===== 12 RXI F16 SIO0 RX IRQ | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000480
First reads, twice back to back then 1000 cycles on: I_STAT 950D0000 950D0000 950D0000, GPUSTAT
5606200F 5606200F 5606200F, SPUSTAT 0005 0005 0005, JOY_STAT 0000A805 00005005 00020005, DICR 00000000 00000000 00000000
Slot 1 (the pad), CTRL 0803h | mode << 8 (RX IRQ on, no ACK IRQ), 01 42 00 00 00 00 00
00 sent 2400 cycles apart with none read: JOY_STAT&3FF/I_STAT bit 7 after each.
Mode 0 (1 bytes): 207/1 207/1 207/1 207/1 207/1 207/1 207/1 207/1; read out 8: FF 41 5A FF FF FF FF FF
Mode 1 (2 bytes): 007/0 207/1 207/1 207/1 207/1 207/1 207/1 207/1; read out 8: FF 41 5A FF FF FF FF FF
Mode 2 (4 bytes): 007/0 007/0 007/0 207/1 207/1 207/1 207/1 207/1; read out 8: FF 41 5A FF FF FF FF FF
Mode 3 (8 bytes): 007/0 007/0 007/0 007/0 007/0 007/0 007/0 207/1; read out 8: FF 41 5A FF FF FF FF FF
Done.