Motorola CPU32 User Manual Page 370

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Floating Point Instructions
5-68 M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL MOTOROLA
FLOGNP1 Log
e
(x + 1) FLOGNP1
(MC6888X, M68040FPSP)
Exception Byte: BSUN Cleared
SNAN Refer to 1.6.5 Not-A-Numbers.
OPERR Set if the source operand is < – 1; cleared
otherwise.
OVFL Cleared
UNFL Refer to underflow in the appropriate user’s
manual.
DZ Set if the source operand is – 1; cleared
otherwise
INEX2 Refer to inexact result in the appropriate
user’s manual.
INEX1 If < fmt > is packed, refer to inexact result on
decimal input in the appropriate user’s
manual; cleared otherwise.
Accrued Exception Byte: Affected as described in IEEE exception and trap compati-
bility in the appropriate user’s manual.
Instruction Format:
Instruction Fields:
Coprocessor ID field—Specifies which coprocessor in the system is to execute this
instruction. Motorola assemblers default to ID = 1 for the floating-point
coprocessor.
1514131211109876543210
1111
COPROCESSOR
ID
000
EFFECTIVE ADDRESS
MODE REGISTER
0 R/M 0
SOURCE
SPECIFIER
DESTINATION
REGISTER
0000110
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