{
  "setup_entry": "0321",
  "pit_writer": "1838",
  "divisor_source": "1774",
  "divisor": 2386,
  "port_writes": [
    [
      67,
      54
    ],
    [
      64,
      82
    ],
    [
      64,
      9
    ]
  ],
  "nominal_input_hz": 1193180,
  "nominal_interrupt_hz": 500.07544006705785,
  "fountain_cycle_seconds": 4.095382088201277,
  "scope": "Executed timer setup fragment; interrupt counter increment and frame snapshot inspected statically; whole game timer configuration not exhaustively traced."
}