===== 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: 564109 566019 563915 566140 564100 565975 564106 565952
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 89364 89666 89334 89686 89363 89661 89364 89656
 GPUSTAT at IRQ0: 5648200f 5648000f 5648200f 5648000f 5648200f 5648000f 5648200f 5648000f
Mode 320 wide 480 lines interlaced, GP1(08h)=25.
 cycles IRQ0 to IRQ0: 564056 566161 563940 566115 563951 566167 563891 566180
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 111630 112048 111605 112037 111609 112048 111597 112050
 GPUSTAT at IRQ0: 564a200f 564a000f 564a200f 564a000f 564a200f 564a000f 564a200f 564a000f
Mode 368 wide 480 lines interlaced, GP1(08h)=64.
 cycles IRQ0 to IRQ0: 563900 566163 563935 566140 563941 566163 563913 566170
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 127579 128091 127587 128086 127588 128091 127582 128092
 GPUSTAT at IRQ0: 5649200f 5649000f 5649200f 5649000f 5649200f 5649000f 5649200f 5649000f
Mode 512 wide 480 lines interlaced, GP1(08h)=26.
 cycles IRQ0 to IRQ0: 563921 566190 563968 565952 563961 566203 563927 566197
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 178669 179389 178684 179313 178683 179392 178672 179390
 GPUSTAT at IRQ0: 564c200f 564c000f 564c200f 564c000f 564c200f 564c000f 564c200f 564c000f
Mode 640 wide 480 lines interlaced, GP1(08h)=27.
 cycles IRQ0 to IRQ0: 564103 566033 563988 566185 563815 566203 563944 566050
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223540 224305 223494 224365 223426 224372 223478 224311
 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: 563900 566148 563954 566154 563923 566169 563913 566138
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 111600 112043 111609 112046 111603 112048 111601 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: 563947 566016 564008 566175 564008 566005 563939 566221
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223478 224298 223503 224361 223502 224294 223475 224379
 GPUSTAT at IRQ0: 5646200f 5646000f 5646200f 5646000f 5646200f 5646000f 5646200f 5646000f
Mode 640 wide 480 interlaced, display start Y 1.
 cycles IRQ0 to IRQ0: 564106 566023 564004 566169 563822 566186 563954 566050
 hblank ticks: 262 263 262 263 262 263 262 263
 dot ticks: 223541 224301 223501 224359 223429 224365 223481 224312
 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: 669986 672438 670009 672226 670218 672228 670188 672223
 hblank ticks: 312 313 312 313 312 313 312 313
 dot ticks: 132886 133373 132890 133330 132932 133331 132926 133330
 GPUSTAT at IRQ0: 565a200f 565a000f 565a200f 565a000f 565a200f 565a000f 565a200f 565a000f
Done.