emulator: tsugaru
display_name: Tsugaru
type: standalone
source: "https://github.com/captainys/TOWNSEMU"
upstream: "https://github.com/captainys/TOWNSEMU"
profiled_date: "2026-03-26"
cores:
  - tsugaru
systems:
  - fmtowns

notes: |
  FM Towns / Marty emulator by CaptainYS. Takes a ROM directory as first
  argument. ROM format compatible with UNZ emulator. Free compatible ROMs
  available at ysflight.com/FM/towns/FreeTOWNS/. FMT_ALL.ROM is an
  alternative combined format that bundles all individual ROM files.

files:
  - name: FMT_SYS.ROM
    description: system ROM
    required: true
    size: 262144
    validation:
      - size
    source_ref: "physmem.cpp:392,503-507"
  - name: FMT_DOS.ROM
    description: DOS ROM
    required: true
    size: 524288
    validation:
      - size
    source_ref: "physmem.cpp:395,508-512"
  - name: FMT_FNT.ROM
    description: font ROM
    required: true
    size: 262144
    validation:
      - size
    source_ref: "physmem.cpp:398,513-517"
  - name: FMT_F20.ROM
    description: 20-dot font ROM, filled with 0xFF if missing
    required: false
    size: 524288
    hle_fallback: true
    validation:
      - size
    source_ref: "physmem.cpp:401,518-527"
  - name: FMT_DIC.ROM
    description: dictionary ROM
    required: true
    size: 524288
    validation:
      - size
    source_ref: "physmem.cpp:404,528-532"
  - name: MYTOWNS.ROM
    description: serial ROM for machine identity, uses defaults if absent
    required: false
    min_size: 32
    source_ref: "physmem.cpp:407,533-539"
  - name: FMT_ALL.ROM
    description: combined ROM file, alternative to individual ROM files
    required: false
    source_ref: "physmem.cpp:420-500"
  - name: MAR_EX0.ROM
    description: Marty extra ROM 0, all 4 MAR_EX ROMs needed for Marty mode
    required: false
    size: 524288
    validation:
      - size
    source_ref: "physmem.cpp:410,541-564"
  - name: MAR_EX1.ROM
    description: Marty extra ROM 1
    required: false
    size: 524288
    validation:
      - size
    source_ref: "physmem.cpp:412,541-564"
  - name: MAR_EX2.ROM
    description: Marty extra ROM 2
    required: false
    size: 524288
    validation:
      - size
    source_ref: "physmem.cpp:414,541-564"
  - name: MAR_EX3.ROM
    description: Marty extra ROM 3
    required: false
    size: 524288
    validation:
      - size
    source_ref: "physmem.cpp:416,541-564"