Format of status buffer for Intel Connection CoProcessor:
Offset Size Description )
00h BYTE Connection CoProcessor connection status flags (see #03057)
01h BYTE number of kilobytes of free buffer space
02h BYTE page buffer status
bit 7: Connection CoProcessor has documents to send
bits 6-0: number of pages in buffer
03h BYTE number of retries left for dialing number
04h BYTE page number to retransmit
05h BYTE communications status (see #03058)
06h BYTE baud rate (see #03055)
07h 3 BYTEs reserved
0Ah BYTE Connection CoProcessor hardware status (see #03059)
0Bh BYTE Connection CoProcessor switch states (see #03060)
0Ch BYTE communications flags (see #03061)
0Dh BYTE reserved
0Eh WORD error count (only valid while busy, reset when idle)
10h DWORD size of nonstandard format (NSF) file in bytes
14h BYTE 'A' if Connection CoProcessor board present
15h 9 BYTEs reserved
1Eh 21 BYTEs ASCIZ CCITT identification
33h 77 BYTEs reserved
Note: the Intel Connection CoProcessor and SatisFAXtion may be distinguished
by examining the byte at offset 14h