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1.3.2 Instruction Functions
Tables 1-3 to 1-10 give brief descriptions of the instructions in each functional group.
The following notation is used.
Notation
Rd
General register (destination)
Rs
General register (source)
Rn
General register
(EAd) Destination operand
(EAs) Source operand
CCR Condition code register
N
N (negative) bit of CCR
Z
Z (zero) bit of CCR
V
V (overflow) bit of CCR
C
C (carry) bit of CCR
PC
Program counter
SP
Stack pointer (R7)
#Imm Immediate data
#xx:3 3-Bit immediate data
#xx:8 8-Bit immediate data
#xx:16 16-Bit immediate data
op
Operation field
disp
Displacement
+
Addition
–
Subtraction
×
Multiplication
÷
Division
∧
AND logical
∨
OR logical
⊕
Exclusive OR logical
→
Move
¬
Not
:3, :8, :16 3-bit, 8-bit, or 16-bit length.
9
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