Motorola CPU32 Manuel d'utilisateur Page 412

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Floating Point Instructions
5-110 M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL MOTOROLA
FScc Set According to Floating-Point Condition FScc
(MC6888X, MC68040)
Operation: If (Condition True)
Then 1s Destination
Else 0s Destination
Assembler
Syntax: FScc. < size > < ea >
Attributes: Size = (Byte)
Description: If the specified floating-point condition is true, sets the byte integer operand at
the destination to TRUE (all ones); otherwise, sets the byte to FALSE (all zeros). The
conditional specifier cc may select any one of the 32 floating-point conditional tests as
described in Table 3-23 Floating-Point Conditional Tests.
Floating-Point Status Register:
Condition Codes: Not affected.
Quotient Byte: Not affected.
Exception Byte: BSUN Set if the NAN condition code is set and the
condition selected is an IEEE nonaware test.
SNAN Not Affected.
OPERR Not Affected.
OVFL Not Affected.
UNFL Not Affected.
DZ Not Affected.
INEX2 Not Affected.
INEX1 Not Affected.
Accrued Exception Byte: The IOP bit is set if the BSUN bit is set in the exception
byte. No other bit is affected.
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