int vic20cart_snapshot_read_module(snapshot_t *s)
{
BYTE vmajor, vminor;
snapshot_module_t *m;
int new_cart_type, cartridge_reset;
int ret = 0;
m = snapshot_module_open(s, SNAP_MODULE_NAME, &vmajor, &vminor);
if (m == NULL) {
return -1;
}
if (vmajor != VIC20CART_DUMP_VER_MAJOR) {
snapshot_module_close(m);
return -1;
}
if (SMR_DW_INT(m, &new_cart_type) < 0) {
snapshot_module_close(m);
return -1;
}
snapshot_module_close(m);
/* disable cartridge reset while detaching old cart */
resources_get_int("CartridgeReset", &cartridge_reset);
resources_set_int("CartridgeReset", 0);
cartridge_detach_image(-1);
resources_set_int("CartridgeReset", cartridge_reset);
/* disallow "set as default" and write back */
cartridge_is_from_snapshot = 1;
vic20cart_type = new_cart_type;
mem_cartridge_type = new_cart_type;
switch (vic20cart_type) {
case CARTRIDGE_VIC20_GENERIC:
ret = generic_snapshot_read_module(s);
break;
case CARTRIDGE_VIC20_FP:
ret = vic_fp_snapshot_read_module(s);
break;
case CARTRIDGE_VIC20_MEGACART:
ret = megacart_snapshot_read_module(s);
break;
case CARTRIDGE_VIC20_FINAL_EXPANSION:
ret = finalexpansion_snapshot_read_module(s);
break;
case CARTRIDGE_NONE:
/* cart already detached, nothing to do */
break;
default:
/* unknown cart */
ret = -1;
break;
}
if (ret < 0) {
vic20cart_type = CARTRIDGE_NONE;
mem_cartridge_type = CARTRIDGE_NONE;
}
return ret;
}
int vic20cart_snapshot_read_module(snapshot_t *s)
{
BYTE vmajor, vminor;
snapshot_module_t *m;
int new_cart_type, cartridge_reset;
BYTE i;
BYTE number_of_carts;
int cart_ids[VIC20CART_DUMP_MAX_CARTS];
m = snapshot_module_open(s, SNAP_MODULE_NAME, &vmajor, &vminor);
if (m == NULL) {
return -1;
}
if (vmajor != VIC20CART_DUMP_VER_MAJOR) {
goto fail;
}
if (SMR_DW_INT(m, &new_cart_type) < 0) {
goto fail;
}
if (SMR_B(m, &number_of_carts) < 0) {
goto fail;
}
/* Not much to do if no carts in snapshot */
if (number_of_carts == 0) {
return snapshot_module_close(m);
}
if (number_of_carts > VIC20CART_DUMP_MAX_CARTS) {
DBG(("CART snapshot read: carts %i > max %i\n", number_of_carts, VIC20CART_DUMP_MAX_CARTS));
goto fail;
}
/* Read cart IDs */
for (i = 0; i < number_of_carts; i++) {
if (SMR_DW_INT(m, &cart_ids[i]) < 0) {
goto fail;
}
}
snapshot_module_close(m);
/* disable cartridge reset while detaching old cart */
resources_get_int("CartridgeReset", &cartridge_reset);
resources_set_int("CartridgeReset", 0);
cartridge_detach_image(-1);
resources_set_int("CartridgeReset", cartridge_reset);
/* disallow "set as default" and write back */
cartridge_is_from_snapshot = 1;
vic20cart_type = new_cart_type;
mem_cartridge_type = new_cart_type;
/* Read individual cart data */
for (i = 0; i < number_of_carts; i++) {
switch (cart_ids[i]) {
case CARTRIDGE_VIC20_FINAL_EXPANSION:
if (finalexpansion_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_VIC20_IO2_RAM:
if (ioramcart_io2_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_VIC20_IO3_RAM:
if (ioramcart_io3_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_VIC20_MEGACART:
if (megacart_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_VIC20_UM:
if (vic_um_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_VIC20_IEEE488:
if (vic20_ieee488_snapshot_read_module(s) < 0) {
return -1;
}
break;
#ifdef HAVE_MIDI
case CARTRIDGE_MIDI_MAPLIN:
if (vic20_midi_snapshot_read_module(s) < 0) {
return -1;
}
break;
#endif
case CARTRIDGE_VIC20_SIDCART:
if (sidcart_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_VIC20_FP:
if (vic_fp_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_ACIA:
if (aciacart_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_DIGIMAX:
if (digimax_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_DS12C887RTC:
if (ds12c887rtc_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_GEORAM:
if (georam_read_snapshot_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_SFX_SOUND_EXPANDER:
if (sfx_soundexpander_snapshot_read_module(s) < 0) {
return -1;
}
break;
case CARTRIDGE_SFX_SOUND_SAMPLER:
if (sfx_soundsampler_snapshot_read_module(s) < 0) {
return -1;
}
break;
#ifdef HAVE_TFE
case CARTRIDGE_TFE:
if (tfe_snapshot_read_module(s) < 0) {
return -1;
}
break;
#endif
}
}
if (vic20cart_type == CARTRIDGE_VIC20_GENERIC) {
if (generic_snapshot_read_module(s) < 0) {
return -1;
}
}
return 0;
fail:
snapshot_module_close(m);
return -1;
}
