Nintendo 1504166 - Game Boy Advance SP Edition Console Programming Manual page 151

AGB Programming Manual
JOYCNT [d00] Device Reset Signal Receive Flag
Set when a device reset command is received.
When this is set, if you write a 1, a reset can be done.
Receive Data Register
Address Register
JOY_
150h
RECV_L
Address Register
JOY_
152h
RECV_H
Send Data Register
Address Register
JOY_
154h
TRANS_L
Address Register
JOY_
156h
TRANS_H
Receive Status Register
The lower 8-bits of the receive status register JOYSTAT is returned as the
communication status.
Address Register
158h JOYSTAT
JOYSTAT [d05,d04] General Purpose Flag
This flag is not assigned.
The user can set the use of this flag arbitrarily.
©1999 - 2001 Nintendo of America Inc.
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Receive Lower Data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Receive Upper Data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Send Lower Data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Send Upper Data
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
General Purpose Flag
151
Communication Functions
Attributes Initial Value
R/W 0000h
Initial Value
Attributes
R/W
0000h
Initial
Attributes
Value
R/W
0000h
Initial
Attributes
Value
R/W 0000h
Initial
Attributes
Value
R/W 0000h
Receive Status Flag
Send Status Flag
D.C.N. AGB-06-0001-002B4