ZCOM Tables and Data Structures
Physical Terminal Tables
Table | Physical Terminal Tables (System Area) (Continued) | |||
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PTTXLA |
| Pointer to next PTT on high priority | pointer | 8 |
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PTTXQA |
| High priority transmit buffer queue | struct | 56 |
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PTTXLB |
| Pointer to next PTT on low priority | pointer | 8 |
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PTTXQB |
| Low priority transmit buffer queue | struct | 56 |
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PTTXQC |
| Unacknowledged transmit buffer | struct | 56 |
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PENDG_TXREQ |
| Next request for $DATA | struct | 56 |
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PTPZLK |
| ZLU of next PTT on this port | uns.short | 2 |
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PTDRST |
| Driver terminal status | uns.short | 2 |
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PTFWST |
| Firmware terminal status | uns.short | 2 |
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PTTYPE |
| Physical type of terminal | uns.short | 2 |
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SCFG_LEN |
| Length of special configuration | uns.short | 2 |
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SPEC_CFG |
| Special protocol configuration | uns.char[6] | 6 |
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Table | Physical Terminal Tables (User Maintainable Area | ||
| PTUSER) |
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Field Name | Field Description | Field Type | Size (Bytes) |
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PTPOLL | Terminal poll address | uns.short | 2 |
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PTSLCT | Terminal select address | uns.short | 2 |
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PTOPTN | Protocol options | uns.short | 2 |
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PTVCNO | X.25 logical channel number | uns.short | 2 |
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Chapter 3 | 69 |