Anonymous user
Bochs VBE Extensions: Difference between revisions
→Checking availability
| [unchecked revision] | [unchecked revision] |
Line 37:
=== Checking availability ===
To check whether the BGA is available, read the value from VBE_DISPI_INDEX_ID (0). If it equals
If for some reason you want Bochs to emulate an older version of the BGA, you can write the desired version to VBE_DISPI_INDEX_ID (0). If succesful, reading the register again will return the value just set. This is used by the Bochs VGA BIOS to ensure it is run with the right version of Bochs. If done from an application (or your OS), this will break compatibility with the Bochs VBE BIOS, which expects the latest version.
| |||