Add both Tandy Sensation! machines#6805
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OPL3 is working, Windows 3.1 driver initializes correctly but the DAC fails to play back properly: only one set of samples plays back with silence after reloading the sample counter
…ement the counter for all formats
… remaining unknown value (VISBIOS.DOC says the DAC supports this)
…audio in Phone Center and SB emulation under Win3.1
…no output to both channels
…he machine the sound and gameport flags
…RS catalog number, corrected max RAM and replaced the commented out onboard video init with a TODO comment
…catalog mentioning local bus video
3 tasks
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Summary
Add the Tandy Sensation! (25-1650) with its custom onboard audio and the Tandy Sensation! II (25-1651)/3100/MMPC machines.
The Sensation 1 currently lacks its onboard WD90c31 video and Philips/LMSI CM-205 CD-ROM.
Checklist
References
Provide links to datasheets or other documentation that helped you implement this pull request.
Tandy VIS emulation from MAME: https://github.com/mamedev/mame/blob/master/src/mame/trs/vis.cpp
Tandy Faxback Fix two warnings in Qt code #2618 (DMA/IRQ list): http://ftp.oldskool.org/pub/tvdog/tandy1000/faxback/02618.txt
Fujitsu MB87077 datasheet: https://datasheet4u.com/datasheets/Fujitsu/MB87077/512667
Yamaha YMZ263B datasheet: https://www.alldatasheet.com/datasheet-pdf/pdf/87669/YAMAHA/YMZ263B.html
Tandy Sensation part list: https://web.archive.org/web/20040111163447/http://support.radioshack.com/support_computer/doc21/21855.htm
Tandy Sensation II board pictures: https://www.vogons.org/viewtopic.php?t=64636