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CYWUSB6953 数据表(PDF) 16 Page - Cypress Semiconductor

部件名 CYWUSB6953
功能描述  Programmable Radio on Chip Low Power
PDF  68 Pages
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制造商  CYPRESS [Cypress Semiconductor]
网页  http://www.cypress.com
标志 CYPRESS - Cypress Semiconductor

CYWUSB6953 数据表(HTML) 16 Page - Cypress Semiconductor

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CYRF69103
Document #: 001-07611 Rev *F
Page 16 of 68
12.5 Destination Indexed
The result of an instruction using this addressing mode is placed
within either the RAM memory space or the register space.
Operand 1 is added to the X register forming the address that
points to the location of the result. The source for the instruction
is the A register. Arithmetic instructions require two sources; the
second source is the location specified by Operand 1 added with
the X register. Instructions using this addressing mode are two
bytes in length.
Example
12.6 Destination Direct Source Immediate
The result of an instruction using this addressing mode is placed
within either the RAM memory space or the register space.
Operand 1 is the address of the result. The source for the
instruction is Operand 2, which is an immediate value. Arithmetic
instructions require two sources; the second source is the
location specified by Operand 1. Instructions using this
addressing mode are three bytes in length.
Examples
12.7 Destination Indexed Source Immediate
The result of an instruction using this addressing mode is placed
within either the RAM memory space or the register space.
Operand 1 is added to the X register to form the address of the
result. The source for the instruction is Operand 2, which is an
immediate value. Arithmetic instructions require two sources; the
second source is the location specified by Operand 1 added with
the X register. Instructions using this addressing mode are three
bytes in length.
Examples
12.8 Destination Direct Source Direct
The result of an instruction using this addressing mode is placed
within the RAM memory. Operand 1 is the address of the result.
Operand 2 is an address that points to a location in the RAM
memory that is the source for the instruction. This addressing
mode is only valid on the MOV instruction. The instruction using
this addressing mode is three bytes in length.
Example
Table 12-5. Destination Indexed
Opcode
Operand 1
Instruction
Destination Index
ADD
[X+7],
A In this case, the value in the memory
location at address X+7 is added with
the Accumulator, and the result is
placed in the memory location at
address x+7. The Accumulator is
unchanged.
Table 12-6. Destination Direct Source Immediate
Opcode
Operand 1
Operand 2
Instruction
Destination Address
Immediate Value
ADD
[7],
5 In this case, value in the memory
location at address 7 is added to the
immediate value of 5, and the result is
placed in the memory location at
address 7.
MOV REG[8],
6 In this case, the immediate value of 6
is moved into the register space
location at address 8.
Table 12-7. Destination Indexed Source Immediate
Opcode
Operand 1
Operand 2
Instruction
Destination Index
Immediate Value
ADD
[X+7],
5
In this case, the value in the
memory location at address X+7
is added with the immediate
value of 5 and the result is placed
in the memory location at
address X+7.
MOV
REG[X+8],
6
In this case, the immediate value
of 6 is moved into the location in
the register space at address
X+8.
Table 12-8. Destination Direct Source Direct
Opcode
Operand 1
Operand 2
Instruction
Destination Address
Source Address
MOV
[7],
[8] In this case, the value in the memory
location at address 8 is moved to the
memory location at address 7.
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