Search found 25 matches

by legacy
September 5th, 2013, 8:37 am
Forum: Other SDK
Topic: SIO Library for Tails's SDK
Replies: 4
Views: 7172

Re: SIO Library for Tails's SDK

Code: Select all


unsigned char ReadByteSIO()
{
        return *(unsigned char*)SIO_TX_RX;
}
this piece of code has no wait-uart-rx-till-ready ready, is it right ?
is it blocking by hardware ? it looks uncommon to me
by legacy
September 5th, 2013, 8:27 am
Forum: Input/Output
Topic: SIO Low Level Access
Replies: 5
Views: 7128

Re: SIO Low Level Access

danhans42 wrote:Hi,
SIO channel used for the memory cards and controllers?
SIO means "Serial IO" -> uart (asynchronous)
you probably mean "PAD" channel, which is similar to SPI (synchronous)

and your idea is a good idea!
by legacy
September 5th, 2013, 7:17 am
Forum: Work Logs / Projects
Topic: toying with the SIO
Replies: 2
Views: 3300

toying with the SIO

hi guys any asm source around to toy with the psOne & playstation1 SIO-uart port which does not use the BIOS at all ? I mean something that access directly the SIO registers. I am planning to remove the psx's bios replacing the firmware with a bareboard piece of code, so the SIO will be my std-IO fo...
by legacy
September 5th, 2013, 5:41 am
Forum: Work Logs / Projects
Topic: PSone BIOS modding project
Replies: 28
Views: 47537

Re: PSone BIOS modding project

i am planning to replace the PSone's bios with a NVram @ 3.3V
also i am planning to do the same on an old playstation1.

i'd like to replace the firmware, too, with something extremely easy and essential, just to toy with the uart.
by legacy
September 5th, 2013, 3:50 am
Forum: Work Logs / Projects
Topic: PSone BIOS modding project
Replies: 28
Views: 47537

Re: PSone BIOS modding project

hi
does anybody has the Sony Playstation1's bios pinout ?