st72324bk STMicroelectronics, st72324bk Datasheet - Page 113

• Manufacturer Part Number: st72324bk
• Description: 3 V/5 V Range 8-bit Mcu With 4/8 Kbyte Rom, 10-bit Adc, Four Timers And Spi
• Manufacturer: STMicroelectronics

ST72323 ST72323L
Table 59.
MUL
NEG
NOP
OR
POP
PUSH
RCF
RET
RIM
RLC
RRC
RSP
SBC
SCF
SIM
SLA
SLL
SRL
SRA
SUB
SWAP
TNZ
TRAP
WFI
XOR
Mnemo
Multiply
Negate (2's compl)
No operation
OR operation
Pop from the stack
Push onto the stack
Reset carry flag
Subroutine return
Enable interrupts
Rotate left true C
Rotate right true C
Reset stack pointer
Subtract with carry
Set carry flag
Disable interrupts
Shift left arithmetic
Shift left logic
Shift right logic
Shift right arithmetic
Subtraction
SWAP nibbles
Test for neg & zero
S/W trap
Wait for interrupt
Exclusive OR
Instruction set overview (continued)
Description
X,A = X * A
neg $10
A = A + M
pop reg
pop CC
push Y
C = 0
I1:0 = 10 (level 0)
C <= A <= C
C => A => C
S = Max allowed
A = A - M - C
C = 1
I1:0 = 11 (level 3)
C <= A <= 0
C <= A <= 0
0 => A => C
A7 => A => C
A = A - M
A7-A4 <=> A3-A0
tnz lbl1
S/W interrupt
A = A XOR M
Function/example
A, X, Y X, Y, A
reg, M
A
reg
CC
M
reg, M
reg, M
A
reg, M
reg, M
reg, M
reg, M
A
reg, M
A
Dst
M
M
M
reg,
CC
M
M
M
Src
I1
I1
1
1
1
1
H
H
0
Instruction set
I0
I0
0
1
1
0
N
N
N
N
N
N
N
N
N
N
N
N
N
N
0
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Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
Z
C
C
C
C
C
C
C
C
C
C
C
0
0
1