Gameshark inside
- Dedok179
- Serious PSXDEV User
- Posts: 86
- Joined: Jun 11, 2015
- I am a: Programmer, Beginning reverser
- PlayStation Model: SCPH-5502
- Discord: Dedok179#2632
- Location: Tula,RU
Gameshark inside
People, did anyone try to reverse the CD version of Gameshark? Or maybe someone has the source code? I'd like to understand how the cheat code system is implemented in it. I tried to reverse it, but because of not very good ownership of the assembler, I could not do it.
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Shadow Verified
- Admin / PSXDEV
- Posts: 2670
- Joined: Dec 31, 2012
- PlayStation Model: H2000/5502
- Discord: Shadow^PSXDEV
Action Replay V3 and V2 source. Not the full source though as it's missing some crucial stuff in regards to the low-level hooks and kernel handlers so it's pretty much useless. As for how the cheats work though, it might be useful
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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.
- Dedok179
- Serious PSXDEV User
- Posts: 86
- Joined: Jun 11, 2015
- I am a: Programmer, Beginning reverser
- PlayStation Model: SCPH-5502
- Discord: Dedok179#2632
- Location: Tula,RU
Yes, I saw how cheat codes are implemented. Not at all like in my implementation. In any case, very useful information for study, thank you very much.
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