Difference between revisions of "List of SITS system calls"
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− | [[SITS]] system calls | + | [[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. |
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+ | System call arguments go on the stack. | ||
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Revision as of 10:49, 5 October 2022
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.
Number | Name | Function | Arguments | Return values |
---|---|---|---|---|
0 | .NOOP | None | None | None |
1 | .FORK | Create new process | Entry point | None |
2 | .POOFF | Kill self | None | None |
3 | .SLEEP | Sleep | Long word: positive number 60th seconds, or negative time to continue | None |
4 | .SINK | |||
5 | .FLOAT | |||
6 | .INVOK | |||
7 | .QULK | |||
10 | .QUNLK | |||
11 | .TTGIV | |||
12 | .TTGET | |||
13 | .WRDI | |||
14 | .WRDO | |||
15 | .BYTI | |||
16 | .BYTO | |||
17 | .BLKI | |||
20 | .BLKO | |||
21 | .MAP | |||
22 | .ALLOC | |||
23 | .CRUSR | |||
24 | .RDMAP | |||
25 | .FONT | |||
26 | .SSTAT | |||
27 | .VIDSW | |||
30 | .RUG | |||
31 | .GERRW | |||
32 | .TIME | |||
33 | .SYJB | |||
34 | .GETID | |||
35 | .MFPI | |||
36 | .OSPAC |