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vhdl core of IC6821

## emulating the IC6821

One day my partern says lets make this old board smaller. But a lot of IC6821. So emulate them into an FPGA. So i developed the code in VHDL. The 6821 is a peripheral from MOTOROLA. It has two bidir ports PA,PB and four interrupt inputs, two of them also can be configured for handshake.  

## Not time to write yet.

\- feature1  
\- feature1.1  
\-feature1.2  
\-feature2

## Status early yet

\-- On 16 december 2005 i finished the coding and some basing simulation using the QUARTUS web edition.

## FILE: VHDL6821.vhd

FILE: VHDL6821.vhd  
DESCRIPTION:


<h2 id="emulating-the-i-c6821">emulating the IC6821</h2>
<p>One day my partern says lets make this old board smaller. But a lot of IC6821. So emulate them into an FPGA. So i developed the code in VHDL. The 6821 is a peripheral from MOTOROLA. It has two bidir ports PA,PB and four interrupt inputs, two of them also can be configured for handshake.<br />
</p>
<h2 id="not-time-to-write-yet">Not time to write yet.</h2>
<p>- feature1<br />
  - feature1.1<br />
  -feature1.2<br />
-feature2</p>
<h2 id="status-early-yet">Status early yet</h2>
<p>-- On 16 december 2005 i finished the coding and some basing simulation using the QUARTUS web edition.</p>
<h2 id="file-vhd-l6821-vhd">FILE: VHDL6821.vhd</h2>
<p>FILE: VHDL6821.vhd<br />
DESCRIPTION: <br />
</p>


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vhdl core of IC6821

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emulating the IC6821

Not time to write yet.

Status early yet

FILE: VHDL6821.vhd