Reserved Memory relative to the MCP Data Area

Each task (other than the kernel task, task #1) has the following areas of its MCP data area (Environment #0, Memory Area #0) reserved for the purposes indicated.

Relative
Memory Address
Purpose
00-39 Indirect Field Length
00-07 Undefined
08-15 Index Register One (IX1)
16-23 Index Register Two (IX2)
24-31 Index Register Three (IX3)
38-39 Result Storage for SDE, SDU,SZE,SZU
40-45 Stack Pointer
46-47 Breakpoint Mask
48-49 Edit Table Entry #0
50-51 Edit Table Entry #1
52-53 Edit Table Entry #2
54-55 Edit Table Entry #3
56-57 Edit Table Entry #4
58-59 Edit Table Entry #5
60-61 Edit Table Entry #6
62-63 Edit Table Entry #7
64-65 Trap Enable (FF)
66-71 Trap Address
72-81 Result Descriptor (R/D) Storage Area
82-86 Reserved
87-92 Hypercall Function Table Pointer
93 Reserved
94-99 Hypercall Function Table Limit
100-113 Reserved
114-133 BCT 0114 Function Entry
134-153 BCT 0134 Function Entry
154-173 BCT 0154 Function Entry
174-193 BCT 0174 Function Entry
194-213 BCT 0194 Function Entry
214-233 BCT 0214 Function Entry
234-253 BCT 0234 Function Entry
254-273 BCT 0254 Function Entry
274-193 BCT 0274 Function Entry
294-313 BCT 0294 Function Entry
314-333 BCT 0314 Function Entry
334-353 BCT 0334 Function Entry
354-373 BCT 0354 Function Entry
374-393 BCT 0374 Function Entry
394-413 BCT 0394 Function Entry
414-433 BCT 0414 Function Entry
434-453 BCT 0134 Function Entry
454-473 BCT 0454 Function Entry
474-493 BCT 0474 Function Entry
494-513 BCT 0494 Function Entry
514-533 BCT 0514 Function Entry
534-553 BCT 0534 Function Entry
554-573 BCT 0554 Function Entry
574-593 BCT 0574 Function Entry
594-613 BCT 0594 Function Entry
614-633 BCT 0614 Function Entry
634-653 BCT 0634 Function Entry
654-673 BCT 0654 Function Entry
674-693 BCT 0674 Function Entry
694-713 BCT 0694 Function Entry
714-733 BCT 0714 Function Entry
734-753 BCT 0734 Function Entry
754-773 BCT 0754 Function Entry
774-793 BCT 0774 Function Entry
794-813 BCT 0794 Function Entry
814-833 BCT 0814 Function Entry
834-853 BCT 0834 Function Entry
854-873 BCT 0854 Function Entry
874-893 BCT 0874 Function Entry
894-913 BCT 0894 Function Entry
914-933 BCT 0914 Function Entry
934-953 BCT 0934 Function Entry
954-973 BCT 0954 Function Entry
974-993 BCT 0974 Function Entry
994-1013 BCT 0994 Function Entry
processor_state/mcp_data_area.txt · Last modified: 2008/12/17 15:47 by scott
 
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