===== 06 SIR GPU IRQ1 FLAG | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 1F801DAA
GP0(1Fh) IRQ1 (gpu.txt:711-713): GPUSTAT.24 and I_STAT.1 after it, after GP1(01h),
GP1(02h) with parameters, and GP0(1Fh) queued behind a 1008x248 fill. Interrupts
off; I_STAT.1 acknowledged after each row.
GPUSTAT 5606200F at start
GP0(1Fh): GPUSTAT D706200F, I_STAT.1 1
then GP1(01h): GPUSTAT D706200F
then GP1(02h)=FFFFFF: GPUSTAT D606200F, I_STAT.1 1
GP0(1Fh) FFFFFFh: GPUSTAT D706200F, I_STAT.1 1
GP0(1Fh) again without GP1(02h): I_STAT.1 0 (edge only?)
GP0(1Fh), GP1(02h), acknowledged, GP0(1Fh): GPUSTAT D706200F, I_STAT.1 1
Fill 1008x248 then GP0(1Fh): bit 24 at 19255 cycles, GPU idle at 19255
Waits that ran out: 0
Done.