
0.22WIP2 / 24-05-2023
DSP
Accuracy
Performance
Features
DSP is an open-source emulator which emulates multiple arcade machines, Spectrum, Phoenix, CPC, Colecovision and more..
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Most Recent Changes
--0.22WIP2--
-General
+CPU
-M6502
+Fixed timings before internal timer call
+Added some opcodes for 2xNOP and 3xNOP
-Z80
+Fixed timings before internal timer call
+Some updates to internal procedures
+Tape System
-Added procedures to call before tape play and after play
-Fixed WAV format tapes loading
-Added Oric TAP file format support
-Fixed main speed changes when a tape is playing
+Devices
-VIA6522: Added device
-Amstrad CPC
+Enabled Z80 timings (fixes Saboteur II and many others)
+Rewrited video to update screen pixel by pixel
+Fixed tape loading with new Z80 timings
-Coleco
+Black Onix: Added 24C08 eeprom
+Boxxled: Added 24C256 eeprom
-Commodore 64
+Swapped joystick 0 and joystick 1
+Added F1 to start/stop tape loading
-NES
+Fixed mapper 9
+Added partial mapper 10 (thanks to Neville)
-Oric HW
+Added support for tape loading, AY-8910 sound and keyboard
-Oric 1: added driver with sound
-Oric Atmos: added driver with sound
-Sega System 1/2 HW
+Changed Z80 timings, fixes Pitfall II intro
--0.22WIP1--
-General
+Updated wiki
+Updated preview images (thanks to Nevile)
+Update SDL2 library to 2.26.5
+CPU
-NEC V20/V30/V33
+Implemented sound timers
+Added NMI
+Added many EA types
+Fixed PUSH/POP CPU flags
+Added opcodes $0f18, $0f19, $0f1a, $0f1b, $0f1c, $0f1d, $31, $34, $68, $6a, $6b, $82, $8308, $8320, $8330, $8d, $91, $92, $93, $94, $95, $97, $c008, $c020, $c028, $c120, $c128, $c8, $c9, $d110, $d200, $d220, $d228, $d3, $e3, $e4, $ec, $ee, $ef, $f2a4, $f2a5, $f2af, $f618, $f620, $f630, $f720, $f728, $f730 and $f738
-Z80
+Added (again) functions to change CPU timmings
+Fixed some timmings and timming calculation
+Sound
-Seibu sound
+Rewrited and converted to class
+Added internal Z80, ADPCM, sound chip and controls
+Changed CPU mappers to internal
+Removed fake adpcm, using standar MSM5205
-MSM5205
+Converted to class
+Devices
-Added i2c eeproms
+File engine
-Changed CRC variable to unsigned 32bits
-Amstrad CPC
+Fixed keyboard matrix reads (Fixes 'Night Shade')
+Added specific Z80 timmings, but breaks tape loading, so they are disabled
-Bloodbros HW
+Added new seibu sound system
-Cabal
+Added new seibu sound system
-Raiden
+Added new driver, but have some CPU bugs, sounds fails and controls are not working
-Shadow Warriors HW
+Shadow Warriors: added driver with sound
+Wild Fang/Tecmo knight: added driver with sound
-Toki
+Added new seibu sound system
-Twins HW
+Twins: added driver with sound
+Twins (Electronic Devices): added driver with sound
+Hot Block - Tetrix II: added driver with sound
--0.21Final--
-General
+Added some SDL2 functions to autoselect the best video format when switch to full screen
+Fixed some export ROM data (thanks to Neville)
