===== 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: 563935 566194 563913 566132 563917 566138 564102 566138 hblank ticks: 262 263 262 263 262 263 262 263 dot ticks: 89337 89693 89334 89685 89334 89686 89363 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: 564068 566165 563968 566113 563942 565998 564072 566168 hblank ticks: 262 263 262 263 262 263 262 263 dot ticks: 111632 112047 111612 112037 111607 112014 111633 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 565973 564127 565955 564126 565980 564102 565971 hblank ticks: 262 263 262 263 262 263 262 263 dot ticks: 127621 128048 127630 128044 127630 128050 127624 128048 GPUSTAT at IRQ0: 5649200f 5649000f 5649200f 5649000f 5649200f 5649000f 5649200f 5649000f Mode 512 wide 480 lines interlaced, GP1(08h)=26. cycles IRQ0 to IRQ0: 564102 566009 563968 566142 563974 566204 563922 566005 hblank ticks: 262 263 262 263 262 263 262 263 dot ticks: 178727 179331 178685 179373 178686 179393 178670 179329 GPUSTAT at IRQ0: 564c200f 564c000f 564c200f 564c000f 564c200f 564c000f 564c200f 564c000f Mode 640 wide 480 lines interlaced, GP1(08h)=27. cycles IRQ0 to IRQ0: 563951 566036 564002 566167 563991 566001 563960 566235 hblank ticks: 262 263 262 263 262 263 262 263 dot ticks: 223482 224304 223500 224357 223496 224292 223483 224385 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: 564085 566142 563944 565969 564108 565980 564093 566140 hblank ticks: 262 263 262 263 262 263 262 263 dot ticks: 111636 112042 111608 112008 111640 112010 111637 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 563823 566167 564012 566194 563939 566036 hblank ticks: 262 263 262 263 262 263 262 263 dot ticks: 223477 224373 223429 224358 223504 224368 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 564018 566194 563939 566036 hblank ticks: 262 263 262 263 262 263 262 263 dot ticks: 223478 224372 223425 224360 223506 224369 223475 224306 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 132931 133330 132926 133332 GPUSTAT at IRQ0: 565a200f 565a000f 565a200f 565a000f 565a200f 565a000f 565a200f 565a000f Done.