===== 08 CAC CPU ICACHE | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 800154CE

cpu/instruction cache (code at 800262C0)
returns 1, run twice through KSEG0: 1 1
changed to 2, no flush: KSEG0 1
then KSEG1 2
then KSEG0 2
after FlushCache: KSEG0 2
changed to 3: KSEG1 first 2, then KSEG0 3
loop from KSEG0: 325 then 304 cycles
loop from KSEG1: 1848 then 1848 cycles
Done.