0.261:
======
- acrnsys1: Minor cleanup, and changed company to Acorn Computers [Nigel Barnes].
- alphasma3k.cpp: Fixed CPU type and added notes [Angelo Salese].
- amstr_pc.cpp: Add PC5086 HW notes [Angelo Salese].
- apple2:Added latest cracks and one re-dump. Also cleaned up metadata and improved consistency in Apple II software lists in 'apple2_flop_clcracked.xml' and 'apple2_flop_orig.xml' [A-Noid33].
- apple2e.cpp: Fix Franklin Ace 500/2x00 F-keys [Golden Child].
- bbc_tube_6502p: Added ROM variant Tube 0.06 [Nigel Barnes].
- doraphon: Changed description to 'Dora the Explorer - Dora TV Explorer Phone / Boots's Special Day (US)'.
- easykara: Changed description to 'Easy Karaoke Groove Station (UK)'.
- ef9365: Simplify busy timer, change msl pins to a devcb. Add side effects check at statusreg read. Add getter for MSL pins, videoart: Add custom vram handling [hap].
- electron: Only select ROMSEL when upper nibble is clear. Use SPEECHROM device to map the speech PHROM [Nigel Barnes].
- gx4000: Replaced abbreviated country names with full names in descriptions in 'gx4000.xml' [ArcadeShadow].
- h8: Fix divs. Fixes the voice volumes in the mu100 [Olivier Galibert].
- h89.cpp: Added the Ultimeth ROM as a BIOS option for the H89. Added a machine configuration setting for DIP switch labels. Added the Kres KMR-100 ROM as a BIOS option for the H89 [Mark Garlanger].
- hd44780: Changed description to 'Hitachi HD44780 LCD Controller'. Correct a pair of clocks [Olivier Galibert]. Fixed errors in character ROM transcriptions and added more variants [Lord Nightmare]. Cleaned up mess in ROM selection code [Vas Crabb].
- hd6301v1, hd6301x0, hd6301y0: Fix SLP wakeup from Tin input capture event [AJR].
- hlcd0515: Add NVRAM [hap].
- ins8250: Removed the scratchpad register from the original 8250 class chips. Implemented transmit break functionality [Mark Garlanger].
- iqunlim.cpp: Fix boot vectors initialization [Angelo Salese].
- jr100.cpp: Use multibyte.h helpers [AJR].
- ks0164: CPU refinements. Force source register to be the same as destination register for max/min instructions. Fixes missing instruments and eventually disappearing music in elfin attract. Write "tst" instead of "zero |=" in disassembly [Angelo Salese]. Fix registers on nonloop so that the voice is freed correctly. Bonus usage debug output, to be removed at some point. Fix neg/not, add volume and envelopes, fix looping. Fix looping calculations, remove debug stuff. Correct loop flag and pan swap [Olivier Galibert]. Actually lower TX full semaphore when host reads MPU-401 buffer. This fixes elfin losing sound and the ability to coin up during attract [AJR].
- labtam: Set keyboard default baud [Patrick Mackinlay].
- lchicken: Changed manufacturer to 'LJN Toys'.
- leonardo.cpp: Internal NVRAM no longer needs a separate device [AJR].
- lx_aven: Changed description to 'Marvel Avengers TV Game Console (32-bit, Lexibook)'.
- m6801: Add support for canned NVRAM. Add standby pin. Save ram control reg upper bits to 'NVRAM', psion: remove local implementation of m6801 standby pin and ram control reg. Add setter for NVRAM battery status [hap]. Move RAM, ROM and I/O areas into internal maps for all variants (including a few that lacked their own device types until now). CPU device now saves NVRAM for applicable standby areas, which only include the first part of internal RAM on NMOS variants [AJR].
- macquadra630.cpp: Support the LC PDS slot on the Quadra 630 and LC 580 [R. Belmont].
- msx2.cpp: Fixed an inconsistently transliterated description in 'msx2_cart.xml' [Wilbert Pol].
- mu100: Some comments [Olivier Galibert].
- mu50: Add the effects and the nvram [Olivier Galibert].
- mu80: Avoid crashes. Add the fixed interrupt  [Olivier Galibert].
- mulcd: Small corrections to bit assignments [Olivier Galibert].
- nes_apu_vt: It claims to be GPL, then it can't have a GPL-incompatible license restriction [hap].
- nsnova: Internal NVRAM is now fully internalized. Add NVRAM [hap].
- pc9801.cpp: Confirm key labels, particularly ROLL UP and ROLL DOWN being inverted. Misc preps for moving stuff to C-Bus and Hyper 98. Fix legacy PIT mapping. Fix mercury boot order in 'pc98.xml'. Fix a couple 3.5" floppies, promote rinneten, demote xanadu/xanadu2 in 'pc98.xml' [Angelo Salese].
