Table 6-4 Instruction Notation Conventions - Samsung S3F84B8 User Manual

S3F84B8_UM_REV 1.00
Notation
cc Condition code
r Working register only
rb Bit (b) of working register
r0 Bit 0 (LSB) of working register
rr Working register pair
R Register or working register
Rb Bit 'b' of register or working register
RR Register pair or working register pair
IA Indirect addressing mode
Ir Indirect working register only
IR Indirect register or indirect working
register
Irr Indirect working register pair only
IRR Indirect register pair or indirect working
register pair
X Indexed addressing mode
XS Indexed (short offset) addressing mode
xl Indexed (long offset) addressing mode
da Direct addressing mode
ra Relative addressing mode
im Immediate addressing mode
iml Immediate (long) addressing mode
Table 6-4 Instruction Notation Conventions
Description Actual Operand Range
See list of condition codes in Table 6-6.
Rn (n = 0–15)
Rn.b (n = 0–15, b = 0–7)
Rn (n = 0–15)
RRp (p = 0, 2, 4, ..., 14)
reg or Rn (reg = 0–255, n = 0–15)
reg.b (reg = 0–255, b = 0–7)
reg or RRp (reg = 0–254, even number only, where
p = 0, 2, ..., 14)
addr (addr = 0–254, even number only)
@Rn (n = 0–15)
@Rn or @reg (reg = 0–255, n = 0–15)
@RRp (p = 0, 2, ..., 14)
@RRp or @reg (reg = 0–254, even only, where
p = 0, 2, ..., 14)
#reg [Rn] (reg = 0–255, n = 0–15)
#addr [RRp] (addr = range –128 to +127, where
p = 0, 2, ..., 14)
#addr [RRp] (addr = range 0–65535, where
p = 0, 2, ..., 14)
addr (addr = range 0–65535)
addr (addr = number in the range +127 to -128 that is
an offset relative to the address of the next instruction)
#data (data = 0–255)
#data (data = range 0–65535)
6-8
6 INSTRUCTION SET