|DD_EQUIPMENT||0181||Ask what type of drive|
Ask what type of drive this is (i.e. single/double track, single/double sided).
Track information can only be determined once a disk has been seen and had its type identified during logging in.
Side information can only be detected after a double sided disk has been seen and has its type identified during logging in.
|C||Unit 0 or 1|
|IX||Address of XDPB|
- Carry true
A = Side/track information
bits 0…1 side information: 0 = unknown, 1 = single sided, 2 = double sided
bits 2…3 track information: 0 = unknown, 1 = single track, 2 = double track
- F BC DE HL IX corrupt, all other registers preserved.