+Fixed a stupid bug creating pixel buffer
+CPU
-M68000
+Fixed opcodes divu and sbcd (thanks to Neville)
-SG-1000
+Added HOLD button
-Sega Master System
+Fixed 'Pause' button, now works
-Mega System 1 HW
+Fixed RAM byte write (fixes '64th Street - A detective story' protection)
--0.21WIP6--
-General
+Updated SDL library to 2.26.3
+Updated preview images
+Remove arcade keys when not using arcade drivers
+CPU
-M68000
+Split read/write byte flags
+Enhanced timings
+Fixed opcodes addi.l, addq.l, sbcd.rr, abcd.rr, roxr.w, roxl.w, rol.w, asr.b, lsr.b, roxr.b, ror.b, asr.w, lsr.w, ror.w, asr.l, lsr.l, roxr.l, ror.l asl.b, lsl.b, roxl.b, rol.b, asl.w, lsl.w, asl.l, lsl.l, roxl.l, rol.l
+Added movem.w $38 efective address
-MCS51
+Added opcodes $38..$3f, $62, $63, $64 and $b1
+Fixed external get/put byte with no function
-fd1089: Updated decode functions
+Sound
-SEGA PCM: Added stereo
-SN76496: Added stereo
-VLM5030: Added stereo
-YM2203: Added stereo
+Updated key redefine names
-'COIN' --> 'COIN/SELECT'
-'START' --> 'P1/START' or 'P2/START'
-Gauntlet
+Gauntlet: Renamed ROM zip to 'gauntlet'
+Gauntlet II: Updated ROMs to v2
-Hang-On HW
+Hang-On: added driver with sound
+Enduro racer: added driver with sound
+Space Harrier: added driver with sound, some sprite problems (M68000 bug?)
-Mega System 1 HW
+Fixed all video issues
-Fixed graphics layers
-Fixed scroll
-Fixed sprites
+Fixed graphics decode
+Rod Land
-Updated ROMs
-Added graphics decrypt
+64th Street - A detective story: added driver with sound
-Outrun
+Fixed tile buffer size and activation
+Fixed missing sprites
+Fixed tiles transparency
+Fixed tiles priority
-Sega System 16A HW
+Fixed graphics decode
+Fixed sprite ROMs and decode to 16bits
+Fixed tiles transparency
+Fixed tiles priority (very obious in WB3 end zone)
+Alien Syndrome: Updated fd1089 ROM decode key
+Wonder Boy III: Updated fd1089 ROM decode key
-Sega System 16B HW
+Fixed disabled screen
+Fixed tiles transparency
+Fixed tiles priority
+Fixed tile buffer activation
--0.21WIP5.1--
-General
+Change between drivers is faster now
+Fixed joystick SDL 2 support! Changed hint function before SDL init, and works with all SDL 2 versions (removed SDL 2.0.16)
+Added start and coin/select in player redefinition page
+Start and coin/select keys can be mapped to joystick buttons
-Sega Master System
+Remapped 'Pause' button to coin/select button
-Sega Game Gear
+Removed 'Pause' button (doesn't have it)
--0.21WIP5--
-General
+Find a bug on new releases of SDL 2 library, joystick stop working when main window loses focus. Changed to SDL 2.0.16, works fine with this version
-Added SDL 2.0.16 for download
+Enhanced joystick support
-New redefine buttons system, select and press the button to use it
-Rewrited joystick internal functions
+Windows: Removed mouse cursor, slows down everything when enabled
+Lazarus: Added 'follow me' window style. The main emulation window follows select window when it moves.
