Jeff Wang
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4405ee7c8f
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division
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2019-03-27 05:23:26 -04:00 |
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Jeff Wang
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b3c73cbdb5
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style fixes
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2019-03-27 05:22:47 -04:00 |
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Jeff Wang
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116b6ed2e6
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bugfixes for multiply
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2019-03-27 05:22:21 -04:00 |
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Jeff Wang
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0ba2ca7710
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bugfixes for addition/subtraction
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2019-03-27 05:22:19 -04:00 |
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Jeff Wang
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a742bb2059
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separate out set_exponent function
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2019-03-27 05:17:32 -04:00 |
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Jeff Wang
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14251c91cb
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multiplication
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2019-03-27 03:53:18 -04:00 |
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Jeff Wang
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d2faa41dd5
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bugfixes for addition/subtraction
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2019-03-26 04:45:09 -04:00 |
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Jeff Wang
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72becb60a7
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check result value equal to zero
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2019-03-26 04:44:25 -04:00 |
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Jeff Wang
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c6ac8f5c5c
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subtraction
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2019-03-26 03:35:49 -04:00 |
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Jeff Wang
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ad9a9f55ad
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change to base-100 with implicit decimal point
- addition working for test case
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2019-03-26 02:38:56 -04:00 |
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Jeff Wang
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d351995294
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initial decimal number code, needs work
- need to change to have implicit decimal point after first digit
- need to rework for code size
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2019-03-22 16:38:35 -04:00 |
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Jeff Wang
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7dddcb0902
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soft latching power switch
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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606ac5c2f8
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optimize delays for better accuracy
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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33949440db
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fix lcd indexing, clear to end of line function
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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b3f0f12c32
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key debouncer
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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c92decd204
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increase code size
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2019-03-21 21:06:12 -04:00 |
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Jeff Wang
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61c41aebc1
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fix top row key inputs
temporarily set to push-pull outputs to force high
then scan as usual
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2019-03-21 20:59:25 -04:00 |
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Jeff Wang
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84b6888d7e
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scan keyboard
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2019-03-20 03:21:11 -04:00 |
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Jeff Wang
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f4f70853c1
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initial stc rpn calculator project
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2019-03-20 00:34:51 -04:00 |
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