参数资料
型号: ST7232AJ2TC/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, PQFP44
封装: 10 X 10 MM, PLASTIC, TQFP-44
文件页数: 15/157页
文件大小: 1516K
代理商: ST7232AJ2TC/XXX
ST7232A
111/157
INSTRUCTION SET OVERVIEW (Cont’d)
Mnemo
Description
Function/Example
Dst
Src
I1
H
I0
N
Z
C
ADC
Add with Carry
A = A + M + C
A
M
H
N
Z
C
ADD
Addition
A = A + M
A
M
H
N
Z
C
AND
Logical And
A = A . M
A
M
N
Z
BCP
Bit compare A, Memory
tst (A . M)
A
M
N
Z
BRES
Bit Reset
bres Byte, #3
M
BSET
Bit Set
bset Byte, #3
M
BTJF
Jump if bit is false (0)
btjf Byte, #3, Jmp1
M
C
BTJT
Jump if bit is true (1)
btjt Byte, #3, Jmp1
M
C
CALL
Call subroutine
CALLR
Call subroutine relative
CLR
Clear
reg, M
0
1
CP
Arithmetic Compare
tst(Reg - M)
reg
M
N
Z
C
CPL
One Complement
A = FFH-A
reg, M
N
Z
1
DEC
Decrement
dec Y
reg, M
N
Z
HALT
Halt
1
0
IRET
Interrupt routine return
Pop CC, A, X, PC
I1
H
I0
N
Z
C
INC
Increment
inc X
reg, M
N
Z
JP
Absolute Jump
jp [TBL.w]
JRA
Jump relative always
JRT
Jump relative
JRF
Never jump
jrf *
JRIH
Jump if ext. INT pin = 1
(ext. INT pin high)
JRIL
Jump if ext. INT pin = 0
(ext. INT pin low)
JRH
Jump if H = 1
H = 1 ?
JRNH
Jump if H = 0
H = 0 ?
JRM
Jump if I1:0 = 11
I1:0 = 11 ?
JRNM
Jump if I1:0 <> 11
I1:0 <> 11 ?
JRMI
Jump if N = 1 (minus)
N = 1 ?
JRPL
Jump if N = 0 (plus)
N = 0 ?
JREQ
Jump if Z = 1 (equal)
Z = 1 ?
JRNE
Jump if Z = 0 (not equal)
Z = 0 ?
JRC
Jump if C = 1
C = 1 ?
JRNC
Jump if C = 0
C = 0 ?
JRULT
Jump if C = 1
Unsigned <
JRUGE
Jump if C = 0
Jmp if unsigned >=
JRUGT
Jump if (C + Z = 0)
Unsigned >
1
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