EmuNations

0.20WIP2 / 31-05-2021

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

• 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

--WIP1--

• 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