BBC BASIC on Victor Sirius
                                ==========================

+--+-----+----+----+----+----+----+----+----+----+----+-----+----+-----+-----+-----+-----+
|  |  0  | 1  | 2  | 3  | 4  | 5  | 6  | 7  | 8  | 9  |  A  | B  |  C  |  D  |  E  |  F  |
+--+-----+----+----+----+----+----+----+----+----+----+-----+----+-----+-----+-----+-----+
|0x|     |    |    |    |    |    |    |    | BS | TAB|     |    |     | RET |     |     |
+--+-----+----+----+----+----+----+----+----+----+----+-----+----+-----+-----+-----+-----+
|1x|     |    |    |    |    |    |    |    |    |    |     | ESC|     |     |     |     |
+--+-----+----+----+----+----+----+----+----+----+----+-----+----+-----+-----+-----+-----+
|2x| SPC |    |    |    |    |    |    |    |    |    |     |    |     |     |     |     |
+--+-----+----+----+----+----+----+----+----+----+----+-----+----+-----+-----+-----+-----+
|7x|     |    |    |    |    |    |    |    |    |    |     |    |     |     |     | DEL |
+--+-----+----+----+----+----+----+----+----+----+----+-----+----+-----+-----+-----+-----+
|  |     |    |    |    |    |    |    |f11 |f12 |f13 | f14 |f15 | f16 | f17 | f18 | f19 |
|8x|     |    |    |    |    |    |    |CLR | <- | -> | Dn  | Up | INS | DEL | INS | DEL |
|  |     |    |    |    |    |    |    |    |    |    |     |    | MODE| LINE| LINE| EOL |
+--+-----+----+----+----+----+----+----+----+----+----+-----+----+-----+-----+-----+-----+
|Fx|     | f1 | f2 | f3 | f4 | f5 | f6 | f7 | f8 | f9 | f10 |    |     |     |     |     |
+--+-----+----+----+----+----+----+----+----+----+----+-----+----+-----+-----+-----+-----+