Difference between revisions of "83Plus:BCALLs:8051"

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[[Category:83Plus:BCALLs:By Name:Memory:LoadAIndPaged]]  [[Category:83Plus:BCALLs:By Name|LoadAIndPaged]] [[Category:83Plus:BCALLs:By Address|8051 - LoadAIndPaged]]
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[[Category:83Plus:BCALLs:By Name:Memory|LoadAIndPaged]]  [[Category:83Plus:BCALLs:By Name|LoadAIndPaged]] [[Category:83Plus:BCALLs:By Address|8051 - LoadAIndPaged]]
 
== Synopsis ==
 
== Synopsis ==
 
'''Official Name:''' LoadAIndPaged
 
'''Official Name:''' LoadAIndPaged

Revision as of 19:03, 30 March 2005

Synopsis

Official Name: LoadAIndPaged

BCALL Address: 8051

Reads a byte into register A on page A at address HL.

Inputs

  • A = page
  • HL = address

Outputs

  • A = byte read

Destroys

  • All registers preserved
  • Destroys contents of memory at 8100 (ramCode)

Comments

Simple enough to implement yourself if speed is important.

Example

 ld     a,0
 ld     hl,4000
 B_CALL LoadAIndPaged  ;should return a=DB (at least on OS version 1.18)