RISC OS Open

RISC OS  OPEN


A fast and easily customised operating system for devices using ARM processor cores.

Documentation: OS_Release

Programmer’s Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_Release

OS_Release

(SWI &20)

Entry
R0 Vector number
R1 Address of releasing routine
R2 Value given in R2 when claimed

Exit
R0 Preserved
R1 Preserved
R2 Preserved

Use

The purpose of this call is to remove a routine from the list of those that claim a vector.

Notes

This removes the routine, which is identified by both its address and workspace pointer, from the list for the specified vector. The routine will no longer be called.

See also

   .