Add Sony CDU31A interface and its Creative interface support - #8204
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Implement the Sony host protocol with PIO, selectable ISA IRQ/DMA, CD-ROM reads, TOC, audio commands, and media-change handling. Add CDU31A and CDU33A models and integrate them into storage configuration and Qt. The Creative variant offers 230h/250h/270h/290h without IRQ or DMA. Add register-level tests, a repeatable SLCD.SYS DOS smoke harness, and hardware/setup documentation. Repair two existing test-build omissions. Validation: full emulator build and 15 Sony tests pass on upstream master. Five Sony driver versions passed 30 DOS configurations, with six additional Creative-address cases passing using SLCD.SYS 1.74d. The existing Philips media-change regression is documented separately.
Report the audio-playing flag in the second mechanical-status byte so SLCD.SYS retains pause/resume state. Treat the play command's final-frame address as inclusive, including single-frame ranges, and reject leadout. Add repeatable DOS BIN/CUE and audio playback tests and document the results. Sony retains bus ID 15; no storage bus-ID changes are included. Validation: full emulator build, 16 Sony unit tests, ASan/UBSan checks, and 44 DOS integration cases passed. Five Sony driver versions cover CDU31A/CDU33A with Sony and Creative PIO; four additional cases cover Sony DMA 3. File copies and captured OpenAL PCM match their sources.
Contributor
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I couldn't get drivers from this to work here: https://apricot.retropc.se/files/area88/s31x86.exe. NT 3.1 Setup fails to recognize it properly. |
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See if this fix. There is a bug in this driver causing a phantom drive. Use this to patch the driver |
Contributor
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Disc changes are not correctly detected in NT 3.5 drivers. |
Contributor
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Ok, seems fixed with NT 3.5 drivers now. |
Contributor
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OS/2 Warp 3.0 and 4.51 confirmed working. |
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Summary
Here we go. For creative interface, address is 2xx with no IRQ and DMA. For SONY interface, it is 3xx address with IRQ and DMA.
Tested working with SLCD.SYS 1.27a, 1.61, 1.71, 1.73 and 1.74.
Added both CDU-31a and CDU-33a CD ROM
Checklist
References