Z8 Encore! XP® 4K Series
Product Specification
193
.
Table 117. Notational Shorthand
Notation Description
Operand Range
b
Bit
b
b represents a value from 0 to 7 (000B to 111B).
cc
Condition Code
—
See Condition Codes overview in the eZ8 CPU
User Manual.
DA
ER
Direct Address
Addrs
Reg
Addrs. represents a number in the range of
0000H to FFFFH
Extended Addressing Register
Reg. represents a number in the range of 000H to
FFFH
IM
Ir
Immediate Data
#Data
@Rn
Data is a number between 00H to FFH
n = 0 –15
Indirect Working Register
Indirect Register
IR
@Reg
Reg. represents a number in the range of 00H to
FFH
Irr
Indirect Working Register Pair
Indirect Register Pair
@RRp
@Reg
p = 0, 2, 4, 6, 8, 10, 12, or 14
IRR
Reg. represents an even number in the range
00H to FEH
p
Polarity
p
Polarity is a single bit binary value of either 0B or
1B.
r
Working Register
Register
Rn
n = 0 – 15
R
Reg
Reg. represents a number in the range of 00H to
FFH
RA
Relative Address
X
X represents an index in the range of +127 to –
128 which is an offset relative to the address of
the next instruction
rr
Working Register Pair
Register Pair
RRp
Reg
p = 0, 2, 4, 6, 8, 10, 12, or 14
RR
Reg. represents an even number in the range of
00H to FEH
Vector
X
Vector Address
Indexed
Vector
#Index
Vector represents a number in the range of 00H
to FFH
The register or register pair to be indexed is offset
by the signed Index value (#Index) in a +127 to
-128 range.
Table 118 contains additional symbols that are used throughout the Instruction Summary
and Instruction Set Description sections.
PS022815-0206
eZ8 CPU Instruction Set
ZILOG [ ZILOG, INC. ]