- psion_honda_slot: Added pinout notes [Nigel Barnes].
- psion3.cpp: Added save state flag [Nigel Barnes].
- psion3a.cpp: Added preliminary Condor serial device for Series 3c, and added save state flag [Nigel Barnes].
- psionhc.cpp: Removed expansion port C, and added save state flag [Nigel Barnes].
- psx.cpp: Use multibyte.h helpers [AJR].
- renaissa: Add NVRAM [hap].
- renaissance.cpp: Internal NVRAM no longer needs a separate device [AJR].
- risc2500: Remove wrongly emulated ACL button [hap].
- rvoicepc: Correct address mapping of 65C51 and connect it to RS-232 terminal and HD6301 IRQ line; add DIP switches that appear to control baud rate and framing [AJR].
- rx78: Added Yellow Cab, and added usage instructions for existing items in 'rx78_cass.xml' [Gaming Alexandria, David Silva].
- sam_atom_hdd: Changed description to 'SAM Coupé ATOM HDD interface'.
- sam_floppy: Changed description to 'SAM Coupé Internal Floppy'.
- sam_mouse: Changed description to 'SAM Coupé Mouse Interface'.
- sam6883: Moved to machine folder, for use in non coco/dragon machines [Nigel Barnes].
- samcoupe.cpp: Changed "Sam Coupe" to "Sam Coupé" with an acute accent in system/device descriptions [ArcadeShadow].
- samcoupe: Changed description to 'SAM Coupé'.
- samcoupe_drive_port: Changed description to 'SAM Coupé Drive Port'.
- samcoupe_expansion: Changed description to 'SAM Coupé Expansion Bus'.
- samcoupe_mouse_port: Changed description to 'SAM Coupé Mouse Port'.
- scptchess: Correct placement of board coords in artwork, sgalaxy: add background color under board leds in artwork [hap].
- sed1278: Changed description  to 'Epson SED1278 LCD Controller'.
- sega_beena.cpp: Demoted TV Ocha-Ken to not working. It can be promoted when the software list and internal artwork are done. Added pen position display on book pages. Removed requires external artwork flag - the internal artwork is adequate. Added basic book page display. Put page scans in individual data areas in 'sega_beena_cart.xml' [Vas Crabb].
- segapico.cpp: Implemented initial external interrupt support for Copera [QUFB].
- siena.cpp: Added preliminary Condor serial device, and added save state flag [Nigel Barnes].
- simultano, stratos: Remove wrongly emulated ACL button [hap].
- spectrum.cpp: Fixed a description in 'spectrum_cass.xml' [Vas Crabb].
- supracan.cpp: Hooked up internal 68000 boot ROM, and moved key to a separate ROM region [Ryan Holtz, wxhsplash].
- swp00: Workaround bogus 'variable may be unitialized' compiler warning [hap]. Correct the sample decompression. Correct the level of the decompressed samples [Olivier Galibert].
- swp20: Add some more identified registers [Olivier Galibert].
- swp30: Use natural addresses, reorganize the meg, make envelopes and keyoff a little better. Corretly decompress the samples. Add mixer, fix a number of things. Add lfo, correct issue in state readback making the program lose track of some samples [Olivier Galibert]. Fix clang error: unused variable 'pmode' [-Werror,-Wunused-variable].
- tking: Change button ordering, small tweak to internal artwork [hap].
- tmp68301: Downshift timer irqs by one, fix pkspirt input reading. Add stub for TMP68303, recify previous commit to apply for '303 only [Angelo Salese].
- tstar432: Changed description to 'Turbostar 432 (set 1)'.
- tstar432a: Changed description to 'Turbostar 432 (set 2)'.
- upd933: Use a timer to activate interrupt output. This decouples the interrupt output from the sound update cycle so it's timed correctly. Also improved interrupt priority handling. Clear pending interrupt flag when read. Implemented presumed pitch modulator register [Devin Acker].
- vidbrain: Remove unneeded .lay file [hap].
- workabout.cpp: Added save state flag [Nigel Barnes].
- wscolor: Bugfix#08781 [DIP/Input] (bandai/wswan.cpp) wswan, wscolor: Buttons are not numbered from left to right [ICEknight]. Zerofill class variables, swap button orientation [hap].
- wswan: Bugfix#08781 [DIP/Input] (bandai/wswan.cpp) wswan, wscolor: Buttons are not numbered from left to right [ICEknight].
- xavix.cpp: Treat taikodp drum input as digital to avoid issue with multiple hits registering [David Haywood].
- ympsr150.cpp: Fixed erroneously swapped keys for psr150 and psr180 [Devin Acker].
- Removed (floppy_525_qd16), (ks0066_f00), (ks0066_f05) and (megemb) devices.
