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| HMS87C1808B Datasheet, PDF (99/99 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS | |||
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HMS87C1X04B/08B/16B
6. 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 CYCLE
NO NO
1
8
1
3
1
3
1
2
1
4
1
4
1
4
1
4
1
4
1
4
1
4
1
4
1
5
1
6
1
3
OPERATION
FLAG
NVGBHIZC
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, ---1-0--
pcL â ( 0FFDEH ) , pcH â ( 0FFDFH) .
Disable interrupts : I â â0â
-----0--
Enable interrupts : I â â1â
-----1--
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 )
restored
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 )
restored
Stop mode ( halt CPU, stop oscillator )
--------
SEP. 2004 Ver 1.03
vii
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