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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 716 | lvd | 1 | #include "std.h" |
| 2 | |||
| 3 | #include "emul.h" |
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| 4 | #include "vars.h" |
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| 5 | #include "snapshot.h" |
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| 6 | |||
| 7 | #include "util.h" |
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| 8 | |||
| 9 | int FDD::index() |
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| 10 | { |
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| 11 | return this - comp.wd.fdd; |
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| 12 | } |
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| 13 | |||
| 14 | // return: 0 - CANCEL, 1 - YES/SAVED, 2 - NOT SAVED |
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| 15 | char FDD::test() |
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| 16 | { |
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| 17 | if (!optype) return 1; |
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| 18 | |||
| 19 | static char changed[] = "Disk A: changed. Save ?"; changed[5] = index()+'A'; |
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| 20 | int r = MessageBox(GetForegroundWindow(), changed, "Save disk", exitflag? MB_ICONQUESTION | MB_YESNO : MB_ICONQUESTION | MB_YESNOCANCEL); |
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| 21 | if (r == IDCANCEL) return 0; |
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| 22 | if (r == IDNO) return 2; |
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| 23 | // r == IDYES |
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| 24 | unsigned char *image = (unsigned char*)malloc(sizeof snbuf); |
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| 25 | memcpy(image, snbuf, sizeof snbuf); |
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| 26 | savesnap(index()); |
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| 27 | memcpy(snbuf, image, sizeof snbuf); |
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| 28 | ::free(image); |
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| 29 | |||
| 30 | if (*(volatile char*)&optype) return 0; |
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| 31 | return 1; |
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| 32 | } |
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| 33 | |||
| 34 | void FDD::free() |
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| 35 | { |
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| 36 | if (rawdata) |
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| 37 | VirtualFree(rawdata, 0, MEM_RELEASE); |
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| 38 | |||
| 39 | motor = 0; |
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| 40 | track = 0; |
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| 41 | |||
| 42 | rawdata = 0; |
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| 43 | rawsize = 0; |
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| 44 | cyls = 0; |
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| 45 | sides = 0; |
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| 46 | name[0] = 0; |
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| 47 | dsc[0] = 0; |
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| 48 | memset(trklen, 0, sizeof(trklen)); |
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| 49 | memset(trkd, 0, sizeof(trkd)); |
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| 50 | memset(trki, 0, sizeof(trki)); |
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| 51 | memset(trkwp, 0, sizeof(trkwp)); |
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| 52 | optype = 0; |
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| 53 | snaptype = 0; |
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| 54 | conf.trdos_wp[index()] = 0; |
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| 55 | /*comp.wd.trkcache.clear(); [vv]*/ |
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| 56 | t.clear(); |
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| 57 | } |
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| 58 | |||
| 59 | void FDD::newdisk(unsigned cyls, unsigned sides) |
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| 60 | { |
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| 61 | free(); |
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| 62 | |||
| 63 | FDD::cyls = cyls; FDD::sides = sides; |
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| 64 | unsigned len = MAX_TRACK_LEN; |
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| 65 | unsigned bitmap_len = unsigned(len+7U) >> 3; |
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| 66 | unsigned len2 = len + bitmap_len*2; |
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| 67 | rawsize = align_by(cyls * sides * len2, 4096); |
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| 68 | rawdata = (unsigned char*)VirtualAlloc(0, rawsize, MEM_COMMIT, PAGE_READWRITE); |
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| 69 | // ZeroMemory(rawdata, rawsize); // already done by VirtualAlloc |
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| 70 | |||
| 71 | for (unsigned c = 0; c < cyls; c++) |
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| 72 | { |
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| 73 | for (unsigned h = 0; h < sides; h++) |
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| 74 | { |
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| 75 | trklen[c][h] = len; |
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| 76 | trkd[c][h] = rawdata + len2*(c*sides + h); |
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| 77 | trki[c][h] = trkd[c][h] + len; |
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| 78 | trkwp[c][h] = trkd[c][h] + len + bitmap_len; |
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| 79 | } |
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| 80 | } |
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| 81 | // comp.wd.trkcache.clear(); // already done in free() |
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| 82 | } |
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| 83 | |||
| 84 | int FDD::read(unsigned char type) |
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| 85 | { |
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| 86 | int ok = 0; |
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| 87 | switch(type) |
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| 88 | { |
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| 89 | case snTRD: ok = read_trd(); break; |
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| 90 | case snUDI: ok = read_udi(); break; |
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| 91 | case snHOB: ok = read_hob(); break; |
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| 92 | case snSCL: ok = read_scl(); break; |
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| 93 | case snFDI: ok = read_fdi(); break; |
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| 94 | case snTD0: ok = read_td0(); break; |
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| 95 | case snISD: ok = read_isd(); break; |
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| 96 | case snPRO: ok = read_pro(); break; |
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| 97 | } |
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| 98 | return ok; |
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| 99 | } |
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| 100 | |||
| 101 | bool done_fdd(bool Cancelable) |
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| 102 | { |
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| 103 | for(int i = 0; i < 4; i++) |
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| 104 | if(!comp.wd.fdd[i].test() && Cancelable) |
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| 105 | return false; |
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| 106 | return true; |
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| 107 | } |