Difference between revisions of "83Plus:BCALLs:406C"

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m (Formatting (... Because I'm done with school!!!))
m (linked op2)
 
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=== Outputs ===
 
=== Outputs ===
 
* OP1 = OP1 - 1
 
* OP1 = OP1 - 1
* OP2 = floating point 1
+
* [[83Plus:RAM:8483|OP2]] = floating point value of 1
  
 
=== Registers Destroyed ===
 
=== Registers Destroyed ===

Latest revision as of 14:21, 27 March 2006

Synopsis

Official Name: Minus1

BCALL Address: 406C

Decrements the floating point number in OP1 by one.

Inputs

  • OP1 = floating point number

Outputs

  • OP1 = OP1 - 1
  • OP2 = floating point value of 1

Registers Destroyed

  • AF, BC, DE, HL

Example

B_CALL OP1Set3  ;OP1=floating point 3
B_CALL Minus1  ;returns with OP1=floating point 2