Mark Pizzolato 6595ae52df PDP18B: Latest updates from Bob Supnik ...

- Added unix v0 terminal support
- Added 3-cycle databreak set/show entries
- Revised for dynamically allocated memory
- Added support for -u modifier (UC15 and Unix v0)

These changes are to support the Unix v0 bringup and to implement a
"Unix input" mode on the console terminal.  In Unix mode, CR and LF are
swapped (so that a modern terminal can use 'enter' instead of CTRK-J to
create the newline Unix expects), escape is mapped to altmode (175),
upper and lower case are enabled and the parity bit is forced to 1.  This
most closely matches the characteristics of the KSR-37, but there is no
definitive evidence of the terminal that was actually used.

2016-03-15 09:52:20 -07:00

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