===== 01 QDT F21 QUAD DRAW TIME | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000480
The BIOS's flat quad alone through the GP0 port: cycles from its first word to the GPU
idle (FIFO empty when bit 28 first set). Twice each. B = E1h 20Ah, draw area 640x480.
B 640x480 at 0,0: 167831 (FIFO empty 83977) 167814 (FIFO empty 83948)
dither off (E1h 00Ah) 640x480: 164230 (FIFO empty 82488) 167732 (FIFO empty 83888)
E1h 000h 640x480: 167813 (FIFO empty 83945) 164271 (FIFO empty 83911)
B 640x240 at 0,0 (on screen): 84072 (FIFO empty 42138) 84102 (FIFO empty 42094)
B 640x240 at 0,240 (off screen): 84078 (FIFO empty 42054) 84102 (FIFO empty 42124)
B 320x480 at 0,0: 84516 (FIFO empty 42522) 82650 (FIFO empty 40196)
B 320x480 at 320,0: 84928 (FIFO empty 42498) 84982 (FIFO empty 42544)
B 320x240 at 0,0: 42621 (FIFO empty 21331) 42536 (FIFO empty 21358)
B 640x120 at 0,0: 42226 (FIFO empty 21146) 42158 (FIFO empty 21126)
B 160x480 at 0,0: 42552 (FIFO empty 21718) 41703 (FIFO empty 20303)
B 512x480 at 0,0: 134669 (FIFO empty 67381) 134631 (FIFO empty 67377)
B 64x480 at 0,0: 18820 (FIFO empty 9454) 18810 (FIFO empty 9430)
B 640x480 at 0,0 again: 164711 (FIFO empty 83943) 167786 (FIFO empty 83956)
draw area 1024x512, 640x480 at 0,0: 167834 (FIFO empty 83990) 164178 (FIFO empty 80394)
draw area 1024x512, 640x480 at 384,0: 125 (FIFO empty 125) 101 (FIFO empty 101)
draw area 640x240, 640x480 at 0,0 (half clipped): 84396 (FIFO empty 62700) 84370 (FIFO empty 62688)
display off, B 640x480: 166856 (FIFO empty 83904) 165906 (FIFO empty 82030)
B 640x480: 167858, hblanks 78
B 640x480: 164170, hblanks 77
Done.