User interface - video messages


 
Contents:
00010000 to 0001FFFF - Video (from application)
00012080 to 00017F80 - Update screen buffer
00110000 to 0011FFFF - Video (from driver)
0011E000 - Connect video device
0011E800 - Disconnect video device


00010000 to 0001FFFF - Video (from application)


00012080 to 00017F80 - Update screen buffer
Data1    Size of block
Data2    Address of block
These functions are sent blocks not just messages. The video mode must be searched for in order to obtain the correct function number for a suitable video mode.



00110000 to 0011FFFF - Video (from driver)


0011E000 - Connect video device
Data1    Device message port ID
Data2    -
Normally used when the device driver starts.



0011E800 - Disconnect video device
Data1    Device message port ID
Data2    -
Normally used when the device driver shuts down.


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Copyright 1998, Brendan Trotter