/[projet1]/public/pc/tools/osdk/main/DskTool/sources/DskTool.cpp
Defence Force logotype

Contents of /public/pc/tools/osdk/main/DskTool/sources/DskTool.cpp

Parent Directory Parent Directory | Revision Log Revision Log


Revision 897 - (show annotations)
Sat Sep 29 15:35:48 2012 UTC (7 years, 1 month ago) by dbug
File size: 5499 byte(s)
Updated the configurations of OSDK for Visual Studio 2010
1
2 #pragma warning( disable : 4996) // #define _CRT_SECURE_NO_WARNINGS
3
4 #include "infos.h"
5
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <string.h>
9
10 FILE *fd;
11 char bigbuf[1024*1024];
12 char header[256];
13 unsigned char trackbuf[6400];
14 int sides, tracks, sectors, geometry=1;
15 int gap1,gap2,gap3;
16 char old_signature[]="ORICDISK";
17 char new_signature[]="MFM_DISK";
18
19 void init_track(int n)
20 {
21 int i,j,offset=0;
22
23 for (i=0;i<gap1-12;i++) trackbuf[offset++]=0x4E;
24 for (j=0;j<n;j++) {
25 for (i=0;i<12;i++) trackbuf[offset++]=0;
26 for (i=0;i<3;i++) trackbuf[offset++]=0xA1;
27 trackbuf[offset++]=0xFE;
28 for (i=0;i<6;i++) offset++;
29 /* for (i=0;i<gap2-12;i++) trackbuf[offset++]=0x4E;
30 */ for (i=0;i<gap2-12;i++) trackbuf[offset++]=0x22;
31 for (i=0;i<12;i++) trackbuf[offset++]=0;
32 for (i=0;i<3;i++) trackbuf[offset++]=0xA1;
33 trackbuf[offset++]=0xFB;
34 for (i=0;i<258;i++) offset++;
35 for (i=0;i<gap3-12;i++) trackbuf[offset++]=0x4E;
36 }
37 while (offset<6400) trackbuf[offset++]=0x4E;
38 }
39
40 unsigned int crctab[256] =
41 {
42 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
43 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
44 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
45 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
46 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
47 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
48 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
49 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
50 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
51 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
52 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
53 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
54 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
55 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
56 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
57 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
58 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
59 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
60 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
61 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
62 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
63 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
64 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
65 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
66 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
67 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
68 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
69 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
70 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
71 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
72 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
73 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
74 };
75
76 void compute_crc(unsigned char *ptr,int count)
77 {
78 int i;
79 unsigned short crc=0xFFFF,byte;
80 for (i=0;i<count;i++) {
81 byte= *ptr++;
82 crc=(crc<<8)^crctab[(crc>>8)^byte];
83 }
84 *ptr++=crc>>8;
85 *ptr++=crc&0xFF;
86 }
87
88
89 int main(int argc,char *argv[])
90 {
91 printf("\nDskTool: A multi-tape-tool based on Tap2CD by Fabrice Frances. Version %d.%3d\n\n",TOOL_VERSION_MAJOR,TOOL_VERSION_MINOR);
92
93 int i,s,t,offset;
94
95 printf("Old -> MFM v1.2\n");
96 if (argc!=2) {
97 printf("Usage: DskTool <diskimage>\n");
98 printf("(converts old Euphoric disk image format to new MFM format)\n");
99 exit(1);
100 }
101 fd=fopen(argv[1],"r+b");
102 if (fd==NULL) {
103 printf("Unable to open %s for read/write operation\n",argv[1]);
104 exit(1);
105 }
106 fread(header,8,1,fd);
107 if (strncmp(header,old_signature,8)!=0) {
108 printf("%s is not an old disk image\n",argv[1]);
109 exit(1);
110 }
111 fread(&sides,1,4,fd); fread(&tracks,1,4,fd); fread(&sectors,1,4,fd);
112 fread(header+20,256-20,1,fd);
113 fread(bigbuf,sides*tracks*sectors,256,fd);
114 fseek(fd,0,SEEK_SET);
115
116 switch (sectors) {
117 case 15: case 16: case 17:
118 gap1=72; gap2=34; gap3=50;
119 break;
120 case 18:
121 gap1=12; gap2=34; gap3=46;
122 break;
123 default:
124 printf("unrealistic sectors per track number\n");
125 exit(1);
126 }
127 init_track(sectors);
128
129 fwrite(new_signature,8,1,fd);
130 fwrite(&sides,1,4,fd); fwrite(&tracks,1,4,fd); fwrite(&geometry,1,4,fd);
131 fwrite(header+20,256-20,1,fd);
132
133 for(s=0;s<sides;s++)
134 for(t=0;t<tracks;t++) {
135 offset=gap1;
136 for(i=0;i<sectors;i++) {
137 trackbuf[offset+4]=t;
138 trackbuf[offset+5]=s;
139 trackbuf[offset+6]=i+1;
140 trackbuf[offset+7]=1;
141 compute_crc(trackbuf+offset,4+4);
142 offset+=4+6;
143 offset+=gap2;
144 memcpy(trackbuf+offset+4,bigbuf+((s*tracks+t)*sectors+i)*256,256);
145 compute_crc(trackbuf+offset,4+256);
146 offset+=256+6;
147 offset+=gap3;
148 }
149 fwrite(trackbuf,6400,1,fd);
150 }
151 }
152

  ViewVC Help
Powered by ViewVC 1.1.26