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2. Replace disk

1> Strict items and basic procedures

1) Strict observance

When replacing “Disk 1” and “Disk 2”, strictly observe the following items.

《Strictly observe when changing disks》

2) Basic disk replacement procedure

The replacement of “disk 1” and “disk 2” is performed according to the “basic disk replacement procedure” shown below.

  1. Display a message on the game screen prompting you to replace the disc

    [Please replace the disk. Press the open button on the main unit to go to the multiplayer screen. After swapping disc 1 and disc 2, close the CD door on the main unit and restart the game. ] (The user removes “Disk 1” = presses the open button on the main unit)

  2. Transfer processing to the multiplayer screen
    (User sets “Disk 2” = closes the CD door on the main unit) The
  3. Check CD of inserted disc The
  4. Display necessary information (License Sega logo) The
  5. If there is no problem, return to the application promptly

    * The procedure for saving (saving) necessary data to the backup RAM has been omitted.

2> From “Disc 1” to “Disc 2”

1) At the end of "Disk 1"

When the main game of “Disc 1” ends and “Disc 2” is entered, the disc is replaced in accordance with “Basic Disc Replacement Procedure”.
When “Disc 2” starts with the transition from “Disc 1”, display that is not related to the main game (display of the Sega logo, title screen, etc. in the application) is not performed as much as possible, and the game is connected smoothly. It is desirable to do. (There are some inconsistencies with the contents of 1. Basic design, 2> Title sequence, but please refer to the recommended specifications in 5.)

2) At the continuation start from the contents of “Disk 2” in “Disk 1”

If the game starts from the contents of “Disk 2” at “Continue” even though it was started from “Disk 1”, it will start from “Disk 2” before the disk replacement process. Inform the user by screen display.
(The user selects continue from the title in “Disc 1”)

  1. Read continuation information from backup RAM
    (The user selects and decides to record from the contents of “Disk 2”)
  2. Display on game screen that start from "Disk 2"
    [Start from disk 2. ]
  3. Follow “Basic procedure for disk replacement” below.

3> From “Disc 2” to “Disc 1”

As shown in the basic design section, in the case of a game over, continue, or game clear on “Disc 2”, it always returns to the application start point (“SEGA logo”) in “Disc 2”. As will be described later, in the case of resetting by “A + B + C + start button” of the pad, the “title screen” in “disc 2” is restored. Therefore, the case of transition from “Disc 2” to “Disc 1” is when there is no record (save data) starting from the contents of “Disc 2” despite starting up with “Disc 2” or “Disc 2”. This is only possible if the user selects a record that starts with the contents of “Disk 1” but started from the contents of “Disk 1”. This will be explained in the section 4> Dealing with disc insertion errors.

* If there is a game connection from "Disc 2" to "Disc 1",
2> From “Disc 1” to “Disc 2” 1) At the end of “Disc 1”
Replace the disk according to the section.

4> Incorrect disk insertion

Once through the multiplayer screen, there can be no mistakes in inserting the discs of other applications. Therefore, it is only in the cases shown in 1) and 2) below that a mistake can be determined and the user can be notified of this by a message.

  1. Started up with "Disk 2" but no corresponding save data
    A record that starts from the contents of “Disk 2” when “Disk 2” is inserted without any record (save data) used by the application, or even though it was started up by “Disk 2” If there is no (save data), the following warning message is displayed and the user is requested to replace the disk.

    [This is disk 2. No records can be started from this disc. Reinsert disk 1. ]

    * Starting from the contents of “Disc 1” even though it was started up from “Disc 1”, it is not included when there is no record (save data). (This is because “Disk 1” always has a function that allows you to start from the beginning)

    * It is up to each application to decide whether to provide a “start” function after “Disk 2”.

  2. Started with “Disc 2”, but “Record 1” recording is selected by the user
    In this case, it ’s not a mistake, so
    2. Disc replacement 2> From “Disc 1” to “Disc 2” 2)
    It corresponds according to.

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