Bios Question
Bios Question
I can't find any information about the BIOS, really. I just want to know if it is *nix related. I guess we'll find out in 2038.
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Shadow
- Admin / PSXDEV
- Posts: 2233
- Joined: December 31st, 2012, 5:37 pm
- PlayStation Model: H2000/5502
Re: Bios Question
It's written in MIPS assembler directly for the R3000A with some optimised high level code to fit in 512 KB of ROM.
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
Development Computer: Windows 98, Pentium 3 [400MHz], 128MB SDRAM, DTL-H2000, DTL-H201A, 21" Sony Trinitron CRT, CD-ROM burner, 3.25" and 5.25" Floppy Diskette Drives and a ZIP 100 Diskette Drive.
Development Computer: Windows 98, Pentium 3 [400MHz], 128MB SDRAM, DTL-H2000, DTL-H201A, 21" Sony Trinitron CRT, CD-ROM burner, 3.25" and 5.25" Floppy Diskette Drives and a ZIP 100 Diskette Drive.
Re: Bios Question
Thanks, Shadow. Can you point me in the right direction for some more reading material on the BIOS?
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Shadow
- Admin / PSXDEV
- Posts: 2233
- Joined: December 31st, 2012, 5:37 pm
- PlayStation Model: H2000/5502
Re: Bios Question
What reading material exactly? The BIOS isn't open source. The only material available is anything Google has indexed from crackers and hackers messing with the BIOS via disassembly.ellison wrote:Thanks, Shadow. Can you point me in the right direction for some more reading material on the BIOS?
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
Development Computer: Windows 98, Pentium 3 [400MHz], 128MB SDRAM, DTL-H2000, DTL-H201A, 21" Sony Trinitron CRT, CD-ROM burner, 3.25" and 5.25" Floppy Diskette Drives and a ZIP 100 Diskette Drive.
Development Computer: Windows 98, Pentium 3 [400MHz], 128MB SDRAM, DTL-H2000, DTL-H201A, 21" Sony Trinitron CRT, CD-ROM burner, 3.25" and 5.25" Floppy Diskette Drives and a ZIP 100 Diskette Drive.
Re: Bios Question
Seems that way. I was just fishing for more leads on my BIOS retexture fantasy.
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Shadow
- Admin / PSXDEV
- Posts: 2233
- Joined: December 31st, 2012, 5:37 pm
- PlayStation Model: H2000/5502
Re: Bios Question
A friend of mine did that ages ago: viewtopic.php?f=62&t=55
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
Development Computer: Windows 98, Pentium 3 [400MHz], 128MB SDRAM, DTL-H2000, DTL-H201A, 21" Sony Trinitron CRT, CD-ROM burner, 3.25" and 5.25" Floppy Diskette Drives and a ZIP 100 Diskette Drive.
Development Computer: Windows 98, Pentium 3 [400MHz], 128MB SDRAM, DTL-H2000, DTL-H201A, 21" Sony Trinitron CRT, CD-ROM burner, 3.25" and 5.25" Floppy Diskette Drives and a ZIP 100 Diskette Drive.
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