2025-05-28 23:19:08 +02:00

225 lines
9.8 KiB
C

#include "../neonucleus.h"
nn_eepromControl nn_eeprom_getControl(nn_component *component, nn_eeprom *eeprom) {
return eeprom->control(component, eeprom->userdata);
}
void nn_eeprom_destroy(void *_, nn_component *component, nn_eeprom *eeprom) {
if(!nn_decRef(&eeprom->refc)) return;
if(eeprom->deinit == NULL) {
eeprom->deinit(component, eeprom->userdata);
}
}
void nn_eeprom_getSize(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
nn_return(computer, nn_values_integer(eeprom->getSize(component, eeprom->userdata)));
// Latency, energy costs and stuff
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_busySleep(control.readLatency);
nn_removeEnergy(computer, control.readEnergyCost);
nn_callCost(computer, control.readCost);
}
void nn_eeprom_getDataSize(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
nn_return(computer, nn_values_integer(eeprom->getDataSize(component, eeprom->userdata)));
// Latency, energy costs and stuff
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_busySleep(control.readLatency);
nn_removeEnergy(computer, control.readEnergyCost);
nn_callCost(computer, control.readCost);
}
void nn_eeprom_getLabel(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
char buf[NN_LABEL_SIZE];
size_t l = NN_LABEL_SIZE;
eeprom->getLabel(component, eeprom->userdata, buf, &l);
if(l == 0) {
nn_return(computer, nn_values_nil());
} else {
nn_return(computer, nn_values_string(buf, l));
}
// Latency, energy costs and stuff
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_busySleep(control.readLatency);
nn_removeEnergy(computer, control.readEnergyCost);
nn_callCost(computer, control.readCost);
}
void nn_eeprom_setLabel(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
size_t l = 0;
nn_value label = nn_getArgument(computer, 0);
const char *buf = nn_toString(label, &l);
if(buf == NULL) {
nn_setCError(computer, "bad label (string expected)");
return;
}
l = eeprom->setLabel(component, eeprom->userdata, buf, l);
nn_return(computer, nn_values_string(buf, l));
// Latency, energy costs and stuff
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_busySleep(control.writeLatency);
nn_removeEnergy(computer, control.writeEnergyCost);
nn_addHeat(computer, control.writeHeatCost);
nn_callCost(computer, control.writeCost);
}
void nn_eeprom_get(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
size_t cap = eeprom->getSize(component, eeprom->userdata);
char *buf = nn_malloc(cap);
if(buf == NULL) {
nn_setCError(computer, "out of memory");
return;
}
size_t len = eeprom->get(component, eeprom->userdata, buf);
nn_return(computer, nn_values_string(buf, len));
nn_free(buf);
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_busySleep(control.readLatency);
nn_removeEnergy(computer, control.readEnergyCost);
nn_callCost(computer, control.readCost);
}
void nn_eeprom_set(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
nn_value data = nn_getArgument(computer, 0);
size_t len;
const char *buf = nn_toString(data, &len);
if(len > eeprom->getSize(component, eeprom->userdata)) {
nn_setCError(computer, "out of space");
return;
}
if(buf == NULL) {
if(data.tag == NN_VALUE_NIL) {
buf = "";
len = 0;
} else {
nn_setCError(computer, "bad data (string expected)");
return;
}
}
eeprom->set(component, eeprom->userdata, buf, len);
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_busySleep(control.writeLatency);
nn_removeEnergy(computer, control.writeEnergyCost);
nn_addHeat(computer, control.writeHeatCost);
nn_callCost(computer, control.writeCost);
}
void nn_eeprom_getData(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
size_t cap = eeprom->getDataSize(component, eeprom->userdata);
char *buf = nn_malloc(cap);
if(buf == NULL) {
nn_setCError(computer, "out of memory");
return;
}
