I think you'll find the PCM chip is the Sega branded 315-5641. It takes all 16 data lines (which according to the memory map the PCM chip does), and it's the only device on that board I can't identify.
What do you think 315-5639(?) is, then? 315-5640 is the drawing pad controller, it seems.
I've ...
Search found 193 matches
- Fri May 23, 2008 8:57 am
- Forum: Pico
- Topic: Emulating Sega Pico
- Replies: 33
- Views: 93932
- Thu May 22, 2008 3:39 pm
- Forum: Pico
- Topic: Emulating Sega Pico
- Replies: 33
- Views: 93932
oh yes they haveEke wrote: PS: strange, it seems that nobonody has opened a Pico yet to see what's inside?

Good old friends: 68k with 315-5313A VDP + a bunch of custom/rebranded 315-XXXX chips.
- Thu May 22, 2008 12:21 pm
- Forum: Pico
- Topic: Emulating Sega Pico
- Replies: 33
- Views: 93932
Emulating Sega Pico
Sega Pico is Sega's toy with hardware similar to Genesis/MegaDrive. Recently some prototype ROMs appeared for it, and I've done some work on emulating them. The result is this little document and this little emulator.
What I have problems with is figuring out what kind of PCM format Pico is using ...
What I have problems with is figuring out what kind of PCM format Pico is using ...
- Tue May 20, 2008 9:09 am
- Forum: Video Display Processor
- Topic: VDP registers timings
- Replies: 34
- Views: 47088
- Wed May 14, 2008 11:06 am
- Forum: Regen
- Topic: Old Regen pages
- Replies: 547
- Views: 1021403
- Mon Apr 21, 2008 10:45 am
- Forum: Regen
- Topic: Old Regen pages
- Replies: 547
- Views: 1021403
- Sun Apr 13, 2008 4:39 pm
- Forum: Demos
- Topic: Ninja Fight
- Replies: 20
- Views: 26110
- Sat Apr 12, 2008 9:17 pm
- Forum: Demos
- Topic: Ninja Fight
- Replies: 20
- Views: 26110
- Sat Apr 12, 2008 8:29 pm
- Forum: Regen
- Topic: Old Regen pages
- Replies: 547
- Views: 1021403
- Sat Apr 12, 2008 7:35 pm
- Forum: Regen
- Topic: Old Regen pages
- Replies: 547
- Views: 1021403
- Thu Feb 28, 2008 8:08 pm
- Forum: Regen
- Topic: Old Regen pages
- Replies: 547
- Views: 1021403
- Thu Feb 28, 2008 1:06 pm
- Forum: Regen
- Topic: Old Regen pages
- Replies: 547
- Views: 1021403
- Thu Feb 21, 2008 9:12 am
- Forum: Regen
- Topic: Old Regen pages
- Replies: 547
- Views: 1021403