- Renamed (hd44780_a00) to (hd44780) and (sed1278_0b) to (sed1278) devices.
- Renamed (ccompan) to (compan), (exchess) to (exechess), (rad_md2) to (rad_md2uk), (rad_sf2p) to (rad_sf2uk) and (rad_sonicp) to (rad_sonicuk) machines.   
- Renamed (ccompan.cpp) to (companion.cpp) and (exchess.cpp) to (exechess.cpp) drivers.
- AJR added 'Evolution CPU' and 'Tensilica Xtensa core' device.
- Angelo Salese added 'Toshiba TMP68303' device.
- buffi added 'Samsung K9F1G08U0M' and 'Samsung K9F2G08U0M' devices.
- David Haywood added 'VT02/03 series System on a Chip (PAL, with simple Opcode scrambling)' device.
- Devin Acker added 'Casio RA-6 RAM cartridge' and 'OKI MSM6200 keyboard controller' devices'.
- hap added 'Hitachi HD6801V0', 'Motorola MC6801U4', 'Motorola MC68120 IPC' and 'Motorola MC68121 IPC' devices.
- Lord Nightmare added 'Hitachi HD44780U LCD Controller' and 'Samsung KS0066 LCD Controller' devices.
- Mark Garlanger added 'Heath Terminal Logic Board plus Cleveland Codonics Imaginator I-100' device.
- Nigel Barnes added 'Microwriter Quinkey', 'Microwriter Quinkey Interface', 'Microwriter Quinkey slot' and 'Psion Condor' devices.
- QUFB added 'AP2010 CPU' and 'AP2010 PCM' devices.
- Carl, Sean Riddle added 'Yamaha Portatone PSR-11' system.
- cuba200611 added 'NEC PC-H98S model 8/U8' system.
- David Haywood, Team Europe added 'Lexibook Noddy's TV Console' and 'Play Vision/Taikee Racing Challenge - 8 Games In 1' systems.
- hap, Sean Riddle added 'CXG Systems / Newcrest Technology Super Enterprise (model 210)', 'SciSys Chess Companion II' and 'SciSys Explorer Chess' system.
- hap, Sean Riddle, Lord Nightmare added 'CXG Systems / Newcrest Technology Enterprise "S"' system.
- hap, Sean Riddle, Phil Bennett added 'LJN Toys VideoArt' system.
- Mastropiero, Devin Acker added 'Casio CZ-1' and 'Casio MZ-1 (prototype)' systems.
- murgatroid_79 added 'VTech Precomputer Elektronik (Russia)' system.
- O. Galibert added 'Yamaha PSR540' system.
- QUFB added 'Sega TV Ocha-Ken' system.
- SpritesMind, archive.org added 'Sega / International Business Machines TeraDrive (Japan)' system.
- TeamEurope added 'VTech Kidizoom (Germany, blue camera)' and 'VTech Kidizoom Connect (Germany, pink camera)' systems.
- TeamEurope, ChinnyVision added 'dreamGEAR My Arcade Plug And Play 220 Game Retro Controller (DGUN-2959)' system.
- TeamEurope, David Haywood added 'Game Zone II 128-in-1', 'Sudoku TV Game (PAL, 2 players)', 'Virtual Football (with 3 bonus games)', 'IVL Technologies (Lexibook license) KaraokeMicro Star (France)', 'Kidz Delight Evolution Max', 'Konami Marimba Tengoku (Japan)', 'Lexibook Disney Frozen TV Game Console (32-bit, Lexibook, JG7420FZ)', 'Lexibook Super TV Air Jet 6-in-1 (Lexibook Junior)', 'Lexibook TV Sports Plug & Play 5-in-1 (JG7000)', 'Macro Winners (Play Vision license) Wireless Boxing (PAL, Play Vision)', 'Play Vision Joystick88', 'Radica / Sega Mega Drive Collection Volume 1 (Radica, Arcade Legends) (UK)', 'Taikee / V-Tac Jeu Intéractif TV (France)', 'VTech Dora the Explorer - Dora TV Explorer Phone / L'anniversaire de Babouche (France)', 'WinFun / JungleTac Motorcycle 30-in-1' and 'Zone Zone Family Fit' systems.
- wai-3-love added 'Super Impulse Dance Dance Revolution - Broadwalk Arcade' system.   
- Angelo Salese added pc/teradrive.cpp and nec/pc_h98.cpp drivers.
- cracyc added yamaha/ympsr11.cpp driver.
- David Haywood added skeleton/hudson_poems.cpp and skeleton/evolution_handheld.cpp drivers.
- Devin Acker added casio/cz1.cpp driver.
- hap added misc/videoart.cpp and cxg/senterprise.cpp drivers.
- Olivier Galibert added yamaha/ympsr540.cpp driver.