What was the DEP switch for?
@kai Ahh, But of course... "DEPosit"!
DEP deposits contents of the Switch Register into the location specified by the Bus Address. If the DEP switch is raised again, the Switch Register contents (which were probably modified) are located into the next word location (Bus Address is incremented automatically). If an odd address is specified, the next lower even address word will be used. If a non-existent memory address is specified, no UNIBUS operation will be completed...
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