MA31750 Datasheet, PDF (17/42 Pages) Dynex Semiconductor – High Performance MIL-STD-1750 Microprocessor

MA31750
OPERATION
Mnem.
Format
Opcode
(Ext)
LOGICAL
Inclusive Logical-OR
Logical-AND
Exclusive Logical-OR
Logical NAND
Set Bit
Reset Bit
Test Bit
Test and Set Bit
Set Variable Bit
Reset Variable Bit
Test Variable Bit
Store Register Through Mask
ORR
ORB
ORBX
OR
ORIM
ANDR
ANDB
ANDX
AND
ANDM
XORR
XOR
XORM
NR
N
NIM
SBR
SB
SBI
RBR
RB
RBI
TBR
TB
TBI
TSB
SVBR
RVBR
TVBR
SRM
R
B
BX
D,DX
IM
R
B
BX
D,DX
IM
R
D,DX
IM
R
D,DX
IM
R
D,DX
I,IX
R
D,DX
I,IX
R
D,DX
I,IX
D,DX
R
R
R
D,DX
E1
3X
4X F
E0
4A 8
E3
3X
4X E
E2
4A 7
E5
E4
4A 9
E7
E6
4A B
51
50
52
54
53
55
57
56
58
59
5A
5C
5E
97
JUMP/BRANCH
Jump on Condition
JC
D,DX
70
JCI
I,IX
71
Jump to Subroutine
JS
D,DX
72
Subtract One and Jump
SOJ
D,DX
73
Branch Unconditionally
BR
ICR
74
Branch if Equal to (Zero)
BEZ
ICR
75
Branch if Less than (Zero)
BLT
ICR
76
Branch to Executive
BEX
S
77
Branch if Less than or Equal to BLE
ICR
78
(Zero)
Branch if Greater than (Zero)
BGT
ICR
79
Branch if Not Equal to (Zero)
BNZ
ICR
7A
Branch if Greater than or Equal to BGE
ICR
7B
(Zero)
Figure 20a (continued): Instruction Summary
Memory
cycles
1
2
2
3
2
1
2
2
3
2
1
3
2
1
3
2
1
4
5
1
4
5
1
3
4
2
1
1
1
4
3a
3.5a
2
3a
2
2a
2a
11
2a
2a
2a
2a
Internal
Cycles
0
1
1
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2.5a
0
0
0
1
0
0
1
0
1
0
0
14
0
0
0
0
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