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2. multi terminal

All software for the Sega Saturn must work flawlessly on multiple terminals, regardless of the number of players supported .

1) Specifications

• "Multi-Terminal 6" is a multi-tap with six input terminals. By connecting the multi-terminal 6 to both the main body terminal 1 and the main body terminal 2, it is possible to connect up to 12 input peripherals.

  * Connecting a multi-terminal to a multi-terminal terminal is considered not connected in terms of hardware, so it does not need to be supported .

2) Multi-terminal setting principles

When connecting multiple terminals, the number of terminals and the number of players who can play will increase.〈 Supported input peripheral setting principles〉 The following principles, which are expanded upon, must be observed.

*Reversal of operation numbers means that originally, operation numbers should be assigned in ascending order from the smallest terminal number, but this is not the case.

*The terminals used do not necessarily have to be consecutive, as long as the operation numbers are not reversed. (This means that there may be space between the terminals used .)

Figure Separate volume 2-2: Multi-terminal connection example (1) Terminals [1] to [7]

Figure Separate volume 2-3: Multi-terminal connection example (2) Terminals [1] to [7]

*This connection example (2) is not recommended. In principle, connection example (1).

Figure Separate volume 2-4: Multi-terminal connection example (3) Terminals [1] to [12]

3) Checking input peripherals when using multi-terminal

Check the input peripherals when using multi-terminal. As a general rule, "1. Basic items" shall be followed for areas where the content is not described .

《Recommended specifications》

◆Checking compatible P (registering valid terminals)

(b) Check at start

◆Starting the application

• In principle, play is started by the input peripheral connected to the terminal with the lowest number among the valid terminals . (In other words, the input peripheral connected to main unit terminal 1 or the terminal with the lowest number among the valid terminals of the multi-terminal connected to main unit terminal 1)

  *In multiplayer games where mid-game participation is possible, it may be possible to start from a point other than 1P.

◆Determining the terminal to be used

• When using a multi-terminal, it is often necessary to select a terminal to use from among a plurality of valid terminals. In such a case, the terminal to be used shall be determined according to one of the following rules.

  (i) Select the terminals to be used from among the valid terminals in descending order of terminal number to the left .

  (ii) Select the terminals to be used from among the valid terminals in descending order of terminal number (assign operation numbers), but only those terminals whose start button is pressed at a specific location such as the title screen are used .

  *In the case of rule (ii), operation numbers may be assigned to unused terminals.

  *When applying rule (ii), the specifications must be such that the operation numbers do not cause confusion. (Display on the screen which players have joined the moment you press the start button, display input reactions on the screen, etc.)

◆Checking for insertion and removal

• Even if the multi-terminal itself is inserted or removed during the [main game], or if the multi-terminal is replaced with a single peripheral (and vice versa), the problem will not occur even if it is due to intentional negligence on the part of the user. Must .
• In the case of insertion/removal other than the above, [1. Basic items].

(i) If unplugged

• If a used P or a multi-terminal including a used P is unplugged during play, it is determined that there is no input . (or do a "system pause" and display a warning at the same time)
  →A used P or a terminal with a multi-terminal including a used P becomes an "vacant used terminal." There may be a plurality of "vacant terminals". (See figures 2-5 to 2-7)

Figure Separate Volume 2-5: When one input peripheral is disconnected

Figure Separate volume 2-6: When the multi terminal is removed (Part 1)

Figure Separate volume 2-7: When the multi-terminal is removed (Part 2)

(ii) if it is posted;

• When the corresponding P is returned to the "vacant terminal" as a result of the removal of the used P, its input is restarted .
• When the multi-terminal containing the used P is pulled out and a multi-terminal containing the used P with exactly the same configuration is returned to the "vacant used terminal" (main body terminal), the input is restarted.
• If a multi-terminal containing a used P is removed and replaced with a multi-terminal containing a used P with a different configuration, only the corresponding P connected to the "vacant used terminal" on the multi-terminal will receive its input. resume. (See Figure Appendix 2-8)
• Otherwise, it will not affect the game .

  *In either case, if you are in a pause state, wait for it to be released.

  *Even if a P other than the removed used P is returned, if it is a corresponding P, input is resumed.

Figure Supplement 2-8: When replaced with a multi-terminal with a different configuration (as a continuation of Figure Supplement 2-7)

(iii) if replaced;

• If a multi-terminal is replaced with a single peripheral (or vice versa), the number of terminals will not match. The rules in that case are as follows.

  [When replaced with fewer terminals] (Multi-terminal → one peripheral)
  → It is assumed that it is inserted into the youngest terminal among the terminals before being replaced (see Figures Appendix 2-9 and Appendix 2-10)

  [When replaced with many terminals] (one peripheral → multi-terminal) → Only the youngest terminal among the replaced terminals is valid (see Figure Appendix 2-10)

Figure Separate Volume 2-9: When the number of terminals does not match (Part 1) Figure Separate Volume 2-10: When the number of terminals does not match (Part 2)

Figure Separate volume 2-11: When the number of terminals does not match (Part 3)

(iii) if added;

In applications that use multiple terminals and have mid-term participation, there is a possibility that the operation number will be reversed if an additional terminal is inserted.

*The multi-terminal setting principle allows for free space between the terminals used, and also allows for additions during the main game in the case of [partial participation]. Therefore, if an additional terminal is inserted into a vacant terminal, there is a possibility that the operation number will be reversed.

In this case, the following rules shall be used to prevent the operation numbers from being reversed.

• Anything additionally connected to the left side (lower number side) of the terminal with the highest operation number is ignored . (Interruptions to operation numbers that have already been assigned are prohibited)
• Items additionally inserted to the right of the terminal with the highest operation number will be accepted . (Only addition of operation number is permitted at any time)

  *This is based on the assumption that most multi-terminal users are using the terminal in a left-aligned connection state, as specified in the instruction manual.

(2. Multi Terminal 6, completed)

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