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GMS81C7216 Datasheet, PDF (104/121 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS
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GMS81C7208/7216
Control Operation & Etc.
No.
Mnemonic
1
BRK
2
DI
3
EI
4
NOP
5
POP A
6
POP X
7
POP Y
8
POP PSW
9
PUSH A
10
PUSH X
11
PUSH Y
12
PUSH PSW
13
RET
14
RETI
15
STOP
Op
Code
0F
60
E0
FF
0D
2D
4D
6D
0E
2E
4E
6E
6F
7F
EF
Byte
No
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Cycle
No
8
3
3
2
4
4
4
4
4
4
4
4
5
6
3
Operation
Software interrupt : B ← ”1”, M(sp) ← (pcH), sp ←sp-1,
M(s) ← (pcL), sp ← sp - 1, M(sp) ← (PSW), sp ← sp -
1,
pcL ← ( 0FFDEH ) , pcH ← ( 0FFDFH) .
Disable all interrupts : I ← “0”
Enable all interrupt : I ← “1”
No operation
sp ← sp + 1, A ← M( sp )
sp ← sp + 1, X ← M( sp )
sp ← sp + 1, Y ← M( sp )
sp ← sp + 1, PSW ← M( sp )
M( sp ) ← A , sp ← sp - 1
M( sp ) ← X , sp ← sp - 1
M( sp ) ← Y , sp ← sp - 1
M( sp ) ← PSW , sp ← sp - 1
Return from subroutine
sp ← sp +1, pcL ← M( sp ), sp ← sp +1, pcH ← M( sp )
Return from interrupt
sp ← sp +1, PSW ← M( sp ), sp ← sp + 1,
pcL ← M( sp ), sp ← sp + 1, pcH ← M( sp )
Stop mode ( halt CPU, stop oscillator )
Flag
NVGBHIZC
---1-0--
-----0--
-----1--
--------
--------
restored
--------
--------
restored
--------
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FEB. 2005 Ver 1.04
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