0.248:
======
- amsterdam.cpp: ROM regions were 256 times too large somehow [hap].
- amstrad.cpp: Reorganised softlist entries for Roland in Time, Roland in Space, and Roland in the Caves [Barry Rodewald].
- apple2cp: Use new IWM and floppy system. Writing to 3.5" disks works now. Fix VBL register access, solves hang in Prince of Persia [R. Belmont].
- apple2gs: Mega II banks now fully follow RAMRD/RAMWRT/ALTZP like banks $00/$01 [R. Belmont].
- as12.cpp: Add nvram [hap].
- ave_arb.cpp: Workaround for emumem bug [hap].
- b6100: Don't write to speaker on tkbs [hap].
- c1526: Changed description to 'Commodore 1526/MPS-802 Dot Matrix Printer'.
- c64.cpp: Cleaned up descriptions in 'c64_cart.xml' [ArcadeShadow].
- cdi.cpp: Cleaned up descriptions in 'cdi.xml' [ArcadeShadow].
- coleco: Cleaned up descriptions in 'coleco.xml' [ArcadeShadow].
- digiblst: Changed description to 'digiBLAST', manufacturer to 'Nikko Entertainment B.V. / Grey Innovation' and added the year (2005).
- er1400: Fix loss of the first data bit on readback. Correct clock phase and better handle data reads. Fixes various issues in drivers [Dirk Best].
- es5503: More correct behavior in some swap-mode corner cases [R. Belmont].
- facit4440.cpp: Driver moved to "facit/" sub-folder.
- famitwin: Changed description to 'Twin Famicom'.
- felega: Changed description to 'Elegance Chess Challenger (model AS12, set 1)'.
- fmtowns.cpp: Cleaned up descriptions in 'fmtowns_flop_misc.xml' [ArcadeShadow].
- gamepock: Do the LCD colors with internal artwork. Remove input tag lookups, add notes. Use hd44102_device [hap].
- gb.cpp: Added partial support for some Chinese multi-game cartridges. Cartridge RAM features are not implemented yet. Added support for two Vast Fame multi-game cartridges. Neither of these use per-game cartridge RAM banking, but they do segregate the RAM between games and disable it for games that don't need it. Fixes for multi-game cartridges. Reset the system from a timer callback for the Vast Fame/SL/J.Y. Company multi-game cartridges.  This fixes games on gbcolor. Reset system when leaving configuration mode for GBCK003.  Fixes most issues with games. Moved GBCK003 to its own source file, and added notes for both multi-game cartridge types. Improved GBCHK003 notes. Reimplemented Game Boy and Mega Duck cartridge slots: Allow cartridges to install themselves rather than putting accesses through trampolines. Use memory banks even when they aren't installed directly, as it exposes script bindings and declares intent. Added support for MBC6 Flash, and MBC7 two-axis accelerometer and 1
- gb_rom: Changed description to 'Game Boy Flat ROM Cartridge'.
- gb_rom_camera: Changed description to 'Game Boy Camera Cartridge'.
- gb_rom_chongwu: Changed description to 'Game Boy Chongwu Xiao Jingling Pokemon Pikecho Cartridge'.
- gb_rom_digimon: Changed description to 'Game Boy Digimon 2 Cartridge'.
- gb_rom_lasama: Changed description to 'Game Boy Story of Lasama Cartridge'.
- gb_rom_licheng: Changed description to 'Game Boy Li Cheng MBC5 Cartridge'.
- gb_rom_m161: Changed description to 'Game Boy M161 Cartridge'.
- gb_rom_mbc1: Changed description to 'Game Boy MBC1 Cartridge'.
- gb_rom_mbc2: Changed description to 'Game Boy MBC2 Cartridge'.
- gb_rom_mbc3: Changed description to 'Game Boy MBC3/MBC30 Cartridge'.
- gb_rom_mbc5: Changed description to 'Game Boy MBC5 Cartridge'.
- gb_rom_mbc6: Changed description to 'Game Boy MBC6 Cartridge'.
- gb_rom_mmm01: Changed description to 'Game Boy MMM01 Cartridge'.
- gb_rom_rockman8: Changed description to 'Game Boy Rockman 8 Cartridge'.
- gb_rom_sachen1: Changed description to 'Game Boy Sachen MMC1 Cartridge'.
- gb_rom_sachen2: Changed description to 'Game Boy Sachen MMC2 Cartridge'.
- gb_rom_sintax: Changed description to 'Game Boy Sintax MBC5 Cartridge'.
- gb_rom_tama5: Changed description to 'Game Boy Bandai Tamagotchi Cartridge'.
- gbcolor: Actually fill in CRC for added cartridge and put the PCB designations on the right items in 'gbcolor.xml' [Vas Crabb].
- gmaster.cpp: Driver moved to "handheld/" sub-folder.
- gmaster: Do the LCD colors with internal artwork. Tweak LCD color. Remove not strictly needed use of strrchr. Move gmaster to handheld folder. Improve sound. removed unused ports. Add lcd chips [hap].
- h8: Add exception hook calls [AJR].
- hd44102: Add intermediate render buffer [hap].
- lisa.cpp: Preliminary switch to modern IWM/floppy devices [R. Belmont].
