===== 02 GFI FRAME PERIOD 480I | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000480
Frame period with GP1(08h) interlace on. 262.5 lines a field is psx-spx's figure.
Mode 256 wide 480 lines interlaced, GP1(08h)=24.
 cycles IRQ0 to IRQ0: 564106 565998 564096 566137 563915 566147 563908 566144
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 89364 89662 89363 89686 89334 89687 89333 89686
 GPUSTAT at IRQ0: 5648200f 5648000f 5648200f 5648000f 5648200f 5648000f 5648200f 5648000f
Mode 320 wide 480 lines interlaced, GP1(08h)=25.
 cycles IRQ0 to IRQ0: 563886 566165 563940 566114 563941 566165 564065 566158
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 111596 112047 111606 112037 111607 112047 111632 112045
 GPUSTAT at IRQ0: 564a200f 564a000f 564a200f 564a000f 564a200f 564a000f 564a200f 564a000f
Mode 368 wide 480 lines interlaced, GP1(08h)=64.
 cycles IRQ0 to IRQ0: 563903 566165 563940 566142 563940 566166 563917 566173
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 127580 128091 127588 128086 127588 128091 127583 128094
 GPUSTAT at IRQ0: 5649200f 5649000f 5649200f 5649000f 5649200f 5649000f 5649200f 5649000f
Mode 512 wide 480 lines interlaced, GP1(08h)=26.
 cycles IRQ0 to IRQ0: 563936 566033 563978 566138 563997 566208 563925 566016
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 178674 179339 178687 179372 178694 179394 178671 179333
 GPUSTAT at IRQ0: 564c200f 564c000f 564c200f 564c000f 564c200f 564c000f 564c200f 564c000f
Mode 640 wide 480 lines interlaced, GP1(08h)=27.
 cycles IRQ0 to IRQ0: 563938 566201 563826 566168 563995 566190 563952 566039
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223474 224372 223430 224358 223497 224367 223480 224308
 GPUSTAT at IRQ0: 564e200f 564e000f 564e200f 564e000f 564e200f 564e000f 564e200f 564e000f
Mode 320 wide, interlace on, vertical resolution bit clear, GP1(08h)=21.
 cycles IRQ0 to IRQ0: 563894 566137 563950 566142 563913 566165 564093 565955
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 111598 112041 111609 112043 111601 112047 111637 112005
 GPUSTAT at IRQ0: 5642200f 5642000f 5642200f 5642000f 5642200f 5642000f 5642200f 5642000f
Mode 640 wide, interlace on, vertical resolution bit clear, GP1(08h)=23.
 cycles IRQ0 to IRQ0: 563921 566212 563822 566162 564012 566022 563952 566231
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223467 224376 223429 224356 223504 224300 223480 224383
 GPUSTAT at IRQ0: 5646200f 5646000f 5646200f 5646000f 5646200f 5646000f 5646200f 5646000f
Mode 640 wide 480 interlaced, display start Y 1.
 cycles IRQ0 to IRQ0: 563945 566016 563994 566179 564008 566016 563952 566238
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223478 224298 223496 224363 223502 224298 223481 224386
 GPUSTAT at IRQ0: d64e200f d64e000f d64e200f d64e000f d64e200f d64e000f d64e200f d64e000f
Mode 320 wide 480 interlaced, PAL bit set, GP1(08h)=2D.
 cycles IRQ0 to IRQ0: 670174 672228 670188 672223 670033 672228 670188 672223
 hblank ticks: 312 313 312 313 312 313 312 313
 dot ticks: 132923 133331 132926 133330 132894 133331 132926 133330
 GPUSTAT at IRQ0: 565a200f 565a000f 565a200f 565a000f 565a200f 565a000f 565a200f 565a000f
Done.