Nintendo GAME BOY Programming Manual page 169

* Free Addresses
Bank 00h 1800h – 1FFFh
Bank 7Eh B000h – BFFFh
Bank 7Fh 0000h – FFFFh
Note: When an Super NES program is tranferred to W-RAM and executed, 00h
should be written to 1700h of bank 00. This can be written either by
using DATA_SND or DATA_TRN or by using the transferred program.
Command: MLT_REQ (Code: 11h)
Function: Requests multiplayer mode.
d7
1 0 0
00h
d7
01h -- --
* The default value is 00h.
d0
0 1 0 0 1
d0
-- -- -- --
Chapter 6: The Super Game Boy System
Number of packets: 1h (fixed)
Command code: 11h
0: No request
1: Request
The game program can use a connector for 2
controllers (e.g., standard Controllers and
Multiplayer 5).
0: 2 players
1: 4 players
(Multiplayer 5 required)
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