Aaron Giles f7b263de20 Sound and other improvements to Sega G-80 games. (#7103) ... Sound and other improvements to Sega G-80 games: [Aaron Giles, couriersud] * Added netlist-based sound to Eliminator, Zektor, Space Fury, and Astro Blaster. * Split the Sega Universal Sound Board and Speech Boards into their own separate files. * Improved Universal Sound Board implementation for better accuracy in Star Trek and Tac/Scan. * Wrote netlist-based backend for Universal Sound Board; currently disabled due to limitations in the system. * Wrote netlist-based backend for Speech Board; currently disabled pending future sound system changes. * Implemented wait states and the vector DRAW flag to help improve timing. SP0250 Improvements: [Aaron Giles] * Matched clock divider to real chip measurements. * Fixed behavior when not fed enough data; addresses "gapping" in speech in Sega games. * Implemented accurate LFR noise generator according to real chip measurements. * Added pulse-width modulation DAC output mode for future consumption by netlist. Netlist additions: [Aaron Giles] * Added compile-time option to record nltool-compatible CSV files. * Improved CD4020 implementation. * Fixed CD4053 behavior. * Added 74139 device. * Added TL082 device. 8253 PIT changes: [Aaron Giles] * Added explicit synchronization to all writes. * Cleaned up some timing calculations to avoid double<->attotime conversions.		2020-08-19 19:33:13 -07:00
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build	(nw) hopefully work around deprecation warning - removing something in 3.9 when the replacement was only added in 3.2 is typical of Python's disregard for stability	2020-04-06 04:21:28 +10:00
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src	bus/electron: Added the JAFA Mode 7 Display Unit.	2020-08-19 22:59:51 +01:00
target	Sound and other improvements to Sega G-80 games. (#7103)	2020-08-19 19:33:13 -07:00
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genie.lua	Clean up clang options now that clang 5 is a hard requirement, and suppress xor-used-as-pow warning introduced in clang 10	2020-08-18 01:10:47 +10:00
toolchain.lua