83Plus:BCALLs:4060
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Revision as of 08:15, 21 April 2005 by Dan Englender (Talk | contribs)
Synopsis
Official Name: Trunc
BCALL Address: 4060
Truncates the fractional part of a floating point number in OP1.
Inputs
- OP1 = floating point number
Outputs
- OP1 = integer part of floating point number
Registers Destroyed
- AF, BC, DE, HL
Comments
This is similar to the BASIC function int().
Example
Suppose OP11=00h,80h,28h,00h,... After B_CALL Trunc, OP1=00h,80h,20h,00h,... Suppose OP1=00h,7Fh,20h,00h,... After B_CALL Trunc, OP1=00h,80h,00h,00h,...