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GMS81C2112 Datasheet(PDF) 38 Page - Hynix Semiconductor

No. de Pieza. GMS81C2112
Descripción  HYNIX SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS
Descarga  107 Pages
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Fabricante  HYNIX [Hynix Semiconductor]
Página de inicio  http://www.skhynix.com/ko/index.jsp
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GMS81C2112 Datasheet(HTML) 38 Page - Hynix Semiconductor

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GMS81C2112/GMS81C2120
32
JUNE. 2001 Ver 1.00
D500FA
LDA
!0FA00H+Y
(6) Indirect Addressing
Direct page indirect
→ [dp]
Assigns data address to use for accomplishing command
which sets memory data (or pair memory) by Operand.
Also index can be used with Index register X,Y.
JMP, CALL
Example; G=0
3F35
JMP
[35H]
X indexed indirect
→ [dp+X]
Processes memory data as Data, assigned by 16-bit pair
m e m o r y w h ic h is d e te r m ine d by pai r da ta
[dp+X+1][dp+X] Operand plus
X-register data in Direct
page.
ADC, AND, CMP, EOR, LDA, OR, SBC, STA
Example; G=0, X=10H
1625
ADC
[25H+X]
Y indexed indirect
→ [dp]+Y
Processes memory data as Data, assigned by the data
[dp+1][dp] of 16-bit pair memory paired by Operand in Di-
rect page
plus Y-register data.
ADC, AND, CMP, EOR, LDA, OR, SBC, STA
Example; G=0, Y=10H
1725
ADC
[25H]+Y
Absolute indirect
→ [!abs]
The program jumps to address specified by 16-bit absolute
address.
JMP
Example; G=0
D5
0F100H
data
A
–
~
~
~
~
data
0FA55H
0FA00H+55H=0FA55H
˜
FA
0F102H
00
0F101H
—
0A
35H
jump to
–
~
~
~
~
35
0FA00H
E3
36H
—
3F
0E30AH
NEXT
~
~
~
~
address 0E30AH
05
35H
0E005H
~
~
~
~
25
0FA00H
E0
36H
16
0E005H
data
~
~
~
~
˜ A + data + C A
25 + X(10) = 35H
–
—
05
25H
0E005H + Y(10)
–
~
~
~
~
25
0FA00H
E0
26H
—
17
0E015H
data
~
~
~
~
˜
= 0E015H
A + data + C
A


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