參數(shù)資料
型號: FM8P54
廠商: Electronic Theatre Controls, Inc.
英文描述: EPROM/ROM-Based 8-Bit Microcontroller Series
中文描述: 存儲器/基于ROM的8位微控制器系列
文件頁數(shù): 32/50頁
文件大?。?/td> 368K
代理商: FM8P54
FM8P54/56
Rev1.21 May 31, 2005
P.32/FM8P54/56
FEELING
TECHNOLOGY
MOVAR
Syntax:
Operands:
Operation:
Status Affected:
Description:
Cycles:
MOVIA
Syntax:
Operands:
Operation:
Status Affected:
Description:
Cycles:
MOVR
Syntax:
Operands:
Move ACC to R
MOVAR R
0
R
63
ACC
R
None
Move data from the ACC register to register ‘R’.
1
Move Immediate to ACC
MOVIA I
0
I
255
I
ACC
None
The 8-bit immediate ‘I’ is loaded into the ACC register. The don’t cares will assemble as 0s.
1
Move R
MOVR R, d
0
R
63
d
[0,1]
R
dest
Z
The contents of register ‘R’ is moved to destination ‘d’. If ‘d’ is 0, destination is the ACC
register. If ‘d’ is 1, the destination is file register ‘R’. ‘d’ is 1 is useful to test a file register since
status flag Z is affected.
1
Operation:
Status Affected:
Description:
Cycles:
NOP
Syntax:
Operands:
Operation:
Status Affected:
Description:
Cycles:
OPTION
Syntax:
Operands:
Operation:
Status Affected:
Description:
Cycles:
RETFIE
Syntax:
Operands:
Operation:
Status Affected:
Description:
No Operation
NOP
None
No operation
None
No operation.
1
Load OPTION Register
OPTION
None
ACC
OPTION
None
The content of the ACC register is loaded into the OPTION register.
1
Return from Interrupt, Set ‘GIE’ Bit
RETFIE
None
Top of Stack
PC
None
The program counter is loaded from the top of the stack (the return address). The ‘GIE’ bit is
set to 1. This is a two-cycle instruction.
2
Cycles:
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