Search found 3 matches

by Gradius2
Fri Feb 05, 2021 5:37 pm
Forum: Sony PlayStation (PSX)
Topic: PlayStation
Replies: 138
Views: 117610

Re: PlayStation

Sorry for may be too rude word, but it's bullshit.. - I/O count has no sense at all, it's related to specific chip and dictated by board and functions. There are CycV with a lot of I/O pins, and there are CycIV with small amount of I/O pins. It has nothing to do with internal modules. Isn't bs, is just a conversion. They mention as 'pin', where is...
by Gradius2
Fri Feb 05, 2021 7:55 am
Forum: Sony PlayStation (PSX)
Topic: PlayStation
Replies: 138
Views: 117610

Re: PlayStation

True. They have it running on a Terasic DE2-115 FPGA board, which hosts a Cyclone IV and 114,480 logic elements while the DE10-nano has a Cyclone V with 110K LEs. R3000A uses 7660 LE (it exists since 2014): https://github.com/alfikpl/aoR3000 Funcions: 7174 Registers: 2633 I/O: 115 (IV has 528 / V has 145) Memory bits: 61,616 (out of 5,703,680) 9-b...
by Gradius2
Fri Feb 05, 2021 6:15 am
Forum: Sony PlayStation (PSX)
Topic: PlayStation
Replies: 138
Views: 117610

Re: PlayStation

The pgate1 guy is indeed legitm as he already posted a lot of code and keep it updated, while the other (laxer3a/cat guy), haven't published a SINGLE line of code so far! Code here: https://github.com/pgate1/PlayStation_on_FPGA So beware of that cat guy (until proven otherwise), he keeps asking for donations (aka patreon). Edit: ops, haven't saw th...