DOS_SET_ACCESS

Categories:

• spectrum
• spectrumAPI

Function	Address	Description
DOS_SET_ACCESS	0145	Change access mode of an open file

Synopsys

Try to change the access mode of an open file.

This routine will fail if the file is already open, in an incompatible access mode, or if write access is required for a read-only file or disk.

Entry Parameters

Register	Content
B	File number 0…15
C	Access mode required: Bits 0…2: 1 = exclusive read 2 = exclusive write 3 = exclusive read/write 5 = shared read Bits 3…7 =0 as reserved

Exit Parameters

If OK

Carry true

A corrupt

Otherwise:

Carry false

A = Error code

Always:

BC DE HL IX corrupt, all other registers preserved.