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FS9912 Datasheet(PDF) 20 Page - Fortune Semiconductor Corp.

Part # FS9912
Description  8-bit MCU with 4k program ROM
PDF  34 Pages
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Manufacturer  FORTUNE [Fortune Semiconductor Corp.]
Direct Link  https://www.ic-fortune.com/eng/index.asp
Logo FORTUNE - Fortune Semiconductor Corp.

FS9912 Datasheet(HTML) 20 Page - Fortune Semiconductor Corp.

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FS9912
Rev. 3.6
20/34
XORLW
Exclusive OR literal with W
Syntax
XORLW k
Operation
W XOR k => W
Status Affected
Z
Description
Exclusive OR the content of the W register and the eight-bit literal "k". The result is
stored in the W register.
MOVLW
Move literal to W
Syntax
MOVLW k
Operation
k => W
Status Affected
None
Description
Move the eight-bit literal "k" to the content of the W register.
RETLW
Return and move literal to W
Syntax
RETLW k
Operation
k => W
[Top Stack] => PC
Pop Stack
Status Affected
None
Description
Move the eight-bit literal "k" to the content of the W register. The program counter
is loaded from the top stack, then pop stack.
CALL
Subroutine CALL
Syntax
CALL k
Operation
Push Stack
PC + 1 => [Top Stack]
k => PC
Status Affected
None
Description
Subroutine Call. First, return address PC + 1 is pushed onto the stack. The
immediate address is loaded into PC.
GOTO
Unconditional Branch
Syntax
GOTO k
Operation
k => PC
Status Affected
None
Description
The immediate address is loaded into PC.
Return
Return from Subroutine
Syntax
RETURN
Operation
[Top Stack] => PC
Pop Stack
Status Affected
None
Description
The program counter is loaded from the top stack, then pop stack.
RETFIE
Return from Interrupt
Syntax
RETFIE
Operation
[Top Stack] => PC
Pop Stack
1 => GIE
Status Affected
None
Description
The program counter is loaded from the top stack, then pop stack. Setting the GIE
bit enables interrupts.
ADDPCW
ADD W to Program Counter
Syntax
ADDPCW
Operation
PC + 1 + W => PC
Status Affected
None
Description
The relative address PC + 1 + W is loaded into PC. The working register must less
than 80h (128d).



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