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MDT1020 Datasheet, PDF (8/18 Pages) Micon Design Technology Corporation – 8-bit micro-controller
MDT1020
011011 trrrrrrr ADDWR R t Add W and register
W+R t
C,HC,Z
011100 trrrrrrr
SUBWR R, t Subtract W from register
R W t (R+/W+1 C,HC,Z
t)
011101 trrrrrrr DECR R, t Decrement register
R 1t
Z
011110 trrrrrrr
010010 trrrrrrr
DECRSZ R, t Decrement register, skip if R 1 t
zero
ANDWR R, t AND W and register
R Wt
None
Z
110100 iiiiiiii
ANDWI i AND W and immediate
i WW
Z
010011 trrrrrrr
IORWR R, t Inclu. OR W and register
R Wt
Z
110101 iiiiiiii
IORWI i
Inclu. OR W and immediate i W W
Z
010100 trrrrrrr XORWR R, t Exclu. OR W and register R W t
Z
110110 iiiiiiii
XORWI i Exclu. OR W and immediate i W W
Z
011111 trrrrrrr COMR R, t Complement register
/R t
Z
010110 trrrrrrr RRR R, t Rotate right register
R(n) R(n-1), C
C
R(7),R(0) C
010101 trrrrrrr RLR R, t Rotate left register
R(n) r(n+1),
C
C R(0),R(7) C
010000 1xxxxxxx CLRW
Clear working register
0W
Z
010001 0rrrrrrr CLRR R Clear register
0R
Z
0000bb brrrrrrr BCR R, b Bit clear
0 R(b)
None
0010bb brrrrrrr BSR R, b Bit set
1 R(b)
None
0001bb brrrrrrr BTSC R, b Bit Test, skip if clear
Skip if R(b)=0
None
0011bb brrrrrrr BTSS R, b Bit Test, skip if set
Skip if R(b)=1
None
100nnn nnnnnnnn LCALL n Long CALL subroutine
n PC,
None
PC+1 Stack
101nnn nnnnnnnn LJUMP n Long JUMP to address
n PC
None
110000 nnnnnnnn CALL n Call subroutine
n PC,
None
PC+1 Stack
110001 iiiiiiii
RTWI i
Return, place immediate to Stack PC,
W
iW
None
11001n nnnnnnnn JUMP n JUMP to address
n PC
None
Note :
W
:
WT
:
TMODE :
CPIO :
TF
:
PF
:
PC
:
OSC :
Working register
Watchdog timer
TMODE mode register
Control I/O port register
Timer overflow flag
Power loss flag
Program Counter
Oscillator
b:
t:
0
1
R:
C:
HC :
Z:
Bit position
Target
: Working register
: General register
General register address
Carry flag
Half carry
Zero flag
This specification are subject to be changed without notice. Any latest information please preview
http;//www.mdtic.com.tw
P.8
2005/6 Ver1.4