Difference between revisions of "Port"

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Port 0<br>
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'''Port 0'''<br>
Bit 0-3 hooked to buttons TIME, MODE, HOLD, START <br>
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0 TIME console button
Bit 4 N/C <br>
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1 MODE console button
Bit 5 <br>
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2 HOLD console button
Bit 6 Enable signal to controllers <br>
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3 START console button<br>
Bit 7 N/C <br>
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4 - not connected - <br>
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5 ARM (to graphics)<br>
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6 Enable in-signal from controllers <br>
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7 - not connected - <br>
 
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Port 1
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'''Port 1'''

Revision as of 15:43, 17 November 2012

The VES has four usable 8-bit data ports in the console, port 0 and 1 that are in the 3850 CPU and port 4 and 5 on one of the 3851 Program Storage Units.

Port 0
0 TIME console button 1 MODE console button 2 HOLD console button 3 START console button
4 - not connected -
5 ARM (to graphics)
6 Enable in-signal from controllers
7 - not connected -

Port 1