/* * bmpdataturbo.c - Cartridge handling, BMP Data Turbo 2000 cart. * * Written by * groepaz * * 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. * */ /* #define DEBUG_BMPDATATURBO */ #include "vice.h" #include #include #include #define CARTRIDGE_INCLUDE_SLOTMAIN_API #include "c64cartsystem.h" #undef CARTRIDGE_INCLUDE_SLOTMAIN_API #include "c64mem.h" #include "cartio.h" #include "cartridge.h" #include "export.h" #include "monitor.h" #include "snapshot.h" #include "types.h" #include "util.h" #include "bmpdataturbo.h" #include "crt.h" #include "log.h" #ifdef DEBUG_BMPDATATURBO #define DBG(x) log_printf x #else #define DBG(x) #endif /* BMP Data Turbo 2000 - 16k ROM - uses full io1/io2 io1 - write: enable rom at 8000 io2 - write: disable rom at 8000 */ /* some prototypes are needed */ static void bmpdataturbo_io1_store(uint16_t addr, uint8_t value); static void bmpdataturbo_io2_store(uint16_t addr, uint8_t value); static int bmpdataturbo_dump(void); static io_source_t bmpdataturbo_io1_device = { CARTRIDGE_NAME_BMPDATATURBO, /* name of the device */ IO_DETACH_CART, /* use cartridge ID to detach the device when involved in a read-collision */ IO_DETACH_NO_RESOURCE, /* does not use a resource for detach */ 0xde00, 0xdeff, 0xff, /* range for the device, regs:$de00-$deff */ 0, /* read is never valid */ bmpdataturbo_io1_store, /* store function */ NULL, /* NO poke function */ NULL, /* NO read function */ NULL, /* NO peek function */ bmpdataturbo_dump, /* device state information dump function */ CARTRIDGE_BMPDATATURBO, /* cartridge ID */ IO_PRIO_NORMAL, /* normal priority, device read needs to be checked for collisions */ 0, /* insertion order, gets filled in by the registration function */ IO_MIRROR_NONE /* NO mirroring */ }; static io_source_t bmpdataturbo_io2_device = { CARTRIDGE_NAME_BMPDATATURBO, /* name of the device */ IO_DETACH_CART, /* use cartridge ID to detach the device when involved in a read-collision */ IO_DETACH_NO_RESOURCE, /* does not use a resource for detach */ 0xdf00, 0xdfff, 0xff, /* range for the device, regs:$df00-$dfff */ 0, /* read is never valid */ bmpdataturbo_io2_store, /* store function */ NULL, /* NO poke function */ NULL, /* NO read function */ NULL, /* NO peek function */ bmpdataturbo_dump, /* device state information dump function */ CARTRIDGE_BMPDATATURBO, /* cartridge ID */ IO_PRIO_NORMAL, /* normal priority, device read needs to be checked for collisions */ 0, /* insertion order, gets filled in by the registration function */ IO_MIRROR_NONE /* NO mirroring */ }; static io_source_list_t *bmpdataturbo_io1_list_item = NULL; static io_source_list_t *bmpdataturbo_io2_list_item = NULL; /* ---------------------------------------------------------------------*/ static int bmpdataturbo_enabled = 0; static void bmpdataturbo_io1_store(uint16_t addr, uint8_t value) { bmpdataturbo_enabled = 1; cart_config_changed_slotmain(CMODE_16KGAME, CMODE_16KGAME, CMODE_READ); DBG(("bmpdataturbo_io1_store de%02x %02x (%s)", addr, value, bmpdataturbo_enabled ? "enabled" : "disabled")); } static void bmpdataturbo_io2_store(uint16_t addr, uint8_t value) { bmpdataturbo_enabled = 0; cart_config_changed_slotmain(CMODE_RAM, CMODE_RAM, CMODE_RAM); DBG(("bmpdataturbo_io2_store df%02x %02x (%s)", addr, value, bmpdataturbo_enabled ? "enabled" : "disabled")); } static int bmpdataturbo_dump(void) { mon_out("$8000-$9FFF