Motorola HC12 Refrence Manual page 183

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LDAB
(M) ⇒ B
Operation:
Description:
Loads the content of memory location M into accumulator B. The condi-
tion codes are set according to the data.
Condition Codes and Boolean Formulas:
S
N:
Z:
V:
Addressing Modes, Machine Code, and Execution Times:
Source Form
LDAB # opr8i
LDAB opr8a
LDAB opr16a
LDAB oprx0_xysp
LDAB oprx9 , xysp
LDAB oprx16 , xysp
LDAB [D ,xysp ]
LDAB [ oprx16,xysp ]
CPU12
REFERENCE MANUAL
Load Accumulator B
X
H
I
N
Z
Set if MSB of result is set; cleared otherwise.
Set if result is $00; cleared otherwise.
0; Cleared.
Address Mode
IMM
DIR
EXT
IDX
IDX1
IDX2
[D,IDX]
[IDX2]
INSTRUCTION GLOSSARY
V
C
0
Object Code
C6 ii
D6 dd
F6 hh ll
E6 xb
E6 xb ff
E6 xb ee ff
E6 xb
E6 xb ee ff
LDAB
Cycles
Access Detail
1
P
3
rfP
3
rOP
3
rfP
3
rPO
4
frPP
6
fIfrfP
6
fIPrfP
MOTOROLA
6-123

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