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PM0044 数据表(PDF) 74 Page - STMicroelectronics

部件名 PM0044
功能描述  STM8 CPU programming manual
PDF  162 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM0044 数据表(HTML) 74 Page - STMicroelectronics

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STM8 instruction set
PM0044
74/162
Doc ID 13590 Rev 3
7.4
Instruction set
The following pages give a detailed description of each STM8 instruction.
SWAPW
Swap bytes
-
-
-
-
-
SWAPW X
R0
↔ R8
R1
↔ R9
R2
↔ R10
R3
↔ R11
R4
↔ R12
R5
↔ R13
R6
↔ R14
R7
↔ R15
5E
1
TNZ
Test for
negative or zero
--
-
-
-
TNZ ([$1234.w],X)
CC.N
← R7
CC.Z
← 1 if R=$00
← 0 otherwise
72 6D ww bb
4
TNZW
Test word for
negative or zero
--
-
-
-TNZW X
CC.N
← R15
CC.Z
← 1 if R=$0000
← 0 otherwise
5D
2
TRAP
Software
interrupt
-1
-
1
-
-
-
TRAP
PC
← PC+1
M(SP--)
← PCL
M(SP--)
← PCH
M(SP--)
← PCE
M(SP--)
← YL
M(SP--)
← YH
M(SP--)
← XL
M(SP--)
← XH
M(SP--)
← A
M(SP--)
← CC
PC
← TRAP vector
address
83
9
Flush
WFE
Wait for event
(CPU stopped,
Low power
mode)
-
-
---
-
-
WFE
CPU clock stopped till the
event input is activated.
Internal peripherals are
still running
72 8F
1
WFI
Wait for
interrupt
(CPU stopped,
Low power
mode)
-1
-
0
-
-
-
WFI
CC.I0
← 0, CC.I1 ← 1
CPU clock stopped till an
interrupt occurs. Internal
peripherals are still
running
8F
10
XOR
Logical
exclusive OR
--
-
-
-
XOR A,($12,SP)
A
← A XOR
M(SP+shortoff)
18 bb
1
1.
Number of cycles corresponding to the example op-code.
2.
If branch taken.
Table 42.
Instruction set summary (continued)
Description
Effect on CC register
Syntax example
Operation
Example
op-
code(s)
VI1
H
I0
N
Z
C



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