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HT9580 Datasheet(PDF) 55 Page - Holtek Semiconductor Inc

Part # HT9580
Description  Character Pager Controller
PDF  63 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT9580 Datasheet(HTML) 55 Page - Holtek Semiconductor Inc

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background image
Name
Opcode
Addr
Mode
Flags
No.
Bytes
No.
Cyc.
Description
NV E B D I Z C
LDA
B1
INY
+ ----- + -
2
5
A<=M
LDX
A2
IMM
+ ----- + -
2
2
X<=M
LDX
A6
ZPG
+ ----- + -
2
3
X<=M
LDX
B6
ZPY
+ ----- + -
2
4
X<=M
LDX
AE
ABS
+ ----- + -
3
4
X<=M
LDX
BE
ABY
+ ----- + -
3
4
X<=M
LDY
A0
IMM
+ ----- + -
2
2
Y<=M
LDY
A4
ZPG
+ ----- + -
2
3
Y<=M
LDY
B4
ZPX
+ ----- + -
2
4
Y<=M
LDY
AC
ABS
+ ----- + -
3
4
Y<=M
LDY
BC
ABX
+ ----- + -
3
4
Y<=M
LSR
4A
ACC
0 ----- + +
1
2
M<=M>1 shift right 1, zero ->7, 0->C
LSR
46
ZPG
0 ----- + +
2
5
M<=M>1 shift right 1, zero ->7, 0->C
LSR
56
ZPX
0 ----- + +
2
6
M<=M>1 shift right 1, zero ->7, 0->C
LSR
4E
ABS
0 ----- + +
3
6
M<=M>1 shift right 1, zero ->7, 0->C
LSR
5E
ABX
0 ----- + +
3
7
M<=M>1 shift right 1, zero ->7, 0->C
NOP
EA
IMP
--------
1
2
No operation
ORA
09
IMM
+ ----- + -
2
2
A<=A|M
ORA
05
ZPG
+ ----- + -
2
3
A<=A|M
ORA
15
ZPX
+ ----- + -
2
4
A<=A|M
ORA
0D
ABS
+ ----- + -
3
4
A<=A|M
ORA
1D
ABX
+ ----- + -
3
4
A<=A|M
ORA
19
ABY
+ ----- + -
3
4
A<=A|M
ORA
12
IND
+ ----- + -
2
5
A<=A|M
ORA
01
INX
+ ----- + -
2
6
A<=A|M
ORA
11
INY
+ ----- + -
2
5
A<=A|M
PHA
48
IMP
--------
1
3
Push A on stack
PHP
08
IMP
--------
1
3
Push status on stack
PHX
DA
IMP
--------
1
3
Push X on stack
PHY
5A
IMP
--------
1
3
Push Y on stack
PLA
68
IMP
+ ----- + -
1
3
Pull A from stack
PLP
28
IMP
From Stack
1
3
Pull status from stack
PLX
FA
IMP
+ ----- + -
1
3
Pull X from stack
PLY
7A
IMP
+ ----- + -
1
3
Pull Y from stack
RMB0
07
ZPG
--------
2
4
M(0) <=0 (RMW)
RMB1
17
ZPG
--------
2
4
M(1) <=0 (RMW)
HT9580
55
April 28, 2000
Preliminary



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