DD_READ_ID

Read a sector identifier
Function AddressDescription
DD_READ_ID 016FRead a sector identifier

Synopsys

Read a sector identifier

Entry Parameters

Register Content
C Unit 0 or 1
D Logical track, 0 base
IX Address of XDPB

Exit Parameters

If OK:
Carry true
A = sector number from identifier
Otherwise:
Carry false
A = Error code
Always:
HL = Address of result buffer in page 7
BC DE IX corrupt, all other registers preserved.
Last modified November 24, 2021: Low level operations (11836cf)