Return to previous page Return to menu Go to next page

4. Boot system

4.1 System area

The system area is the area that is placed at the beginning of the CD-ROM.
In the system area, system information for starting applications and initial programs are written.
These must be placed continuously in the system area as IP (Initial Program).
IP consists of boot code and application initial program (AIP). The boot code includes an ID such as a game name and a security code. AIP includes code for each initial program.

Table 4.1 IP structure
 Structure 
 Size 
 Remarks 
IP
BOOT CODE
SYSTEM ID 
 100H 
 Game name, product number, version, etc. 
 SECURITY CODE 
 D00H 
 Security Code 
 AREA CODE GROUP 
 20H-100H 
 Area code group 
 APLICATION INITIAL PROGRAM 
 100H ~ 71E0H 
 Initial program, file system, etc. 

(Total 1000H to 8000H)

4.2 SYSTEM ID

Data that is placed first in the system area.

Figure 4.1 SYSTEM ID structure
 
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
 00H 
 Hardware identifier 
 10H 
 Manufacturer ID 
 20H 
 Product number 
 Version 
 30H 
 Date of release 
 Device Information 
 40H 
 Corresponding area symbol 
 Space 
 50H 
 Supported peripherals 
 60H 
 Game name 
70H
80H
90H
A0H
B0H
C0H
D0H
RESERVED
E0H
IP SIZE
RESERVED
STACK-M
STACK-S
F0H
1st READ ADDRESS
1st READ SIZE
RESERVED
RESERVED


Return to previous page Return to menu Go to next page