int ross_crt_attach(FILE *fd, uint8_t *rawcart)
{
crt_chip_header_t chip;
int amount = 0;
while (1) {
if (crt_read_chip_header(&chip, fd)) {
break;
}
amount++;
if (chip.start != 0x8000 || chip.size != 0x4000 || chip.bank > 1) {
return -1;
}
if (crt_read_chip(rawcart, chip.bank << 14, &chip, fd)) {
return -1;
}
}
if (amount == 1) {
ross_is_32k = 0;
} else {
ross_is_32k = 1;
}
return ross_common_attach();
}
int freezemachine_crt_attach(FILE *fd, BYTE *rawcart)
{
int i;
crt_chip_header_t chip;
for (i = 0; i < 4; i++) {
if (crt_read_chip_header(&chip, fd)) {
break;
}
if (chip.bank > 3 || chip.size != 0x2000 || (chip.start != 0x8000 && chip.start != 0xa000)) {
return -1;
}
if (crt_read_chip(rawcart, (chip.start & 0x2000) + (chip.bank << 14), &chip, fd)) {
return -1;
}
}
if (i != 2 && i != 4) {
return -1;
}
allow_toggle = (i == 4);
return freezemachine_common_attach();
}
int magicdesk_crt_attach(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
while (1) {
if (crt_read_chip_header(&chip, fd)) {
break;
}
if ((chip.bank >= MAXBANKS) || ((chip.start != 0x8000) && (chip.start != 0xa000)) || (chip.size != 0x2000)) {
return -1;
}
if (crt_read_chip(rawcart, chip.bank << 13, &chip, fd)) {
return -1;
}
}
return magicdesk_common_attach();
}
int rex_crt_attach(FILE *fd, BYTE *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 rex_common_attach();
}
int warpspeed_crt_attach(FILE *fd, BYTE *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 warpspeed_common_attach();
}
int dsm_crt_attach(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
if (crt_read_chip_header(&chip, fd)) {
return -1;
}
if (chip.bank > 0 || chip.size != DSM_CART_SIZE) {
return -1;
}
if (crt_read_chip(rawcart, 0, &chip, fd)) {
return -1;
}
return dsm_common_attach();
}
static int expert_crt_load(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
if (crt_read_chip_header(&chip, fd)) {
return -1;
}
if (chip.size != EXPERT_RAM_SIZE) {
return -1;
}
if (crt_read_chip(rawcart, 0, &chip, fd)) {
return -1;
}
expert_filetype = CARTRIDGE_FILETYPE_CRT;
return 0;
}
int freezeframe_crt_attach(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
if (crt_read_chip_header(&chip, fd)) {
return -1;
}
if (chip.bank > 0 || chip.size != FREEZE_FRAME_CART_SIZE) {
return -1;
}
if (crt_read_chip(rawcart, 0, &chip, fd)) {
return -1;
}
return freezeframe_common_attach();
}
int magicdesk_crt_attach(FILE *fd, uint8_t *rawcart)
{
crt_chip_header_t chip;
int lastbank = 0;
while (1) {
if (crt_read_chip_header(&chip, fd)) {
break;
}
if ((chip.bank >= MAXBANKS) || ((chip.start != 0x8000) && (chip.start != 0xa000)) || (chip.size != 0x2000)) {
return -1;
}
if (crt_read_chip(rawcart, chip.bank << 13, &chip, fd)) {
return -1;
}
if (chip.bank > lastbank) {
lastbank = chip.bank;
}
}
if (lastbank >= 128) {
/* more than 128 banks does not work */
return -1;
} else if (lastbank >= 64) {
/* min 65, max 128 banks */
bankmask = 0x7f;
} else if (lastbank >= 32) {
/* min 33, max 64 banks */
bankmask = 0x3f;
} else if (lastbank >= 16) {
/* min 17, max 32 banks */
bankmask = 0x1f;
} else if (lastbank >= 8) {
/* min 9, max 16 banks */
bankmask = 0x0f;
} else if (lastbank >= 4) {
/* min 5, max 8 banks */
bankmask = 0x07;
} else {
/* max 4 banks */
bankmask = 0x03;
}
return magicdesk_common_attach();
}
int dinamic_crt_attach(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
while (1) {
if (crt_read_chip_header(&chip, fd)) {
break;
}
if (chip.bank > 15 || chip.size != 0x2000 || chip.start != 0x8000) {
return -1;
}
if (crt_read_chip(rawcart, chip.bank << 13, &chip, fd)) {
return -1;
}
}
return dinamic_common_attach();
}
int simon_crt_attach(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
int i;
for (i = 0; i <= 1; i++) {
if (crt_read_chip_header(&chip, fd)) {
return -1;
}
