PAGBK | Back to Index page |
Prolog Control Block Contents PAGBK DSECT Storage Layout Cross Reference (Contains links to field and bit definitions) |
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PAGBK Prolog | Top of page |
NAME : HCPPAGBK DESCRIPTION: Page I/O DSECT Block DSECT : PAGBK FUNCTION : PAGBK maps a free storage block that contains the IORBK, EXPBK (for single exposures), and the Set Paging Parameter CCW or the Define Extent Data Area. LOCATED BY : EXPIORBK - Field in the exposure block that points to the beginning of the block. RELOCATION CONSIDERATIONS : None NOTES : To use this dsect the following dsects must also be included in the module. HCPIORBK, HCPEXPBK. This block contains an IORBK and CCW data. It must be backed below 2-Gig. (Defaulted in CBITABLE). |
PAGBK Control Block Content | Top of page |
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PAGBK Storage Layout | Top of page |
*** PAGBK - Page I/O DSECT Block * * +-------------------------------------------------------+ * 0 | | * = PAGIORBK = * | | * +-------------------------------------------------------+ * 248 | | * = PAGEXPBK = * | | * +------+----------------------------------+-------------+ * 3B0 |//////|//////////////////////////////////| PAGCCHH- | * +------+------+---------------------------+-------------+ * 3B8 | -(3B6) |/////////////////////////////////////////| * +-------------+/////////////////////////////////////////| * |///////////////////////////////////////////////////////| * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 3D0 * *** PAGBK - Page I/O DSECT Block *** Overlay for PAGSPPAR in PAGBK * * +-------------------------------------------------------+ * 3B0 | | * = PAGDXDA = * | | * +-------------------------------------------------------+ * 3D0 * *** Overlay for PAGSPPAR in PAGBK |
PAGBK Cross Reference | Top of page |
Symbol Dspl Value -------------- ---- ----- PAGBSIZE 03B0 000003D0 PAGCCHH 03B6 PAGCKSIZ 03B0 000003D0 PAGDATA 03B0 PAGDATA1 03B1 PAGDXDA 03B0 PAGEXPBK 0248 PAGIORBK 0000 PAGSIZE 03B0 0000007A PAGSPPAR 03B0 |
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