===== 12 GTZ GTE SCREEN, LWC2 | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000580

GTE screen and depth commands, and lwc2 before a command (old 00010002, new 00030004):
NCLIP, SXY0 at once (MAC0): cold FFFFFF50, cached FFFFFF50
NCLIP, SXY0 1 nop before: cold FFFFFF70, cached FFFFFF50
NCLIP, SXY2 at once (MAC0): cold FFFFFFC0, cached FFFFFFC0
AVSZ3, SZ1 at once (OTZ): cold 00000202, cached 00000202
AVSZ3, SZ1 1 nop before: cold 00000204, cached 00000202
AVSZ4, SZ0 at once (OTZ): cold 00000304, cached 00000304
AVSZ4, SZ0 1 nop before: cold 00000304, cached 00000304
lwc2 VZ0 then RTPS at once (MAC3): cold 00000004, cached 00000004
lwc2 VZ0, 1 nop, RTPS: cold 00000004, cached 00000004
lwc2 VZ0, 2 nops, RTPS: cold 00000004, cached 00000004
lwc2 IR0 then GPF at once (MAC1): cold 00000002, cached 00000002
lwc2 IR0, 1 nop, GPF: cold 00000002, cached 00000002
lwc2 IR0, 2 nops, GPF: cold 00000004, cached 00000004
lwc2 RGBC then DPCS at once (MAC1): cold 00000020, cached 00000020
lwc2 RGBC, 1 nop, DPCS: cold 00000040, cached 00000040
Done.