===== 02 SEB GPU E1 TO E6 BITS | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 1F801DAA
E1h-E6h written with one bit set, bit 0 to 23. E1h and E6h are read from GPUSTAT
(bits 0-15 shown, then 11-12), E2h-E5h from GP1(10h) 2-5 with the latch at 0.
GPUSTAT 5606200F at start
E1h, GP1(09h)=0: GPUSTAT 0-15:
   0:2001  1:2002  2:2004  3:2008  4:2010  5:2020  6:2040  7:2080
   8:2100  9:2200 10:2400 11:2000 12:2000 13:2000 14:2000 15:2000
  16:2000 17:2000 18:2000 19:2000 20:2000 21:2000 22:2000 23:2000
E1h, GP1(09h)=1: GPUSTAT 0-15:
   0:2001  1:2002  2:2004  3:2008  4:2010  5:2020  6:2040  7:2080
   8:2100  9:2200 10:2400 11:A000 12:2000 13:2000 14:2000 15:2000
  16:2000 17:2000 18:2000 19:2000 20:2000 21:2000 22:2000 23:2000
E1h 800h with GP1(09h)=1, then GP1(09h)=0: GPUSTAT 5606A000; E1h 0 then 56062000
E6h: GPUSTAT 11-12:
   0:0001  1:0002  2:0000  3:0000  4:0000  5:0000  6:0000  7:0000
   8:0000  9:0000 10:0000 11:0000 12:0000 13:0000 14:0000 15:0000
  16:0000 17:0000 18:0000 19:0000 20:0000 21:0000 22:0000 23:0000
E2h: index 2:
   0:000001  1:000002  2:000004  3:000008  4:000010  5:000020  6:000040  7:000080
   8:000100  9:000200 10:000400 11:000800 12:001000 13:002000 14:004000 15:008000
  16:010000 17:020000 18:040000 19:080000 20:000000 21:000000 22:000000 23:000000
E3h: index 3:
   0:000001  1:000002  2:000004  3:000008  4:000010  5:000020  6:000040  7:000080
   8:000100  9:000200 10:000400 11:000800 12:001000 13:002000 14:004000 15:008000
  16:010000 17:020000 18:040000 19:080000 20:000000 21:000000 22:000000 23:000000
E4h: index 4:
   0:000001  1:000002  2:000004  3:000008  4:000010  5:000020  6:000040  7:000080
   8:000100  9:000200 10:000400 11:000800 12:001000 13:002000 14:004000 15:008000
  16:010000 17:020000 18:040000 19:080000 20:000000 21:000000 22:000000 23:000000
E5h: index 5:
   0:000001  1:000002  2:000004  3:000008  4:000010  5:000020  6:000040  7:000080
   8:000100  9:000200 10:000400 11:000800 12:001000 13:002000 14:004000 15:008000
  16:010000 17:020000 18:040000 19:080000 20:100000 21:200000 22:000000 23:000000
All 24 bits set, latch 0: index 2 000FFFFF 3 000FFFFF 4 000FFFFF 5 003FFFFF
E1h and E6h FFFFFFh: GPUSTAT 56063FFF
Waits that ran out: 0
Done.