Difference between revisions of "83Plus:BCALLs:4A0B"

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(Inputs)
(grammatical error and Reg Destroyed to Destroys)
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'''BCALL Address:''' 4A0B
 
'''BCALL Address:''' 4A0B
  
Converts a tokens to key presses.
+
Converts a token to a key press.
  
 
=== Inputs ===
 
=== Inputs ===
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* ([[83Plus:RAM:8446|keyExtend]]) = second byte of key press, if it exists
 
* ([[83Plus:RAM:8446|keyExtend]]) = second byte of key press, if it exists
  
=== Registers Destroyed ===
+
=== Destroys ===
 
* ??
 
* ??
  

Revision as of 19:09, 24 April 2005

Synopsis

Official Name: TokToKey

BCALL Address: 4A0B

Converts a token to a key press.

Inputs

  • If one byte token,
  • D = 0
  • E = token value
  • If two byte token,
  • D = first byte of token
  • E = second byte of token

Outputs

  • A = first byte of key
  • (keyExtend) = second byte of key press, if it exists

Destroys

  •  ??

Example

ld d,0
ld e,tSin
B_CALL TokToKey ;should return a=kSin