ZCOM Tables and Data Structures
Logical Terminal Tables
Table | Logical Terminal Table (Reserved Area) (Continued) | ||||
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Field Name |
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LTZMXP |
| ZCOM address of multiplexing program |
| struct | 6 |
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LTZPRCVR |
| ZCOM addr. of indirect primary receiver |
| struct | 6 |
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SPARE1 |
| Reserved, not used |
| int | 4 |
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LTZSHRCVRS |
| Pointer to list of indirect shared receivers |
| pointer | 8 |
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LTHLDQ |
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| struct | 56 | |
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LTHDQN |
| Data holding queues (1~4) |
| struct [4] | 4*56 |
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| This is followed by LTUSER - the user maintainable area - which | ||||
| consists of the fields shown in Table |
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Table | Logical Terminal Table (User Maintainable Area) |
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Field Name |
| Field Description | Field Type | Size | |
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LTADDR | Logical terminal address | uns.short[10] | 10 | ||
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LTSTAT | Logical status | uns.short | 2 | ||
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LTCWCT | Control write counter | uns.int | 4 | ||
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LTTXCT | Transmit counter | uns.int | 4 | ||
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LTRXCT | Receive counter | uns.int | 4 | ||
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LTERCT | Error counter | uns.int | 4 | ||
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LTAPNO | System application number | uns.short | 2 | ||
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LTINST | Terminal institution number | uns.short | 2 | ||
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LTBRCH | Terminal branch number | uns.short | 2 | ||
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LTWORK | Terminal workstation number | uns.short | 2 | ||
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LTAREA | Terminal area number | uns.short | 2 | ||
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LTNAME | Terminal name (30 bytes) | char [30] | 30 | ||
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Chapter 3 | 63 |