====== VDG TO ASCII TO VDG =====

===== 6847 to ASCII =====

^ 6847 Value ^ Action ^ ASCII Result ^
| 0 - 63 | block | -X no inverse |
| 64 - 94 | copy unchanged | 64 - 94 |
| 94 | ? | ? |
| 95 | ? | ? |
| 96 - 127 | subtract 64 | 32 - 63 |

===== ASCII to 6847 =====

^ ASCII Value ^ Action ^ 6847 Result ^
| 0 - 32 | block | -X no control characters |
| 32 - 63 | add 64 | 96 - 127 |
| 64 - 93 | copy unchanged | 64 - 93 |
| 94 | ? | ? |
| 95 | ? | ? |
| 96 - 127 | block | -X unsupported lowercase |

===== 6847T1 to ASCII =====

^ 6847T1 Value ^ Action ^ ASCII Result ^
| 0 | to | 94 |
| 1 - 30 | add 96 | 97 - 126 |
| 31 | to | 95 |
| 32 - 63 | block | -X no inverse |
| 64 - 93 | copy unchanged | 64 - 93 |
| 94 | block | |
| 95 | block | |

===== ASCII to 6847T1 =====

^ ASCII Value ^ Action ^ 6847T1 Result ^
| 0 - 31 | block | -X no controls |
| 32 - 63 | add 64 | 96 - 127 |
| 64 - 93 | copy unchanged | 64 - 93 |
| 94 | to | 0 |
| 95 | to | 31 |
| 96 | block | no backtick |
| 97 - 126 | subtract 96 | 1 - 30 |
| 127 | block | no DEL |
 
===== 6847 to 6847T1 =====

^ 6847 Value ^ Action ^ 6847T1 Result ^
| 0 | block | -X |
| 1 - 26 | copy unchanged | 1 - 26 |
| 27 - 31 | block | -X |
| 32 - 127 | copy unchanged | 32 - 127 |

===== 6847T1 to 6847 =====

^ 6847T1 Value ^ Action ^ 6847 Result ^
| 0 | to | 30 |
| 1 - 26 | add 64 | 65 - 90 |
| 27 - 31 | block | -X |
| 32 - 127 | copy unchanged | 32 - 127 |

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