參數(shù)資料
型號: GMS81C2112
廠商: HYNIX SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: HYNIX SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP40
封裝: PLASTIC, DIP-40
文件頁數(shù): 34/93頁
文件大小: 853K
代理商: GMS81C2112
GMS81C1404/GMS81C1408
32
June. 2001 Ver 1.2
The operation within data memory (RAM)
ASL, BIT, DEC, INC, LSR, ROL, ROR
Example; Addressing accesses the address 0135
H
.
983500
INC
!0035H
;A
RAM[035H]
(5) Indexed Addressing
X indexed direct page (no offset)
{X}
In this mode, a address is specified by the X register.
ADC, AND, CMP, EOR, LDA, OR, SBC, STA, XMA
Example; X=15
H
D4
LDA
{X}
;ACC
RAM[X].
X indexed direct page, auto increment
{X}+
In this mode, a address is specified within direct page by
the X register and the content of X is increased by 1.
LDA, STA
Example; X=35
H
DB
LDA
{X}+
X indexed direct page (8 bit offset)
dp+X
This address value is the second byte (Operand) of com-
mand plus the data of

-register. And it assigns the mem-
ory in Direct page.
ADC, AND, CMP, EOR, LDA, LDY, OR, SBC, STA
STY, XMA, ASL, DEC, INC, LSR, ROL, ROR
Example; X=015
H
C645
LDA
45H+X
98
35
0F100
H
0F101
H
~
~
data
0035
H
address: 0035
00
0F102
H
data+1
data
data
D4
15
H
0E550
H
data
A
~
~
data
DB
35
H
data
A
36H
X
~
~
data
45
5A
H
0E551
H
data
A
~
~
C6
0E550
H
45H+15H=5AH
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