Difference between revisions of "83Plus:BCALLs:4FF0"

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=== Inputs ===
 
=== Inputs ===
 
The block for the Graph Hook must be set up correctly.
 
The block for the Graph Hook must be set up correctly.
<!-- Meaning what? -->
 
  
 
=== Outputs ===
 
=== Outputs ===
*HL points to the start of the hook. <!-- The start of the block? -->
+
*HL points to the start of the hook.  
*F is 6A if the hook was not run.  <!-- And if it was run? -->
+
*F is 6A if the hook was not run.   
  
 
=== Destroys ===
 
=== Destroys ===

Revision as of 14:53, 27 March 2006

This article is missing some information (namely Destroys). You can help WikiTI by filling in the missing information.


Synopsis

Unofficial Name: RunGraphingHook

BCALL Address: 4FF0

Checks the first byte of the block for the Graph 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 Graph 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 (probably)