参数资料
型号: ST6235BQ1/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP52
封装: PLASTIC, QFP-52
文件页数: 60/82页
文件大小: 617K
代理商: ST6235BQ1/XXX
63/82
ST62T35B/E35B
INSTRUCTION SET (Cont’d)
Arithmetic and Logic. These instructions are
used to perform the arithmetic calculations and
logic operations. In AND, ADD, CP, SUB instruc-
tions one operand is always the accumulator while
the other can be either a data space memory con-
tent or an immediate value in relation with the ad-
dressing mode. In CLR, DEC, INC instructions the
operand can be any of the 256 data space ad-
dresses. In COM, RLC, SLA the operand is al-
ways the accumulator.
Table 20. Arithmetic & Logic Instructions
Notes:
X,Y.Indirect Register Pointers, V & W Short Direct RegistersD. Affected
# . Immediate data (stored in ROM memory)* . Not Affected
rr. Data space register
Instruction
Addressing Mode
Bytes
Cycles
Flags
ZC
ADD A, (X)
Indirect
1
4
ADD A, (Y)
Indirect
1
4
ADD A, rr
Direct
2
4
ADDI A, #N
Immediate
2
4
AND A, (X)
Indirect
1
4
AND A, (Y)
Indirect
1
4
AND A, rr
Direct
2
4
ANDI A, #N
Immediate
2
4
CLR A
Short Direct
2
4
CLR r
Direct
3
4
*
COM A
Inherent
1
4
CP A, (X)
Indirect
1
4
CP A, (Y)
Indirect
1
4
CP A, rr
Direct
2
4
CPI A, #N
Immediate
2
4
DEC X
Short Direct
1
4
*
DEC Y
Short Direct
1
4
*
DEC V
Short Direct
1
4
*
DEC W
Short Direct
1
4
*
DEC A
Direct
2
4
*
DEC rr
Direct
2
4
*
DEC (X)
Indirect
1
4
*
DEC (Y)
Indirect
1
4
*
INC X
Short Direct
1
4
*
INC Y
Short Direct
1
4
*
INC V
Short Direct
1
4
*
INC W
Short Direct
1
4
*
INC A
Direct
2
4
*
INC rr
Direct
2
4
*
INC (X)
Indirect
1
4
*
INC (Y)
Indirect
1
4
*
RLC A
Inherent
1
4
SLA A
Inherent
2
4
SUB A, (X)
Indirect
1
4
SUB A, (Y)
Indirect
1
4
SUB A, rr
Direct
2
4
SUBI A, #N
Immediate
2
4
62
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