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參數(shù)資料
| 型號： | 78P0914 |
| 廠商： | NEC Corp. |
| 英文描述： | Common to 78K/0 Series |
| 中文描述： | 共同的78K / 0系列 |
| 文件頁數(shù)： | 32/129頁 |
| 文件大?。?/td> | 644K |
| 代理商： | 78P0914 |
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32
User's Manual U12326EJ4V0UM
CHAPTER 4 INSTRUCTION SET
This chapter lists the instructions in the 78K/0 Series instruction set. The instructions are common to all
78K/0 Series products.
4.1 Operation
For the operation list for each product, refer to the user’s manual of each product.
4.1.1 Operand identifiers and description methods
Operands are described in the “Operand” column of each instruction in accordance with the description method
of the instruction operand identifier (refer to the assembler specifications for details). When there are two or more
description methods, select one of them. Alphabetic letters in capitals and the symbols, #, !, $ and [ ] are key
words and are described as they are. Each symbol has the following meaning.
#: Immediate data specification
!:
Absolute address specification
$: Relative address specification
[ ]: Indirect address specification
In the case of immediate data, describe an appropriate numeric value or a label. When using a label, be sure
to describe the #, !, $ and [ ] symbols.
For operand register identifiers, r and rp, either function names (X, A, C, etc.) or absolute names (names in
parentheses in the table below, R0, R1, R2, etc.) can be used for description.
Table 4-1. Operand Identifiers and Description Methods
Identifier
Description Method
r
rp
sfr
sfrp
X (R0), A (R1), C (R2), B (R3), E (R4), D (R5), L (R6), H (R7)
AX (RP0), BC (RP1), DE (RP2), HL (RP3)
Special-function register symbol
Note
Special-function register symbols (16-bit manipulatable register even addresses only)
Note
saddr
saddrp
FE20H to FF1FH Immediate data or labels
FE20H to FF1FH Immediate data or labels (even addresses only)
addr16
addr11
addr5
0000H to FFFFH Immediate data or labels (Only even addresses for 16-bit data transfer instructions)
0800H to 0FFFH Immediate data or labels
0040H to 007FH Immediate data or labels (even addresses only)
word
byte
bit
16-bit immediate data or label
8-bit immediate data or label
3-bit immediate data or label
RBn
RB0 to RB3
Note
FFD0H to FFDFH are not addressable.
Remark
Refer to the user’s manual of each product for the symbols of special function registers.
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