2017.06.08 Sega Genesis/Megadrive emulator for Windows/Linux/Mac OS X has been updated recently. New Features - SMS emulation in the form of the Gensis/MD's backwards compatibility mode - Added support for SMS controllers - Support for the mapper used by Realtec games - Support for carts with fixed value registers - Support for enough of the XBAND cartridge hardware to allow the menu to boot - Basic XBAND keyboard emulation - Configurable display overscan - Fullscreen mode can now be toggled at runtime - Window can now be resized at runtime - Support for "semantic" controller button names in the gamepad mapping using - SDL2's game controller API - Analog axes can now be mapped to emulated gamepad buttons or UI actions - System soft reset - Keyboard can now be captured when a Saturn or XBAND keyboard is connected to the emulated system - Internal screenshots that bypass all output filtering/overscan - Homebrew using the "SSF2 Mapper" is now supported via header detection like on the Mega Everdrive - Directory used for SRAM, EEPROM and savestates is now configurable - Path configuration values can now contain both BlastEm-specific and environment variable references - Open GL based rendering can be disabled in favor of the SDL2 render API fallback Bugfixes - Fixed a bug that would cause a crash in certain games that have SRAM and ROM at the same address - Fixed some issues with Z80 interrupts that caused issues with sound/music in - Sonic 2 and Puyo Puyo 2 - Z80 debugger no longer crashes when resuming execution - Undocumented Z80 instruction "out (c), 0" now decodes properly - GDB remote debugging should now work with more recent versions of GDB - GDB remote debugging should now work on more recent versions of Windows - Overlapping instructions in self-modifying code no longer causes incorrect behavior - Z80 instructions "in c" and "out c" now work correclty on 32-bit builds - Specifying an output audio frequency higher than the FM frequency no longer deadlocks the emulator - Fixed memory map generation for games with 3MB ROM and SRAM at the 3MB mark Accuracy/Completeness Improvements - YM2612 SSG-EG and CSM modes are now implemented - VDP Mode 4 is now implemented in both Genesis and SMS mode - Basic emulation of refresh delays has been added - 68K interrupt latency has been made more accurate - CRAM contention artifacts (aka CRAM dots) are now emulated - DIVU/DIVS and MULU/MULS are now cycle accurate - MOVEM now performs the extra ignored read and has correct timing - The timing of serveral other 68K instructions has been fixed - Implemented 68K trace mode - SBCD flag calculation now matches hardware in 100% of cases - 68K -> VDP DMA now properly has a delay at DMA start rather than at the end of the transfer - A number of illegal effective address mode/operation combinations now properly decode as illegal instructions - Added emulation of the slow rise time of an IO pin that was changed to an input when it was previously outputting 0 - Partial support for the VDP test register - Partial support for the 128KB VRAM mode bit - Improved accuracy of low level sprite rendering details - Fixed handling of active/passive display transitions so that border extension tricks work - Fixed handling of horizontal interrupts in extended display areas - More accurate correspondance between horizontal counter and raster beam - Partial emulation of serial IO registers Other Changes - Added Japanese version of Street Fighter 2: The New Challengers to ROM DB - Added the following EEPROM games to the ROM DB: * Ninja Burai Densetsu * Rockman Mega World - Added ROM DB entries for the following games with incorrect region headers: * Another World (E) * Alien Soldier (J) * Light Crusader (J) * Castle of Illusion - Fushigi no Oshiro Daibouken (J) * Atomic Robo-Kid (J) - Added ROM DB entries for the following games which are incompatible with 6-button controllers: * King of Monsters * Combat Cars * Second Samurai * Dungeons & Dragons - Warriors of the Eternal Sun - Added ROM DB entries for the following games with fixed value registers: * Ya Se Chuan Sho * 16 Zhang Ma Jiang * Elf Wor * Huan Le Tao Qi Shu: Smart Mouse * Mighty Morphin' Power Ranges: The Fighting Edition * Super Bubble Bobble MD * Thunderbolt II - Added ROM DBentries for teh following games that have bad/missing SRAM headers: * Hardball III * Might and Magic - Gates to Another World * Might and Magic III - Isles of Terra https://www.retrodev.com/blastem/ -- ポーラステーション http://perry0517a.blogspot.tw/ --

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