QDOS Internals

Anything you never knew you wanted to know about the Sinclair QL.

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qdosmsq:traps:trap_1:iopr

Table of Contents

SMS_IOPR

This trap sets the IO priority.

Call ParametersReturn Parameters
D0.B$2ED0.LCorrupted?
D2.WPriority.D2.LPreserved.

Errors

No errors are returned by this trap.

Notes

  • All registers not shown above are not used on entry and are preserved on exit.
  • The value in D2.W is set in system variables at address SYS_VARS + $CA.
qdosmsq/traps/trap_1/iopr.txt · Last modified: 2010/11/05 16:41 by george.gwilt