Talk:SINTRAN III/CAMAC communication

Monitor Calls

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The following four monitor calls are implemented in SINTRAN III in connection with CAMAC.

MON 147                   CAMAC
T = data if write         Operates the CAMAC (executes NAF)
A = NAF
  (bit 0-4 = function)
  (bit 5-8 = subaddress)
  (bit 9-13 = station)
D = crate no. in bit positions 6-9
Return:
T = data if read
X = status

MON 150                   GL
A = -1 read last ident    Reads the GL register or the last CAMAC ident number
A <> -1 read GL register
D = crate no. in bit position 6-9
Return:
A = last ident if A = -1 on entry
A = GL reg. if A <> -1 on entry

MON 153                   IOXN
A = data if write         Executes a signle IOX instruction
D = IOX code (2000 octal < D < 4000 octal)
Return:
A = data if read

MON 154                   ASSIG
T = graded LAM            Assigns a graded LAM in the CAMAC ident table to a logical number in the logical number table
A = logical unit no.
  (A = 0 is used for high
   priority on level 13)
D = crate no.
Return:
A = -1 means wrong parameter

References