2003/04/04
	- Keyboard Mouse DirectX ؼ   ۵ϵ .
	- CDIMouse  CMouseCard ϼ. 콺 . ( C6821 ۼؼ  )
	- CScreen::ChangeMode(WORD addr)  HISCR   .
	  SS_80COL ¿   PAGE2 Accessϵ .
	   CAppleIOU CScreen  HISCR ¸  ִµ
	  ̿   ʿ. ¼ CScreen  ° Ǿ ־, CAppleIOU
	  SS_80COL ¸ Ȯ ʾұ   . ߿ ڷḦ Ȯ  .
	  ƹư   Spy vs Spy III    GEOS 콺 ͷƮ ߻
	  ȭ   ذ.
	- VBLBAR  .  rand() ׳ óߴ  ȭ鿡 refresh ٷ 
	  VBL ߻ϵ . VBL ð   4550 cycle(4443 us) .
	  Scan frequency    ϸ VBL ߻ 󵵰 Բ ޶.
	  ׷ VBL duration  ʴ´. ߿ ׻ 60Hz VBL ߻ϵ  .
	  콺 VBL Interrupt .

2003/04/16
	- CDiskImage  CDiskDrive disk image   и
	- CDiskDrive CDiskInterface  .
	  CDiskDrive ϴ  Ϻθ CDiskInterface . ̰  ۵ ġѴٰ Ǵ.
	- CDiskImageDos ϼ. DOS ̹ ܿ nibble, prodos ̹ 䵵  
	- CDiskDrive ؼ rpm 300rpm ǵ . ̿  Copy II plus 
	  Writeÿ ߻ϴ  . Enhanced  ϴ Disable .
	- CDiskDrive Disk Readÿ Motor   ƹ ̳ ȯߴ  latch 
	  ȯϵ . ̴ Motor ߾ Ȯϱ  ReadǴ   θ Ȯϴ
	  Prodos GEOS Drive/Slot  ǰų еǴ  ذѴ.
	  ̿ Բ  ÷ ׽Ʈغ  Read κ .
	- CDiskDrive, CAppleStatusBar ؼ ũ Ͱ ͸   1ʵ Ͱ ư
	  .  Write ǥϴ   Read ȯǴ 1/10ʰ ǵ .
	  Motor Write ̴ Motor 1ʰ  Motor ư Write 1/10ʰ
	  Ǵ  Writeÿ ϰ Read(Blud) Write(Red) ̴   ̴.
	- C65c02  (Indirect),Y AddressingĿ Cross checking  ʾƼ clock 꿡 1 ̰
	    . ̰ DiskMuncher α׷ ÿ clock 31 ͼ  
	  ʴ  ذ( nibble ϳ 32 clock̾ Ѵ. )
	  ̿ Բ (Indirect,X)  Cross checking ߰.
2003/04/17
	-  ũ   ȭ  Ѿ  
	- Apple ȭ  Ʒ 4 line  . CScreen::OnPaint DDERR_SURFACELOST  ߻ 
	  Present() restore() ϹǷ ѹ  ٽ Present ȣؼ Surface Ǿ
	  ٽ ׸ .
	- DirectDraw hWnd CMainFrame Ǿ ִ  CScreen 
	  Clipper CScreen ؼ â   ̴ٺ Tool Bar Status Bar
	   ȭ ׷  .

***   Que

[ܱ]
- Ű忡 ± ߰, Ÿ  ɼ  ϵ(F10  Ŀ 鼭 Ǻֱ )
- HISCR κ Ȯ ( CAppleIOU CScreen   ޸ Access õ κ  )
- VBL  60Hz ߻ϵ ϸ鼭  ȭ Refresh͵ sync ߵ 
  ƹ Video Scan Frequence 60Hz 30Hz Ѹ ϵ ؾ  .
  ʿ  50Hz 25Hz   ְڴ.
- Disk Drive Enhanced ۼ.
- Phasor(Mocking board) Speech α׷ ϸ ߴ  ذ
  ̰ Votrax SC-02    Ǹ Interrupt ߻ϵ Ǿ ִµ
  Votrax  ٷ Interrupt ߻ϵ ؼ  ʰ  Ѵ.
  --> Phasorα׷ 6522 IE  ʴ´.  CA1 ص Interrupt ߻ ʴ
       ߻.. ϴ 
- IOU(MMU) κ .  soft switch, Ư dhres aux κ ׽Ʈ
-  ǥ â Ʒ  .( 4 line  )
-  Disk Image . ̸  ̹  Ǵϴ ˰  ʿ.
- ü ȭ  . 640 * 480     ...
[]
- Memory Extention Card . ̿ õ Apple Works III .
- CP/M Card . Memory Card   ī ڷḦ ؾ .
- Low res graphic 忡 80 column 
- Profile 뷮 ũ 
