Difference between revisions of "83Plus:BCALLs:505C"

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{{Wikify}}
 
{{Wikify}}
_RunCatalog1Hook    EQU 505Ch  ;Undocumented 1.13
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[[Category:83Plus:BCALLs:By Name|RunCatalog1Hook]]
    ;Checks the byte @ the address @ catalog1HookPtr.
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[[Category:83Plus:BCALLs:By Name:Hook|RunCatalog1Hook]]
    ;If the byte is 83, it runs the hook. If the byte
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[[Category:83Plus:BCALLs:By Address|505C - RunCatalog1Hook]]
    ;is different, it resets the catalog1 hook flag.
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    ;Inputs:     catalog1HookPtr      must be setup correctly
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    ;Outputs:   HL          Int16  points to start of hook
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    ;            F          Int8    F is 6A if not run
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Michael Cimino
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== Synopsis ==
 +
'''Unofficial Name:''' RunCatalog1Hook
 +
 
 +
'''BCALL Address:''' 505C
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 +
Checks the first byte at the block for the [[83Plus:Hooks:9BB4|Catalog 1 Hook]].
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If the byte is 83, the hook is run; otherwise, the active flag for the hook is
 +
set to zero.
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=== Inputs ===
 +
The block for the Catalog 1 Hook must be set up correctly.
 +
<!-- What on earth does this mean? -->
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=== Outputs ===
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* HL points to the start of the hook. <!-- The start of the hook block, or what? -->
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* F is 6A if the hook was not run. <!-- And if it was run? -->
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=== Destroys ===
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Unknown.
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== Comments ==
 +
This BCALL is known to be present in AMS 1.13, and is undocumented.
 +
 
 +
== Credits and Contributions ==
 +
*Michael Cimino

Revision as of 23:23, 26 March 2006


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Synopsis

Unofficial Name: RunCatalog1Hook

BCALL Address: 505C

Checks the first byte at 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