INT 21 - TopWare Network OS v5.10+ - GET SPOOLER PRINTING PRIORITY
AX = FFB0h
Return: AL = priority status (see #02533)
SeeAlso: AX=FFB1h
Bitfields for TopWare printer priority status:
Bit(s) Description (Table 02533)
2 LPT3 has high priority
1 LPT2 has high priority
0 LPT1 has high priority