Repairing Metal Slug X

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This guide is for repairing Metal Slug X carts with dead Altera MAX chips. Either the game ROMs can be transferred to a PROGBK1 or the dead MAX chip can be removed from the PROGEOP. Both methods need a hacked ROM which is linked at the bottom of this page.

A. Using donor PROGBK1

  1. Set jumpers correctly on BK1 board using this as reference: [1]
  2. Move all ROMs from the EOP (except for P1) to the corresponding places on the BK1
  3. Replace the BK1 P1 with a 27C800 containing the hacked ROM image

B. Fixing the PROGEOP

(todo)

  • remove MAX
  • replace P1 with hacked ROM on 27C800
  • patch D0-D7, /E /G etc.
  • get ls74 and ls08 hooked up
  • get ls139 hooked up for V ROMs
  • whatever else, lots more to do compared to BK1 donor swap

P1 replacement

Download and burn to 27C800: [2]

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