4-2SectionWords Allocated in CIO Area
46
Unit number Allocated words
0 CIO 2000 to CIO 2009
1 CIO 2010 to CIO 2019
2 CIO 2020 to CIO 2029
3 CIO 2030 to CIO 2039
4 CIO 2040 to CIO 2049
5 CIO 2050 to CIO 2059
6 CIO 2060 to CIO 2069
7 CIO 2070 to CIO 2079
8 CIO 2080 to CIO 2089
9 CIO 2090 to CIO 2099
10 CIO 2100 to CIO 2109
... ...
n CIO 2000 + (n×10) to CIO 2000 + (n×10) + 9
... ...
95 CIO 2950 to CIO 2959
Data in the 10 allocated words is exchanged at the CPU Unit’s I/O refresh (on the
CPU Unit’s timing). The data exchanged consists of the following 2 types:
1, 2, 3... 1. Words to which special functions have been allocated (n bit 00, n+5)
2. General-purpose words to which functions have not been allocated (n bits
08 to 15, n+1 to n+4, n+6 to n+9)
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