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SainT last won the day on July 30 2023
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The Mega7800 allows you to use Mega Drive / Master System controllers on the 7800 and 2600. While the Mega Drive controller plugged in *does* work, it's not ideal as +5V is in the wrong place. I don't think you should be able to damage the Mega Drive controller as nothing will be shorting out, but it's just not ideal.
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Nice! I can add those in. 👍
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Yes, it depends on the console. I have added RAM cheats and save states to the 7800GD for example. Unfortunately the Lynx is just a console where this is not possible, unfortunately! However if you fancy a challenge, try finding some ROM hacks for any other Lynx games! I don’t think there are any ‘easy’ ones left…
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Nothing else has been added, so that’s the full list. RAM cheats are not possible. Think of the Lynx cartridge as a memory card. There is no access to the running system / bus from the cartridge (unlike most other consoles), it is purely a storage device which is accessed sequentially. All cheats were found using a custom version of Handy which allowed me to find them more easily. When a cheat is identified you then have to search the ROM to see if you can find and patch the corresponding code. It’s not always possible, as some games are compressed. All the cheats currently found are the easy ones where games are not compressed or otherwise obfuscated.
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Very odd, I’ve never seen that before myself — it may have something to do with the memory card, or just power issues with the Jaguar in general. And if a ROM boots, it should work (the cart checks it’s not damaged / corrupted before boot), so failing during play points more toward the Jaguar being marginal than anything else. You may find a recap and new voltage regulator will help.
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How the firmware is updated.
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Popeye and Keystone Koppers wont run!
SainT replied to MykeNytemare's topic in 7800 GameDrive Support
Hmm, these do run. If you found the ROMs in threads, it may be the headers are incorrect. Are there versions in Trebor's pack for these games? 99 times out of 100, if the game doesn't run, the header is incorrect. The 7800GD really does need the header to accurately describe what hardware is needed to run it, I don't make any guesses that the header is wrong and it's probably something else that is needed (as many 7800 emulators do). And just make sure you have the latest firmware. If everything else is running, I don't think this is the issue, but it's worth checking. -
You can get the latest for the original cart here -- https://www.retrohq.co.uk/product/jaggd/firmware-220509.zip The direct link was removed from the website as I was getting too many people trying to download it and use it with the newer carts.
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The Official Analogue Pocket Thread!
SainT replied to Rick Dangerous's topic in Classic Console Discussion
The new style cart works just fine, and with firmware 1.07 (and the next analogue pocket firmware) the save states work correctly with games loaded from the GD. The next AP firmware should also sort problems with the older style Lynx GD cart, which currently does not currently work.- 274 replies
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- analogue pocket
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Bentley Bear - Mega 7800 or GameDrive conflict?
SainT replied to gorfcadet's topic in 7800 GameDrive Support
You see when you fire you speed up? Hold that button down, then jump. It's the same as Mario. -
That’s basically all of the ‘easy’ ones which I could find. If anyone else wants to contribute any ROM hacks, I can add them, but I don’t have a lot of time to be working on finding cheats unfortunately. And any hacks need to be *ROM* hacks, not memory. The ones listed above are memory hacks which are not possible on the Lynx.
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Trouble with AV output to certain TVs (that worked previously)
SainT replied to Erzak's topic in 7800 GameDrive Support
Also make sure the cable is plugged into the cart firmly, I've had cables make poor connection before now and it's thrown me thinking I had a hardware issue, but it just needed the cable pushing in. -
Projet Bluetooth joysticks on Atari 7800 with ESP32, tested OK.
SainT replied to nobru's topic in Atari 7800
I’m not quite sure what you mean. What I’m trying to say is, if LEFT and RIGHT or UP and DOWN are pressed at the same time (which is normally impossible for a controller) when the 7800GD is running then it will act is if the START or Z button has been passed on a Genesis pad connected to the Mega7800. Functionality has only been recently added for this to the 7800GD. -
Projet Bluetooth joysticks on Atari 7800 with ESP32, tested OK.
SainT replied to nobru's topic in Atari 7800
I've added support for other types of controller adapters to allow BREAK via a button. So on your adapter if you map a button to LEFT+RIGHT (pressed at the same time) and one to UP+DOWN then you will have BREAK and (I think) quick save state. -
Analogue Pocket Lynx Adapter Now Part of $99 Package
SainT replied to gilsaluki's topic in Atari Lynx
I'm guessing the AP doesn't keep retrying long enough. The original Lynx cart takes quite a while to read the menu into memory and release the bus for the Lynx to actually read it. The new LynxGD model works, however.