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PROGRAMMING NUMERIC APPLICATIONS
Table
2-14.
Instruction
Set
Reference
Data
(Cont'd.)
FDECSTP
FDECSTP (no operands)
Exceptions: None
Decrement stack pointer
Execution Clocks
Operands
Operand
Word Code
Coding Example
Typical Range
Transfers
Bytes
(no operands)
9
6-12
0 2
FDECSTP
FDIV
FDIV //source/destination,source
Exceptions:
I,
D,
Z,
0,
U,
P
Divide real
Execution Clocks
Operands
Operand
Word Code
Coding
Example
Typical Range
Transfers
Bytes
//ST(i),ST
198 193-203
0
2
FDIV
short·real 220 215-225 2 2-4 FDIV DISTANCE
long-real
225
220-230
4 2-4
FDIV
ARC
[DI]
FDIVP
FDIVP
destination, source
Exceptions:
I,
D,
Z,
0,
U,
P
Divide real
and
pop
Execution
Clocks
Operands
Operand
Word
Code
Coding Example
Typical Range
Transfers Bytes
ST(i),ST 202 197-207
0 2
FDIVP ST(4),ST
FDIVR
FDIVR
//source/destination, source
Exceptions:
I,
D,
Z,
0,
U,
P
Divide real reversed
Execution Clocks
Operands
Operand
Word
Code
Transfers
Bytes
Coding Example
Typical Range
//ST,ST(i)/ST(i),ST 199 194-204
0
2 FDIVR ST(2),ST
short-real
221
216-226
2
2·4
FDIVR
[8X].PULSE_RATE
long-real
226
221-231
4 2-4
FDIVR RECORDER.FREQUENCY
FDiVnF
i=iirv"nr
uestiiiCitiCiii,
SvuiGo
Exceptions:
I,
D,
Z,
0,
U,
P
Divide real reversed and pop
Execution
Clocks
Operands
Operand
Word Code
Coding
Example
Typical
Range
Transfers Bytes
ST(i),ST
203 198-208
0
2 FDIVRP
ST(1
),ST
2-26