Difference between revisions of "83Plus:BCALLs:4A53"

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m (Example: Wow, was on drugs when wrote original example.)
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[[Category:83Plus:BCALLs:By Name:Variable|MoveToNextSym]] [[Category:83Plus:BCALLs:By Name|MoveToNextSym]] [[Category:83Plus:BCALLs:By Address|4A53 - MoveToNextSym]]
 
== Synopsis ==
 
== Synopsis ==
 
'''Official Name:''' MoveToNextSym
 
'''Official Name:''' MoveToNextSym
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== Comments ==
 
== Comments ==
This routine can be used to traverse both the program/list and the regular symbol tables.  It does not do bound checking, so you must check if HL equals the value at pTemp yourself to see if you've reached the end of the table.  The example below browses the entire symbol table.
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This routine can be used to traverse both the program/list and the regular symbol tables.  It does not do bound checking, so you must check if HL equals the value at [[83Plus:RAM:892E|pTemp]] yourself to see if you've reached the end of the table.  The example below browses the entire symbol table.
  
 
== Example ==
 
== Example ==

Latest revision as of 08:48, 26 April 2005

Synopsis

Official Name: MoveToNextSym

BCALL Address: 4A53

Finds the next entry in the symbol table.

Inputs

  • HL: points to type byte of current symbol table entry

Outputs

  • HL: points to type byte of next symbol table entry

Registers Destroyed

  • AF, DE

Comments

This routine can be used to traverse both the program/list and the regular symbol tables. It does not do bound checking, so you must check if HL equals the value at pTemp yourself to see if you've reached the end of the table. The example below browses the entire symbol table.

Example

 ld  hl, symTable
SymLoop:
 ;Do something with symbol table entry
 B_CALL MoveToNextSym
 ld de,(pTemp)
 B_CALL CpHLDE
 jr nz,SymLoop