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Digital-Research-Source-Code/CPM OPERATING SYSTEMS/CPM 86/CONCURRENT/CCPM-86 3.1 SOURCE/D3/VCCB.LIT
Sepp J Morris 31738079c4 Upload
Digital Research
2020-11-06 18:50:37 +01:00

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/* +---------+---------+---------+---------+
00 | attach | queue |
+---------+---------+---------+---------+
04 | flag | startcol| column | nchar |
+---------+---------+---------+---------+
08 | mimic | msource | pc | vc |
+---------+---------+---------+---------+
0C | btmp | resrvd | state |
+---------+---------+---------+---------+
10 | maxbufsiz | vinq |
+---------+---------+---------+---------+
14 | voutq | vcmxq |
+---------+---------+---------+---------+
18 | qpbflgs | qpbfill | qpbqaddr |
+---------+---------+---------+---------+
1C | qpbnmsgs | qpbbuffptr |
+---------+---------+---------+---------+
20 | qbuff | cosleep |
+---------+---------+---------+---------+
24 | usleep | vsleep |
+---------+---------+---------+---------+
28 | ... reserved ... |
+---------+---------+---------+---------+
*/
dcl ccb$structure lit 'structure (attach address, queue address,
flag byte, startcol byte, column byte, nchar byte, mimic byte, msource byte,
ccb$tail1';
dcl ccb$tail1 lit
'pc byte, vc byte, btmp byte, reservd byte, state word, maxbufsiz word,
ccb$tail2';
dcl ccb$tail2 lit
'vinq address, voutq address, vcmxq address,
qpbflags byte, qpbresrvd byte, qpbqaddr address,
qpbnmsgs address, qpbbuffptr address, qbuff address, cosleep word,
usleep word, vsleep word, link word, r2 word)';
declare /* flag values */
cf$listcp lit '001h', /* control P toggle */
cf$compc lit '002h', /* suppress output */
cf$switchs lit '004h', /* XIOS supports switch screening */
cf$conout lit '008h', /* XIOS console output ownership */
cf$vout lit '010h', /* process writing to VOUTQ */
cf$bufp lit '020h'; /* toggle to control printer echo */
/* on control P when background */
/* and buffered */
/* values of state byte */
/* conout goes to XIOS */
/* state word flags */
dcl
csm$buffered lit '0001h',
csm$background lit '0002h',
csm$purging lit '0004h',
csm$noswitch lit '0008h',
csm$suspend lit '0010h',
csm$abort lit '0020h',
csm$filefull lit '0040h',
csm$ctrlS lit '0080h',
csm$ctrlO lit '0100h',
csm$ctrlP lit '0200h';
dcl x$init$offset lit '0Ch',
x$init$pointer pointer,
x$init$ptr structure (offset word, segment word) at (@x$init$pointer),
x$init based x$init$pointer structure
(tick byte, ticks$sec byte, door byte, resrvd1 (2) byte,
nvcns byte, nccb byte, nlst byte, ccb word, lcb word);
dcl lcb$structure lit 'structure (attach address, queue address,
flag byte, startcol byte, column byte, nchar byte,
mimic byte, msource byte)';