/* * mikroass.c - Cartridge handling, Mikro Assembler cart. * * Written by * Marco van den Heuvel * * 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 #define CARTRIDGE_INCLUDE_SLOTMAIN_API #include "c64cartsystem.h" #undef CARTRIDGE_INCLUDE_SLOTMAIN_API #include "cartio.h" #include "cartridge.h" #include "export.h" #include "mikroass.h" #include "snapshot.h" #include "types.h" #include "util.h" #include "crt.h" /* "Mikro Assembler" Cartridge This cart has 8Kb ROM mapped at $8000-$9FFF. The $9E00-$9EFF range is mirrored at $DE00-$DEFF. The $9F00-$9FFF range is mirrored at $DF00-$DFFF. */ static uint8_t mikroass_io1_read(uint16_t addr) { return roml_banks[0x1e00 + (addr & 0xff)]; } static uint8_t mikroass_io2_read(uint16_t addr) { return roml_banks[0x1f00 + (addr & 0xff)]; } /* ---------------------------------------------------------------------*/ static io_source_t mikroass_io1_device = { CARTRIDGE_NAME_MIKRO_ASSEMBLER, /* 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 */ 1, /* read is always valid */ NULL, /* NO store function */ NULL, /* NO poke function */ mikroass_io1_read, /* read function */ mikroass_io1_read, /* peek function */ NULL, /* nothing to dump */ CARTRIDGE_MIKRO_ASSEMBLER, /* 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 mikroass_io2_device = { CARTRIDGE_NAME_MIKRO_ASSEMBLER, /* 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 */ 1, /* read is always valid */ NULL, /* NO store function */ NULL, /* NO poke function */ mikroass_io2_read, /* read function */ mikroass_io2_read, /* peek function */ NULL, /* nothing to dump */ CARTRIDGE_MIKRO_ASSEMBLER, /* 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 *mikroass_io1_list_item = NULL; static io_source_list_t *mikroass_io2_list_item = NULL; static const export_resource_t export_res = { CARTRIDGE_NAME_MIKRO_ASSEMBLER, 0, 1, &mikroass_io1_device, &mikroass_io2_device, CARTRIDGE_MIKRO_ASSEMBLER }; /* ---------------------------------------------------------------------*/ void mikroass_config_init(void) { cart_config_changed_slotmain(CMODE_8KGAME, CMODE_8KGAME, CMODE_READ); } void mikroass_config_setup(uint8_t *rawcart) { memcpy(roml_banks, rawcart, 0x2000); cart_config_changed_slotmain(CMODE_8KGAME, CMODE_8KGAME, CMODE_READ); } /* ---------------------------------------------------------------------*/ static int mikroass_common_attach(void) { if (export_add(&export_res) < 0) { return -1; } mikroass_io1_list_item = io_source_register(&mikroass_io1_device); mikroass_io2_list_item = io_source_register(&mikroass_io2_device); return 0; } int mikroass_bin_attach(const char *filename, uint8_t *rawcart) { if (util_file_load(filename, rawcart, 0x2000, UTIL_FILE_LOAD_SKIP_ADDRESS) < 0) { return -1; } return mikroass_common_attach(); } int mikroass_crt_attach(FILE *fd, uint8_t *rawcart) { crt_chip_header_t chip; if (crt_read_chip_header(&chip, fd)) { return -1; } if (chip.size != 0x2000) { return -1; } if (crt_read_chip(rawcart, 0, &chip, fd)) { return -1; } return mikroass_common_attach(); } void mikroass_detach(void) { export_remove(&export_res); io_source_unregister(mikroass_io1_list_item); io_source_unregister(mikroass_io2_list_item); mikroass_io1_list_item = NULL; mikroass_io2_list_item = NULL; } /* ---------------------------------------------------------------------*/ /* C64_256K snapshot module format: type | name | description -------------------------- ARRAY | ROML | 8192 BYTES of ROML data */ static const char snap_module_name[] = "CARTMIKROASS"; #define SNAP_MAJOR 0 #define SNAP_MINOR 0 int mikroass_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 (SMW_BA(m, roml_banks, 0x2000) < 0) { snapshot_module_close(m); return -1; } return snapshot_module_close(m); } int mikroass_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; } if (SMR_BA(m, roml_banks, 0x2000) < 0) { goto fail; } snapshot_module_close(m); return mikroass_common_attach(); fail: snapshot_module_close(m); return -1; }