Int E0/CL=B8h

lup.gif ldown.gif Interrups Categories Contents

rbline.gif

REAL/32 - DEV_MAP - GET/SET SERIAL/PARALLEL PORT MAPPINGS

CL = B8h
DS:DX -> Device Map Parameter Block (DEVPB) (see #04059)

Return:
Nothing??? may destroy SI,DI,DS

Format of REAL/32 Device Map Parameter Block (DEVPB): Offset Size Description (Table 04059) 00h WORD direction (00h = get current mapping, 01h = set new mapping) 02h 4 BYTEs physical device IDs which map into LPT1 - LPT4 06h 4 BYTEs physical device IDs which map into COM1 - COM4

Note: LPT4 and COM3/COM4 are reserved on early versions of Multiuser DOS, but are supported from at least CCI Multiuser DOS v7.22 onward

Category: Other Operating Systems - Int E0h - R

rbline.gif

lup.gif ldown.gif Interrups Categories Contents