Made by !Arcade!.
Completely passive PROG board.
Metal Slug X - Super Vehicle-001 fix suggested by DavidG: patch CHA A29 (SDRD1) to PROG B35 (/RESET).
Metal Slug X - Super Vehicle-001 fix, making sense edition: attach a pullup resistor to the /RESET line.
/SLOTCS is routed to 4MB, because reasons. Re-oute to ground to fix link cable features.