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HMS81C2012A Datasheet, PDF (105/107 Pages) List of Unclassifed Manufacturers – CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver | |||
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GMS800 Series
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 â â1â, M(sp) â (pcH), sp âsp-1,
M(s) â (pcL), sp â sp - 1, M(sp) â (PSW), sp â sp -1,
pcL â ( 0FFDEH ) , pcH â ( 0FFDFH) .
Disable all interrupts : I â â0â
Enable all interrupt : I â â1â
No operation
sp â sp + 1, A â M( sp )
sp â sp + 1, X â M( sp )
sp â sp + 1, Y â M( sp )
sp â sp + 1, PSW â M( sp )
M( sp ) â A , sp â sp - 1
M( sp ) â X , sp â sp - 1
M( sp ) â Y , sp â sp - 1
M( sp ) â PSW , sp â sp - 1
Return from subroutine
sp â sp +1, pcL â M( sp ), sp â sp +1, pcH â M( sp )
Return from interrupt
sp â sp +1, PSW â M( sp ), sp â sp + 1,
pcL â M( sp ), sp â sp + 1, pcH â M( sp )
Stop mode ( halt CPU, stop oscillator )
Flag
NVGBHIZC
---1-0--
-----0--
-----1--
--------
--------
restored
--------
--------
restored
--------
x
SEP. 2004
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