ST72321B STMICROELECTRONICS [STMicroelectronics], ST72321B Datasheet - Page 136

• Manufacturer Part Number: ST72321B
• Description: 64/44-pin 8-bit MCU with 32 to 60K Flash/ROM, ADC, five timers, SPI, SCI, I2C interface
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

INSTRUCTION SET OVERVIEW (Cont’d)
136/187
Mnemo
ADC
ADD
AND
BCP
BRES
BSET
BTJF
BTJT
CALL
CALLR
CLR
CP
CPL
DEC
HALT
IRET
INC
JP
JRA
JRT
JRF
JRIH
JRIL
JRH
JRNH
JRM
JRNM
JRMI
JRPL
JREQ
JRNE
JRC
JRNC
JRULT
JRUGE
JRUGT
Bit compare A, Memory
Call subroutine
Call subroutine relative
Clear
One Complement
Halt
Jump relative always
Jump relative
Never jump
Jump if H = 1
Jump if H = 0
Jump if I1:0 = 11
Jump if I1:0 <> 11
Jump if Z = 0 (not equal)
Jump if C = 1
Jump if C = 0
Add with Carry
Addition
Logical And
Bit Reset
Bit Set
Jump if bit is false (0)
Jump if bit is true (1)
Arithmetic Compare
Decrement
Interrupt routine return
Increment
Absolute Jump
Jump if ext. INT pin = 1
Jump if ext. INT pin = 0
Jump if N = 1 (minus)
Jump if N = 0 (plus)
Jump if Z = 1 (equal)
Jump if C = 1
Jump if C = 0
Jump if (C + Z = 0)
Description
A = A + M + C
A = A + M
A = A . M
tst (A . M)
bres Byte, #3
bset Byte, #3
btjf Byte, #3, Jmp1
btjt Byte, #3, Jmp1
tst(Reg - M)
A = FFH-A
dec Y
Pop CC, A, X, PC
inc X
jp [TBL.w]
jrf *
(ext. INT pin high)
(ext. INT pin low)
H = 1 ?
H = 0 ?
I1:0 = 11 ?
I1:0 <> 11 ?
N = 1 ?
N = 0 ?
Z = 1 ?
Z = 0 ?
C = 1 ?
C = 0 ?
Unsigned <
Jmp if unsigned >=
Unsigned >
Function/Example
A
A
A
A
M
M
M
M
reg, M
reg
reg, M
reg, M
reg, M
Dst
M
M
M
M
M
Src
I1
I1
1
H
H
H
H
I0
I0
0
N
N
N
N
N
N
N
N
N
N
0
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
1
C
C
C
C
C
C
C
1