===== 06 TTG F10 TIMER 00D8 | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000480
Timer 1 with target 0 in mode 00D8h (reset at target, IRQ at target, toggle, repeat):
I_STAT bit 5 and the mode as read, 0 to 3 times 1000 cycles after the mode write (row 37).
wait 0: I_STAT bit 5 1, mode 08D8
wait 1: I_STAT bit 5 0, mode 0CD8
wait 2: I_STAT bit 5 0, mode 0CD8
wait 3: I_STAT bit 5 0, mode 0CD8
Done.