OS_UpCall 19 (changes)

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OS SWI Calls

» OS_UpCall

» OS_UpCall 19

OS_UpCall 19

(SWI &33)

Use

The purpose of this call is to call inform your application that a missing filing medium has been supplied, or that an operation involving one has been cancelled.

Notes

This call is identical to OS_UpCall 4 except that the message pointed to by R1 is displayed. This is useful where there may be some time before another screen update, for example during printing.

See also

• OS_UpCall
• OS_UpCall 4