DOSSECT | Back to Index page |
Prolog Control Block Contents DOSSECT DSECT Storage Layout Cross Reference (Contains links to field and bit definitions) |
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DOSSECT Prolog | Top of page |
NAME : DOSCB DESCRIPTION: DOS Simulation Control Block DSECT : DOSSECT FUNCTION : DOSSECT simulates the CMS file control block (FCB) in the CMS/DOS environment. DOSSECT is called by the DOSCB macro. The DOS simulation control blocks are chained together. The DOSFIRST field in NUCON points to the first DOSCB in the chain, or if no chain exists, contains zero. |
DOSSECT Control Block Content | Top of page |
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DOSSECT Storage Layout | Top of page |
*** DOSSECT - DOS Simulation Control Block * * +---------------------------+---------------------------+ * 0 | DOSNEXT | DOSCBID | * +---------------------------+---------------------------+ * 8 | DOSDD | * +-------------------------------------------------------+ * 10 | DOSOP | * +-------------------------------------------------------+ * 18 | DOSDSNAM | * +-------------------------------------------------------+ * 20 | DOSDSTYP | * +-------------+-------------+---------------------------+ * 28 | DOSDSMD |/////////////| DOSBUFF | * +-------------+-------------+------+------+-------------+ * 30 | DOSBYTE |:FORM |DOSEPL|/////////////| * +---------------------------+------+------+-------------+ * 38 | DOSREAD | DOSITEM | * +---------------------------+------+------+-------------+ * 40 | DOSCOUT |DOSDEV|:TAPMD| DOSBLKSZ | * +---------------------------+------+------+-------------+ * 48 | DOSWORK | * +------+------+------+------+---------------------------+ * 50 |DOSSYS|DOSXXX|DOSEXT|:EXTCT| DOSOSFST | * +------+------+------+------+---------------------------+ * 58 | DOSOSDSN | DOSVOLTB | * +---------------------------+-------------+------+------+ * 60 | DOSEXTTB | DOSSENSE |:VOLNO|:EXTNO| * +---------------------------+-------------+------+------+ * 68 | DOSBUFSP | DOSUCNAM- | * +---------------------------+---------------------------+ * 70 | -(06C) | | * +---------------------------+ | * 78 | | * = DOSSAVE = * | +------+------+-------------+ * 88 | |:EXTCX|:TYPE |/////////////| * +---------------------------+------+------+-------------+ * 90 | DOSDTF | DOSF1AD | * +-------------+-------------+------+------+-------------+ * 98 | DOSCC | DOSHH |DOSR |:INIT2| DOSRTRYC | * +-------------+-------------+------+------+-------------+ * *** DOSSECT - DOS Simulation Control Block |
DOSSECT Cross Reference | Top of page |
Symbol Dspl Value -------------- ---- ----- DOSBLKSZ 0046 DOSBUFF 002C DOSBUFSP 0068 DOSBYTE 0030 DOSCBID 0004 DOSCC 0098 DOSCCHHR 0094 00000098 DOSCMS 0000 10 DOSCOUT 0040 DOSDD 0008 DOSDDCAT 0000 08 DOSDEV 0044 DOSDOS 0000 20 DOSDSK 0044 14 DOSDSMD 0028 DOSDSNAM 0018 DOSDSTYP 0020 DOSDTF 0090 DOSDUM 0044 00 DOSEND 00A0 DOSENSIZ 00A0 00000014 DOSEPL 0035 DOSEXT 0052 DOSEXTCT 0053 DOSEXTCX 008C DOSEXTNO 0067 DOSEXTTB 0060 DOSFORM 0034 DOSF1AD 0094 DOSHH 009A DOSINIT 0000 DOSINIT2 009D DOSITEM 003C DOSJCAT 0000 02 DOSNEXT 0000 DOSOP 0010 DOSOS 0000 40 DOSOSASN 009D 80 DOSOSCLR 009D 40 DOSOSDSN 0058 DOSOSFST 0054 DOSPERM 0000 04 DOSR 009C DOSREAD 0038 DOSRTRYC 009E DOSSAVE 0074 DOSSENSE 0064 DOSSYS 0050 DOSTAPID 0018 DOSTAPMD 0045 DOSTYPE 008D DOSUCAT 0000 01 DOSUCNAM 006C DOSVOLNO 0066 DOSVOLTB 005C DOSWORK 0048 DOSXXX 0051 DOSYSXXX 0050 |
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