## Display Device Driver Reference for OS/2

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### What's New

There were no major changes to this release of the Display Device driver Reference.

The table that appears in OS/2 Version Compatibility Considerations identifies any compatibility issues associated with updates made to this book.

Try Our New Improved Model!

Are you tired of device-driving late into the night? You may want to consider using the new GRADD (short for GRaphics Adapter Device Driver) model to write your next video driver on OS/2 Warp, Beta Version 99.99.

The GRADD driver model, provided on this DDK CD, requires 10 times less lines of code than previously required to write an OS/2 video device driver . Some of the advantages incorporated in the GRADD model include the following:

Simplifies development effort
Reduces cycle time
Allows incremental development; requires fewer mandatory functions
Both This eliminates the need to write a seamless WinOS/2 driver.
If you are writing new video drivers for OS/2 Warp, Beta Version 99.99, you can take advantage of these development savings. Refer to the GRADD Device Driver Reference and code samples on this CD to get started today.