Subtracting Binary Numbers, Overflow, and Truncation

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Errata:
- At 18:39, diagram 2.3 SHOULD show the operand values of 3 and 4 as 8-bit values (as opposed to 7) for the result to be 255. The correct result for two 7-bit operands would be 127 (with the same overflow condition.) This has been fixed in the RVALP document at the link below.
- At 22:01 there is a typo shown in RVALP (that has since been fixed) that discusses a 'negative unsigned number'... which is obviously not possible! I meant to show that we are talking about SIGNED values at that point in the discussion.
- At 28:15, Figure 2.8 shows one of the addend as: 00001001 and should be 00000001. This has been fixed in RVALP.

#twoscomplement
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Congratulation for getting Kobayashi Maru into the lecture. I am sure you change a negative situation to a positive one for success!

allenlorenz
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Still learning new stuff. So well presented too.

jchidley