| 6800 microprocessor instruction set summary card |
|
The RTL cookbook by Don Lancaster
The Resistor—transistor logic (RTL) logic family then Diode—transistor logic (DTL) came before Transistor—transistor logic (TTL) The interfacing section is still useful. |
|
ELECTRO was once the main Electronic Industry Trade Show
in NY, then Boston. |
|
These boxes were once on every vendor's table at computer shows:
generic ISA peripheral cards. |
|
So many things used to be made in NJ:
K&E slide rules, even nuts and bolts. Like the bridge says Trenton makes, the world takes |
| Testing David Gesswein's paper tape punch on his PDP8 |