參數資料
型號: MC68HC05F4FB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 1.789 MHz, MICROCONTROLLER, PQFP44
封裝: QFP-44
文件頁數: 118/130頁
文件大?。?/td> 2089K
代理商: MC68HC05F4FB
MOTOROLA
9-6
MC68HC05F4
CPU CORE AND INSTRUCTION SET
9
9.3.1
Inherent
In the inherent addressing mode, all the information necessary to execute the instruction is
contained in the opcode. Operations specifying only the index register or accumulator, as well as
the control instruction, with no other arguments are included in this mode. These instructions are
one byte long.
9.3.2
Immediate
In the immediate addressing mode, the operand is contained in the byte immediately following the
opcode. The immediate addressing mode is used to access constants that do not change during
program execution (e.g. a constant used to initialize a loop counter).
EA = PC+1; PC
← PC+2
Table 9-2 Register/memory instructions
Addressing modes
Immediate
Direct
Extended
Indexed
(no
offset)
Indexed
(8-bit
offset)
Indexed
(16-bit
offset)
Function
Mnemonic
Opcode
#Bytes
#Cyc
les
Opcode
#Bytes
#Cyc
les
Opcode
#Bytes
#Cyc
les
Opcode
#Bytes
#Cyc
les
Opcode
#Bytes
#Cyc
les
Opcode
#Bytes
#Cyc
les
Load A from memory
LDA
A6
2
B6
2
3
C6
3
4
F6
1
3
E6
2
4
D6
3
5
Load X from memory
LDX
AE
2
BE
2
3
CE
3
4
FE
1
3
EE
2
4
DE
3
5
Store A in memory
STA
B7
2
4
C7
3
5
F7
1
4
E7
2
5
D7
3
6
Store X in memory
STX
BF
2
4
CF
3
5
FF
1
4
EF
2
5
DF
3
6
Add memory to A
ADD
AB
2
BB
2
3
CB
3
4
FB
1
3
EB
2
4
DB
3
5
Add memory and carry to A
ADC
A9
2
B9
2
3
C9
3
4
F9
1
3
E9
2
4
D9
3
5
Subtract memory
SUB
A0
2
B0
2
3
C0
3
4
F0
1
3
E0
2
4
D0
3
5
Subtract memory from A
with borrow
SBC
A2
2
B2
2
3
C2
3
4
F2
1
3
E2
2
4
D2
3
5
AND memory with A
AND
A4
2
B4
2
3
C4
3
4
F4
1
3
E4
2
4
D4
3
5
OR memory with A
ORA
AA
2
BA
2
3
CA
3
4
FA
1
3
EA
2
4
DA
3
5
Exclusive OR memory with A
EOR
A8
2
B8
2
3
C8
3
4
F8
1
3
E8
2
4
D8
3
5
Arithmetic compare A
with memory
CMP
A1
2
B1
2
3
C1
3
4
F1
1
3
E1
2
4
D1
3
5
Arithmetic compare X
with memory
CPX
A3
2
B3
2
3
C3
3
4
F3
1
3
E3
2
4
D3
3
5
Bit test memory with A
(logical compare)
BIT
A5
2
B5
2
3
C5
3
4
F5
1
3
E5
2
4
D5
3
5
Jump unconditional
JMP
BC
2
CC
3
FC
1
2
EC
2
3
DC
3
4
Jump to subroutine
JSR
BD
2
5
CD
3
6
FD
1
5
ED
2
6
DD
3
7
TPG
84
05F4Book Page 6 Tuesday, August 5, 1997 1:10 pm
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