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/* |
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* disk.cpp - Generic disk driver |
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* |
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* Basilisk II (C) 1997-1999 Christian Bauer |
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* Basilisk II (C) 1997-2001 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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// Icon address (Mac address space, set by PatchROM()) |
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uint32 DiskIconAddr; |
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|
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// Number of ticks between checks for disk insertion |
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const int driver_delay = 120; |
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// Flag: Control(accRun) has been called, interrupt routine is now active |
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static bool acc_run_called = false; |
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info->num_blocks = SysGetFileSize(info->fh) / 512; |
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info->to_be_mounted = true; |
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} |
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D(bug(" %ld blocks\n", info->num_blocks)); |
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D(bug(" %d blocks\n", info->num_blocks)); |
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WriteMacInt16(info->status + dsDriveSize, info->num_blocks & 0xffff); |
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WriteMacInt16(info->status + dsDriveS1, info->num_blocks >> 16); |
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uint32 sel = ReadMacInt32(pb + csParam); |
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D(bug(" driver gestalt %c%c%c%c\n", sel >> 24, sel >> 16, sel >> 8, sel)); |
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switch (sel) { |
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case 'vers': // Version |
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case FOURCC('v','e','r','s'): // Version |
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WriteMacInt32(pb + csParam + 4, 0x01008000); |
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break; |
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case 'devt': // Device type |
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case FOURCC('d','e','v','t'): // Device type |
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if (info != NULL) { |
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if (ReadMacInt8(info->status + dsDiskInPlace) == 8) |
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WriteMacInt32(pb + csParam + 4, 'disk'); |
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WriteMacInt32(pb + csParam + 4, FOURCC('d','i','s','k')); |
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else |
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WriteMacInt32(pb + csParam + 4, 'rdsk'); |
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WriteMacInt32(pb + csParam + 4, FOURCC('r','d','s','k')); |
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} else |
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WriteMacInt32(pb + csParam + 4, 'disk'); |
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WriteMacInt32(pb + csParam + 4, FOURCC('d','i','s','k')); |
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break; |
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case 'intf': // Interface type |
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WriteMacInt32(pb + csParam + 4, 'basi'); |
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case FOURCC('i','n','t','f'): // Interface type |
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WriteMacInt32(pb + csParam + 4, EMULATOR_ID_4); |
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break; |
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case 'sync': // Only synchronous operation? |
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case FOURCC('s','y','n','c'): // Only synchronous operation? |
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WriteMacInt32(pb + csParam + 4, 0x01000000); |
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break; |
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case 'boot': // Boot ID |
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case FOURCC('b','o','o','t'): // Boot ID |
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if (info != NULL) |
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WriteMacInt16(pb + csParam + 4, info->num); |
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else |
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WriteMacInt16(pb + csParam + 4, 0); |
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WriteMacInt16(pb + csParam + 6, (uint16)DiskRefNum); |
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break; |
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case 'wide': // 64-bit access supported? |
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case FOURCC('w','i','d','e'): // 64-bit access supported? |
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WriteMacInt16(pb + csParam + 4, 0x0100); |
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break; |
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case 'purg': // Purge flags |
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case FOURCC('p','u','r','g'): // Purge flags |
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WriteMacInt32(pb + csParam + 4, 0); |
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break; |
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case 'ejec': // Eject flags |
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case FOURCC('e','j','e','c'): // Eject flags |
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WriteMacInt32(pb + csParam + 4, 0x00030003); // Don't eject on shutdown/restart |
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break; |
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case 'flus': // Flush flags |
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case FOURCC('f','l','u','s'): // Flush flags |
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WriteMacInt16(pb + csParam + 4, 0); |
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break; |
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case 'vmop': // Virtual memory attributes |
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case FOURCC('v','m','o','p'): // Virtual memory attributes |
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WriteMacInt32(pb + csParam + 4, 0); // Drive not available for VM |
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break; |
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default: |
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// Drive-specific codes |
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switch (code) { |
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case 8: // Get drive status |
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memcpy(Mac2HostAddr(pb + csParam), Mac2HostAddr(info->status), 22); |
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Mac2Mac_memcpy(pb + csParam, info->status, 22); |
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return noErr; |
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default: |
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/* |
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* Driver interrupt routine - check for volumes to be mounted |
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* Driver interrupt routine (1Hz) - check for volumes to be mounted |
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*/ |
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void DiskInterrupt(void) |
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{ |
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static int tick_count = 0; |
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if (!acc_run_called) |
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return; |
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tick_count++; |
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if (tick_count > driver_delay) { |
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tick_count = 0; |
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mount_mountable_volumes(); |
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} |
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mount_mountable_volumes(); |
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} |
