INT 17 - NorthNet Jetstream API - PRINT DATA BUFFER
AH = F1h
CX = data buffer length
DX = printer port (0-3)
DS:SI -> data buffer
Return: AX = status
0000h printer not ready (see also AH=02h)
other printing started
SeeAlso: AH=F2h,AH=F3h,AH=F5h

See also: 1700

17F1 - NorthNet Jetstream API - PRINT DATA BUFFER