Spectrum Ports / Homebrew · SAM Coupé

Gimmick! Yumetaro Odyssey

Gimmick! Yumetaro Odyssey for SAM Coupé, Mode 1 and 512 KiB. Retains original 128K content, 19 tracks and 19 effects with AY-to-SAA conversion and documented frequency/noise approximations. Native editable BASIC. Cold boot, keyboard, 61 gameplay boundaries and 15 resources verified in an emulator.

Requires a SAM Coupé with 512 KiB of RAM.

Only the keyboard route is qualified. Five high-tone updates are limited by 8.37% and 46 low-tone updates by up to 12.94%; 1,720 ultrasonic updates use a level or noise approximation. SAA volume and timbre differences remain. Emulator testing covers specific routes and components; no complete-game, physical-hardware or analogue-audio identity certification.

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Notes and controls

The BASIC loader can be interrupted with BREAK, listed and adapted for other storage devices.

2026 by Outsoftware using ChatGPT & Codex