===== 01 DSS F25 HBLANK SPAN READ BACK TO BACK | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000480
Timer0 on the system clock read back to back, 640x240 (row 64):
sync 2 (counts in hblank only): 18832 cycles for 2048 reads; max 536 (3 reads) min 0; from read 221: 460 469 478 491 500 509 518 527 536 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
sync 2 again: 18754 cycles for 2048 reads; max 537 (1 reads) min 0; from read 470: 465 474 483 492 501 510 519 528 537 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
sync 0 (paused in hblank): 18746 cycles for 2048 reads; max 13884 (1 reads) min 13; from read 2039: 13812 13821 13830 13839 13848 13857 13866 13875 13884
free: 18754 cycles for 2048 reads; max 18741 (1 reads) min 13; from read 2039: 18665 18674 18683 18692 18701 18710 18719 18728 18741
Done.