Legacy Document

Important: The information in this document is obsolete and should not be used for new development.

Chapter 4 - Vertical Retrace Manager / Vertical Retrace Manager Reference

Vertical Retrace Manager Routines / Utility Routines

AttachVBL
The AttachVBL function changes the slot number of the primary video monitor.
FUNCTION AttachVBL (theSlot: Integer): OSErr;
theSlot
The new slot number for the primary video monitor.

DESCRIPTION
The AttachVBL function changes the slot number of the primary monitor to the number specified by the theSlot parameter. System software uses this routine to ensure correct cursor updating.

ASSEMBLY-LANGUAGE INFORMATION
The registers on entry and exit for AttachVBL are
Registers on entry
D0 Slot number

Registers on exit
D0 Result code

RESULT CODES
noErr 0 No error
slotNumErr -360 Invalid slot number

Registers on entry
D0	Slot number

Registers on exit
D0	Result code

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Legacy Document

AttachVBL

DESCRIPTION

ASSEMBLY-LANGUAGE INFORMATION

RESULT CODES noErr0No error slotNumErr-360Invalid slot number

RESULT CODES
noErr 0 No error
slotNumErr -360 Invalid slot number