List of SITS system calls

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.

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