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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

Check Previous Changes