CHAPTER 20 INSTRUCTION SET
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User’s Manual U11302EJ4V0UM
20.1 Conventions
20.1.1 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. Uppercase letters and the symbols #, !, $, and [ ] are keywords 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 20-1. Operand Identifiers and Description Methods
Identifier
Description Method
r
X (R0), A (R1), C (R2), B (R3), E (R4), D (R5), L (R6), H (R7)
rp
AX (RP0), BC (RP1), DE (RP2), HL (RP3)
sfr
Special-function register symbol
Note
sfrp
Special-function register symbol (16-bit manipulatable register, even addresses only)
Note
saddr
FE20H to FF1FH Immediate data or label
saddrp
FE20H to FF1FH Immediate data or label (even addresses only)
addr16
0000H to FFFFH Immediate data or label
(only even addresses for 16-bit data transfer instructions)
addr11
0800H to 0FFFH Immediate data or label
addr5
0040H to 007FH Immediate data or label (even addresses only)
word
16-bit immediate data or label
byte
8-bit immediate data or label
bit
3-bit immediate data or label
RBn
RB0 to RB3
Note
FFD0H to FFDFH cannot be addressed.
Remark
For special-function register symbols, see
Table 3-3 Special-Function Register List
.
Содержание mPD780208 Subseries
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