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| Code Block |
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| language | none |
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| title | DR_GET ($01), get a handle for a DOR name (internal usage) |
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IN: -
OUT, if call successful:
Fc = 0
IX = DOR handle
A = minor type (device, always)
Registers changed after return:
..BCDEHL/..IY same
AF....../IX.. different
Do not use this call. Instead use GN_Opf with A = OP_DOR to obtain a DOR handle. |
Note
- Operating system only. Do not use this call.
- Instead use OS_Dor / DR_OP or GN_Opf / OP_DOR to obtain a DOR handle.
| Code Block |
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| language | none |
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| title | DR_DUP ($02), duplicate DOR |
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IN:
IX = DOR handle
OUT, if call successful:
Fc = 0
BC = duplicate DOR handle (IX is still valid)
OUT, if call failed:
Fc = 1
BC = 0 (IX is still valid)
A = error code
RC_HAND ($08), bad DOR handle
Registers changed after return:
....DEHL/IXIY same
AFBC..../.... different |
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| Code Block |
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| language | none |
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| title | DR_DEL ($07), delete DOR |
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|
IN:
IX = DOR handle
OUT, if call successful:
Fc = 0, DOR deleted
IX = 0
OUT, if call failed:
Fc = 1
A = error code
RC_HAND ($08), bad DOR handle
Registers changed after return:
..BCDEHL/..IY same
AF....../IX.. different |
Note
This call deletes a DOR node and deallocates its memory used by filesystem (DN_Fil minor type only)
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| Code Block |
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| title | DR_FRW ($0D), file record write (OZ 5.0 and newer) |
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|
IN:
B = record type letter (Name, Creation, Update, eXtent, Efs, Attribute)
DE = user buffer address (to store information to be written, always local, in S0 or S1)
IX = DOR handle (device or file type)
OUT, if call successful:
Fc = 0
original IX DOR handle is still valid
OUT, if call failed:
Fc = 1
original IX is still valid
A = error code
RC_BAD ($04), bad argument
Registers changed after return:
A.BCDEHL/IXIY same
.F....../.... different |
Note
Read notes about DR_FRR.
| Code Block |
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| title | DR_USE ($0E), handle in use (OZ 5.0 and newer) |
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|
IN:
IX = DOR handle
OUT, if call successful:
Fc = 0
handle or device is NOT already in use
OUT, if call failed:
Fc = 1
original IX is still valid
A = error code
RC_USE, already in use
Registers changed after return:
..BCDEHL/IXIY same
.F....../.... different |
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