Difference between revisions of "OSWORD &FC"
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Latest revision as of 19:13, 8 March 2015
OSWORD &FC (252) - DOS CRTC Control 80x86 DOS
The control block is ignored, so for speed, set XY?0=0 and XY?1=0.
Commands are sent from the 80x86 via Tube register 2:
b7=0 - program CRTC, command specifies register, next byte sent
through register 2 is the CRTC data.
&FC - write to mouse port (does nothing)
&FD - intercept events
&FE - initialise mouse driver
&FF - finish. All other commands finish the transaction.
See Also
Jgharston 14:28, 26 May 2009 (UTC)
