Packet 0x90

PSOv1 clients send this packet to log onto the login server. The server should then respond with its own Packet 0x90 indicating a response to the login.

Dreamcast Packet Format (Client->Server)

Bytes	Meaning
0x00	Packet Type (0x90)
0x01	Flags (0x00)
0x02-0x03	Packet Size (0x0028)
0x04-0x0B	Serial Number
0x0C-0x14	Unused
0x15-0x1C	Access Key
0x1D-0x27	Unused

Dreamcast Packet Format (Server->Client)

Bytes	Meaning
0x00	Packet Type (0x90)
0x01	Flags (Login Response)
0x02-0x03	Packet Size (0x0004)

Login Responses

Flag	Meaning
0	Login Ok (Client sends a Packet 0x93 next)
1	New user (Client sends a Packet 0x92 next)
2	Login Ok (Client sends a Packet 0x93 next)
3	Invalid Serial Number and/or Access Key (Client disconnects)