Z8
®
CPU
User Manual
UM001604-0108 Instruction Set
148
Table 37. Notational Shorthand
Notation Address Mode Operand Range *
cc Condition Code See Condition Codes
r Working Register Rn n = 0–15
R Register Reg Reg. represents a number in the range of 00h to
FFh
or
Working Register
Rn n = 0–15
RR Register Pair Reg Reg. represents an even number in the range of
00h to FEh
or
Working Register Pair RRp p = 0, 2, 4, 6, 8, 10, 12, or 14
Ir Indirect Working Register @Rn n = 0 –15
IR Indirect Register @Reg Reg. represents a number in the range of 00h to
FFh
or
Indirect Working Register @Rn n = 0– 15
Irr Indirect Working Register
Pair
@RRp p = 0, 2, 4, 6, 8, 10, 12, or 14
IRR Indirect Register Pair @Reg Reg. represents an even number in the range 00h
to FFh
or
Working Register Pair @RRp p = 0, 2, 4, 6, 8, 10, 12, or 14
X Indexed Reg (Rn) Reg. represents a number in the range of 00h to
FFh and n = 0–15
DA Direct Address Addrs Addrs. represents a number in the range of 00h to
FFh
RA Relative Address Addrs Addrs. represents a number in the range of +127
to –128 which is an offset relative to the address
of the next instruction
IM Immediate #Data Data is a number between 00h to FFh
*See the device product specification to determine the exact register file range available. The register file size varies
by the device type.
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