VHDL tutorial
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To be added: a tutorial on VHDL design with a design example (likely the DAC emulator). Also to be included: the VHDL resolution table:
| U | X | 0 | 1 | Z | W | L | H | - | |
|---|---|---|---|---|---|---|---|---|---|
| U | U | U | U | U | U | U | U | U | U |
| X | U | X | X | X | X | X | X | X | X |
| 0 | U | X | 0 | X | 0 | 0 | 0 | 0 | X |
| 1 | U | X | X | 1 | 1 | 1 | 1 | 1 | X |
| Z | U | X | 0 | 1 | Z | W | L | H | X |
| W | U | X | 0 | 1 | W | W | W | W | X |
| L | U | X | 0 | 1 | L | W | L | W | X |
| H | U | X | 0 | 1 | H | W | W | H | X |
| - | U | X | X | X | X | X | X | X | X |