0.255:
======
- adam_spi: Hook up EPCI to CPU and RS-232 port [AJR].
- altos2: Add dump and emulation of keyboard [AJR, Bitsavers].
- apple2e: IIe does not have IOUDIS, only IIc/IIc Plus [R. Belmont, TomCh].
- cdd2000: Hook up SCSI IRQ [AJR].
- coco: Changed description to 'Color Computer 1/2'.
- cocoh: Changed description to 'Color Computer 1/2 (HD6309)'.
- concams: Changed description to 'Conchess Plymate Amsterdam'.
- dim68k: Various improvements: Replace generic serial keyboard with dump and low level emulation of MCU-based keyboard. Specify correct clocks and XTAL sources for CPU and various other components. Add game control port (untested) [AJR, Bitsavers]. Remove obsolete patch [AJR].
- es5503: Support sync and AM modes and the last oscillator volume bug [R. Belmont].
- fdc37c93x: Changed description to 'SMSC FDC37C93X Super I/O'.
- gdrom: Fixed audio playback, TOC read, media status and ATA identify [Angelo Salese].
- i386: Use logmacro.h granular logging [Luigi30].
- kaypro10, kayproii, kayproiv: Changed manufacturer to 'Non-Linear Systems'.
- luna88k2: System promoted to working [Patrick Mackinlay].
- m6801: Fixed HD6303R to use an internal map, removed internal-only handlers from associated drivers [Ryan Holtz].
- m6809: Set V flag on undocumented XDEC instruction [Tim Lindner].
- mb87030: Make DMA transfers go through DREG rather than separate single buffer [AJR].
- mccpm: Move mccpm to mc folder [Dirk Best].
- mpc106: Properly endian-swap PPC/PCI transactions, support LE PPC, use logmacro [R. Belmont].
- n64: Changed description to 'Nintendo 64 (NTSC)'. Added preliminary driver and software list for LodgeNet Nintendo 64 [Forest of Illusion, David Silva, Angelo Salese].
- neogs: Added SD Card support and v1.10.2 ROM [holub].
- psion_asic5: Changed description to 'Psion ASIC5'.
- psion_asic9: Changed description to 'Psion ASIC9 V30H'.
- r5900le: Changed description to 'Emotion Engine Core (little)'.
- s550: Add CD-ROM to SCSI device list [AJR].
- scrablex: Changed description to 'Scrabble Lexor: Computer Word Game (MB8841 version)'.
- screen: Replaced old MCFG_ references in a warning message with member function names [Ryan Holtz].
- scsicd: Set CDDA media image on device reset [Windy Fairy].
- sgi_kbd: Changed description to 'SGI Keyboard'.
- smc1102: Improve lcd timing [hap].
- st: Add mouse buttons [ksherlock]. Use lowercase for descriptive text and avoid non-standard abbreviations in descriptions in 'st_flop.xml' [ArcadeShadow].
- upd7810: Added support for externally clocked serial mode [Devin Acker].
- vgmplay: Improved list description in 'vgmplay.xml' [ArcadeShadow].
- w30: Add CD-ROM to SCSI device list [AJR].
- wy60: Add keyboard emulation and cursor. Add character attributes [AJR].
- z80: Fixed incorrect cycle counts when custom cycle tables are used [Wilbert Pol].
- amstrad.cpp: Cleaned up descriptions in 'cpc_cass.xml' [ArcadeShadow].
- apple2.cpp, apple2e.cpp: More realistic (Control-)Reset behavior. The 6502 is now held in reset until you let go of the keys, like hardware. IIe-class machines now reset the language card and MMU registers, like hardware [R. Belmont].
- apple2gs.cpp: Fixed RAM mapping for ROM1 machines [Kelvin Sherlock].
- bitgraph.cpp: Replace generic serial keyboard with more fitting device [AJR].
- coco12.cpp: Added BIOS options for Color Computer 1 and 2. Add -bios options to Color Computer 1 & 2. Removed drivers that existed only to select BASIC versions (coco2), (coco2h), (cocoe) and (cocoeh) [Tim Lindner].
