IBM 5100 User Manual

Mnemonics
,f-
This chart gives the microinstruction mnemonics in
alphabetical order, the meaning
of the mnemonic, the
"'-
corresponding op code, the modifier (if any). and the
type
of microinstruction.
Mnemonic Microinstruction Name Op
Code
Modifier Microinstruction Type
/
!
ADD
Add
0 8 Arithmetic reg "--/
ADDI
Add immediate A
Arithmetic reg
ADDS1 Add special 1
0
A Arithmetic reg
ADDS2
Add special 2
0
B Arithmetic reg
AND And
0 5
Logical reg
~
CLRI
Clear immediate
9
Logical reg
'-.
.j
CTL
Control 1
I/O
EMIT
Emit byte
8
Logical reg
GETA
Get
a
F
I/O
GETB
Get byte
E
SM!
I/O
GETR
Get
to register
a
E
I/O
GETRB
Get byte
to register
E
SM!
I/O
HTL
High to low
a
C Register
JALL
Jump all ones
C 4 Jump
JALLM
Jump all masked
C
5
Jump
JEQ
Jump equal
C
2 Jump
JHAM
Jump high all masked
C
7
Jump
(~
JHE
Jump high
or equal
C
9
Jump
\ .. ~
JHI
Jump high
C
8
Jump
JHL
Jump high or low (not equal)
C
A Jump
JHSNM
Jump high
some bit not masked
C
F Jump
JLE
Jump low or equal
C
a
Jump
JLO
Jump low
C
1
Jump
JNO
Jump no
ones
C
3
Jump
JNOM
Jump no
ones masked
C
6
Jump
JSB Jump some bits
C
B
Jump
JSM
Jump some masked
C
E Jump
JSN
Jump some not ones
C
C
Jump
JSNM
Jump
some not masked
C
D Jump
/
LDBI
Load byte indirect
2
6
Ml
Fetch and store
LDHD
Load halfword direct
2
2
Fetch
and store
LDHI
Load halfword indirect
2
D Fetch and store
LTH
Low to high
a D
Register
MOVE Move register
a
4 Register
MVM1
Move minus 1
a
1
Register
~-
MVM2
Move minus 2
a
a
Register
!
See the description of Microinstructions in this section.
'"
2 Direct means that the read/write storage address is in the microinstruction itself and indirect
(
'/
means that the read/write storage address is in a register.
C-2.

IBM 5100 Specifications

General

Brand	IBM
Model	5100
Category	Laptop
Language	English