-CPS1 HW
+Added 3 extra players buttons, 'Street Fighter II' now works with all buttons
+Better row scroll, still not working
-Super Duck
+Added driver with sound
-Tiger Road
+Added sprite buffer
--0.21WIP4.2--
General
+Fixed - Emulator losses focus and keyboard stop working (Thanks to Neville)
+Updated SDL library to 2.26.1
Coleco
+Fire button 1 and 2 switched
+Fixed error message loading a cartridge
--0.21WIP4.1--
-Lazarus
+Fixed image preview error
+Fixed linux sort games
+Added check for SDL2 Mixer present, needed for linux and MacOSGeneral
+Fixed - Emulator stops with no reason (Thanks to Neville)
+Better console game files loading, better error handling
+Better tape files loading, better error handling
+Fixed remembering last open dir for all systems
+Better fullscreen mode (Press F6)
--0.21WIP4--
General
+Update preview images, added images for new drivers
+Konami K051316
-Begin implementation, still WIP
+CPU
-HD6309: Fixed opcodes $2c, $2d and $2f
-Konami CPU
+Fixed opcodes $66, $67, $6e, $6f, $76, $77, $7e, $7f, $b4 and $b5
+Added opcodes $74, $bc, $be, $c6, $cc, $cd and $ce (Fixes 'The Simpsons', it's playable to the end)
-M6809: Fixed opcodes $2c, $2d, $2e and $2f
+Konami 053246
-Fixed shadows
+Sound
-AY8910
+Added gain per channel
+Fixed AY8912 PORTB channelAjax
+Added K051316 video chip
Ambush
+Added driver with sound
Kyugo HW
+S.R.D. Mission: Added driver with sound
+AirWolf: Added driver with sound
Mag Max
+Added driver with sound
Nemesis HW
+Rewrited screen flip, fixes TwinBee
The Simpsons
+Fixed video settings
+Added sprites dma interrupt enable/disable
Thunder Cross HW
+Fixed sprites priority
--0.21WIP3--
General
+Update preview images, added images for new drivers
+Update SDL library to 2.24.1
+Added sort options in game list menu. You can sort computers, Game & Watch, consoles and arcade (and arcade subtypes sport, run & gun, shot, maze, fight and drive)
+CPU
-Konami CPU: Fixed opcodes $6f, $76 and $7e. Fixes 'The Simpsons', which it's fully playable now.
+Konami 052109
-Fixed scroll, now 'Ajax' works fine.China Gate
+Added driver with soundSide Arms
+Added driver with soundSpeed Rumbler
+Added driver with sound
--0.21WIP2--
General
+Update preview images
+New option for consoles, now you can choose if you want start the driver with the window for loading games open or not
+Sound options simplified, now you can choose 'enabled' or 'disabled'
+Fixed label 'load disk' in console cartridge 'open' icon, now shows 'load game'
+If no game is loaded, shows a image, not just an empty window
+Fixed window priority, if a option window is active, the window behind is disabled
+Added some languaje translations in main config menu
+Changed 'Show game list', 'Configure DSP' and 'Save screen' icons
+Changed 'Show game list' and 'Configure DSP' position in main window
+Sound: removed 11025Hz and 22050Hz sample quality, they are useless!
+CPU
-M6805: Added opcodes $21, $56, $6a, $7a, $7f and $c1Amstrad CPC
+If a CDT tape is loaded and there is no pause block at the beginning, a 2000ms pause is added to the virtual tapeArkanoid
+Added driver with sound (Not correct sound chip)Renegade
+Fixed input
+Fixed sprites
--0.21WIP1--
General
+Z80 CTC: converted to class
+Added close function to many devices
+Sound: Make internal sound buffer bigger
+CPU
-M6809: Added opcodes $01, $29 and $1X2e
-M680X:
+ Added opcodes $47,$c2,$c9,$d9,$f0 and $fb
+ Opcode $f3 is not for M6808-Senjyo HW
+Update driver to new CTC
+Senjyo: Fixed ROMs export size (thanks to okurka)MCR HW
+Tapper: added driver with soundWilliams HW
+Fixed sound
+Joust: added driver with sound
+Robotron: added driver with sound
+Stargate: added driver with sound
--0.20Final--
General
+Changed transparent color (fixes 'Thunder & Lightning' sprites)
+CPU
-UPD78XX
+UPD7801
-Fixed IRQs
-Fixed timers
Amstrad CPC
+Fixed green monitor palette
+Added green monitor brightness
Coleco
+Fixed snapshot loading
Super Cassete Vision
+Fixed remain issues
+Fixed BASIC Nyuumon RAM
Ninja Kid II HW
+Fixed sound init
Seta HW
+Thunder & Lightning: added protection
--0.20WIP9--
General
+Updated SDL library to 2.0.22
+CPU
-UPD78XX
+Added many, many opcodes and fixed many others
+Added UPD7801 opcode timing tables
+Fixed IRQs
+Fixed outportsAmstrad CPC
+Rewrited CRT video emulation
+Added green monitor option
+Fixed scroll hardware
Super Cassete Vision
+Added video emulation
+Added Sound
+Added input
+Added ROM banking
+Everything moves slow... And I dont know why...
