83Plus:BCALLs:4240

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Synopsis

Official Name: GETCONOP2

BCALL Address: 4240

Loads one of seven different commonly used constants to OP2.

Inputs

  • a = constant type
  • where constant type is
  • a=0 180/PI
  • a=1 PI/2
  • a=2 PI/4
  • a=3 Log(e)
  • a=4 PI
  • a=5 PI/180
  • a=6 ln(10)

Outputs

  • OP2 = constant

Registers Destroyed

  • All

Example

 ld     a,4     ;PI
 B_CALL GETCONOP2

After the BCALL:

 OP2: 00 80 31 41 59 26 53 58 98