===== 03 IED I STAT EDGES | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000480
DICR force on: I_STAT.3 1, DICR 80008000
Ack I_STAT.3 with force still on: 0
Force written 1 again: 0
Force off: 0
Force on again: 1
GP0 1Fh: I_STAT.1 1 GPUSTAT.24 1
Ack I_STAT.1, GP0 1Fh again with GPUSTAT.24 set: I_STAT.1 0
GP1 02h: GPUSTAT.24 0, I_STAT.1 0
GP0 1Fh after GP1 02h: I_STAT.1 1
Timer 0 target 99 repeat pulse: I_STAT.4 set 990 times in 100000 cycles
Timer 0 target 99 repeat toggle: I_STAT.4 set 495 times in 100000 cycles
Toggle mode, bit 10 of 16 mode reads: 0 0 0 1 1 0 0 0 1 1 0 0 0 1 1 0
Pulse mode, bit 10 of 16 mode reads: 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
One-shot target 99, after acking the first: I_STAT.4 0, mode 0C18
One-shot, target and FFFFh on, counter FFF0h: I_STAT.4 1 mode 1C30
  ... then 120000 cycles on (past target 30000): I_STAT.4 0
Done.