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We have been operating since 2012 providing users with a place for free information, free downloads & zero ads.
It has always been a safe and clean forum with no spam for other members interested in the PlayStation 1 to meet and make new friendships.
It's a place for those who are interested in learning about programming, reverse engineering and experimenting with hardware/software for the console.
We have never asked for donations before but it has reached the point where the server costs are becoming too much for us.
We would like to politely ask that if you use this site that you donate any amount you can to show your support to assist with the hosting fees in order to keep PSXDEV.NET alive.
Users who donate will be rewarded with a new profile rank on their account badge

Just be sure to include your handle/alias when sending the donation or message me here with your BTC address.
Bitcoin: 1GqS7rr8jYPzT4Lp9Uua3D5thUH8ZnWyD8
Thank you for your contribution


Net Yaroze Boot Disc (Cracked) for SIOCONS.exe
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Shadow Verified
- Admin / PSXDEV
- Posts: 2663
- Joined: Dec 31, 2012
- PlayStation Model: H2000/5502
- Discord: Shadow^PSXDEV
Net Yaroze Boot Disc (Cracked) for SIOCONS.exe
This is the Net Yaroze (DTL-H3000) Boot Disc used for SIOCONS.exe.
It has been cracked (no access card needed), and patched for Europe (PAL).
I have fixed this disc by re-mastering it, so the annoying boot time is now fixed compared with other versions floating around the Internet (took me just over an hour to recreate the CTI sheet).
If anyone want's to know how it is cracked, search the original disc image for:
F3 B6 01 0C 00 00 00 00 D2 BF 01 08 00 00 00 00.
If anyone wants to know the Gameshark codes to patch it, they are:
8006FF90 0000
8006FF92 0000
8006FF88 0000
8006FF8A 0000
http://psxdev.net/downloads/DTL_S3035_CRACKED.zip
It has been cracked (no access card needed), and patched for Europe (PAL).
I have fixed this disc by re-mastering it, so the annoying boot time is now fixed compared with other versions floating around the Internet (took me just over an hour to recreate the CTI sheet).
If anyone want's to know how it is cracked, search the original disc image for:
F3 B6 01 0C 00 00 00 00 D2 BF 01 08 00 00 00 00.
If anyone wants to know the Gameshark codes to patch it, they are:
8006FF90 0000
8006FF92 0000
8006FF88 0000
8006FF8A 0000
http://psxdev.net/downloads/DTL_S3035_CRACKED.zip
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), PSIO Switch Board, DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
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gwald Verified
- 1997 Yaroze Enthusiast
- Posts: 272
- Joined: Sep 18, 2013
- I am a: programmer/DBA
- PlayStation Model: Net Yaroze
- Location: Australia
- Contact:
Hi,
Just letting you know this ISO doesn't work.
I've downloaded it and extracted the ISO correctly, burning and mounting in linux fails.
The uncracked one works fine, but its a CUE/BIN, I'll try recreating it per your info.
Cheers
Just letting you know this ISO doesn't work.
I've downloaded it and extracted the ISO correctly, burning and mounting in linux fails.
The uncracked one works fine, but its a CUE/BIN, I'll try recreating it per your info.
Cheers
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Shadow Verified
- Admin / PSXDEV
- Posts: 2663
- Joined: Dec 31, 2012
- PlayStation Model: H2000/5502
- Discord: Shadow^PSXDEV
What console did you boot it on?gwald wrote:Hi,
Just letting you know this ISO doesn't work.
I've downloaded it and extracted the ISO correctly, burning and mounting in linux fails.
The uncracked one works fine, but its a CUE/BIN, I'll try recreating it per your info.
Cheers
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), PSIO Switch Board, DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
Hi,
I'm going to acquire a japanese net yaroze next month, it is complete in box except for the access card.
Do these gameshark codes work for the japanese version of the net yaroze disc ?
I'm going to acquire a japanese net yaroze next month, it is complete in box except for the access card.
Do these gameshark codes work for the japanese version of the net yaroze disc ?
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Shadow Verified
- Admin / PSXDEV
- Posts: 2663
- Joined: Dec 31, 2012
- PlayStation Model: H2000/5502
- Discord: Shadow^PSXDEV
The PS-EXE in the disc image is Japanese licensed, so I assume it will be Japanese based.
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), PSIO Switch Board, DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
So it means the gameshark codes will not work with the japanese version (DTL-S3030 boot disk) ? If so, is it complicated to find the correct values to modify with a gameshark to make it boot without an access card ? I have installed the no$psx emulator and booted the japanese iso but it seems to emulate the access card since it displays "OK" when checking for an access card, so I wasn't able to track down the line that checks if the access card is plugged in during debug.
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Shadow Verified
- Admin / PSXDEV
- Posts: 2663
- Joined: Dec 31, 2012
- PlayStation Model: H2000/5502
- Discord: Shadow^PSXDEV
It works under NO$PSX because the image I uploaded is cracked already. Also, the Gameshark codes are the offset in memory where the check takes place (that's assuming they are infact the codes for the Japanese disc).
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), PSIO Switch Board, DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
Ok so that means that if I use an action replay and input the following gameshark codes :
8006FF90 0000
8006FF92 0000
8006FF88 0000
8006FF8A 0000
I will be able to use the japanese boot disk (DTL-S3030) on my net yaroze ?
Sorry if I am being insistant, I want to be sure before buying the net yaroze I saw that I will be able to develop games on it since it's pretty expensive.
Thank you for your patience.
8006FF90 0000
8006FF92 0000
8006FF88 0000
8006FF8A 0000
I will be able to use the japanese boot disk (DTL-S3030) on my net yaroze ?
Sorry if I am being insistant, I want to be sure before buying the net yaroze I saw that I will be able to develop games on it since it's pretty expensive.
Thank you for your patience.
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Shadow Verified
- Admin / PSXDEV
- Posts: 2663
- Joined: Dec 31, 2012
- PlayStation Model: H2000/5502
- Discord: Shadow^PSXDEV
I wouldn't recommend buying and using a Net Yaroze to develop games. It's a waste of your money and a horrible way to do it (it's slow, limited and you can't use modern tools). Instead use Psy-Q under Visual Studio Code.LeqiWi wrote: ↑September 27th, 2022, 11:09 pm Ok so that means that if I use an action replay and input the following gameshark codes :
8006FF90 0000
8006FF92 0000
8006FF88 0000
8006FF8A 0000
I will be able to use the japanese boot disk (DTL-S3030) on my net yaroze ?
Sorry if I am being insistant, I want to be sure before buying the net yaroze I saw that I will be able to develop games on it since it's pretty expensive.
Thank you for your patience.
https://github.com/NDR008/VSCodePSX
Start making stuff under emulation first (use NO$PSX or DuckStation) and then once you've spent over 3 months doing that, start looking into getting your code onto your real PlayStation console either by using an USB FTDI adapter connected to the serial port or a development cartridge like PSIO.
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), PSIO Switch Board, DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
Thank you for the tips, you are right, I will definitely going to start developing games using emulation.
As for the net yaroze, in the end, I think I'm going to get it for my personal video game collection and once my first game is finished, I'll try to play on it just for the fun of it.
Thank you for taking the time to respond to my questions, have a nice day !
As for the net yaroze, in the end, I think I'm going to get it for my personal video game collection and once my first game is finished, I'll try to play on it just for the fun of it.
Thank you for taking the time to respond to my questions, have a nice day !