if ((chip.start != 0x8000 && chip.start != 0xa000) || chip.size != 0x2000) {
return -1;
}
if (crt_read_chip(rawcart, chip.start - 0x8000, &chip, fd)) {
return -1;
}
}
return simon_common_attach();
}
int actionreplay2_crt_attach(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
int i;
for (i = 0; i <= 1; i++) {
if (crt_read_chip_header(&chip, fd)) {
return -1;
}
if (chip.bank > 1 || chip.size != 0x2000) {
return -1;
}
if (crt_read_chip(rawcart, chip.bank << 13, &chip, fd)) {
return -1;
}
}
return actionreplay2_common_attach();
}
int se5_crt_attach(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
int i, cnt = 0;
for (i = 0; i <= 0x01; i++) {
if (crt_read_chip_header(&chip, fd)) {
break;
}
if (chip.bank > 0x1f || chip.size != 0x2000) {
return -1;
}
if (crt_read_chip(rawcart, chip.bank << 13, &chip, fd)) {
return -1;
}
cnt++;
}
return se5_common_attach();
}
int mach5_crt_attach(FILE *fd, BYTE *rawcart)
{
crt_chip_header_t chip;
if (crt_read_chip_header(&chip, fd)) {
return -1;
}
if (chip.size == 0x1000) {
if (crt_read_chip(rawcart, 0, &chip, fd)) {
return -1;
}
memcpy(&rawcart[0x1000], rawcart, 0x1000);
} else if (chip.size == 0x2000) {
if (crt_read_chip(rawcart, 0, &chip, fd)) {
return -1;
}
} else {
return -1;
}
return mach5_common_attach();
}
/*
* (old) wrong formats:
*
* cartconv produced this until 2011:
*
* offset sig type bank start size chunklen
* $000040 CHIP ROM #000 $8000 $2000 $2010
* $002050 CHIP ROM #001 $8000 $2000 $2010
* $004060 CHIP ROM #002 $8000 $2000 $2010 (32k ROMs only)
* $006070 CHIP ROM #003 $8000 $2000 $2010 (32k ROMs only)
*
* cartconv produced this from 2011 to 12/2015:
*
* offset sig type bank start size chunklen
* $000040 CHIP ROM #000 $8000 $2000 $2010
* $002050 CHIP ROM #000 $a000 $2000 $2010
* $004060 CHIP ROM #001 $8000 $2000 $2010 (32k ROMs only)
* $006070 CHIP ROM #001 $a000 $2000 $2010 (32k ROMs only)
*
* (new) correct format (since 12/2015):
*
* offset sig type bank start size chunklen
* $000040 CHIP ROM #000 $8000 $4000 $4010
* $004050 CHIP ROM #001 $8000 $4000 $4010 (32k ROMs only)
*
*/
int freezemachine_crt_attach(FILE *fd, BYTE *rawcart)
{
int i, pos, banks, chips;
crt_chip_header_t chip;
/* find out how many banks and chips are in the file */
/* FIXME: this is kindof ugly, perhaps make it a generic function */
banks = 0;
pos = ftell(fd);
for (chips = 0; chips < 4; chips++) {
if (crt_read_chip_header(&chip, fd)) {
break;
}
if (crt_read_chip(rawcart, 0, &chip, fd)) {
return -1;
}
if (chip.bank > banks) {
banks = chip.bank;
}
}
banks++;
DBG(("fm attach: %d banks, %d chips found\n", banks, chips));
if ((chips != 1) && (chips != 2) && (chips != 4)) {
DBG(("fm attach: wrong number of chips\n"));
return -1;
}
fseek(fd, pos, SEEK_SET);
for (i = 0; i < chips; i++) {
if (crt_read_chip_header(&chip, fd)) {
return -1;
}
DBG(("fm attach: chip.size %04x\n", chip.size));
/* first the new format */
if ((chip.size == 0x4000) && (((chips == 1) && (banks == 1)) || ((chips == 2) && (banks == 2)))) {
if ((chip.bank > 1) || (chip.start != 0x8000)) {
return -1;
}
if (crt_read_chip(rawcart, (chip.bank << 14), &chip, fd)) {
return -1;
}
allow_toggle = (chips == 2);
/* older format */
} else if ((chip.size == 0x2000) && (((chips == 2) && (banks == 1)) || ((chips == 4) && (banks == 2)))) {
if ((chip.bank > 1) || ((chip.start != 0x8000) && (chip.start != 0xa000))) {
return -1;
}
if (crt_read_chip(rawcart, (chip.start & 0x2000) + (chip.bank << 14), &chip, fd)) {
return -1;
}
allow_toggle = (chips == 4);
/* very old format */
} else if ((chip.size == 0x2000) && (((chips == 2) && (banks == 2)) || ((chips == 4) && (banks == 4)))) {
if ((chip.bank > 3) || (chip.start != 0x8000)) {
return -1;
}
if (crt_read_chip(rawcart, chip.bank << 13, &chip, fd)) {
return -1;
}
allow_toggle = (chips == 4);
} else {
return -1;
}
}
return freezemachine_common_attach();
}
