DDDR/2 - OS/2 Version Compatibility Considerations
From EDM2
Reprint Courtesy of International Business Machines Corporation, © International Business Machines Corporation
The following table lists information that has been added to or changed in this documentation since the availability of OS/2 Warp, Version 3. When writing a device driver, you will want to take into consideration these particular changes, which may affect the downward compatibility of these items.
| Item Added or Changed | Date Item Added or Changed | Compatibility of Addition or Change |
|---|---|---|
| Virtual Video Device Driver in DBCS chapter | March 1996 | OS/2 Warp, Version 3.1 and higher |
| DSPINSTL Script | November 1995 | OS/2 Warp, Version 3 and higher |
| Checklist for Palette Management Support | November 1995 | OS/2 Warp, Version 3 and higher |
| Protect-Mode Interface (entire PMI architecture) | April 1995 | OS/2 Warp, Version 3 and higher |
| Protect-Mode Interface (architecture for the .PMI file, a subset of PMI) | September 1994 Revised November 1995 |
OS/2, Version 2.1 |
| VIDEOPMI.DLL Information | April 1995 Revised November 1995 |
OS/2 Warp, Version 3 and higher |
| VIDEOPMI.DLL Exported Functions, descriptions in Chapter 16 | April 1995 Reformatted as APIs November 1995 and 2 new APIs added |
OS/2 Warp, Version 3 and higher |
