4 May
2016
4 May
'16
4:46 p.m.
Marc wrote...
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My 1974 HP 21MX, descendant of the HP 2100A, sure inherited this Memory Protect card. One
register that you load, prevents access to any memory below the address of the register.
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That's just the fence register (memory access interception) capability. There's
also the I/O & HLT instruction interception, interrupt interception, etc. mentioned
earlier. [...]
J
Yes, I didn't know it was more comprehensive. I just learned it from this
thread! Is this a good message board or what...
Marc