Search found 5 matches

by galibert
Fri Mar 10, 2023 10:32 am
Forum: Atari ST / STe
Topic: IPF Support
Replies: 54
Views: 12029

Re: IPF Support

If someone who actually does the work and who has doubts about the license asks me to dual-license, I will.

by galibert
Fri Mar 10, 2023 10:10 am
Forum: Atari ST / STe
Topic: IPF Support
Replies: 54
Views: 12029

Re: IPF Support

Bas wrote: Fri Mar 10, 2023 9:55 am

BSD code is legally not GPL-compatible. What gives you that idea?

We chose our variant of BSD for it to be compatible. And in any case I can dual-license the code to GPL if necessary, I'm the copyright holder in the first place.

by galibert
Fri Mar 10, 2023 10:00 am
Forum: Atari ST / STe
Topic: IPF Support
Replies: 54
Views: 12029

Re: IPF Support

Malor wrote: Mon Jan 16, 2023 10:56 am

The A500 Minimig core is cycle-exact, and the ST is a far simpler machine, so that shouldn't be out of reach there, either.

Technically, the wd1772 (in the ST) is a lot more complicated than paula's floppy support.

by galibert
Fri Mar 10, 2023 9:47 am
Forum: Atari ST / STe
Topic: IPF Support
Replies: 54
Views: 12029

Re: IPF Support

The MAME IPF code is BSD (e.g. perfectly GPL-compatible) and handles every IPF I've thrown at it. It's at https://github.com/mamedev/mame/blob/master/src/lib/formats/ipf_dsk.cpp The current wd1772 verilog code in, at least, https://github.com/MiSTer-devel/AtariST_MiSTer, is not capable of handling a floppy disk at a low enough level to handle prote...
by galibert
Sun Jan 03, 2021 9:45 pm
Forum: Official Addon Boards
Topic: SDRAM Reliability
Replies: 36
Views: 36859

Re: SDRAM Reliability

Sorgelig wrote: Sun Dec 27, 2020 6:00 pm Aside from SDRAM...
I was wondering, why sdram? synchronous static ram would give you an access every cycle, it seems (pipelined), and memory bandwidth on random access is a real problem, especially for arcade...

OG.