![]() I've tested building Mednafen using Linux Mint xfce 20.1 on Oracle VM Virtual Box and applying your suggestions to the source code. WriteResult(0x00) // Number of SCEx strings received? (Stays at zero on music CD)Ĭhanging 0x00 to 0xFF will probably trigger anti-modchip protections, though it's technically not replicating the exact side effects of early modchips. I'm trying to activate Anti-Modchip protection so that the game shows me this error message. Thanks for your reply, but I'm not looking for. #EPSXE CRASH TEAM RACING PATCH PATCH#You can bypass laserlock protection appling a sbi patch on the cd image, Mednafen can apply this patch also on the fly without touch your cd image, you need to put this patch named as the cd image in the same folder that contain the cd image. #EPSXE CRASH TEAM RACING PATCH CODE#My question is: which part of the source code would be necessary to edit, so that Mednafen triggers Anti-Modchip protection? Has anyone had any experience triggering this anti-piracy measure? ![]() I don't have much experience editing source codes, with the only one that I had was when editing SNES 9x source code to include more SRAM. I consulted with its contributors on Discord and they suggested that I edit the source code of an emulator in such a way that it constantly injects region data. I'm trying to document Anti-Piracy features in PlayStation games on The Cutting Room Floor. I was able to trigger it without any tinkering on pSX 1.13 emulator, although because the emulator is not very accurate, the graphics for the error message are slightly different than what they should be, looking something like this. On the other hand, emulators usually don't trigger Anti-Modchip. ![]() Now, games with LibCrypt trigger in emulators just fine, because they use subchannel data on the disc to activate the measure. reddo hando purotekuto, or RHP for short) Earlier versions had a sign with a red hand, hence the Japanese naming for this protection: Red Hand Protect. When it triggers, it will show an error screen. As earlier modchips were active by default through injecting disc region data when a disc is inserted, all that it needs to trigger Anti-Modchip is by simply returning data from an active modchip when requested. The way Anti-Modchip functions is pretty straightforward. ![]() used either one of them, depending on where they were released. The first one is Anti-Modchip, used mostly in games released in Japan, North America and (sometimes) PAL regions, and the other one is LibCrypt, used primarily in games released in PAL regions (Europe, Australia, Oceania and South Africa) Games such as Silent Hill, Crash Team Racing, Crash Bash etc. To make a long story short, Sony developed two systems to curb the use of modchips and illegal copies that where instrumental in the spread of piracy on the PlayStation. Specifically, about anti-piracy features in games released post 1998. Home » Mednafen » Development » Triggering Anti-Modchip Show: Today's Messages :: Show Polls :: Message Navigator ![]()
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