Spectrum Ports / Homebrew · SAM Coupé
Dr. Acula
Dr. Acula for512K SAM Coupé Mode1, using the exact selected2024beeper source without AY/128K substitution. Preserves8melodies,32sound routines and1088original ROM bytes as data only. Native disk,2026credit,32sequences/ABI,1782mean periods within5%,264IRQ vectors and60keyboard updates verified. All60bitmaps match;4screens differ only in8colour attributes each.59of17168individual halfperiods exceed5%, longest contiguous outlier69.333microseconds. Emulator qualification, not physical hardware, analogue audio or full-game completion. Follow-up: native-keyboard BREAK/LIST, REM edit and LOAD AUTO verified; observed59update intervals span -2.721607% versus Spectrum128 source at3.5469MHz. No global or hardware parity claimed.
Requires a SAM Coupé with 512 KiB of RAM.
Emulator tests cover specific routes and components; this is not a complete-game or physical-hardware certification.
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SAM · MGT
The BASIC loader can be interrupted with BREAK, listed and adapted for other storage devices.
2026 by Outsoftware using ChatGPT & Codex