2 Jun
2023
2 Jun
'23
4:38 p.m.
On Jun 1, 2023, at 5:07 PM, Johnny Billquist
<bqt(a)softjar.se> wrote:
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Here is what is defined in RSX:
;
; SYSCAP System Capabilities
;
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; 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)
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 Berryman