MA17502 Datasheet, PDF (18/30 Pages) Dynex Semiconductor – Radiation Hard MIL-STD-1750A Control Unit

MA17502
Cycles*
Operation
Op Code/Ext Mnemonic
Format
M
P
B
FLOATING-POINT
Extended-Precision Floating-
8A
Point Load
EFL
D,DX
5
0
1
Extended-Precision Floating-
9A
Point Store
EFST
D,DX
5
0
1
Floating-Point Absolute Value
AC
of Register
FABS
R
1
1 .75 3.25a
Floating-Point Negate Register
BC
FNEG
R
1
3.25 3.75a
Floating-Point Compare
F9
3X
4X D
F8
FCR
FCB
FCBX
FC
R
B
BX
D,DX
1
2.75 2.875wa
2
2.75 2.875wa
2
2.75 2.875wa
3
1.75 2 875wa
Extended-Precision Floating-
FB
Point Compare
FA
EFCR
EFC
R
D,DX
1
4.25a
3.25 2.875wa
2.75 2.875wa
Floating-Point Add
A9
2X
4X 8
A8
FAR
FAB
FABX
FA
R
B
BX
D,DX
1
7.625 8.25wa
3
6.625 8.25wa
3
6.625 8.25wa
4
5.625 8.25wa
Extended-Precision Floating-
AB
Point Add
AA
EFAR
EFA
R
D,DX
1
21.3125 10.5625wa
5
19.3125 10.5625wa
Floating-Point Subtract
B9
2X
4X 9
B8
FSR
FSB
FSBX
FS
R
B
BX
D,DX
1
8.625 8.625wa
3
7.625 8.625wa
3
7.625 8.625wa
4
6.625 8.625wa
Extended-Precision Floating-
BB
Point Subtract
BA
EFSR
EFS
R
D,DX
1
23.0625 11.8125wa
5
21.0625 11.8125wa
Floating-Point Multiply
C9
2X
4X A
C8
FMR
FMB
FMBX
FM
R
B
BX
D,DX
1
12.75a 6.25wa
3
12.75a 6.25wa
3
12.75a 6.25wa
4
11.75a 6.25wa
Extended-Precision Floating-
CB
point Multiply
CA
EFMR
EFM
R
D,DX
1
59.75 6.25wa
5
57.75 6.25wa
Floating-Point Divide
D9
2X
4X B
D8
FDR
FDB
FDBX
FD
R
B
BX
D,DX
1
31.5 32.75wa
3
30. 5 32.75wa
3
30.5 32.75wa
4
29.5 32.75wa
Extended-Precision Floating-
DB
Point Divide
DA
EFDR
EFD
R
D,DX
1
102.625 47.875wa
5
100.625 47.875wa
* M = memory, P = processor (5 OSC cycles), B = processor (6 OSC cycles), a = average if more than one alternative exists,
wa = weighted average favouring one or more possible alternatives.
Table 6a (continued): Instruction Summary
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