Difference between revisions of "83Plus:BCALLs:505C"
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=== Inputs === | === Inputs === | ||
The block for the Catalog 1 Hook must be set up correctly. | The block for the Catalog 1 Hook must be set up correctly. | ||
− | |||
=== Outputs === | === Outputs === | ||
− | * HL points to the start of the hook. | + | * HL points to the start of the hook. |
− | * F is 6A if the hook was not run. | + | * F is 6A if the hook was not run. |
=== Destroys === | === Destroys === |
Revision as of 13:51, 27 March 2006
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Synopsis
Unofficial Name: RunCatalog1Hook
BCALL Address: 505C
Checks the first byte of the block for the Catalog 1 Hook. If the byte is 83, the hook is run; otherwise, the active flag for the hook is set to zero.
Inputs
The block for the Catalog 1 Hook must be set up correctly.
Outputs
- HL points to the start of the hook.
- F is 6A if the hook was not run.
Destroys
Unknown
Comments
This BCALL is known to be present in OS 1.13, and is undocumented.
Credits and Contributions
- Michael Cimino