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/* |
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* cdrom.cpp - CD-ROM driver |
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* |
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* Basilisk II (C) 1997-2002 Christian Bauer |
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* Basilisk II (C) 1997-2008 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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{ |
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info.start_byte = 0; |
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uint8 *map = new uint8[512]; |
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D(bug("Looking for HFS partitions on CD-ROM...\n")); |
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// Search first 64 blocks for HFS partition |
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for (int i=0; i<64; i++) { |
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if (Sys_read(info.fh, map, i * 512, 512) != 512) |
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break; |
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D(bug(" block %d, signature '%c%c' (%02x%02x)\n", i, map[0], map[1], map[0], map[1])); |
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// Not a partition map block? Then look at next block |
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uint16 sig = (map[0] << 8) | map[1]; |
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// Partition map block found, Apple HFS partition? |
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if (strcmp((char *)(map + 48), "Apple_HFS") == 0) { |
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info.start_byte = ntohl(((uint32 *)map)[2]) << 9; |
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D(bug(" HFS partition found at %d, %d blocks\n", info.start_byte, ntohl(((uint32 *)map)[3]))); |
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info.start_byte = (loff_t)((map[8] << 24) | (map[9] << 16) | (map[10] << 8) | map[11]) << 9; |
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uint32 num_blocks = (map[12] << 24) | (map[13] << 16) | (map[14] << 8) | map[15]; |
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D(bug(" HFS partition found at %d, %d blocks\n", info.start_byte, num_blocks)); |
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break; |
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} |
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} |
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// Read TOC |
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memset(info.toc, 0, sizeof(info.toc)); |
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SysCDReadTOC(info.fh, info.toc); |
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D(bug(" TOC: %08lx %08lx\n", ntohl(((uint32 *)info.toc)[0]), ntohl(((uint32 *)info.toc)[1]))); |
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#if DEBUG |
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// Dump TOC for debugging |
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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])); |
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for (int i=4; i<804; i+=8) { |
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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])); |
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const char *type = (info.toc[i+2] == 0xaa ? "lead-out" : (info.toc[i+1] & 0x04 ? "data" : "audio")); |
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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])); |
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if (info.toc[i+2] == 0xaa) |
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break; |
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} |
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#endif |
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// Find lead-out track |
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info.lead_out[0] = 0; |
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} |
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return noErr; |
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} |
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case 97: { // WhoIsThere |
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uint8 drives_present = 0; |
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drive_vec::iterator info, end = drives.end(); |
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for (info = drives.begin(); info != end; ++info) { |
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if (info->num <= 6) |
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drives_present |= (1 << info->num); |
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} |
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WriteMacInt8(pb + csParam + 1, drives_present); |
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return noErr; |
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} |
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} |
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// Drive valid? |
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case 121: // Get CD features |
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WriteMacInt16(pb + csParam, 0x0200); // 300 KB/s |
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WriteMacInt16(pb + csParam, 0x0300); // SCSI-2, stereo |
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WriteMacInt16(pb + csParam + 2, 0x0c00); // SCSI-2, stereo |
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return noErr; |
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default: |
