Renesas R8C/Tiny Series Software Manual page 45

Chapter 2 Addressing Modes
32-bit register direct
The 32-bit concatenated register content of two
R2R0
specified registers is the object to be operated
R3R1
on.
A1A0
This addressing can be used in SHL, SHA,
JMPI, and JSRI instructions.
The following lists the register and instruction
combinations that can be used.
R2R0, R3R1
SHL, SHA, JMPI, and JSRI in-
structions
A1A0
JMPI and JSRI instructions
Control register direct
The specified control register is the
INTBL
object to be operated on.
INTBH
ISP This addressing can be used in LDC,
STC, PUSHC, and POPC instructions.
SP
SB
If you specify SP, the stack pointer
indicated by the U flag is the object to
FB
be operated on.
FLG
2.4 Special Instruction Addressing
SHL, SHA instructions
b31
R2R0
R3R1
JMPI, JSRI instructions
R2R0
b31
R3R1
A1A0
PC
b15
INTBL
b15
INTBH
b15
ISP
b15
USP
b15
SB
b15
FB
b15
FLG
28
b16 b15
b0
b16 b15
b0
Register
b0
b4 b3 b0
b0
b0
b0
b0
b0