- m6502: Add the missing uses_custom_memory_interface. Avoid multiple instructions on one line for when reads at restartable [Olivier Galibert].
- m82: Changed description to 'M82 Game Selectable Working Product Display'.
- megadriv_rad.cpp: Added option to use C button to access service menu in dgunl3227 [Devin Acker].
- megaduck_cart_slot: Changed description to 'Mega Duck Cartridge Slot'.
- megaduck_rom: Changed description to 'Mega Duck Flat ROM Cartridge'.
- micom_mahjong.cpp: Use active low logic for active low key matrix rather than inverting stuff everywhere [Vas Crabb].
- microvsn: Add horizontal bar for paddle pos [hap].
- mmarvin: Just use PORT_ADJUSTER for the tone/speed configuration knobs [hap].
- mz2500: Corrected gomokuna publisher in 'mz2500.xml' [kmg].
- nes: Added drivers for Nintendo M8 and M82 product display systems [kmg].
- nes_fckeybrd: Changed description to 'Nintendo Family Computer Keyboard and Data Recorder'.
- nesapu: Changed description to 'RP2A0X APU' and added earliest hardware variant of 2A03 APU (used in Vs. System and early Famicoms) [kmg].
- ngp: Cleaned up descriptions in 'ngpc.xml' [ArcadeShadow].
- psx.cpp: BugFIX#08407 [Media Support] (sony/psx.cpp) psa, pse, psj, psu: PlayStation Game Booster no longer functions [Vas Crabb].
- rp2a03: Changed description to 'Ricoh RP2A03'.
- rp2a03_core: Changed description to 'Ricoh RP2A03 core'.
- sed1520: Don't write to ram when column address out of range [hap].
- sh2: Add exception hook calls [AJR].
- slepachi: Changed description to 'Slot Elepachi'.
- snes.cpp: Identified sblastb2a as actually being Teenage Mutant Ninja Turtles - Mutant Warriors [dox]. Decrypted it [iq_132]. Still doesn't work, possibly because of additional protection [Ivan Vangelista]
- upd7810: Don't change carry flag with inr/dcr opcodes. Refresh port C on MCC related output changes. Some variables were missing from savestates. Update prev commit: still affect HC flag [hap].
- vic1520: Correct MCU type; add some stub handlers [AJR].
- victor9k.cpp: Fixed Victor 9000 disk handling [Paul Devine].
- ymqy70.cpp: Fix permissions [AJR].
- z1013: Correct XTAL value and screen parameters based on schematics; make system clock configurable [AJR].
- z80: Fixed WZ flag [holub].
- z80ne.cpp: Driver moved to "misc/" sub-folder.
- z80ne: Merge driver into a single file [hap]
- Renamed (fscc12b) to (fscc12a), (n2a03) to (rp2a03), (n2a03_core) to (rp2a03_core), (tgpachi) to (slepachi)
- Removed (floppy_sonny), (gb_rom_188in1), (gb_rom_atvrac), (gb_rom_mbc7), (gb_sm3sp) and (n2a03_core_swap_op_d5_d6) devices.
- Removed (m82p) machine.
- Added RP2A03 APU, Digiblaster (DIY), Datamover, Datamover (alt address), Facit F4431 keyboard, Game Boy GBCK003 Multi-Game Board, Game Boy Hudson Soft HuC1 Cartridge, Game Boy Hudson Soft HuC-3 Cartridge, Game Boy MBC7 Cartridge with 93LC56, Game Boy MBC7 Cartridge with 93LC66, Game Boy HK0701/HK0819 Cartridge, Game Boy Rocket Games Cartridge, Game Boy SL Multi-Game Cartridge, Game Boy Super Mario 3 Special Cartridge, Game Boy Vast Fame VF001 Cartridge, Mitsubishi M50734, Macronix 29F008TC Flash, Mega Duck Banked ROM Cartridge, Panasonic MN18801A, Commodore MPS-1200 Dot Matrix Printer, Commodore MPS-1250 Dot Matrix Printer, MTU130 extension board slot, MTU130 rom slot, Sharp Cassette Interface AN-300SL, RP2A03 core with swapped D5/D6 and Ricoh RP2A03G devices.
- Berger added Fidelity Electronics Elegance Chess Challenger (model AS12, set 2) system.
- Dirk Best and Bitsavers added Facit 4431 system.
- kmg added Nintendo Famicom (earlier, with RP2A03) and Sharp Famicom Titler systems.
- kmg, Voodooween, Forest of Illusion and Fiskbit added Nintendo M8 Game Selectable Working Product Display (US, set 1), (US, set 2) and (US, set 3) systems.
- O. Galibert, David Williams, Disk Blitz and Eric Wright added Micro Technology Unlimited MTU-130 system.
- O. Galibert and Hubert "madbrain" Lamontagne added Yamaha VL1 system.
- Phil Bennett and BoxCubed added Yamaha PSR-500 system.
- R. Belmont and Captan Midnight added International Business Machines RS/6000 Type 7009 Model C10 Server system.
- AJR added ympsr400.cpp driver.
- David Haywood added digiblast.cpp driver.
- Dirk Best added f4431.cpp and nes_m8.cpp drivers.
- Olivier Galibert added mtu130.cpp and ymvl1.cpp drivers.
- R. Belmont and rs6000_type7xxx.cpp drivers.