參數(shù)資料
型號: HMS81C4316
英文描述: [TV : OSD/ I?C]
中文描述: [電視:OSD /我??]
文件頁數(shù): 29/94頁
文件大?。?/td> 1652K
代理商: HMS81C4316
HMS8132E/HMS81032TL
Nov. 2001 Ver 2.00
25
8.5 Addressing Mode
The HMS81004E/08E/16E/24E/32E uses six addressing
modes;
Register addressing
Immediate addressing
Direct page addressing
Absolute addressing
Indexed addressing
Register-indirect addressing
(1) Register Addressing
Register addressing accesses the A, X, Y, C and PSW.
(2) Immediate Addressing
#imm
In this mode, second byte (operand) is accessed as a data
immediately.
Example:
0435
ADC
#35H
When G-flag is 1, then RAM address is defined by 16-bit
address which is composed of 8-bit RAM paging register
(RPR) and 8-bit immediate data.
Example: G=1, RPR=0CH
E45535
LDM
35H,#55H
(3) Direct Page Addressing
dp
In this mode, a address is specified within direct page.
Example; G=0
C535
LDA
35H
;A
RAM[35H]
(4) Absolute Addressing
!abs
Absolute addressing sets corresponding memory data to
Data, i.e. second byte (Operand I) of command becomes
lower level address and third byte (Operand II) becomes
upper level address.
With 3 bytes command, it is possible to access to whole
memory area.
ADC, AND, CMP, CMPX, CMPY, EOR, LDA, LDX,
LDY, OR, SBC, STA, STX, STY
Example;
35
A+35H+C
A
04
MEMORY
E4
55
0F100
H
0F101
H
data
55H
~
~
data
0C35
H
35
0F102
H
data
35
35
H
0E551
H
data
A
~
~
C5
0E550
H
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