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           'MEGASIS'   MEGADRIVE / GENESIS Emulator for Windows95/98
                     Copyright(C) 1998-2001 J.T. / BORI

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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.

  zip and lzh files support ( see Etc. )
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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
Save State      - Save state
Load State      - Load state
State Bank(0-9) - state bank select
About           - Show the current version of MEGASIS
Exit            - Exit

[FrameSkip]
NoWait          - Don't wait for frame sync
Auto            - Auto frameskip mode
1`8            - Manual frameskip mode. Frameskip with the specified value
Show Rate       - display frame skip rate

[Screen]
Full screen     - Full screen mode
Window          - Window mode
SurfaceMemoryType - default : use graphic board driver default setting
                    SystemMemory : use system memory
                    VideoMemory : use graphic board memory
Size Fit  OFF   - Expand a geme screen into the whole of the window.
          ON    - window mode only.
          FULL  - window and fullscreen mode.
x1-x4           - Specify the size of the screen.
BG A,B          - Toggle each visual effect(Ex. BG,Sprite)
Sprite,Window     Turn it all on usually
SpriteOverEmu...- Sprite Over Clip ON.
Shodow/Highlight- ON/OFF

[Sound]
on              - Enable the sound output
off             - Disable the sound output
UseSoftwareMix  - use system meory and software mixing
monaural        - Monaural sound mode
stereo          - Stereo sound mode
11.025khz       - Set a sound rate to <number>khz
22.050khz
44.100khz
Wave   Start    - Log "Sound.wav" file into "SAVE" directory.
       Stop     - Stop to wave logging.
YM2612 Start    - Log "YM2612.GYM" file into "SAVE" directory.
YM2612 Stop     - Stop to Logging.
YM2612 with PCM - Include PCM data into Ym2612 Log.
Effect Echo     - Sound effect ON/OFF

[Option]
KeySetting      - Change Key Assignes.
HotKeySetting   - Change menu shortcut key assignes.
Checksum Fix    - fix to checksum
Country         - Auto : Set up hardware automatically.
                   (Distinguish the social conditions of a country report of the ROM)
                  Japan , USA , Europe : select Japanese, American (USA) or European Machine

68000 clock     - change 68000 cpu emulation clock
68000 pause     - 68000 cpu emulation stop/continue
Z80 pause       - Z80 cpu emulation stop/continue
 
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Known bugs:
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 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

  27/Apr/2000  ver0.05
-Added Save and Load state
-Added BG Shadow,Hilight
-Fixed 68000CPU
-Fixed VDP
-Fixed H-Int
-Fixed Z80 CPU
-Support FM-LFO (PMS only)
-Added WaveLog
-Added Menu shortcut key customize
-Added Sound effect

  18/Apr/2001  ver.0.06
-fixed VDP emulation
-added intelace mode2 emulation (320x448)
-fixed Shadow/Highlight emulation
-added 68000cpu clock setting
-added surface memory type select
-added NoWait emulation mode
-fixed 68000cpu bug
-added sound mixing mode
-added zip,lzh files

  19/Apr/2001  ver.0.06a
-fixed input controller read bug
-fixed zip,lzh file read bug


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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/

ZIP,LZH files
 The following DLLs are required to load ZIP and LZH files.

 UNZIP32.DLL Ver 5.4x
 UNLHA32.DLL Ver 1.54a

 Common Archivers Library
 http://www.csdinc.co.jp/archiver/
 http://wakusei.cplaza.ne.jp/archiver/ (mirror)

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!
