===== 03 UN3 KSEG1 CODE 2 | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000400

code from KSEG1 ($10 the load's address, $11 the store's):
1 nop: 2500
RAM lw: 2908
RAM lhu: 2904
RAM lbu: 2908
RAM lw, lw: 4035
RAM lw, use: 3715
I_STAT lw: 2491
I_STAT lw, lw: 3323
GPUSTAT lw: 2495
SPUSTAT lhu: 3988
CDROM status lbu: 3005
EXP1 lbu: 2899
BIOS lw: 4710
BIOS lbu: 2905
scratchpad lw: 2495
RAM sw: 3019
RAM sh: 3014
RAM sb: 3010
RAM sw, sw: 3836
RAM sw, RAM lw: 4040
RAM lw, RAM sw: 4127
GP0 sw: 2495
GP0 sw, sw: 3103
SPU voice 0 sh: 2495
CDROM index sb: 2491
scratchpad sw: 2495
RAM sw, GP0 lw: 3626
Done.