Charles Mills wrote:
Is it a fair statement to say "zSeries [is] EBCDIC"?
From the zPOP:
"Although the System/360 architecture was originally designed to support
The Extended Binary-Coded-Decimal Interchange Code (EBCDIC), the
Instructions and data formats of the architecture are for the most part
independent of the external code which is to be processed by the machine.
For most instructions, all 256 possible combinations of bit patterns for a
Particular byte can be processed, independent of the character which the
bit pattern is intended to represent ... a machine operating in
Accordance with z/Architecture can process EBCDIC, ASCII, or any other
code which can be represented in eight or fewer bits per character."
It's really z/OS, its subsystems, and its typical applications that are
EBCDIC, not the zSeries hardware. In other words, the fact that OS/400 is
EBCDIC based is a very small advantage in zSeries emulation on iSeries
hardware (relative to, e.g., Pentium hardware).
To complement: Linux on z/Series is ASCII.
Translation ASCII<->EBCDIC is IMHO one of the smallest issues for emulator.
--
Radoslaw Skorupka
Lodz, Poland
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