Difference between revisions of "83Plus:BCALLs:505C"
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'''BCALL Address:''' 505C | '''BCALL Address:''' 505C | ||
| − | Checks the first byte | + | Checks the first byte of the block for the [[83Plus:Hooks:9BB4|Catalog 1 Hook]]. |
If the byte is 83, the hook is run; otherwise, the active flag for the hook is | If the byte is 83, the hook is run; otherwise, the active flag for the hook is | ||
set to zero. | set to zero. | ||
Revision as of 23:25, 26 March 2006
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 AMS 1.13, and is undocumented.
Credits and Contributions
- Michael Cimino
