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I've got them here https://www.jammarcade.net/wiki/index.php?title=Arcade

Sounds like your programming the security bit. If this is the case then the read back will be all 1's. Look for the option to disable that and try again for peace of mind.

Exactly. Seen it in loads of pals. I normally just end up manually recreating at this point.

It might have implemented latches in the original which the 020 adapter wouldn't pick up

You could very well be right. Those ones were taken from a prototype board I dumped years ago. All the pals were unlocked but their names were all different so wasn't really sure at the time what was a match for what. I think the locations were completely different too as the board was a proto...

Hi, Could you send me your PAL dump, please? I'd like to check it out Thanks

OK. I don't have the chip available but will keep an eye out for one. Any chance you can send a pic of the sound PCB please?

What is the device type of the original chip?

This particular pal has had a strange past. I originally bruteforced it and tested it on my own PCBs at the time with no issues. Sometime later a guy said it didn't work for him. I eventually found one of these that was unlocked and the guy said that worked for him. Its possible I guess that...

Did you erase the chip before programming? Can you send me the re-read of your device.

Which Jed file is it you downloaded? Have you tried reading the gal chip back once you programmed it?

All the PAL chips can be secured. Occasionally you will find them to be unprotected and its definately worth trying to read them out in a programmer. If it reads back full of 1's then its most likely protected. Chips like the PLS153 etc cannot be protected and any supporting programmer can read...

Then thats why its not working. You are in the wrong directory chances are you have jedutil in a folder thats part of your path so you are able to run it regardless of your current directoy. You need to navigate your command prompt to where the file actually is

Can you go back to that directory in the command prompt and type "dir" (no quote marks) so we can confirm the file is actually there

Depending on what you find on those 2 pins i might be able to convert that file. As it stands it wont convert but there are other things we can try

could you do me a favor and check pins 17 and 19 with a logic probe for me and tell me what they are doing? They are unused according to the fusemap but I want to be sure they actually dont do anything on the pcb

Hotlink protection kicking in i think

Thats the hotlink protection. Im not web site savvy enough to be able to select which files are and arent covered by it

Ive not owned a Boardmaster for a while now but you are correct. I bruteforce them and while the outcome may be a useable recreation it may not necessarily be exactly whats originally programmed. It is much easier just to say they were dumped though :-) I was referring to the ones i actually...

A lot of the pals i dumped were converted to GAL format and tested that way without issues. Steph, any chance you could email me one of those 'true' binary dumps? Would be interested to see as it must be something Needham dreamt up. I do own two EMP-20's but dont have a computer setup to use...