Difference between revisions of "Port"
From veswiki
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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. | 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. | ||
<br> | <br> | ||
| − | Port 0 <br> | + | <br> |
| + | Port 0<br> | ||
Bit 0-3 hooked to buttons TIME, MODE, HOLD, START <br> | Bit 0-3 hooked to buttons TIME, MODE, HOLD, START <br> | ||
Bit 4 N/C <br> | Bit 4 N/C <br> | ||
Revision as of 14:08, 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
Bit 0-3 hooked to buttons TIME, MODE, HOLD, START
Bit 4 N/C
Bit 5
Bit 6 Enable signal to controllers
Bit 7 N/C
Port 1
