doubt-Intel 8279 display controller

Hi

Intel 8279 display controller provides 3 choices for blanking a 7 seg display: All zeroes, all ones and 20 hex. Why is the 20 hex choice provided? How does it blank a display?

Thanks in advance Neha.

Reply to
Neha
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Because 20h is the ASCII value for a space.

Meindert

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Meindert Sprang

messagenews: snipped-for-privacy@k70g2000cwa.googlegroups.com...

Because 20h is the ASCII value for a space.

Reply to
Neha

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