static int set_kernal_revision(int val, void *param)
{
int trapfl;
log_verbose("set_kernal_revision val:%d kernal_revision: %d", val, kernal_revision);
if(!c64rom_isloaded()) {
return 0;
}
/* disable device traps before kernal patching */
if (machine_class != VICE_MACHINE_VSID) {
resources_get_int("VirtualDevices", &trapfl);
resources_set_int("VirtualDevices", 0);
}
/* patch kernal to given revision */
if ((val != -1) && (patch_rom_idx(val) < 0)) {
val = -1;
}
memcpy(c64memrom_kernal64_trap_rom, c64memrom_kernal64_rom, C64_KERNAL_ROM_SIZE);
if (kernal_revision != val) {
machine_trigger_reset(MACHINE_RESET_MODE_HARD);
}
/* restore traps */
if (machine_class != VICE_MACHINE_VSID) {
resources_set_int("VirtualDevices", trapfl);
}
kernal_revision = val;
log_verbose("set_kernal_revision new kernal_revision: %d", kernal_revision);
return 0;
}
static int set_kernal_revision(const char *param, void *extra_param)
{
uint16_t sum; /* ROM checksum */
int id; /* ROM identification number */
int rev = C64_KERNAL_UNKNOWN;
int i = 0;
if (!param) {
return -1;
}
do {
if (strcmp(kernal_match[i].name, param) == 0) {
rev = kernal_match[i].rev;
}
i++;
} while ((rev == C64_KERNAL_UNKNOWN) && (kernal_match[i].name != NULL));
if(!c64rom_isloaded()) {
kernal_revision = rev;
return 0;
}
if (c64rom_get_kernal_chksum_id(&sum, &id) < 0) {
id = C64_KERNAL_UNKNOWN;
kernal_revision = id;
} else {
if (patch_rom_idx(rev) >= 0) {
kernal_revision = rev;
} else {
kernal_revision = id;
}
}
return 0;
}
static int set_kernal_revision(int val, void *param)
{
if(!c64rom_isloaded()) {
return 0;
}
if ((val != -1) && (patch_rom_idx(val) < 0)) {
kernal_revision = -1;
} else {
kernal_revision = val;
}
memcpy(c64memrom_kernal64_trap_rom, c64memrom_kernal64_rom, C64_KERNAL_ROM_SIZE);
return 0;
}