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Wire Punchcards

Github[github.com]

Adds punchcards, as well as two new devices to read and write to them.


You can hand punch a card by right clicking on one with the punchcard tool and clicking the respective columns, or press +WALK and +USE (default ALT+E) to just view one.

If you make a mistake, right click on a column to patch it.


Punchcard readers and writers both have high speed/wirelink as well as regular wire inputs

Memory layout cheatsheet

1. Is Punchcard Shifting, 1 if moving forward -1 if moving backward, 0 if still
   
2. Has Punchcard? 1 if inserted in top, -1 if inserted in bottom, 0 if none present
   
3. Value at current row, defaults to 0 if no punchcard

1. Shift, write number of rows to shift by, negative numbers will reverse.

1. Is Punchcard Shifting, 1 if moving forward -1 if moving backward, 0 if still
   
2. Has Punchcard? 1 if inserted in top, -1 if inserted in bottom, 0 if none present
   
3. Current value to write, returns same value as last written to [3]

1. Shift, write number of rows to shift by, negative numbers will reverse.
   
2. Clk, write the value in [3] to the current row, will clamp [3] to an integer
   
3. Current value to write