/* * ieeerom.c * * Written by * Andreas Boose * * This file is part of VICE, the Versatile Commodore Emulator. * See README for copyright notice. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA * 02111-1307 USA. * */ #include "vice.h" #include #include #include "drive.h" #include "driverom.h" #include "drivetypes.h" #include "ieeerom.h" #include "log.h" #include "resources.h" #include "sysfile.h" /* Logging goes here. */ static log_t ieeerom_log; /* If nonzero, the ROM image is available */ static unsigned int rom2031_loaded = 0; static unsigned int rom2040_loaded = 0; static unsigned int rom3040_loaded = 0; static unsigned int rom4040_loaded = 0; static unsigned int rom1001_loaded = 0; static unsigned int rom9000_loaded = 0; /* test ROM for existence, size */ int ieeerom_load_2031(void) { return driverom_test_load("DosName2031", &rom2031_loaded, DRIVE_ROM2031_SIZE, DRIVE_ROM2031_SIZE, "2031", DRIVE_TYPE_2031, NULL); } int ieeerom_load_2040(void) { return driverom_test_load("DosName2040", &rom2040_loaded, DRIVE_ROM2040_SIZE, DRIVE_ROM2040_SIZE, "2040", DRIVE_TYPE_2040, NULL); } int ieeerom_load_3040(void) { return driverom_test_load("DosName3040", &rom3040_loaded, DRIVE_ROM3040_SIZE, DRIVE_ROM3040_SIZE, "3040", DRIVE_TYPE_3040, NULL); } int ieeerom_load_4040(void) { return driverom_test_load("DosName4040", &rom4040_loaded, DRIVE_ROM4040_SIZE, DRIVE_ROM4040_SIZE, "4040", DRIVE_TYPE_4040, NULL); } int ieeerom_load_1001(void) { return driverom_test_load("DosName1001", &rom1001_loaded, DRIVE_ROM1001_SIZE, DRIVE_ROM1001_SIZE, "1001/8050/8250", DRIVE_TYPE_1001, NULL); } int ieeerom_load_9000(void) { return driverom_test_load("DosName9000", &rom9000_loaded, DRIVE_ROM9000_SIZE, DRIVE_ROM9000_SIZE, "D9090/9060", DRIVE_TYPE_9000, NULL); } /* setup (=load) the ROM for a given disk unit */ void ieeerom_setup_image(diskunit_context_t *unit) { unsigned int loaded = 0; if (rom_loaded) { if (unit->rom_type != unit->type) { /* set this here to avoid recursion */ unit->rom_type = unit->type; switch (unit->type) { case DRIVE_TYPE_2031: driverom_load("DosName2031", unit->rom, &rom2031_loaded, DRIVE_ROM2031_SIZE, DRIVE_ROM2031_SIZE, "2031", DRIVE_TYPE_2031, NULL); /* ROM was loaded to the lower part of the buffer */ memcpy(&(unit->rom[0x4000]), unit->rom, DRIVE_ROM2031_SIZE); break; case DRIVE_TYPE_2040: driverom_load("DosName2040", unit->rom, &rom2040_loaded, DRIVE_ROM2040_SIZE, DRIVE_ROM2040_SIZE, "2040", DRIVE_TYPE_2040, NULL); /* ROM was loaded to the lower part of the buffer */ memcpy(&(unit->rom[DRIVE_ROM_SIZE - DRIVE_ROM2040_SIZE]), unit->rom, DRIVE_ROM2040_SIZE); break; case DRIVE_TYPE_3040: driverom_load("DosName3040", unit->rom, &rom3040_loaded, DRIVE_ROM3040_SIZE, DRIVE_ROM3040_SIZE, "3040", DRIVE_TYPE_3040, NULL); /* ROM was loaded to the lower part of the buffer */ memcpy(&(unit->rom[DRIVE_ROM_SIZE - DRIVE_ROM3040_SIZE]), unit->rom, DRIVE_ROM3040_SIZE); break; case DRIVE_TYPE_4040: driverom_load("DosName4040", unit->rom, &rom4040_loaded, DRIVE_ROM4040_SIZE, DRIVE_ROM4040_SIZE, "4040", DRIVE_TYPE_4040, NULL); /* ROM was loaded to the lower part of the buffer */ memcpy(&(unit->rom[DRIVE_ROM_SIZE - DRIVE_ROM4040_SIZE]), unit->rom, DRIVE_ROM4040_SIZE); break; case DRIVE_TYPE_1001: case DRIVE_TYPE_8050: case DRIVE_TYPE_8250: driverom_load("DosName1001", unit->rom, &rom1001_loaded, DRIVE_ROM1001_SIZE, DRIVE_ROM1001_SIZE, "1001/8050/8250", DRIVE_TYPE_1001, NULL); /* ROM was loaded to the lower part of the buffer */ memcpy(&(unit->rom[0x4000]), unit->rom, DRIVE_ROM1001_SIZE); break; case DRIVE_TYPE_9000: driverom_load("DosName9000", unit->rom, &rom9000_loaded, DRIVE_ROM9000_SIZE, DRIVE_ROM9000_SIZE, "D9090/9060", DRIVE_TYPE_9000, NULL); /* ROM was loaded to the lower part of the buffer */ memcpy(&(unit->rom[0x4000]), unit->rom, DRIVE_ROM9000_SIZE); break; } /* if loading failed, set rom type to 0 */ if (!loaded) { unit->rom_type = 0; } } } } /* check if the drive ROM is available for a given drive type, returns -1 on error */ int ieeerom_check_loaded(unsigned int type) { switch (type) { case DRIVE_TYPE_NONE: return 0; case DRIVE_TYPE_2031: if (rom2031_loaded < 1 && rom_loaded) { return -1; } break; case DRIVE_TYPE_2040: if (rom2040_loaded < 1 && rom_loaded) { return -1; } break; case DRIVE_TYPE_3040: if (rom3040_loaded < 1 && rom_loaded) { return -1; } break; case DRIVE_TYPE_4040: if (rom4040_loaded < 1 && rom_loaded) { return -1; } break; case DRIVE_TYPE_1001: case DRIVE_TYPE_8050: case DRIVE_TYPE_8250: if (rom1001_loaded < 1 && rom_loaded) { return -1; } break; case DRIVE_TYPE_9000: if (rom9000_loaded < 1 && rom_loaded) { return -1; } break; case DRIVE_TYPE_ANY: if ((!rom2031_loaded && !rom2040_loaded && !rom3040_loaded && !rom4040_loaded && !rom1001_loaded && !rom9000_loaded ) && rom_loaded) { return -1; } break; default: return -1; } return 0; } void ieeerom_init(void) { ieeerom_log = log_open("IEEEDriveROM"); }