ST10 FAMILY PROGRAMMING MANUAL
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MOVB
Move Data
Syntax
MOVB op1,
op2
Operation
(op1) <--
(op2)
Data Types
BYTE
Description
Moves the contents of the source operand specified by op2 to the location specified by the destination
operand op1. The contents of the moved data is examined, and the flags are updated accordingly.
Flags
Addressing Modes
E
Z
V
C
N
*
*
-
-
*
E
Set if the value of op2 represents the lowest possible negative number. Cleared otherwise.
Used to signal the end of a table.
Z
Set if the value of the source operand op2 equals zero. Cleared otherwise.
V
Not affected.
C
Not affected.
N
Set if the most significant bit of the source operand op2 is set. Cleared otherwise.
Mnemonic
Format
Bytes
MOVB
Rb
n
, Rb
m
F1 nm
2
MOVB
Rb
n
, #data
4
E1 #n
2
MOVB
reg, #data
16
E7 RR ## ##
4
MOVB
Rb
n
, [Rw
m
]
A9 nm
2
MOVB
Rb
n
, [Rw
m
+]
99 nm
2
MOVB
[Rw
m
], Rb
n
B9 nm
2
MOVB
[-Rw
m
], Rb
n
89 nm
2
MOVB
[Rw
n
], [Rw
m
]
C9 nm
2
MOVB
[Rw
n
+], [Rw
m
]
D9 nm
2
MOVB
[Rw
n
], [Rw
m
+]
E9 nm
2
MOVB
Rb
n
, [Rw
m
+#data
16
]
F4 nm ## ##
4
MOVB
[Rw
m
+#data
16
], Rb
n
E4 nm ## ##
4
MOVB
[Rw
n
], mem
A4 0n MM MM
4
MOVB
mem, [Rw
n
]
B4 0n MM MM
4
MOVB
reg, mem
F3 RR MM MM
4
MOVB
mem, reg
F7 RR MM MM
4
Содержание ST10 Series
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