List of SITS system calls - Revision history

Jnc: +Cats

2023-03-26T21:45:03Z

+Cats

2022-10-07T13:07:30Z

Yes, that's what it does.

2022-10-07T05:13:54Z

.INVOK function.

2022-10-05T11:54:40Z

Update .TIME

2022-10-05T11:52:32Z

Add more.

2022-10-05T11:50:06Z

Add more.

2022-10-05T11:01:30Z

Typo.

2022-10-05T11:01:07Z

Add more.

2022-10-05T09:54:41Z

Add more.

2022-10-05T09:49:59Z

EMT or TRAP.

← Older revision		Revision as of 21:45, 26 March 2023
Line 243:		Line 243:
	\| C-list		\| C-list
	\|}		\|}
		+
		+	[[Category: PDP-11 Operating Systems]]
		+	[[Category: Non-DEC Operating Systems]]

@@ Line 204: / Line 204: @@
 | 35
 | .MFPI
-| (?)
+| Read word from instruction address space
 | colspan="4" | Address
 | Data

@@ Line 6: / Line 6: @@
 ! Number
 ! Name
-! Function
+! Description
 ! colspan="4" | Inputs
 ! Outputs
@@ Line 213: / Line 213: @@
 | colspan="4" |
 | -
 |}

@@ Line 187: / Line 187: @@
 | .TIME
 | Get or set time
-| colspan="4" |
+| colspan="4" | Address of six words: seconds, minutes, hours, days, months, years
 | -
 |-

@@ Line 199: / Line 199: @@
 | .GETID
 | Get process id
-| colspan="4" |
+| colspan="4" | -
-| -
+| Id
 |-
 | 35
@@ Line 206: / Line 206: @@
 | (?)
 | colspan="4" | Address
-| -
+| Data
 |-
 | 36

← Older revision		Revision as of 11:01, 5 October 2022
Line 1:		Line 1:
−	[[SITS]] system calls were done using EMT in ~~loder~~ versions, and TRAP in newer. The system call number makes up the lower 7 bits. Bit 200 can be set to have the call fault on error, in which case a $ replaces the . in the symbolic name.	+	[[SITS]] system calls were done using EMT in older versions, and TRAP in newer. The system call number makes up the lower 7 bits. Bit 200 can be set to have the call fault on error, in which case a $ replaces the . in the symbolic name.

	System call arguments go on the stack. (C) indicates a capability.		System call arguments go on the stack. (C) indicates a capability.

@@ Line 37: / Line 37: @@
 | 4
 | .SINK
+| Disable floating point
+| None
+| None
 |-
 | 5
 | .FLOAT
+| Enable floating point
+| None
+| None
 |-
 | 6
 | .INVOK
+| Invoke capability
+| Capability and two more arguments
+|
 |-
 | 7
 | .QULK
+| Lock queue
+| Queue
+|
 |-
 | 10
 | .QUNLK
+| Unlock queue
+| Queue
+|
 |-
 | 11
 | .TTGIV
+| Give TTY away
+| Master sphere, and teletype
+|
 |-
 | 12
 | .TTGET
+| Get the TTY
+| Teletype
+|
 |-

← Older revision		Revision as of 09:49, 5 October 2022
Line 1:		Line 1:
−	[[SITS]] system calls ~~are~~ done using ~~TRAP or~~ EMT, ~~unclear which now~~. The system call number makes up the lower 7 bits. Bit 200 can be set to have the call fault on error.	+	[[SITS]] system calls were done using EMT in loder versions, and TRAP in newer. The system call number makes up the lower 7 bits. Bit 200 can be set to have the call fault on error, in which case a $ replaces the . in the symbolic name.
		+
		+	System call arguments go on the stack.

	{\| class="wikitable"		{\| class="wikitable"