Funny story: While we were demonstrating a breadboard of the VT00 to Gordon Bell, CTO, he asked me if we could make the screen display a 132 character line to match the output of line printers.I said I would look into it, but thought to myself that with the resolution we had on-screen it would be unreadable. Thank goodness, I did not say that to Gordon. I did some character bit sketches that reinforced my feeling, but to be sure I went to the lab to see if I could simulate it. Since I had designed the tv display, I knew how to shrink the horizontal deflection to allow 80 characters to display in the space they would be on a 132 character line. And I found they were completely legible! Spec changed. Our brains do a good job of recognizing fuzzy characters.In hindsight, this turned into a big profit for Digital. Since we were under cost pressure we did not put in enough memory to display a 24 x 132 screen in the base VT100, but we sold an add on a memory card at somewhat high-price. Most people bought the add-on.
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free(leftArr); // 释放临时数组