- concept.cpp: Fix collision with "concept" reserved word in C++20 warned by GCC 13 [R. Belmont].
- conchess.cpp: Replace "conchess t8" with original dump [hap].
- cz101.cpp: Added MIDI ports and got the system booting fully [Devin Acker].
- gb.cpp: Don’t abbreviate name of Nintendo Power service in 'gameboy.xml' [ArcadeShadow].
- generalplus_gpl16250_mobigo.cpp: Use lowercase for things that aren’t proper nouns in the list description in 'mobigo_cart.xml' [ArcadeShadow].
- h89.cpp: Implemented more functionality, added new monitor ROMs, and expanded notes [Mark Garlanger].
- hh_sm510.cpp: Fixed LCD segments for ktmntbb [hap, algestam]. Correct release year for some konami handhelds [hap].
- imacg3.cpp: Hooked up ATI Rage IIc video and OPTi USB controller skeleton. Boot chime now plays. Use PPC750 model and set strictest DRC options. Execution now goes much farther [R. Belmont].
- kaypro.cpp: State class split. Add RTC to '84-type systems. Add screen raw parameters [AJR]
- macpwrbk030.cpp: Fix macpb180c colors [Angelo Salese].
- mips.cpp: Fixed MIPS3 PRID and memory controller RPSS issues [Jiaxun Yang].
- n64.cpp: Minor cleanups. Bulk replace supported for all entries to no nintendo/aleck64.cpp, nintendo/n64.cpp: re-enable option for -drc in 'hash/n64.xml' [Angelo Salese].
- n64_gateway.cpp: Foxhack and Angelo Salese added nintendo/n64_gateway.cpp driver.
- nes.cpp: Use lowercase for descriptive text and avoid non-standard abbreviations in descriptions in 'nes.xml' [ArcadeShadow].
- ngp.cpp: Zerofill all class variables [hap]. Fix regression preventing system from booting [AJR].
- pentevo.cpp: Added sound options and fixed I/O issues [holub].
- pippin.cpp: Use strictest DRC options. Execution goes farther[R. Belmont].
- powermacg3.cpp: Fix to follow new Rage GPIO hookups. Boot chime now plays. Use PPC750 model and set strictest DRC options. Execution now goes much farther [R. Belmont].
- snes.cpp: Don’t abbreviate name of Nintendo Power service in 'snes.xml' [ArcadeShadow]. Fixed release regions and parent/clone relationships for boxing games in 'snes.xml' [David Silva].
- spectrum.cpp: Fixed some stray punctuation in 'spectrum_cass.xml' [Vas Crabb].
- tsconf.cpp: Added sound options and fixed I/O issues. Finalized the list of registers needing delayed updated and fixed graphics page padding [holub].
- vt100.cpp: Added a setting for phosphor color [Carl Drougge].
- x68k.cpp: Hook up SCSI DMA channel [AJR]. Wait before setting gvram clear status bit. Fix bg layer positioning and another layer selection case [cracyc].
- xbox.cpp: Fix BIOS naming [Angelo Salese].
- ympsr150.cpp: Added the Yamaha PSR-190 keyboard [Edward d-tech, Devin Acker].
- Rename (concams8) to (concams) machine. 
- Rename (nabu_keyboard) to (nabupc_keyboard), (psion_asic5_pack) to (psion_asic5), (sgikbd) to (sgi_kbd), (votrax) to (votrsc01) devices.
- 987123879113 added ATAPI CD/DVD-ROM and ATAPI fixed CD/DVD-ROM devices.
- AJR added WY-60 ASCII Keyboard, Wyse AT-Style Keyboard, Wyse Enhanced PC-Style International Keyboard, Wyse Enhanced PC-Style Keyboard, Wyse IBM 316X-Style Keyboard and Wyse Keyboard Port devices.
- AJR and Bitsavers added Dimension 68000 keyboard device.
- Angelo Salese added SMSC FDC37M707 Super I/O device.
