Appendix F: Miscellaneous
MFM (Modified FM): Each pattern is made up of 2 data items. In the table below, data in parentheses () indicates the immediately preceding data of the data for which coding is being attempted. Here the output data is inverted every time when 1 appears in the codes.
| Code |
Pattern | Conversion |
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1 | 01 |
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00 | 10 |
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10 | 00 |
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Example
Input | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 |
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Code | 10 | 01 | 00 | 10 | 01 | 01 | 00 | 10 | 10 | 01 | 01 | 01 |
Conversion |
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Output | 11 | 10 | 00 | 11 | 10 | 01 | 11 | 00 | 11 | 10 | 01 | 10 |
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Pattern | Output Data |
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0 | 01 |
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1 | 10 |
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Example
Input | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 |
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Output | 01 | 10 | 01 | 01 | 10 | 10 | 01 | 01 | 01 | 10 | 10 | 10 |
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F8 | AWG2021 User Manual |