參數(shù)資料
型號: HD407A4669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
中文描述: 低電壓如同在微機芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 119/142頁
文件大?。?/td> 894K
代理商: HD407A4669
HD404669 Series
119
Table 28 RAM Register Instructions
Operation
Mnemonic
Operation Code
Function
Status
Words/
Cycles
Load A from memory
LAM(XY)
0
0
1
0
0
1 0
0
y
x
M
A
(X
SPX, Y
SPY)
1/1
Load A from memory
LAMD d
0
d
9
d
8
d
7
d
6
d
5
d
4
d
3
d
2
d
1
d
0
1
1
0
0
1 0
0
0
0
M
A
2/2
Load B from memory
LBM(XY)
0
0
0
1
0
0 0
0
y
x
M
B
(X
SPX, Y
SPY)
1/1
Load memory from A
LMA(XY)
0
0
1
0
0
1 0
1
y
x
A
M
(X
SPX, Y
SPY)
1/1
Load memory from A
LMAD d
0
d
9
d
8
d
7
d
6
d
5
d
4
d
3
d
2
d
1
d
0
1
1
0
0
1 0
1
0
0
A
M
2/2
Load memory from A,
increment Y
LMAIY(X)
0
0
0
1
0
1 0
0
0
x
A
M, Y + 1
Y
(X
SPX)
NZ
1/1
Load memory from A,
decrement Y
LMADY(X)
0
0
1
1
0
1 0
0
0
x
A
M, Y – 1
Y
(X
SPX)
NB
1/1
Exchange memory
and A
XMA(XY)
0
0
1
0
0
0 0
0
y
x
M
A
(X
SPX, Y
SPY)
1/1
Exchange memory
and A
XMAD d
0
d
9
d
8
d
7
d
6
d
5
d
4
d
3
d
2
d
1
d
0
1
1
0
0
0 0
0
0
0
M
A
2/2
Exchange memory
and B
XMB(XY)
0
0
1
1
0
0 0
0
y
x
M
B
(X
SPX, Y
SPY)
1/1
Note:
The meanings of (XY) and (X) are as follows:
Each instruction marked with (XY) has 4 mnemonics, each with different object codes. For example,
different values of x and y of the opcode of the LAM(XY) instruction are given below.
Mnemonic
y
x
Function
LAM
0
0
None
LAMX
0
1
X
SPX
Y
SPY
X
SPX, Y
SPY
LAMY
1
0
LAMXY
1
1
Each instruction marked with (X) has 2 mnemonics, each with different object codes. For example,
different values of x of the opcode of the LMAIY(X) instruction are given below.
Mnemonic
x
Function
LMAIY
0
None
LMAIYX
1
X
SPX
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