One called l2tab and the other called tempbuf. zip file below for source and listing) there are two fields in a work area. In cckdlo64.hla (the CCKD64 version of cckdload.hla that I'm writing see. I've encountered an addressability error and I don't know how best to fix it. (The reverse is also true too: existing CCKD64 format dasd volumes on Hercules cannot currently be transferred to the mainframe either since the cckdload utility is currently designed to only supports the original 32-bit CCKD file format, not the new CCKD64 file format.)īoth of these utilities need to either be updated to support the new CCKD64 file format or else new CCKD64 versions of the utilities need to be created. You can't transfer that volume from your mainframe over to Hercules on your personal computer because the size of the resulting CCKD file would be larger than the current 4GB CCKD limit. more than 4GB of data when compressed, such as a "3390-9" or larger) cannot be compressed into a Hercules CCKD dasd image file of less than 4GB in size, then you're basically screwed. This means if a "large" dasd volume containing more than approximately 75,000 tracks (i.e. Even though the cckddump/cckdload programs both now support volumes with more than 64K tracks thanks to Chistopher Varlet, they both currently only support the original 32-bit CCKD (Compressed CKD) file format.
They were written by Greg Smith (the original author/designer of our CKD/CCKD and FBA/CFBA emulated dasd support) and were later updated by Chistopher Varlet in 2014 to support "very large dasds" (i.e. Both are HLASM assembler source files living in the repository's 'util' subdirectory. Hercules ships with two mainframe assembler utilities designed to allow users to dump an entire mainframe dasd volume to CCKD format for transfer to Hercules on their personal computer ( cckddump.hla) and vice versa ( cckdload.hla). Note: This issue is a sub-issue (sub-project) of Issue #20 "We need 64-bit CCKD support".
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