- Bitsavers added Conner Peripherals CP-2024 hard disk and SGI Keyboard Port devices.
- Brian Johnson added Commodity Quote Graphics 1MB Memory Expansion device.
- Dirk Best added mc-68000 2 MB RAM Expansion, mc-68000 Floppy Interface, mc-68000 System Bus and mc-68000 System Bus Slot devices.
- hap added Matsushita MN1400 (28 pins), Matsushita MN1400 (40 pins) and Matsushita MN1405 devices.
- holub added Zilog Z84C015 device.
- Luigi30 added IBM PS/2 Speech Adapter device.
- Nigel Barnes added Psion 3Fax Modem, Psion 3Link Parallel Printer Interface, Psion 3Link RS232 Serial Interface, Psion ASIC1, Psion ASIC2, Psion ASIC3, Psion ASIC4, Psion ASIC9 V30MX, Psion Extended Internal Expansion slot, Psion Honda Expansion slot, Psion Reduced External Expansion slot and Psion Siena SSD Drive devices.
- Olivier Galibert added Votrax CD/DVD-ROM Image device, CD/GD-ROM Image and SC-01-A devices.
- Patrick Mackinlay added Brooktree Bt479 1024 Color RAMDAC device.
- R. Belmont added Apple descriptor-based DMA channel, ATI Rage II PCI, ATI Rage IIC PCI, ATI Rage Pro PCI, AWACS MacRisc audio I/O, Burgundy audio I/O, IBM PowerPC 740, IBM PowerPC 750, OPTi 82C861 USB OHCI controller and Screamer audio I/O devices.
- Ryan Holtz added Altos II Keyboard, DS1643 Nonvolatile Timekeeping RAM, Emotion Engine Core (big) and Keytronic L2207 serial keyboard devices.
- Wilbert Pol added MSX Arkanoid Vaus, MSX Cartridge - Korean 25-in-1 and MSX Cartridge - Love Plus Pack devices.
- algestam added Tronica Super Goal Keeper system.
- algestam, Sean Riddle and Mr. Do added Konami Teenage Mutant Ninja Turtles 3: Shredder's Last Stand (handheld) and Konami Teenage Mutant Ninja Turtles: Basketball systems.
- Angelo Salese and David Silva added Nintendo / LodgeNet Nintendo Gateway 64 system.
- Dirk Best added mc / Franzis Verlag mc-68000-Computer system.
- Edward d-tech added Yamaha PCS-30 and Yamaha PSR-190 systems.
- Guru added Yamaha PS-400 system.
- hap and Sean Riddle added Lakeside Computer Perfection, Selchow & Righter Scrabble Lexor: Computer Word Game (MN1405 version), Tomy Basketball (Tomy) and Tomy Volleyball (Tomy) systems.
- holub added Ivan Mak Sprinter Sp2000, Peters Plus system.
- MaFrance351 added Psion Series 3a (2M) (Russian) system.
- Nigel Barnes and The Last Psion added Acorn Computers Pocket Book, Psion Series 3 and Psion Series 3s systems.
- Nigel Barnes and York University Computer Museum added Micro Computer Machines MCM/70 system.
- Nigel Barnes and zedstarr added Psion HC 100, Psion HC 110 and Psion HC 120 systems.
- NoIntro added Nintendo Nintendo 64 (PAL) system.
- Patrick Mackinlay added Omron Luna 88K system.
- Ryan Holtz and Leo Romo added Wavetek 600 Cellular Activation Tester system.
- Andrei I. Holub added sinclair/sprinter.cpp driver.
- Devin Acker added yamaha/ymps400.cpp and yamaha/ympcs30.cpp drivers.
- Dirk Best added mc/mc68000.cpp driver.
- Foxhack and Angelo Salese added nintendo/n64_gateway.cpp driver.
- hap added handheld/hh_mn1400.cpp driver.
- Nigel Barnes added psion/psionhc.cpp, psion/psion3.cpp and misc/mcm70.cpp drivers.
- Ryan Holtz added skeleton/600cat.cpp driver.