Datasheet

Section 2 CPU
R01UH0309EJ0500 Rev. 5.00 Page 63 of 1408
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
2. Bcc is the general name for conditional branch instructions.
3. Cannot be used in this LSI.
4. Only register ER0, ER1, ER4, or ER5 should be used when using the TAS instruction.
2.6.1 Table of Instructions Classified by Function
Tables 2.3 to 2.10 summarize the instructions in each functional category. The notation used in
tables 2.3 to 2.10 is defined below.
Table 2.2 Operation Notation
Symbol Description
Rd General register (destination)
*
Rs General register (source)
*
Rn General register
*
ERn General register (32-bit register)
MAC Multiply-accumulate register (32-bit register)
(EAd) Destination operand
(EAs) Source operand
EXR Extended register
CCR Condition-code register
N N (negative) flag in CCR
Z Z (zero) flag in CCR
V V (overflow) flag in CCR
C C (carry) flag in CCR
PC Program counter
SP Stack pointer
#IMM Immediate data
disp Displacement
+ Addition
– Subtraction
× Multiplication
÷ Division
∧ Logical AND
∨ Logical OR
⊕ Logical exclusive OR