Nintendo GAME BOY Programming Manual page 167

Command: DATA_SND (Code: 0Fh)
Function: Transfers data to Super NES W-RAM using the register file.
d7
0 1
00h
d7
01h
d7
02h
d7
03h
d7
04h
d0
1 1 1 0 0 1
d0
d0
d0
d0
Chapter 6: The Super Game Boy System
Number of packets: 1h (fixed)
Command code: 0Fh
Transfer destination address (LOW)
Transfer destination address (HIGH)
Bank number
Number of data items: 1h – Bh (max)
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