ADTSECT | Back to Index page |
Prolog Control Block Contents ADTSECT DSECT Storage Layout Cross Reference (Contains links to field and bit definitions) |
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ADTSECT Prolog | Top of page |
NAME : ADTSECT DESCRIPTION: Active Disk Table DSECT : ADTSECT FUNCTION : ADTSECT describes the attributes of virtual disks (A-Z) accessed by a virtual machine by the ACCESS command. Space is allocated for the ADT when DMSNUC is assembled. In the ADT, certain fields are defined for use by both CMS and OS. For example, ADTHBCT field at displacement 1C (hexadecimal) into ADTSECT is also defined as OSADTVTA for use by OS simulation routines. ADTSECT is called by the ADT macro. |
ADTSECT Control Block Content | Top of page |
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ADTSECT Storage Layout | Top of page |
*** ADTSECT - Active Disk Table * * +------+------------------------------------------------+ * 0 |//////|////////////////////////////////////////////////| * +------+////////////////////////////////////////////////| * 8 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +------+------------------------------------------------+ * E0 |//////|////////////////////////////////////////////////| * +------+////////////////////////////////////////////////| * E8 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 1C0 * *** ADTSECT - Active Disk Table *** Overlay for ADTS+(ADTPTR-ADTDSECT) in ADTSECT * * +---------------------------+ * 0 |///////////////////////////| 4 * +---------------------------+ * *** Overlay for ADTS+(ADTPTR-ADTDSECT) in ADTSECT *** Overlay for ADTS+(ADTBWPTR-ADTDSECT) in ADTSECT * * +---------------------------+ * 0 ... 4 |///////////////////////////| * +---------------------------+ * 8 * *** Overlay for ADTS+(ADTBWPTR-ADTDSECT) in ADTSECT *** Overlay for ADTS+(ADTDTA-ADTDSECT) in ADTSECT * * +---------------------------+ * 8 |///////////////////////////| C * +---------------------------+ * *** Overlay for ADTS+(ADTDTA-ADTDSECT) in ADTSECT *** Overlay for ADTS+(ADTM-ADTDSECT) in ADTSECT * * +------+ * 40 ... 44 |//////| 45 * +------+ * *** Overlay for ADTS+(ADTM-ADTDSECT) in ADTSECT *** Overlay for ADTS+(ADTMX-ADTDSECT) in ADTSECT * * +------+ * 40 ... 45 |//////| 46 * +------+ * *** Overlay for ADTS+(ADTMX-ADTDSECT) in ADTSECT *** Overlay for ADTS+(ADTFLG1-ADTDSECT) in ADTSECT * * +------+ * 40 ... 46 |//////| 47 * +------+ * *** Overlay for ADTS+(ADTFLG1-ADTDSECT) in ADTSECT *** Overlay for ADTS+(ADTIDENT-ADTDSECT) in ADTSECT * * +---------------------------+ * 90 |///////////////////////////| 94 * +---------------------------+ * *** Overlay for ADTS+(ADTIDENT-ADTDSECT) in ADTSECT *** Overlay for ADTS+(ADTID-ADTDSECT) in ADTSECT * * +---------------------------+ * ... 94 |///////////////////////////| * +-------------+-------------+---------------------------+ * 98 |/////////////| 9A * +-------------+ * *** Overlay for ADTS+(ADTID-ADTDSECT) in ADTSECT *** Overlay for ADTS+(ADTVER-ADTDSECT) in ADTSECT * * +-------------+ * 98 ... 9A |/////////////| 9C * +-------------+ * *** Overlay for ADTS+(ADTVER-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTPTR-ADTDSECT) in ADTSECT * * +---------------------------+ * E0 |///////////////////////////| E4 * +---------------------------+ * *** Overlay for ADTY+(ADTPTR-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTBWPTR-ADTDSECT) in ADTSECT * * +---------------------------+ * E0 ... E4 |///////////////////////////| * +---------------------------+ * E8 * *** Overlay for ADTY+(ADTBWPTR-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTDTA-ADTDSECT) in ADTSECT * * +---------------------------+ * E8 |///////////////////////////| EC * +---------------------------+ * *** Overlay for ADTY+(ADTDTA-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTM-ADTDSECT) in ADTSECT * * +------+ * 120 ... 124 |//////| 125 * +------+ * *** Overlay for ADTY+(ADTM-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTMX-ADTDSECT) in ADTSECT * * +------+ * 120 ... 125 |//////| 126 * +------+ * *** Overlay for ADTY+(ADTMX-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTFLG1-ADTDSECT) in ADTSECT * * +------+ * 120 ... 126 |//////| 127 * +------+ * *** Overlay for ADTY+(ADTFLG1-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTIDENT-ADTDSECT) in ADTSECT * * +---------------------------+ * 170 |///////////////////////////| 174 * +---------------------------+ * *** Overlay for ADTY+(ADTIDENT-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTID-ADTDSECT) in ADTSECT * * +---------------------------+ * ... 174 |///////////////////////////| * +-------------+-------------+---------------------------+ * 178 |/////////////| 17A * +-------------+ * *** Overlay for ADTY+(ADTID-ADTDSECT) in ADTSECT *** Overlay for ADTY+(ADTVER-ADTDSECT) in ADTSECT * * +-------------+ * 178 ... 17A |/////////////| 17C * +-------------+ * *** Overlay for ADTY+(ADTVER-ADTDSECT) in ADTSECT |
ADTSECT Cross Reference | Top of page |
Symbol Dspl Value -------------- ---- ----- ADTS 0000 ADTY 00E0 |
Copyright IBM Corporation, 1990, 2022