The segatools.ini file is the primary configuration file for SegaTools, an open-source compatibility layer and API wrapper used to run Sega arcade games (such as Chunithm, Initial D Arcade Stage, and maimai) on standard Windows PCs. It allows users to bypass arcade-specific hardware requirements by emulating components like card readers, JVS I/O boards, and network environments. Core Configuration Sections

  • input_driver: raw|sdl|xinput
  • pad1_mapping: button assignments
  • hotkeys: save_state=F5, load_state=F7, etc.

Reverse-engineering relic
The file format originates from the segatools project (open-source JVS emulation for Sega games). It reveals how arcade games expected to talk to I/O boards like JVS, ALLS, RingEdge, or Nu.

[log] output_file=.\chunithm.log level=2 ; Warnings and errors only for normal play

; Whether to use OpenGL or DirectX graphics_api = opengl

appdata: A dedicated directory for Sega-specific application data (not to be confused with Windows %APPDATA%). 2. Aime Card Reader Emulation ([aime])

accessCode=... (A 20-digit hex string representing your virtual card). chipId=... (The internal ID for the card reader). The Virtual File System redirection.