===== 02 BKL BACKWARD BRANCH | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000080

loops with the counter written at different places (RAM lw each turn):
lw, nop, addiu, bnez, nop: 973
lw, addiu, nop, nop, bnez, nop: 960
addiu, lw, nop, nop, bnez, nop: 971
lw, nop, addiu, bne $0, nop: 963
lw, nop, addiu, bgtz, nop: 953
BIOS lw, nop, addiu, bnez, nop: 2924
BIOS lw, addiu, nop, nop, bnez, nop: 2939
Done.