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Hatari - RetroBIOS
Type standalone + libretro
Classification Frozen snapshots
Source https://github.com/libretro/hatari
Upstream https://github.com/hatari/hatari
Version 1.8
Profiled 2026-03-23
Cores hatari, hatarib
Systems atari-st, atari-ste, atari-tt, atari-falcon

3 files | 1 required, 2 optional | 2 in repo, 1 missing

tos.img required in repo

  • Source: src/tos.c:575-696, libretro/libretro.c:387-410
  • Platforms: batocera, lakka, recalbox, retroarch, retrobat, retrodeck, retropie, romm
  • TOS ROM image. Any valid version (1.00 through 4.04) or EmuTOS works. The core auto-detects version from the ROM header and adjusts machine type. Default location is system/tos.img, additional images go in system/hatari/tos/.

cartridge ROM optional missing

  • Size: max 128.0 KB
  • Validation: size
  • Source: src/cart.c:53-88
  • External cartridge image. Loaded to address 0xFA0000. STC format images (0x20004 bytes) have a 4-byte header that is stripped. Mutually exclusive with GEMDOS hard disk emulation and extended VDI.

BOOT.ST optional in repo

  • Path: hatari/BOOT.ST
  • Source: libretro/libretro.c:1649
  • Floppy image used for GEMDOS HD bootstrapping with .gem files. Libretro port addition (not in upstream Hatari).

Generated on 2026-04-18T08:05:07Z