S3C9442 Datasheet, PDF (6/50 Pages) Samsung semiconductor – SAM88RCRI family of 8-bit single-chip CMOS microcontrollers

SAM88RCRI INSTRUCTION SET
S3C9442/C9444/F9444/C9452/C9454/F9454
Table 6-4. Instruction Notation Conventions
Notation
Description
Actual Operand Range
cc Condition code
See list of condition codes in Table 6-6.
r
Working register only
Rn (n = 0–15)
rr
Working register pair
RRp (p = 0, 2, 4, ..., 14)
R
Register or working register
reg or Rn (reg = 0–255, n = 0–15)
RR Register pair or working register pair
reg or RRp (reg = 0–254, even number only, where
p = 0, 2, ..., 14)
Ir
Indirect working register only
@Rn (n = 0–15)
IR Indirect register or indirect working register @Rn or @reg (reg = 0–255, n = 0–15)
Irr Indirect working register pair only
@RRp (p = 0, 2, ..., 14)
IRR Indirect register pair or indirect working
register pair
@RRp or @reg (reg = 0–254, even only, where
p = 0, 2, ..., 14)
X
Indexed addressing mode
#reg[Rn] (reg = 0–255, n = 0–15)
XS Indexed (short offset) addressing mode #addr[RRp] (addr = range – 128 to + 127, where
p = 0, 2, ..., 14)
XL Indexed (long offset) addressing mode
#addr [RRp] (addr = range 0–8191, where
p = 0, 2, ..., 14)
DA Direct addressing mode
addr (addr = range 0–8191)
RA Relative addressing mode
addr (addr = number in the range + 127 to – 128 that
is an offset relative to the address of the next
instruction)
IM Immediate addressing mode
#data (data = 0–255)
6-6