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           'MEGASIS'   MEGADRIVE / GENESIS Emulator for Windows95/98
                     Copyright(C) 1998 1999 J.T. / BORI

                   English Document :25th.Dec.1998
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About: MEGASIS
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  MEGASIS is Genesis/MegaDrive emulator for Windows95/98.

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System Requirements:
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  CPU
    Pentium 133Mhz or faster. (Pentium2 recommended)
  OS
    Windows95/Windows98
  other
    [GraphicCard] Complying with DirectDraw.
      (HardwareAccelaration recommendedj
    [SoundCard] Complying with DirectSound.
    [Joystic] Complying with DirectInput

  (IMPORTANT: not work with "4bit color" and "8bit color" mode.
   only "16bit color" and "32bit color" mode.)

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Support File Format:
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  BIN or SMD files.
  It will automatically detect the type of file. 
  but it may not work with select to strange file type.

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Key Assignes:
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 Defualt keys.

 [Keyborad]
  Direction: Cursor Keys
  A        : Z
  B        : X
  C        : C
  Start    : Enter

  And Joystic/Gmaepad will also work
  A        :Botton 1
  B        :Botton 2
  C        :Botton 3
  Start    :Botton 4


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Menu bar
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[File]
Load ROM File   - Load rom
Free ROM File   - Clear rom
CPU Reset       - Reset the emulator
Pause           - Toggle the emulator Pause/Continue
About           - Show the current version of MEGASIS
Exit            - Exit

[FrameSkip]
Auto            - Auto frameskip mode
1`8            - Manual frameskip mode. Frameskip with the specified value

[Country]
Auto            -Set up hardware automatically.
                 (Distinguish the social conditions of a country report of the ROM)
Japan           -select Japanese, American (USA) or European Machine
USA
Europe

[Screen]
Full screen     - Full screen mode
Window          - Window mode
Size Fit	- Expand a geme screen into the whole of the window.
High color 555  - Set the number of each bit of RGB of the video card in the color mode 16 bits in 555.
High color 565  - Try to choose this when a screen is blue at the time of the practice
x1-x4           - Specify the size of the screen. (Window mode only)
BG A,B          - Toggle each visual effect(Ex. BG,Sprite)
Sprite,Window     Turn it all on usually
SpriteOverEmu...- Sprite Over Clip ON.
DrawQuality     - Raster effect quality. (low - fast , high - good)

[Sound]
on              - Enable the sound output
off             - Disable the sound output
monaural        - Monaural sound mode
stereo          - Stereo sound mode
11.025khz       - Set a sound rate to <number>khz
22.050khz
44.100khz
YM2612-LogStart - Log "YM2612.GYM" file into "SAVE" directory.
YM2612-LogStop  - Stop to Logging.
YM2612-with PCM - Include PCM data into Ym2612 Log.

[Option]
KeySetting      - Change Key Assignes.

 
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Known bugs:
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 68000 CPU still bug.
-May cause some game to freeze.

 Z80 CPU still bug.
-May cause some game and PSG sound to freeze.

 It doesn't cope with 6 button pad, MultciTap,AnalogJoysitc, and so on.
 It can't be developed at present because of lack of the materials.

  and more.

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Update history:
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 11/Nov/1998 ver.0.01
-First Release. (alpha version)

 25/Dec/1998 ver.0.02
-Fixed a 68000 CPU bug
-Implemented Raster Scroll effects
-Implemented H-interrupt process 
-Added load/save SRAM data
-Implemented Z80 CPU
-Implemented PCM
-Implemented FM timer

 08/Apr/1999  ver.0.03
-Fixed 68000 CPU bug.
-Fixed Z80 CPU bug.
-Fixed Sprite priority.
-Fixed Sound routine. (Change 16bit sound form 8bit sound.)
-Fixed YM2612.
-Fixed PSG.
-Implemented Shadow,Hilight effect.
-Implemented SpriteOverEmulation.
-Implemented Controler 2 (Player 2)
-Implemented YM2612 Logging.

  05/Jun/1999  ver.0.04
-Fixed 68000 CPU , and speed up
-Fixed H-interrupt
-Fixed FMTimer
-Added LowQualityRasterEffect mode
-Speed up to Drawing
-Support 6Button
-Support BankSelectRom(P-Star 4)
-Support .gsv .ksb file read

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DISCLAIMER
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 This program is freeware.
 We take no responsibility for any damage or something, which may cause from
 using this program -

 YOU USE IT AT YOUR OWN RISK!

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Etc.
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HomePage
  http://www.geocities.co.jp/Playtown-Spade/3163/

Mail
  mailto:megasis@geocities.co.jp
  (Sorry,maybe an answer to the mail written in English becomes very slow.)

We apologize for our poor english.
Thank you!
