| 1 |
|
/* |
| 2 |
|
* cdrom.cpp - CD-ROM driver |
| 3 |
|
* |
| 4 |
< |
* Basilisk II (C) 1997-2001 Christian Bauer |
| 4 |
> |
* Basilisk II (C) 1997-2004 Christian Bauer |
| 5 |
|
* |
| 6 |
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
* it under the terms of the GNU General Public License as published by |
| 180 |
|
{ |
| 181 |
|
info.start_byte = 0; |
| 182 |
|
uint8 *map = new uint8[512]; |
| 183 |
+ |
D(bug("Looking for HFS partitions on CD-ROM...\n")); |
| 184 |
|
|
| 185 |
|
// Search first 64 blocks for HFS partition |
| 186 |
|
for (int i=0; i<64; i++) { |
| 187 |
|
if (Sys_read(info.fh, map, i * 512, 512) != 512) |
| 188 |
|
break; |
| 189 |
+ |
D(bug(" block %d, signature '%c%c' (%02x%02x)\n", i, map[0], map[1], map[0], map[1])); |
| 190 |
|
|
| 191 |
|
// Not a partition map block? Then look at next block |
| 192 |
|
uint16 sig = (map[0] << 8) | map[1]; |
| 195 |
|
|
| 196 |
|
// Partition map block found, Apple HFS partition? |
| 197 |
|
if (strcmp((char *)(map + 48), "Apple_HFS") == 0) { |
| 198 |
< |
info.start_byte = ntohl(((uint32 *)map)[2]) << 9; |
| 199 |
< |
D(bug(" HFS partition found at %d, %d blocks\n", info.start_byte, ntohl(((uint32 *)map)[3]))); |
| 198 |
> |
info.start_byte = (loff_t)((map[8] << 24) | (map[9] << 16) | (map[10] << 8) | map[11]) << 9; |
| 199 |
> |
uint32 num_blocks = (map[12] << 24) | (map[13] << 16) | (map[14] << 8) | map[15]; |
| 200 |
> |
D(bug(" HFS partition found at %d, %d blocks\n", info.start_byte, num_blocks)); |
| 201 |
|
break; |
| 202 |
|
} |
| 203 |
|
} |
| 214 |
|
// Read TOC |
| 215 |
|
memset(info.toc, 0, sizeof(info.toc)); |
| 216 |
|
SysCDReadTOC(info.fh, info.toc); |
| 217 |
< |
D(bug(" TOC: %08lx %08lx\n", ntohl(((uint32 *)info.toc)[0]), ntohl(((uint32 *)info.toc)[1]))); |
| 217 |
> |
|
| 218 |
> |
#if DEBUG |
| 219 |
> |
// Dump TOC for debugging |
| 220 |
> |
D(bug(" TOC:\n %02x%02x%02x%02x : %d bytes, first track = %d, last track = %d\n", info.toc[0], info.toc[1], info.toc[2], info.toc[3], (info.toc[0] << 8) | info.toc[1], info.toc[2], info.toc[3])); |
| 221 |
> |
for (int i=4; i<804; i+=8) { |
| 222 |
> |
D(bug(" %02x%02x%02x%02x%02x%02x%02x%02x: ", info.toc[i+0], info.toc[i+1], info.toc[i+2], info.toc[i+3], info.toc[i+4], info.toc[i+5], info.toc[i+6], info.toc[i+7])); |
| 223 |
> |
const char *type = (info.toc[i+2] == 0xaa ? "lead-out" : (info.toc[i+1] & 0x04 ? "data" : "audio")); |
| 224 |
> |
D(bug("track %d (%s), addr/ctrl 0x%02x, M %d S %d F %d\n", info.toc[i+2], type, info.toc[i+1], info.toc[i+5], info.toc[i+6], info.toc[i+7])); |
| 225 |
> |
if (info.toc[i+2] == 0xaa) |
| 226 |
> |
break; |
| 227 |
> |
} |
| 228 |
> |
#endif |
| 229 |
|
|
| 230 |
|
// Find lead-out track |
| 231 |
|
info.lead_out[0] = 0; |
