Release.txt Driver File Contents (SMI721WCEAlpha1.zip)

* Change VRCLK to use 1/2MCLK for 800x600 16bpp
* Lower SM710 MCLK to 78 Mhz
* Change the return of Frame Buffer address to virtual address
* Update DirectDraw WaitForVertivalBlank, HalLock, HalFlip functions
* Fixed and update Overlay implementation, incl. support for various surfaces & bpp, ceplayit, etc
* Move AutoPC display from Video I to Video II, for consistency in DirectX Overlay support
* Added 640x350x16 special mode
* Added DSTN support for DualApp
* Added more DSTN support ie. memory protection, FIFO calculation
* Patched software cursor so that it works in 8, 16, & 24 bpp
* Added 800x600 16bit DSTN support

                        +------------------------------+
                        |                              |
                        |  Version Beta 1 : 11/07/00   |
                        |                              |
                        +------------------------------+
* Patched Blt & Line functions to support various Width size of surface.
* Optimized memory usage of surface allocation.
* Uses LFBPhysical to denote the physical starting address of linear video memory.
* Added DEFAULT video mode as a way for WinCE to request preferred mode.

                        +------------------------------+
                        |                              |
                        |  Version Alpha 6A : 10/27/00 |
                        |                              |
                        +------------------------------+
* Added DirectDraw Overlay support
* Upgrade the Video Memory Surface by using SurfaceHeap

                        +------------------------------+
                        |                              |
                        |  Version Alpha 6 : 10/23/00  |
                        |                              |
                        +------------------------------+

* Added basic DirectDraw support ie. Init, Caps, Surface, Flip
* Change option name 'DualView' to 'DualApp' to avoid confusion.
* Added SM820 support.
* Fixed memory leakage problem for power management (delete surface).

                        +------------------------------+
                        |                              |
                        |  Version Alpha 5A : 05/12/00 |
                        |                              |
                        +------------------------------+

* Added SM720 support. 
* Added DualApp Mode support for many different modes.
* Update software cursor support to support DualApp Mode.
* Added Power Management support. 

                        +------------------------------+
                        |                              |
                        |  Version Alpha 4 : 03/07/00  |
                        |                              |
                        +------------------------------+

* Added a new PMI parser for custom configurations.
* Changed timing for TruckPC panel.

                        +------------------------------+
                        |                              |
                        |  Version Alpha 3 : 01/10/00  |
                        |                              |
                        +------------------------------+

* Fine-tuned 400x234 8-bpp resolution for Toshiba panel (AutoPC).
* Added software cursor support for AutoPC.

                        +------------------------------+
                        |                              |
                        |  Version Alpha 2 : 01/08/00  |
                        |                              |
                        +------------------------------+

* Added 400x234 8-bpp resolution for Toshiba panel (AutoPC).
* AutoPC is now hardcoded to SM71x chipset.

                        +------------------------------+
                        |                              |
                        |  Version Alpha 1 : 11/03/99  |
                        |                              |
                        +------------------------------+

: OVERVIEW :
============

* Support for the following SMI chips:
  - SM810 LynxE
  - SM820 Lynx3D
  - SM710 LynxEM
  - SM712 LynxEM+
  - SM720 Lynx3DM

* Verified support for the following platforms:
  - CEPC platform using Intel x86 CPU
  - Hitachi S1 platform using SH4 CPU

* The following resolutions are supported:
  - 640x480x8, 640x480x16, 640x480x24
  - 800x600x8, 800x600x16, 800x600x24
  - 1024x768x8, 1024x768x16, 1024x768x24
  - 704x468x16 (Toshiba panel)
  - 320x80x8 (Planar panel)

* Standard resolution is automatic. The panel size determines the resolution.
  For the special Toshiba and Planar panels, flags in the registry dtermine the
  correct panel and resolution.

* Virtual Resolution has been added. You can enable them in the registry. When
  Virtual Resolution is enabled, the panel will become a window in a larger
  desktop space. The mouse is used to pan the panel around in the desktop space.

* DualApp Mode has been added. You can enable it in the registry. When DualApp
  mode is enable, the desktop size will be extended to two different monitors.

* Registry settings in the HKEY_LOCAL_MACHINE\Drivers\Display\SMI key:
    - Bpp (DWORD)         --> Determine the number of bits per pixel (for
                              standard modes). Valid values are 8, 16, and 24.
                              Default is 8.
    - AutoPC (DWORD)      --> If non-zero, use Toshiba panel and 704x468x16
                              resolution. Default is 0 (OFF).
    - TruckPC (DWORD)     --> If non-zero, use Planar panel and 320x80x8
                              resolution. Default is 0 (OFF).
    - VirtualResX (DWORD) --> Virtual Resolution width in pixels. Default is 0
                              (OFF).
    - VirtualResY (DWORD) --> Virtual Resolution height in lines. Default is 0
                              (OFF).
    - PMI (String)        --> Specify the location of SVPMI file. Default is NULL
	                          (No file is used).
	- DualApp (DWORD)     --> If non-zero, enable the DualApp mode. Defailt is 0
	                          (OFF).

: BUILD OPTIONS :
=================

* The build is automatic for the CEPC platform (x86 CPU). For the SHx CPUs,
  there are two different build types:

  - AutoPC platform (AAK) --> set AUTOPC=1 in the environment before the build.
  - Hitachi S1 reference platform --> Automatic for SHx CPUs and no AutoPC
    platform.


: KNOWN PROBLEMS :
==================

* Timing is hardcoded in the driver. There is no easy way to override timings.
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