83Plus:BCALLs:4267
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Revision as of 07:56, 26 April 2005 by Dan Englender (Talk | contribs)
Synopsis
Official Name: DecO1Exp
BCALL Address: 4267
Decrements OP1's exponent.
Inputs
- OP1 = floating point number
Outputs
- OP1 's exponent decremented
Registers Destroyed
- A
Comments
This function decrements the exponent of OP1. Unlike FDiv10, checks are not performed to prevent an underflow.
Example
Suppose OP1=00h,80h,10h,00h,... After B_CALL DecO1Exp, OP1=00h,7Fh,10h,00h,... Suppose OP1=00h,00h,10h,00h,... After B_CALL DecO1Exp, OP1=00h,FFh,10h,00h,...
