Doyle, Rob

Manojlovich, Joe

PDP-8 Processor Core and System

## DE2-115

![DE2-115](/usercontent/img/1346977947)

Component

Function

Switch 17

Single step

Switch 16

Halt

Switches 11 to 0

Front panel data switches

Key 2

Address load

Key 1

Continue

Key 0

Front panel rotator switch (press to "rotate")

Hex 3 to 0

Data register

Red LEDs 14 to 0

Address register

## Digilent Nexys 2

This is a PDP8 Implementation using the Digilent Nexys 2 FPGA Board.

I need to add lettering to the switches on the Front Panel.

![Nexys2](/usercontent/img/1364015077)

![Nexys2_Inside](/usercontent/img/1364014501)


<h2 id="d-e2-115">DE2-115</h2>
<p><img src="/usercontent/img/1346977947" alt="DE2-115" />

<table border="1">
<tr><th>Component</th><th>Function</th></tr>
<tr><td>Switch 17</td><td>Single step</td></tr>
<tr><td>Switch 16</td><td>Halt</td></tr>
<tr><td>Switches 11 to 0</td><td>Front panel data switches</td></tr>
<tr><td>Key 2</td><td>Address load</td></tr>
<tr><td>Key 1</td><td>Continue</td></tr>
<tr><td>Key 0</td><td>Front panel rotator switch (press to "rotate")</td></tr>
<tr><td>Hex 3 to 0</td><td>Data register</td></tr>
<tr><td>Red LEDs 14 to 0</td><td>Address register</td></tr>
</table>
</p>
<h2 id="digilent-nexys-2">Digilent Nexys 2</h2>
<p>This is a PDP8 Implementation using the Digilent Nexys 2 FPGA Board.
<p>
I need to add lettering to the switches on the Front Panel.
</p><p>
<img src="/usercontent/img/1364015077" alt="Nexys2" />
</p><p>
<img src="/usercontent/img/1364014501" alt="Nexys2_Inside" />


</p></p>


Component	Function
Switch 17	Single step
Switch 16	Halt
Switches 11 to 0	Front panel data switches
Key 2	Address load
Key 1	Continue
Key 0	Front panel rotator switch (press to "rotate")
Hex 3 to 0	Data register
Red LEDs 14 to 0	Address register

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PDP-8 Processor Core and System

DE2-115

Digilent Nexys 2