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apple2_russian_peasant_multiplication
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More cleanup to examples

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Michaelangel007 2016-08-19 08:13:09 -07:00
parent f9843ad44d
commit c5171f7d41
1 changed files with 15 additions and 15 deletions
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README.MD
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@ -32,7 +32,7 @@ An alternative algorithm to implement multiplication using only:
* bit-shift (left and right), and
* addition.
Example of "normal" multiplication:
Example of "traditional" multiplication:
In base 10:
@ -67,23 +67,23 @@ Example of Russian Peasant multiplication:
In Base 10:
```
A B Sum = 0
86 57 0 + A = 86 (b is odd)
x 2 = 172 / 2 = 28 86 = 86
x 2 = 344 / 2 = 14 86 = 86
x 2 = 688 / 2 = 7 86 + A = 774 (b is odd)
x 2 = 1376 / 2 = 3 774 + A = 2150 (b is odd)
x 2 = 2752 / 2 = 1 2150 + A = 4902 (b is odd)
A B Sum = 0
86 57 + A = 86 (b is odd)
x 2 = 172 / 2 = 28 = 86
x 2 = 344 / 2 = 14 = 86
x 2 = 688 / 2 = 7 + A = 774 (b is odd)
x 2 = 1376 / 2 = 3 + A = 2150 (b is odd)
x 2 = 2752 / 2 = 1 + A = 4902 (b is odd)
```
In Base 2:
```
A B Sum = 0
01010110 00111001 + A = 00000001010110 (b is odd)
010101100 00011100 = 00000001010110
0101011000 00001110 = 00000001010110
01010110000 00000111 + A = 00001100000110 (b is odd)
010101100000 00000011 + A = 00100001100110 (b is odd)
0101011000000 00000001 + A = 01001100100110 (b is odd)
A B Sum = 0
01010110 00111001 + A = 00000001010110 (b is odd)
010101100 00011100 = 00000001010110
0101011000 00001110 = 00000001010110
01010110000 00000111 + A = 00001100000110 (b is odd)
010101100000 00000011 + A = 00100001100110 (b is odd)
0101011000000 00000001 + A = 01001100100110 (b is odd)
```