/*
get filename of cart with given type
*/
const char *cartridge_get_file_name(int type)
{
if (cart_getid_slotmain() == type) {
return cartfile;
}
return cart_get_file_name(type);
}
/*
returns 1 if the cartridge of the given type is enabled
- used by c64iec.c:iec_available_busses
*/
int cartridge_type_enabled(int type)
{
if (cart_getid_slotmain() == type) {
return 1;
}
return cart_type_enabled(type);
}
/*
detach cartridge from "Main Slot"
*/
void cart_detach_slotmain(void)
{
int type = cart_getid_slotmain();
DBG(("CART: detach main %d: type: %d id: %d\n", type, c64cart_type, crttype));
if (type != CARTRIDGE_NONE) {
cart_detach(type);
DBG(("CART: unset cart config\n"));
cart_config_changed_slotmain(CMODE_RAM, CMODE_RAM, CMODE_READ);
cart_power_off();
/* reset "Main Slot" */
mem_cartridge_type = CARTRIDGE_NONE;
c64cart_type = CARTRIDGE_NONE;
crttype = CARTRIDGE_NONE;
if (cartfile) {
lib_free(cartfile);
cartfile = NULL;
}
}
}
static BYTE read_pa(tpi_context_t *tpi_context)
{
BYTE byte = 0;
#ifdef USEPASSTHROUGHHACK
if (cart_getid_slotmain() != CARTRIDGE_NONE) {
/* passthrough */
byte |= (MV_GAME_GAMECART << 5); /* passthrough !GAME */
} else {
byte |= (MV_GAME_NOCART << 5); /* passthrough !GAME */
}
#else
/* DBG(("MV: read pa extgame %d\n", mv_extgame)); */
byte |= ((mv_extgame ^ 1) << 5);
#endif
byte |= ((t6721->eos ^ 1) << 6); /* !EOS = End of Speech from T6721 */
byte |= (DTRD << 7); /* DIR = Data in Ready from 40105 */
byte = (byte & ~(tpi_context->c_tpi)[TPI_DDPA]) | (tpi_context->c_tpi[TPI_PA] & tpi_context->c_tpi[TPI_DDPA]);
/* DBG(("MV: read pa %02x\n", byte)); */
return byte;
}
/*
attach cartridge image
type == -1 NONE
type == 0 CRT format
returns -1 on error, 0 on success
*/
int cartridge_attach_image(int type, const char *filename)
{
BYTE *rawcart;
char *abs_filename;
int carttype = CARTRIDGE_NONE;
int cartid = CARTRIDGE_NONE;
int oldmain = CARTRIDGE_NONE;
int slotmain = 0;
if (filename == NULL) {
return -1;
}
/* Attaching no cartridge always works. */
if (type == CARTRIDGE_NONE || *filename == '\0') {
return 0;
}
if (archdep_path_is_relative(filename)) {
archdep_expand_path(&abs_filename, filename);
} else {
abs_filename = lib_stralloc(filename);
}
if (type == CARTRIDGE_CRT) {
carttype = crt_getid(abs_filename);
if (carttype == -1) {
log_message(LOG_DEFAULT, "CART: '%s' is not a valid CRT file.", abs_filename);
lib_free(abs_filename);
return -1;
}
} else {
carttype = type;
}
DBG(("CART: cartridge_attach_image type: %d ID: %d\n", type, carttype));
/* allocate temporary array */
rawcart = lib_malloc(C64CART_IMAGE_LIMIT);
/* cart should always be detached. there is no reason for doing fancy checks
here, and it will cause problems incase a cart MUST be detached before
attaching another, or even itself. (eg for initialization reasons)
most obvious reason: attaching a different ROM (software) for the same
cartridge (hardware) */
slotmain = cart_is_slotmain(carttype);
if (slotmain) {
/* if the cart to be attached is in the "Main Slot", detach whatever
cart currently is in the "Main Slot" */
oldmain = cart_getid_slotmain();
if (oldmain != CARTRIDGE_NONE) {
DBG(("CART: detach slot main ID: %d\n", oldmain));
cartridge_detach_image(oldmain);
}
}
if (oldmain != carttype) {
DBG(("CART: detach %s ID: %d\n", slotmain ? "slot main" : "other slot", carttype));
cartridge_detach_image(carttype);
}
if (type == CARTRIDGE_CRT) {
DBG(("CART: attach CRT ID: %d '%s'\n", carttype, filename));
cartid = crt_attach(abs_filename, rawcart);
if (cartid == CARTRIDGE_NONE) {
goto exiterror;
}
if (type < 0) {
DBG(("CART: attach generic CRT ID: %d\n", type));
}
} else {
DBG(("CART: attach BIN ID: %d '%s'\n", carttype, filename));
cartid = carttype;
if (cart_bin_attach(carttype, abs_filename, rawcart) < 0) {
goto exiterror;
}
}
if (cart_is_slotmain(cartid)) {
DBG(("cartridge_attach MAIN ID: %d\n", cartid));
mem_cartridge_type = cartid;
cart_romhbank_set_slotmain(0);
cart_romlbank_set_slotmain(0);
} else {
DBG(("cartridge_attach (other) ID: %d\n", cartid));
}
DBG(("CART: attach RAW ID: %d\n", cartid));
cart_attach(cartid, rawcart);
cart_power_off();
if (cart_is_slotmain(cartid)) {
/* "Main Slot" */
DBG(("CART: set main slot ID: %d type: %d\n", carttype, type));
c64cart_type = type;
if (type == CARTRIDGE_CRT) {
crttype = carttype;
}
util_string_set(&cartfile, abs_filename);
}
DBG(("CART: cartridge_attach_image type: %d ID: %d done.\n", type, carttype));
lib_free(rawcart);
log_message(LOG_DEFAULT, "CART: attached '%s' as ID %d.", abs_filename, carttype);
lib_free(abs_filename);
return 0;
exiterror:
DBG(("CART: error\n"));
lib_free(rawcart);
log_message(LOG_DEFAULT, "CART: could not attach '%s'.", abs_filename);
lib_free(abs_filename);
return -1;
}
