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REVEALED: Mystery hardware, any guesses?


RevEng

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By the gender of the cables, I'd guess that it's to use the PC as an adapter allowing any PC friendly controller to be used with the 2600/7800.

Or, maybe, along with a video capture card it's a way to let some sort of software on the PC auto-play 2600/7800 games.

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It is a rom tester that goes from your computer to the 7800 joystick port. You use it with a special cart that a certain CPU master has made. It like the Cuttle Cart II using the serial cable. You compile your program and send it to the usb port and it runs your program on a real 7800 instantly.

 

Allan

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Quality-looking product, even including a nice ferite ring to reduce interference, so integrity of data must be important. I'm going to make a very wild guess, based patly due to the availabilty of BASIC, now, on the 7800. ;) Peripheral emulator? Not just for transfering files or loading ROMs, but also simulating disk drives, like on the A8, or other output devices like modems, printers via the PC.

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Twenty questions?

 

Known:

It is hardware.

It is posted in the 7800 forum.

It has a joystick plug (game system) and a USB plug (computer system).

RevEng has been working on 7800 Basic.

CPUWiz has been working on 7800 hardware.

 

If it isn't a dumper to get data OUT of the 7800, it must be for putting data INTO the 7800.

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Cool. I just want to have 7800basic put the signed rom into a folder, hit the 7800 power button, pick up the joystick and test. The least amount of steps the better. Right now I have to bring the SD card back and forth between the computer and the 7800 with the CuttleCart. It's a pain. I do have the serial cable for it but I have never tried it.

 

Allan

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You need one two more steps, you need to click on "Load ROM Image" and "Program" in my Windows GUI, that controls the brain of the black box (microcontroller driven BIOS, I wrote). The brain controls the cart and gives it instructions. I am lazy and can't stand programming EPROM's over and over to test something. It had to be done. The first revision of this is controlled by Eckhard's DevOS, which I modded for my MegaCart+, and can be used with his cable. RevEng has it in his posession now.

 

This iteration has a custom protocol I made, it uses more than just UDLR. The BIOS in the box, controls the BIOS in the cart (wait until you see the crazy animation!) and even better, you can control it from the GUI. You can switch to just loading a xK block (smallest block size is 256 bytes) to address $XXXX (the address space is larger than 48K, but has no bankswitching). So lets say you are working on a 48K game, you can use extra memory for development (or release). Oh yeah, and all memory that you have access to, is all read/write. :D

 

And to top it off, if you turn off the machine or unplug the cart and take it somewhere else, the contents are still around (NVRAM). ;)

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You need one two more steps, you need to click on "Load ROM Image" and "Program" in my Windows GUI, that controls the brain of the black box (microcontroller driven BIOS, I wrote). The brain controls the cart and gives it instructions. I am lazy and can't stand programming EPROM's over and over to test something. It had to be done. The first revision of this is controlled by Eckhard's DevOS, which I modded for my MegaCart+, and can be used with his cable. RevEng has it in his posession now.

 

This iteration has a custom protocol I made, it uses more than just UDLR. The BIOS in the box, controls the BIOS in the cart (wait until you see the crazy animation!) and even better, you can control it from the GUI. You can switch to just loading a xK block (smallest block size is 256 bytes) to address $XXXX (the address space is larger than 48K, but has no bankswitching). So lets say you are working on a 48K game, you can use extra memory for development (or release). Oh yeah, and all memory that you have access to, is all read/write. :D

 

And to top it off, if you turn off the machine or unplug the cart and take it somewhere else, the contents are still around (NVRAM). ;)

But you won't need a 7800 modded with Eckhard's DevOS to use the final version, right?

 

Allan

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