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brill Verified
- Active PSXDEV User
- Posts: 58
- Joined: Apr 30, 2013
- PlayStation Model: SCPH-7502
- Location: Ukraine, Odessa
- Contact:
Dongle Crack for DTL-S3030 (Japanese Boot Disc for the Net Yaroze/PlayStation)
80077628 0000
8007762A 0000
80077630 0000
80077632 0000
80077628 0000
8007762A 0000
80077630 0000
80077632 0000
Dev console: SCPH-7502 + Xplorer with CAETLA 0.37
Dev PC: Windows 98 SE, Celeron at 633MHz, 128MB RAM, 20GB HDD
Dev PC: Windows 98 SE, Celeron at 633MHz, 128MB RAM, 20GB HDD
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Shadow Verified
- Admin / PSXDEV
- Posts: 2663
- Joined: Dec 31, 2012
- PlayStation Model: H2000/5502
- Discord: Shadow^PSXDEV
Excellent! So the codes I have in my OP are in fact for a different region of the disc.
Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), PSIO Switch Board, DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
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brill Verified
- Active PSXDEV User
- Posts: 58
- Joined: Apr 30, 2013
- PlayStation Model: SCPH-7502
- Location: Ukraine, Odessa
- Contact:
Shadow, yes, the Access Card verification codes on the European and Japanese discs are different.
Some disassembled listing
For DTL-S3035 (Europe Boot-CD)
For DTL-S3030 (Japanese Boot-CD)
Some disassembled listing
For DTL-S3035 (Europe Boot-CD)
Code: Select all
8006FF80 loc_8006FF80:
8006FF80 li $a0, aNotFound # "NOT FOUND\r"
8006FF88 jal sub_8006DBCC # Replace with the NOP command
8006FF8C nop
8006FF90 j loc_8006FF48 # Replace with the NOP command
8006FF94 nop
Code: Select all
80077620 loc_80077620:
80077620 li $a0, aNotFound # "NOT FOUND\r"
80077628 jal sub_800756DC # Replace with the NOP command
8007762C nop
80077630 j loc_800775E8 # Replace with the NOP command
80077634 nop
Dev console: SCPH-7502 + Xplorer with CAETLA 0.37
Dev PC: Windows 98 SE, Celeron at 633MHz, 128MB RAM, 20GB HDD
Dev PC: Windows 98 SE, Celeron at 633MHz, 128MB RAM, 20GB HDD
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Shadow Verified
- Admin / PSXDEV
- Posts: 2663
- Joined: Dec 31, 2012
- PlayStation Model: H2000/5502
- Discord: Shadow^PSXDEV
Of course they would be. The program is ran from memory at a completely different location, but my confusion was that the codes I had in my original post were in fact for the Japanese disc (when it turns out as we now know that they are not)

Development Console: SCPH-5502 with 8MB RAM, MM3 Modchip, PAL 60 Colour Modification (for NTSC), PSIO Switch Board, DB-9 breakout headers for both RGB and Serial output and an Xplorer with CAETLA 0.34.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
PlayStation Development PC: Windows 98 SE, Pentium 3 at 400MHz, 128MB SDRAM, DTL-H2000, DTL-H2010, DTL-H201A, DTL-S2020 (with 4GB SCSI-2 HDD), 21" Sony G420, CD-R burner, 3.25" and 5.25" Floppy Diskette Drives, ZIP 100 Diskette Drive and an IBM Model M keyboard.
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