On Jun 18, 2023, at 10:03 AM, Thomas DeBellis <tommytimesharing@gmail.com> wrote:Hey Mark,
Just getting to this a few days after the fact. I'm (slowly) packing up to move in July, so some of my side projects have had to take a 'back burner' as it were.
Those are some intriguing bits! Two quick questions:
- Was there a URL of a DAP specification that documents these? How did you happen across them?
- What OS's support them? I guess from Johnny's list that RSX doesn't currently do so. Perhaps only VMS, then?
--T_______________________________________________On 6/2/23 10:38 AM, Mark Berryman wrote:
Continuing from bit 63 appears to be: SEMANTICS. ; 64 Supports semantics attributes extention message. BINTIM ; 65 Supports Binary Time formats PACKETCHK ; 66 Supports Packet level checksum DDTM ; 67 Supports Digital Distributed Transaction Processing MSBRCW ; 68 Supports Sequential MSB Variable Length Record Control Word LENNAMBUF ; 69 Supports LENNAMBUF field in ACCESS message Mark BerrymanOn Jun 1, 2023, at 5:07 PM, Johnny Billquist <bqt@softjar.se> wrote:. . .Here is what is defined in RSX: ; ; SYSCAP System Capabilities ;. . .; 9 CP$BIO'B'= 001 ; 56 Block I/O Access modes *** V7.2 CP$BRO'B'= 002 ; 57 Switching between Record and Block Access CP$MFA'B'= 004 ; 58 Storage of main file attributes CP$BSZ'B'= 010 ; 59 Non-8-bit aligned data CP$SRF'B'= 020 ; 60 Stream Record Format as default ASCII text CP$IP1'B'= 040 ; 61 Indexed file Prologue structure Version I CP$IP2'B'= 100 ; 62 Indexed file Prologue structure Version II ; 10 CP$IP3'B'= 001 ; 63 Indexed file Prologue structure Version III ;CP$xx'B'= 002 ; 64 ;CP$xx'B'= 004 ; 65 ;CP$xx'B'= 010 ; 66 ;CP$xx'B'= 020 ; 67 ;CP$xx'B'= 040 ; 68 ;CP$xx'B'= 100 ; 69 ; 11 ;CP$xx'B'= 001 ; 70 ;CP$xx'B'= 002 ; 71 CP$XCP'B'= 004 ; 72 Extended SYSCAP field (RESERVED)
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