int drive_check_type(unsigned int drive_type, unsigned int dnr) { if (!drive_check_bus(drive_type, iec_available_busses())) return 0; if (drive_check_dual(drive_type)) { if (is_drive1(dnr)) { /* Dual drives only supported on even device numbers. */ return 0; } else { if (drive_context[mk_drive1(dnr)]->drive->type != DRIVE_TYPE_NONE) /* Disable dual drive if second device is enabled. */ return 0; } } else { if (is_drive1(dnr)) { if (drive_check_dual(drive_context[mk_drive0(dnr)]->drive->type)) /* Disable second device if dual drive is enabled. */ return drive_type == DRIVE_TYPE_NONE; } } if (machine_drive_rom_check_loaded(drive_type) < 0) return 0; return 1; }
int drive_check_type(unsigned int drive_type, unsigned int dnr) { if (!drive_check_bus(drive_type, dnr, iec_available_busses())) return 0; if (drive_check_dual(drive_type)) { if (dnr > 0) { /* A second dual drive is not supported. */ return 0; } else { if (drive_context[1]->drive->type != DRIVE_TYPE_NONE) /* Disable dual drive if second drive is enabled. */ return 0; } } /* If the first drive is dual no second drive is supported at all. */ if (drive_check_dual(drive_context[0]->drive->type) && dnr > 0) return 0; if (machine_drive_rom_check_loaded(drive_type) < 0) return 0; return 1; }
static int drive_resources_type(int val, void *param) { unsigned int type, dnr; int busses; drive_t *drive, *drive0; dnr = vice_ptr_to_uint(param); drive = drive_context[dnr]->drive; type = (unsigned int)val; busses = iec_available_busses(); /* if bus for drive type is not allowed, set to default value for bus */ if (!drive_check_bus(type, busses)) { if (busses & IEC_BUS_IEC) { type = DRIVE_TYPE_1541; } else if (busses & IEC_BUS_IEEE) { type = DRIVE_TYPE_2031; } else { type = DRIVE_TYPE_NONE; } } if (is_drive0(dnr)) { if (drive_check_dual(type)) { int drive1 = mk_drive1(dnr); /* dual disk drives disable second emulated unit */ log_warning(drive->log, "Dual disk drive %d disables emulated drive %d", dnr, drive1); drive_resources_type(DRIVE_TYPE_NONE, int_to_void_ptr(drive1)); } } else { drive0 = drive_context[mk_drive0(dnr)]->drive; if (drive0->enable && drive_check_dual(drive0->type)) { /* dual disk drives disable second emulated unit */ log_warning(drive->log, "Dual disk drive %d disables emulated drive %d", mk_drive0(dnr), dnr); type = DRIVE_TYPE_NONE; } } switch (type) { case DRIVE_TYPE_1541: case DRIVE_TYPE_1541II: case DRIVE_TYPE_1551: case DRIVE_TYPE_1570: case DRIVE_TYPE_1571: case DRIVE_TYPE_1571CR: case DRIVE_TYPE_1581: case DRIVE_TYPE_2000: case DRIVE_TYPE_4000: case DRIVE_TYPE_2031: case DRIVE_TYPE_1001: case DRIVE_TYPE_2040: case DRIVE_TYPE_3040: case DRIVE_TYPE_4040: case DRIVE_TYPE_8050: case DRIVE_TYPE_8250: if (drive->type != type) { drive->current_half_track = 2 * 18; if ((type == DRIVE_TYPE_1001) || (type == DRIVE_TYPE_8050) || (type == DRIVE_TYPE_8250)) { drive->current_half_track = 2 * 38; } } drive->type = type; if (drive_true_emulation) { drive->enable = 1; drive_enable(drive_context[dnr]); /* 1551 drive does not use the IEC bus */ machine_bus_status_drivetype_set(dnr + 8, drive_check_bus(type, IEC_BUS_IEC)); } else { drive_enable_update_ui(drive_context[dnr]); } drive_set_disk_drive_type(type, drive_context[dnr]); driverom_initialize_traps(drive); machine_drive_idling_method(dnr); return 0; case DRIVE_TYPE_NONE: drive->type = type; drive_disable(drive_context[dnr]); machine_bus_status_drivetype_set(dnr + 8, 0); return 0; default: return -1; } }
static int drive0_resources_type(int val, void *param) { unsigned int type; int busses; drive_t *drive; drive = drive_context[0]->drive; type = (unsigned int)val; busses = iec_available_busses(); /* if bus for drive type is not allowed, set to default value for bus */ if (!drive_check_bus(type, 0, busses)) { if (busses & IEC_BUS_IEC) { type = DRIVE_TYPE_1541; } else if (busses & IEC_BUS_IEEE) { type = DRIVE_TYPE_2031; } else type = DRIVE_TYPE_NONE; } if (drive_check_dual(type)) { /* dual disk drives disable second emulated unit */ #ifdef CELL_DEBUG printf("WARNING: Dual disk drive disables second emulated drive\n"); #endif drive1_resources_type(DRIVE_TYPE_NONE, NULL); } switch (type) { case DRIVE_TYPE_1541: case DRIVE_TYPE_1541II: case DRIVE_TYPE_1551: case DRIVE_TYPE_1570: case DRIVE_TYPE_1571: case DRIVE_TYPE_1571CR: case DRIVE_TYPE_1581: case DRIVE_TYPE_2031: case DRIVE_TYPE_1001: case DRIVE_TYPE_2040: case DRIVE_TYPE_3040: case DRIVE_TYPE_4040: case DRIVE_TYPE_8050: case DRIVE_TYPE_8250: if (drive->type != type) { drive->current_half_track = 2 * 18; if ((type == DRIVE_TYPE_1001) || (type == DRIVE_TYPE_8050) || (type == DRIVE_TYPE_8250)) { drive->current_half_track = 2 * 38; } } drive->type = type; if (drive_true_emulation) { drive->enable = 1; drive_enable(drive_context[0]); /* 1551 drive does not use the IEC bus */ machine_bus_status_drivetype_set(8, drive_check_bus(type, 0, IEC_BUS_IEC)); } drive_set_disk_drive_type(type, drive_context[0]); driverom_initialize_traps(drive); machine_drive_idling_method(0); return 0; case DRIVE_TYPE_NONE: drive->type = type; drive_disable(drive_context[0]); machine_bus_status_drivetype_set(8, 0); return 0; default: return -1; } }