Description
Hardware modification to de-bounce the NMI/Break button.
See the DPU Page for full details , this uses the other half of the 74LS04 IC to make a seperate debounced NMI switch.
Schematic
See attached.
Components
| 1 | 74LS04 |
| 2 | 330 Ohm resistor |
| 1 | 3 terminal pushbutton/switch |
See Hardware Bugs.