some of them are open-source. FDD code is on FPGA. The ARM side only inputs and outputs files, and the FPGA expands the .d88 image to the track image. The .d88 format is used because ...
by JsonOne
Mon Sep 27, 2021 12:46 am
Forum: X68000, PC88, PC98
Topic: PC98 Core
Replies: 208
Views: 768148

Re: PC98 Core

Has there been any update on getting hard disks working? Some of the bigger games aren't on floppy disks