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2026-04-05T17:30:58Z
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83Plus:BCALLs:4093
2005-04-25T21:55:14Z
<p>129.21.38.124: </p>
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<div>[[Category:83Plus:BCALLs:By Name:FP_Util|Frac]] [[Category:83Plus:BCALLs:By Name|Frac]] [[Category:83Plus:BCALLs:By Address|4093 - Frac]]<br />
== Synopsis ==<br />
'''Official Name:''' Frac<br />
<br />
'''BCALL Address:''' 4093<br />
<br />
Finds the fractional part of [[83Plus:RAM:8478|OP1]] and returns the value in [[83Plus:RAM:8478|OP1]].<br />
<br />
=== Inputs ===<br />
* [[83Plus:RAM:8478|OP1]] = floating point<br />
<br />
=== Outputs ===<br />
* [[83Plus:RAM:8478|OP1]] = OP1-int(OP1)<br />
<br />
=== Destroys ===<br />
* AF, HL<br />
<br />
=== Comments ===<br />
This is similar to the BASIC function fPart(). For negative numbers, the sign bit will remain.<br />
<br />
== Example ==<br />
<nowiki>B_CALL OP1Set3 ;OP1=floating point 3<br />
B_CALL Op1Set2 ;op2=floating point 2<br />
B_CALL FPDiv ;op1=1.5<br />
B_CALL Frac ;returns with OP1=floating point 0.5</nowiki></div>
129.21.38.124