Int 21 Fn FFB0  - Topware Network OS V5.10+ - Get Spooler Printing Priori  [N]

   AX = FFB0h

Return: AL = priority status (see below)

See Also: AX=FFB1h

Bitfields for printer priority status:
 bit 0 LPT1 has high priority
 bit 1 LPT2 has high priority
 bit 2 LPT3 has high priority