EmuNations

0.20WIP5 / 23-11-2021

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

--0.20WIP5--

• 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 device

• Spectrum
      +Spectrum 16K/48K fixed screen timings

• Dec0 HW
      +Super Real Darwin: Inverted coin input

• Karate Champ
      +Added driver with sound

• Pacman HW
      +Enhance IRQs
      +Ms Pac Man Twin
          -Added driver with sound

• Renegade
      +Fixed dipswitches

• Seta HW
      +Thundercade
          -Added driver with sound
      +Twin Eagle
          -Added driver with sound
      +Thunder & Lightning
          -Added driver with sound

• StarForce
      +Fixed X scroll in background

• The 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 sound

• Mario Bros.
      +Added quick snapshots

• Sega 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 others

• Sega 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 mode

• Super 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 HALT

• Gameboy/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