Sega Saturn Technical Information download pdf (Page 54)

Sega Saturn Software Development Standards, SOA version 2.0 49

2.1 Initialization Check

Required The following processes must occur during the initialization

Compliance Item check:

• Check initialization status of the System Memory and

Cartridge Memory (if present) as well as any other external

backup memory devices (if connected).

• Do not allow the game to start if the available backup memory

is not initialized.

The initialization of the System Memory and Cartridge Memory

must always be checked without fail prior to the start of the main

game.

If either one is not initialized, the user must be notified about the

memory status and instructed to perform initialization directly

from the game application or from the Sega Saturn’s boot ROM-

based Memory Manager screen The game must not be started if

either memory device remains uninitialized.

The Backup RAM BIOS calls must be used when accessing the

backup RAM. The System Memory, Cartridge Memory and External

Device must not be formatted using a backup library function other

than SEGASATURN_BACKUP_FORMAT .

2.2 Check for Data and Available Memory

Required The following checks must occur:

Compliance Item

• Check for data.

• Check available memory.

Before the main game starts, check for data that can be used

by the application as well as the remaining memory space of the

System Memory and Cartridge Memory. If the application’s

data does not exist or there is insufficient amount of memory

left to save data, then display the appropriate warning message

(see section 2.8 Warning Messages).

2.3 Load

Required This process must occur during the load operation:

Compliance Item

• Check for damaged data and load errors.

Always check for damaged data when reading data. If the

data is unusable, then notify the user by displaying that

file name in a different name format that indicates its

damaged status.

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Sega Saturn Technical Information Page 54