參數(shù)資料
型號: ID78K0
英文描述: ID78K0 Guide Windows(TM) based operation | User's Manual[03/1998]
中文描述: ID78K0指南的Windows(TM)的運作|用戶手冊[03/1998]
文件頁數(shù): 28/109頁
文件大小: 1088K
代理商: ID78K0
Chapter 2 Basic Operations 2.1 Establishing the Environment
16
2.1.6 Setting Memory Banks
The 78K0 series has an address space consisting of up to 64K bytes between addresses 0 and
0xffff.
A program of 64K bytes or more can be run by switching part or all of the program area between
addresses 0 and 0xffff.
The structure of the memory banks is shown below.
In the following figure, the 16K-byte space between addresses 4000h and 7fffh is used for the
memory banks. Five banks, 0 to 4, are used. When bank 0 is selected, data in bank 0 can be
accessed at addresses 4000h to 7fffh, a linear space existing between address 0h and 7fffh.
When bank 0 is selected, the spaces corresponding to banks 1 to 4 cannot be accessed. When
bank 3 is selected, the data in bank 3 can be accessed between addresses 4000h and 7fffh.
The other banks cannot be accessed.
Memory Bank Switching
0000H
FFFFH
SFR
3FFFH
4000H
7FFFH
Internal ROM
Bank1
Bank2
Bank3
Bank4
0000H
FFFFH
SFR
3FFFH
4000H
7FFFH
Internal ROM
Bank0
Bank1
Bank2
Bank4
When bank 0 is
selected
When bank 3 is
selected
Bank memory
Bank0
Bank memory
Bank3
相關(guān)PDF資料
PDF描述
ID78K0S-NS ID78K0-NS.ID78K0S-NS Ver.2.20 or later for Operation Windows(TM)Base | User's Manual[10/2000]
ID78K3 ID78K3 Reference for PC-9801 and 9821 Series (Windows) and IBM PC/ATSeries (Windows) Ver.V1.20 | User's Manual[10/1995]
ID78K4 ID78K series Ver.2.30 or laterfor Operation(Win) | User's Manual[05/2001]
ID78K4-NS ID78K series Ver.2.30 or laterfor Operation(Win) | User's Manual[05/2001]
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