Ready to tackle programs that can reach above the bar? As they say in Red Stick, There is beaucoup storage there waiting for you. In this video, you will learn how to call a subroutine that switches to 64-bit addressing to create 10 megabytes of storage above the bar. Think of what you can do with that amount of storage – Read an entire file into memory – build a data structure for all of your records. Besides the video, there is a working main program and a subroutine you can use to get started.
Reaching Above the Bar: 64-Bit Addressing
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If the ‘goal’ is to utilise storage above ‘the bar’ why not then allocate storage under ‘the line’ and relocate the DCBs, thus availing of RMODE 31?
Not sure of your point here, The DCBs are under the line. I’m just trying to get a very simple 64 bit program example.
Right. Storage allocation over / under should, where possible, be programmatically managed rather than determined by FETCH.
FWIW – the photoshopper that crafted the illustration should be sacked – the hand of the female is placed in what would be an awkward and painful position.
It came as a disappointment to see that a character rather than a bit is used for the SUBX option (this is BAL, not CoBOL 😉
IARV64 is referred to as a function (it is a macro) in the video @ 19:48.
Thanks