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2.5.1 Data Transfer Instructions
Table 2-4 describes the data transfer instructions. Figure 2-5 shows their object code formats.
Table 2-4 Data Transfer Instructions
Instruction
Size*
MOV
B/W
POP
W
PUSH
W
Notes: * Size: Operand size
B:
Byte
W:
Word
Certain precautions are required in data access. See 2.9.1, Notes on Data Access, for details.
Function
(EAs) → Rd, Rs → (EAd)
Moves data between two general registers or between a general
register and memory, or moves immediate data to a general register.
The Rn, @Rn, @(d:16, Rn), @aa:16, #xx:16, @–Rn, and @Rn+
addressing modes are available for word data. The @aa:8 addressing
mode is available for byte data only.
The @–R7 and @R7+ modes require word operands. Do not specify
byte size for these two modes.
@SP+ → Rn
Pops a 16-bit general register from the stack. Equivalent to MOV.W
@SP+, Rn.
Rn → @–SP
Pushes a 16-bit general register onto the stack. Equivalent to MOV.W
Rn, @–SP.
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