Difference between revisions of "83Plus:BCALLs:4F51"

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== Synopsis ==
 
== Synopsis ==
 
'''Official Name:''' GetHookByte
 
'''Official Name:''' GetHookByte
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 +
'''Unofficial Name:''' IsHookValid
  
 
'''BCALL Address:''' 4F51
 
'''BCALL Address:''' 4F51

Latest revision as of 23:57, 2 May 2005

Synopsis

Official Name: GetHookByte

Unofficial Name: IsHookValid

BCALL Address: 4F51

Reads the first byte of a hook and checks to see if it is equal to 83h.

Inputs

  • HL = pointer to first byte of entry in hook table

Outputs

  • A = first byte of hook.
  • Z = set if A=83h.

Destroys

  • HL