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 | | Re: BCD
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| Mar, The half carry (H) bit in the CCR sets if there is a carry from bit 3 to bit 4: in other words when there is a carry from the low hex digit to the high hex digit. Only the DAA instruction is affected by the state of H. For example: LDAA #$5A (...) (28 years ago, 3-Apr-97, to lugnet.robotics.handyboard)
| | | | | Re: BCD
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| Yeah, it helps alot. Thanks. I guess the half-cary is for adding to the next significant 4 bit word. And the current word, including overflow, is then subtracted by ten (1010), if the half-carry is flaged, to yield the proper BCD word. Is this what (...) (28 years ago, 3-Apr-97, to lugnet.robotics.handyboard)
| | | | | RE: LCD Panel Substitute
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| I recently got mine from Marshall (www.marshall.com). When I ordered mine about a month ago, they had a bunch of them in stock. .... Jim Montague ---...--- From: Bill Conroy Sent: Wednesday, April 02, 1997 3:19 PM To: handyboard@media.mit.edu (...) (28 years ago, 3-Apr-97, to lugnet.robotics.handyboard)
| | | | | LCD Panel Substitute
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| I am having an extremely difficult time finding a source for the Hitachi 16x2 LCD panel. I am wondering what an appropriate substitute would be. I am looking at the following part from page 53 of the Mouser Electronics Purchasing Manual #58: Mouser (...) (28 years ago, 2-Apr-97, to lugnet.robotics.handyboard)
| | | | | Re: BCD [DAT]
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| (...) As far as BSD goes; every decimal digit is represented by four binary digits: decimal BCD 0 0000 1 0001 2 0010 3 0011 4 0100 5 0101 6 0110 7 0111 8 1000 9 1001 so that a number like 3725 would be represented by 0011 0111 0010 0101 I've never (...) (28 years ago, 2-Apr-97, to lugnet.robotics.handyboard)
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