--0.20WIP8--
General
+ROMs export
-Fixed Sly Spy ROMs info (Thanks to Neville)
+CPU
-Z80
+Added M1 raise signal (read opcode)
-M6800
+Added HD63701Y0 CPU
+Fixed internal read/write registers
+Fixed opcodes BHI and BLS (ouch!)
+Added opcode RORAAmstrad CPC
+Speed up video
+Dandanator added initial support
Black Tiger
+Fixed MCU CPU clock
+Added video HW specs
Commando
+Fixed main CPU clock
+Added video HW specs
Ghost'n Goblins
+Added video HW specs
Gun.Smoke HW
+Added video HW specs
-The Legend of Kage
+Rewrited video driver
-Fixed proirity BG/FG/Sprites
-Fixed disable screen
Outrun (Thanks to Neville)
+Fixed palette
+Fixed shadows
Senjyo HW (called StarForce before)
+Fixed video buffer
+Added BG stripe and radar
+Added char flip
+Added Senjyo driver with sound
+Added Baluba-louk no Densetsu driver with sound
Super Dodgeball
+Added driver with sound
Sega System 16A HW (Thanks to Neville)
+Fixed palette
+Fixed shadows
Sega System 16B HW (Thanks to Neville)
+Fixed palette
+Fixed shadows
--0.20WIP7--
General
+Simplified drivers initialization
+Deco BAC06
-Added video buffer
-Fixed sprite RAM size
-Fixed row & col scroll
+Samples
-Now you can specify the source file (fixes sample load from 'New Rally X')
+CPU
-M68000
+Added opcode 'ror.w' (fixes E-Swat)
-M6800
+Fixed opcodes LSR, ROR, LSRD, ASLD, DAA, BHI and BLS
+Fixed flags from RTI (Fixes 'Knockle Joe')
Act Fancer
+Updated ROMs
-Contra
+Fixed Sound CPU clock
-Deco 0 HW
+Fixed many graphics issues
+Changed FPS, adjusted lines
-Sly Spy: Added driver with sound
-Bouder Dash I/II: Added driver with sound
-Epos HW
+The Glob: Added dip switches
+Superglob: Added dip switches
Megazone
+Fixed CPU clock
+Fixed scroll
+Updated ROMs names
Pengo
+Added dip switches
Popeye
+Fixed CPU NMI
Route 16 HW
+Fixed DAC reset
Slapfigth HW
+Removed sprites buffer
+Added dip switches and P2 controls
+Fixed video lines
+Fixed IRQ generation
+Fixed CPU memory map
+Added sound CPU reset
TNZS HW
+Fixed YM2203 init
Twin Cobra HW
+Added dip switches
--0.20WIP6--
Happy 20th aniversary!
More than 200.000 code lines
More than 300 arcade games
10 8bits computers
8 home consoles
19 CPUs emulated
29 sound chips
General
+Updated SDL library to 2.0.20
+Analog control: Addded selection of X or Y axis inverted
-Genesis/Megadrive
+Started a new driverMr Do!
