Options for Conversion of this MVS Boot?

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    • twistedsymphony wrote:

      I've been working on trying to convert a PROG BK1 and CHA 256 to Money Puzzle Exchanger.

      Since the CHA256 board was barely documented, and I was having some graphics and sound issues I spent some time with a multimeter and figured out what all the jumpers are for. here are the results:

      If using 27c010 for M1
      J2, J3 - jumped
      J1, J4 - open

      If using 27c301 for M1
      J1, J4 - jumped
      J2, J3 - open

      If the Largest C-ROM is a 27c322
      J9, J10 - jumped
      J5, J6, J7, J8 - open

      If the Largest C-ROM is a 27c160
      J7, J8 - jumped
      J5, J6, J9, J10 - open

      If the Largest C-ROM is a 27c800
      J5, J6 - jumped
      J7, J8, J9, J10 - open

      If C1 and C2 are 27C322
      J11 - jumped
      R1 - open
      ...if smaller do the opposite
      ...if empty both can be open

      If C3 and C4 are 27C322
      J12 - jumped
      R2 - open
      ...if smaller do the opposite
      ...if empty both can be open

      If C5 and C6 are 27C322
      J13 - jumped
      R3 - open
      ...if smaller do the opposite
      ...if empty both can be open

      If C7 and C8 are 27C322
      J14 - jumped
      R4 - open
      ...if smaller do the opposite
      ...if empty both can be open


      Based on other conversions I originally had J11 and R2 jumped but I swapped it to R1 and R2 after I figured out their function since I'm using a 160 for C1/C2 and a 800 for C3/C4 and now my graphics are perfect. arguably you could set the jumpers for 322 across the board and just condense all of the C-ROMs to 322s. I thought for sure some of those jumpers were for the S1 ROM but none of them touch it.

      I still have problems with the music but at least I'm confident that the jumpers on the CHA board are 100% correct now.

      The PROG BK1 is pretty well documented on the ngdev wiki but there are 4 or 5 jumpers near the bottom that I don't think are covered. so either that is related to my sound issue, or maybe I have a bad burn or cold solder joint on one of my chips.

      If anyone has a Bootleg or Conversion Money Puzzle I'd love to see pictures of the PCB.
      The MVS scans for MPE can be found here, and shows all the proper jumper settings.

      mvs-scans.com/index.php/Money_Puzzle_Exchanger
    • muckyfingers wrote:

      The MVS scans for MPE can be found here, and shows all the proper jumper settings
      I'm well aware of MVS scans, I linked to it in the post before the one you quoted.

      The scan's aren't useful for this conversion because
      1. the Mask ROMs are a configuration that doesn't exist in an EPROM
      2. the conversion is being done on a PCB set that is different from the original PCBs.

      so the jumper configuration is going to be different on a converted cart; unfortunately the scans are worthless for this task.
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    • twistedsymphony wrote:

      muckyfingers wrote:

      The MVS scans for MPE can be found here, and shows all the proper jumper settings
      I'm well aware of MVS scans, I linked to it in the post before the one you quoted.
      The scan's aren't useful for this conversion because
      1. the Mask ROMs are a configuration that doesn't exist in an EPROM
      2. the conversion is being done on a PCB set that is different from the original PCBs.

      so the jumper configuration is going to be different on a converted cart; unfortunately the scans are worthless for this task.
      ah, missed that part, forgot you’d have to split the V-Roms for and EPROM conversion.
    • twistedsymphony wrote:

      I still have problems with the music but at least I'm confident that the jumpers on the CHA board are 100% correct now.
      I got this working today, my prog BK1 and Cha 256 Jumpers where 100% correct my problem was a bad burn on one of the V-ROMs
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    • yeah I basically de-soldered dumped, verified, and then reinstalled every chip. related to sound. Unfortunately it was the very last one that was a problem :( and of course I didn't even do that until after I traced out the jumpers on the CHA256 and half of the PROGBK1

      I think it failed after install because I triple verified every burn before installing the first time and the chip that dumped bad wont erase now.
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    • Next question: Splitting MAME ROM's/Bin files/etc.

      Is this done in the programmer's software?
      • Just load up the MAME bin file in the programmer software
      • Copy the lines of code from programmer into a hex/text editor
      • Evenly divide the lines into two hex files
      • Label each subsequent file from MAME_Bin.rom -> MAME_Bin_01.rom & MAME_Bin_02.rom
      • Finally, burn?
    • There are many tools out there. but the first and most simple tool you should have when playing around with these files is a Hex Editor. I use HxD: mh-nexus.de/en/hxd/

      this includes a function to split files.

      If you've got a 32Mbit V-ROM that you need to split across 2x 27c160s then you'll want to go to
      Tools -> File Tools -> Split
      fill out your file names then specify 2048KiB in the box at the bottom.

      When you need more advanced functionality you can try out Porchy's BINMAN: jammarcade.net/programs/


      I have a ROM tool I've been working on that will probably be released soonish too.
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