===== 04 DSP CD SPEED AND SPIN | BIOS 19951204 System ROM Version 3.0 11/18/96 A
BadVaddr as the group starts: 00000480
Speed change, Stop then MotorOn, and Init, each timed.
Switches (Test 21h, bit1 door open, bit0 head at POS0): int3 00 @39745. Getstat: int3 02 @29871. Mode 20. HINTMSK was 1F.
Single to double speed, then ReadN at once: INT3 int3 02 @32714, first INT1 int1 22 @5850138
Double to single speed, then ReadN at once: INT3 int3 02 @23019, first INT1 int1 22 @28432907
Stop: int3 02 @54438 int2 00 @12902006
MotorOn after it: int3 00 @51818 int2 02 @63162554
Init: int3 02 @83721 int2 02 @4459785
Done.