===== 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: 564120 566009 563913 566132 564102 566138 563917 566138
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 89366 89664 89334 89685 89363 89687 89334 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: 563883 566165 563954 566116 563935 566168 563887 566174
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 111596 112047 111609 112038 111605 112048 111598 112047
 GPUSTAT at IRQ0: 564a200f 564a000f 564a200f 564a000f 564a200f 564a000f 564a200f 564a000f
Mode 368 wide 480 lines interlaced, GP1(08h)=64.
 cycles IRQ0 to IRQ0: 564085 566158 563952 566140 563941 565980 564102 565988
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 127621 128089 127591 128086 127588 128050 127625 128051
 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 566222 563982 566150 563792 566208 563925 566201
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 178675 179398 178689 179376 178629 179394 178671 179392
 GPUSTAT at IRQ0: 564c200f 564c000f 564c200f 564c000f 564c200f 564c000f 564c200f 564c000f
Mode 640 wide 480 lines interlaced, GP1(08h)=27.
 cycles IRQ0 to IRQ0: 563928 566193 563827 566165 564004 566192 563961 566043
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223471 224369 223430 224358 223501 224368 223484 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 566136 563935 566151 563921 566184 563914 566140
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 111598 112041 111606 112044 111603 112051 111602 112042
 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: 563945 566205 564002 565982 564008 566204 563939 566036
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223477 224373 223501 224284 223503 224373 223475 224306
 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 566205 563812 566172 564008 566204 563939 566036
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223478 224373 223425 224360 223502 224373 223475 224307
 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: 670169 672238 670023 672229 670215 672223 670190 672233
 hblank ticks: 312 313 312 313 312 313 312 313
 dot ticks: 132922 133332 132894 133330 132932 133329 132927 133331
 GPUSTAT at IRQ0: 565a200f 565a000f 565a200f 565a000f 565a200f 565a000f 565a200f 565a000f
Done.