| 12 | #include <fstream> |
| 13 | |
| 14 | static unsigned getModulationandSpeed(uint8_t flags, bool* fm) |
| 15 | { |
| 16 | switch (flags) |
| 17 | { |
| 18 | case 0: /* 500 kbps FM */ |
| 19 | // clockRateKhz.setDefaultValue(250); |
| 20 | *fm = true; |
| 21 | return 500; |
| 22 | break; |
| 23 | |
| 24 | case 1: /* 300 kbps FM */ |
| 25 | *fm = true; |
| 26 | return 300; |
| 27 | |
| 28 | break; |
| 29 | |
| 30 | case 2: /* 250 kbps FM */ |
| 31 | *fm = true; |
| 32 | return 250; |
| 33 | break; |
| 34 | |
| 35 | case 3: /* 500 kbps MFM */ |
| 36 | *fm = false; |
| 37 | return 500; |
| 38 | break; |
| 39 | |
| 40 | case 4: /* 300 kbps MFM */ |
| 41 | *fm = false; |
| 42 | return 300; |
| 43 | break; |
| 44 | |
| 45 | case 5: /* 250 kbps MFM */ |
| 46 | *fm = false; |
| 47 | return 250; |
| 48 | break; |
| 49 | |
| 50 | default: |
| 51 | error( |
| 52 | "IMD: don't understand IMD disks with this modulation and " |
| 53 | "speed {}", |
| 54 | flags); |
| 55 | throw 0; |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | struct TrackHeader |
| 60 | { |