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PM0044 数据表(PDF) 109 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) 109 Page - STMicroelectronics

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PM0044
STM8 instruction set
Doc ID 13590 Rev 3
109/162
Syntax
IRET
Operation
CC = (++SP)
A = (++SP)
XH = (++SP)
XL = (++SP)
YH = (++SP)
YL = (++SP)
PCE = (++SP)
PCH = (++SP)
PCL = (++SP)
Description
Placed at the end of an interrupt routine, returns to the original program
context before the interrupt occurred. All registers, which have been
saved/pushed onto the stack are restored/popped. The I bit will be reset if
the corresponding bit stored on the stack is zero.
Instruction overview
Condition flags set or reset according to the first byte pulled from the stack.
Detailed description
See also: Interrupts, TRAP
IRET
Interrupt Return
IRET
mnem
Affected condition flags
VI1
H
I0
N
Z
C
IRET
V
I1
H
I0
N
Z
C
Addressing
mode
Asm
cy
lgth
Op-code(s)
ST7
Inherent
IRET
11
180



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