Multi Terminal

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2. Multi terminal

All software for Sega Saturn must work without problems on multi-terminals, regardless of the number of players supported .

1) Specifications

“Multi-terminal 6” is a multi-tap having 6 input terminals. By connecting the multi-terminal 6 to both the main body terminal 1 and the main body terminal 2, a maximum of 12 input peripherals can be connected.
* Connecting a multi-terminal to a multi-terminal terminal is considered unconnected in terms of hardware and does not need to be supported .

2) Multi-terminal setting principle

Since the number of terminals and the number of players that can be played increase when connecting to multiple terminals, the following principles that extend 〈Principles for setting supported peripherals〉 must be observed.

・ If a P or multi-terminal is not connected to terminal 1, do not start the game.

・ When a multi-terminal is connected to the main terminal 1, if the corresponding P is not connected to any terminal of the multi-terminal, the game must not be started.

・ When playing with multiple players, it must operate normally regardless of whether the main terminal 1 or the main terminal 2 is connected to the multi-terminal. (Refer to the connection example on the next page)

/ Assigning operation numbers always gives priority to the lower numbered terminal (left terminal) according to the connection status of the multi-terminal, and the operation number must not be reversed.

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

* As long as the operation number is not reversed, the terminals used do not necessarily have to be continuous. (There may be a space between terminals used )

Figure Separate volume 2-2: Connection example of multi-terminal (1) Terminals [1] to [7]

Figure Annex 2-3: Connection example of multi-terminal (2) Terminals [1] to [7]

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

Figure Separate volume 2-4: Connection example of multi-terminal (3) Terminals [1] to [12]

3) Checking input peripherals when using multi-terminal

Check input peripherals when using multi-terminal. As a general rule, where there is no description, comply with “1. Basic items” .

《Recommended Specifications》

(a) Check before starting

◆ Check for compatible P (valid terminal registration)

(b) Check at start

◆ Start application

As a general rule, play is started by the input peripheral connected to the lowest numbered terminal among the valid terminals . (That is, the input peripheral connected to the main terminal 1 or the lowest numbered terminal among the effective terminals of the multi-terminal connected to the main terminal 1)
* In multiplayer games where participation is possible, it may be possible to start from other than 1P.

◆ Determining the terminal used

When using multiple terminals, there are many cases in which the terminal to be used must be selected from a plurality of effective terminals. In such a case, the terminal to be used shall be determined according to one of the following rules.
(I) From the valid terminals, Select the terminals to be used left-justified in order of increasing terminal number .

(Ii) Select the terminals to be used in order from the smallest terminal number among the valid terminals (assign operation numbers). / I>.

* In the case of rule (ii), an operation number may be assigned to an unused terminal.

* When applying rule (ii), the specifications must be such that operation numbers are not confused. (The player who participated at the moment the start button was pressed is displayed on the screen, and the reaction of the input is displayed on the screen.)

(c) Check in main game

◆ Check for insertion / removal

Even if the multi-terminal itself is inserted or removed during [Main Game], or if the multi-terminal is replaced with a single peripheral (and vice versa), it will not affect the user's intentional negligence. You have to deal with it to prevent problems .
For other insertion / removal, [1. Conforms to [Basic items].

(i) When removed

If a used P or a multi-terminal including the used P is removed during play, it is determined that there is no input . (Or perform “System Pause” and display a warning at the same time)
→→ Used P, or a terminal that has a multi-terminal including use P becomes an “used use terminal”. There may be a plurality of “available terminals”. (See Figure 2-5 to 2-7)

Figure Separate volume 2-5: When one input peripheral is removed

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) When connected

If the corresponding P is returned to the “usable used terminal” as a result of removing the used P, the input is resumed .
If a multi-terminal that includes the used P of the same configuration is returned to the “usable used terminal” (main unit terminal) as a result of the multi-terminal including the used P being removed, restart the input. .
When a multi-terminal that includes a used P is pulled out and replaced with a multi-terminal that includes a differently used P Only P resumes its input. (See figure 2-8)
Other than that, don't affect the game .
* In both cases, wait for release when paused.

* Even if a non-used use P is returned, if it is a corresponding P, input is resumed.

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

(iii) When replaced

When the multi-terminal is replaced with one peripheral (or vice versa), the number of terminals does not match. The rules in that case are as follows.
[Replaced with few terminals] (multi-terminal → one peripheral)
→ Consider that it is the youngest terminal among the terminals before replacement (See figure Separate volume 2-9, Separate volume 2-10)

[When replaced with many terminals] (one peripheral → multi-terminal) → Only the youngest terminal among the replaced terminals is valid (See Figure 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: If the number of terminals does not match (part 3)

(iii) When added

In an application that uses multi-terminal and has [Participation in the middle], there is a possibility that the operation number will be reversed if it is additionally inserted.

* The multi-terminal setting principle allows that there is a vacancy between the terminals used, and also allows additional insertion during the main game when there is a [participation]. Therefore, if the connection is additionally made to a vacant terminal, the operation number may be reversed.

In this case, the operation number is prevented from being reversed by the following rule.

Ignore the additional difference on the left side (younger number side) than the terminal with the largest operation number . (Prohibit interrupts to already assigned operation numbers)
Accept any additional difference on the right side of the terminal with the highest operation number . (Only addition of operation number is allowed at any time)
* Most multi-terminal users are premised on the assumption that they are using a left-justified connection as specified in the instruction manual.

(2. Multi-terminal 6, finished)

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