ROM: %s\n", (bmpdataturbo_enabled) ? "enabled" : "disabled"); return 0; } /* ---------------------------------------------------------------------*/ static const export_resource_t export_res_bmpdataturbo = { CARTRIDGE_NAME_BMPDATATURBO, 1, 1, &bmpdataturbo_io1_device, &bmpdataturbo_io2_device, CARTRIDGE_BMPDATATURBO }; /* ---------------------------------------------------------------------*/ void bmpdataturbo_reset(void) { cart_config_changed_slotmain(CMODE_16KGAME, CMODE_16KGAME, CMODE_READ); bmpdataturbo_enabled = 1; } void bmpdataturbo_config_init(void) { bmpdataturbo_reset(); } void bmpdataturbo_config_setup(uint8_t *rawcart) { memcpy(roml_banks, rawcart, 0x2000); memcpy(romh_banks, &rawcart[0x2000], 0x2000); bmpdataturbo_reset(); } static int bmpdataturbo_common_attach(void) { if (export_add(&export_res_bmpdataturbo) < 0) { return -1; } bmpdataturbo_io1_list_item = io_source_register(&bmpdataturbo_io1_device); bmpdataturbo_io2_list_item = io_source_register(&bmpdataturbo_io2_device); return 0; } int bmpdataturbo_bin_attach(const char *filename, uint8_t *rawcart) { if (util_file_load(filename, rawcart, 0x4000, UTIL_FILE_LOAD_SKIP_ADDRESS) < 0) { return -1; } return bmpdataturbo_common_attach(); } int bmpdataturbo_crt_attach(FILE *fd, uint8_t *rawcart) { crt_chip_header_t chip; if (crt_read_chip_header(&chip, fd)) { return -1; } if (chip.start != 0x8000 || chip.size != 0x4000) { return -1; } if (crt_read_chip(rawcart, 0, &chip, fd)) { return -1; } return bmpdataturbo_common_attach(); } void bmpdataturbo_detach(void) { export_remove(&export_res_bmpdataturbo); io_source_unregister(bmpdataturbo_io1_list_item); io_source_unregister(bmpdataturbo_io2_list_item); bmpdataturbo_io1_list_item = NULL; bmpdataturbo_io2_list_item = NULL; } /* ---------------------------------------------------------------------*/ /* CARTWARP snapshot module format: type | name | version | description ---------------------------------------- BYTE | ROM 8000 | 0.1 | ROM at $8000 flag ARRAY | ROML | 0.0+ | 8192 BYTES of ROML data ARRAY | ROMH | 0.0+ | 8192 BYTES of ROMH data */ static const char snap_module_name[] = "CARTBMPDATATURBO"; #define SNAP_MAJOR 0 #define SNAP_MINOR 1 int bmpdataturbo_snapshot_write_module(snapshot_t *s) { snapshot_module_t *m; m = snapshot_module_create(s, snap_module_name, SNAP_MAJOR, SNAP_MINOR); if (m == NULL) { return -1; } if (0 || SMW_B(m, (uint8_t)bmpdataturbo_enabled) < 0 || SMW_BA(m, roml_banks, 0x2000) < 0 || SMW_BA(m, romh_banks, 0x2000) < 0) { snapshot_module_close(m); return -1; } return snapshot_module_close(m); } int bmpdataturbo_snapshot_read_module(snapshot_t *s) { uint8_t vmajor, vminor; snapshot_module_t *m; m = snapshot_module_open(s, snap_module_name, &vmajor, &vminor); if (m == NULL) { return -1; } /* Do not accept versions higher than current */ if (snapshot_version_is_bigger(vmajor, vminor, SNAP_MAJOR, SNAP_MINOR)) { snapshot_set_error(SNAPSHOT_MODULE_HIGHER_VERSION); goto fail; } /* new in 0.1 */ if (!snapshot_version_is_smaller(vmajor, vminor, 0, 1)) { if (SMR_B_INT(m, &bmpdataturbo_enabled) < 0) { goto fail; } } else { bmpdataturbo_enabled = 0; } if (0 || SMR_BA(m, roml_banks, 0x2000) < 0 || SMR_BA(m, romh_banks, 0x2000) < 0) { goto fail; } snapshot_module_close(m); return bmpdataturbo_common_attach(); fail: snapshot_module_close(m); return -1; }