+Fixed colors
+Added dipswitchCrystal Castles: Added driver with sound
Flower: Added driver with sound
Mr Do Castle Hardware
+Mr Do Castle: Added driver with sound
+Do! Run Run: Added driver with sound
+Mr Do Wild Ride: Added driver with sound
+Jumping Jack: Added driver with sound
+Kick Rider: Added driver with sound
+Indoor Soccer: Added driver with sound
--0.20WIP5--
General
+CPU
-MCS48
+Added I8042 CPU type
+Fixed IRQs
+Added opcodes $02,$08,$22,$35,$40,$41,$60,$61,$65,$86,$89,$8a,$90,$c7 and $d6
+Fixed opcodes $10,$11 and $57
Sega GameGear
+Added Master System video compatibility
+Added CodeMasters Mapper extra RAM
NinjaKid II HW
+Added dipswitches
+NinjaKid II: Added PCM sound
+Atomic RoboKid: Added driver with sound
StarForce
+Updated ROMs names
Sega System 16a
+Added PCM sound
The New Zealand Story HW
+Extermination: Added driver with sound
--0.20WIP4--
General
+Seta Sprites: Added new device
+CPU
-M6502
+Added M65CE02 CPU type. Added many specific opcodes
+Lens Lock
-Fixed Amstrad decode mode
+Seta X1-010
-Added new sound deviceSpectrum
+Spectrum 16K/48K fixed screen timingsDec0 HW
+Super Real Darwin: Inverted coin inputKarate Champ
+Added driver with soundPacman HW
+Enhance IRQs
+Ms Pac Man Twin
-Added driver with soundRenegade
+Fixed dipswitchesSeta HW
+Thundercade
-Added driver with sound
+Twin Eagle
-Added driver with sound
+Thunder & Lightning
-Added driver with soundStarForce
+Fixed X scroll in backgroundThe New Zealand Story HW
+Rewrited video system, now uses Seta Sprite device
--0.20WIP3--
General
+Joystick: Some changes to enhance configuration
-Commodore 64
+Snapshots: Initial support for VSF (Vice Snapshot File)Burguer Time HW
+Code cleaning
+Burguer Time: Update decryption, more speed
+Lock'N'Chase: Added driver with sound
+Minky Monkey: Added driver with soundMario Bros.
+Added quick snapshotsSega System 1/System 2
+Fixed slowdowns and clean code
+Added quick snapshots
+Enhanced video buffer, more speed
--0.20WIP2--
General
+CPU
-UPD78XX
+Added sub CPU 7801
+Added many opcodes, and fix othersSega Master System
+Fixed IRQ in SMS video mode (Fixes 'Nemesis', 'The Simpsons - Bart vs. the Space Mutants', etc)
+Fixed memory initialization with value $f0 (Fixes 'Alibaba and 40 Thieves', 'Micro Xevious', etc)
+Change palette of TMS video modeSuper Cassette Vision
+Added preliminary console driver (to fix CPU 78XX and enhance Taito CChip!)Toaplan 1
+Added preliminary driver for the system
-Hellfire: Basic driver
--0.20WIP1--
General
+CPU
-LR35902
+Add 4T when take an IRQ and comes from HALTGameboy/Gameboy Color
+Fixed background/window/sprites prorities. Finally understood how it works and renders the screen and objects
+Fixed window line draw (Fixes 'Star Trek', 'Marblemadness', 'International Karate' and many others)
+Fixed stupid bug in Gamboy Color video RAM
+Fixed Gameboy Color background color (Fixes 'Yoda Stories')
+Fixed sprite/sprite priority
+Fixed when LCD is disabled, LCD-stat is 0
+DMA - Fixed data origin
--0.18b3--
General
+Preview picture
-Cosmetical changes: bigger with black background and scaled picture
-Added picture to Spectrum Plus 2A, SG-1000 and GameGear. Split GameBoy and GameBoy color pictures
Gameboy/Gameboy Color
+Better drawing priorities, still not perfect
+Window: fixed priorities with sprites (Look at 'Prehistorik Man')
+Fixed controls order reading (Fixes new version of 'Robocop' - Thanks to Neville)
+Small fix to serial (Fixes 'Lunar Lander', 'Hyper Dunk' and many others)
Suna 8 HW
+Hard Head 2
-Fixed palette