INT E0 - ConcCP/MConcurrent CP/M by Digital Research, now DR Multiuser DOS,DR Multiuser DOS - "Q_MAKE" - CREATE MESSAGE QUEUE CL = 86h DS:DX -> queue descriptor (see #04042) Return: AX = status (0000h success, FFFFh failure) CX = error code (see #04021) Note: also supported by REAL/32 SeeAlso: INT E0/CL=87h Format of DR Multiuser DOS queue descriptor: Offset Size Description (Table 04042) 00h 2 WORDs internal use, initialize to zeros 04h WORD queue flags (see #04043) 06h 8 BYTEs queue name 0Eh WORD length of message 10h WORD number of messages 12h 4 WORDs internal use, initialize to zeros 1Ah WORD offset in system area of buffer for messages Bitfields for REAL/32 queue flags: Bit(s) Description (Table 04043) 0 mutual exclusion queue 1 can not be deleted 2 restricted to system processes 3 RSP message queue 4 reserved for internal use 5 RPL address queue 7-6 reserved for internal use 15-8 reserved for future use SeeAlso: #04042