int len = eeprom->getData(component, eeprom->userdata, buf);
if(len < 0) {
nn_return(computer, nn_values_nil());
} else {
nn_return(computer, nn_values_string(buf, len));
}
nn_free(buf);
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_busySleep(control.readLatency);
nn_removeEnergy(computer, control.readEnergyCost);
nn_callCost(computer, control.readCost);
}
void nn_eeprom_setData(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
nn_value data = nn_getArgument(computer, 0);
size_t len = 0;
const char *buf = nn_toString(data, &len);
if(buf == NULL) {
if(data.tag == NN_VALUE_NIL) {
buf = "";
len = 0;
} else {
nn_setCError(computer, "bad data (string expected)");
return;
}
}
if(len > eeprom->getDataSize(component, eeprom->userdata)) {
nn_setCError(computer, "out of space");
return;
}
eeprom->setData(component, eeprom->userdata, buf, len);
}
void nn_eeprom_isReadOnly(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
nn_return(computer, nn_values_boolean(eeprom->isReadonly(component, eeprom->userdata)));
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_removeEnergy(computer, control.readEnergyCost);
}
void nn_eeprom_makeReadonly(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
eeprom->makeReadonly(component, eeprom->userdata);
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_removeEnergy(computer, control.writeEnergyCost);
}
// TODO: make good
void nn_eeprom_getChecksum(nn_eeprom *eeprom, void *_, nn_component *component, nn_computer *computer) {
size_t cap = eeprom->getDataSize(component, eeprom->userdata);
char *buf = nn_malloc(cap);
if(buf == NULL) {
nn_setCError(computer, "out of memory");
return;
}
size_t len = eeprom->getData(component, eeprom->userdata, buf);
size_t sum = 0;
for(size_t i = 0; i < len; i++) {
sum += buf[i];
}
nn_free(buf);
nn_return(computer, nn_values_string((void *)&sum, sizeof(sum)));
nn_eepromControl control = nn_eeprom_getControl(component, eeprom);
nn_randomLatency(control.randomLatencyMin, control.randomLatencyMax);
nn_busySleep(control.readLatency);
nn_removeEnergy(computer, control.readEnergyCost);
nn_callCost(computer, control.readCost);
}
void nn_loadEepromTable(nn_universe *universe) {
nn_componentTable *eepromTable = nn_newComponentTable("eeprom", NULL, NULL, (void *)nn_eeprom_destroy);
nn_storeUserdata(universe, "NN:EEPROM", eepromTable);
nn_defineMethod(eepromTable, "getSize", true, (void *)nn_eeprom_getSize, NULL, "getSize(): integer - Returns the maximum code capacity of the EEPROM.");
nn_defineMethod(eepromTable, "getDataSize", true, (void *)nn_eeprom_getDataSize, NULL, "getDataSize(): integer - Returns the maximum data capacity of the EEPROM.");
nn_defineMethod(eepromTable, "getLabel", false, (void *)nn_eeprom_getLabel, NULL, "getLabel(): string - Returns the current label.");
nn_defineMethod(eepromTable, "setLabel", false, (void *)nn_eeprom_setLabel, NULL, "setLabel(label: string): string - Sets the new label. Returns the actual label set to, which may be truncated.");
nn_defineMethod(eepromTable, "get", false, (void *)nn_eeprom_get, NULL, "get(): string - Reads the current code contents.");
nn_defineMethod(eepromTable, "set", false, (void *)nn_eeprom_set, NULL, "set(data: string) - Sets the current code contents.");
nn_defineMethod(eepromTable, "getData", false, (void *)nn_eeprom_getData, NULL, "getData(): string - Reads the current data contents.");
nn_defineMethod(eepromTable, "setData", false, (void *)nn_eeprom_setData, NULL, "setData(data: string) - Sets the current data contents.");
nn_defineMethod(eepromTable, "isReadOnly", false, (void *)nn_eeprom_isReadOnly, NULL, "isReadOnly(): boolean - Returns whether this EEPROM is read-only.");
nn_defineMethod(eepromTable, "makeReadOnly", false, (void *)nn_eeprom_makeReadonly, NULL, "makeReadOnly() - Makes the current EEPROM read-only. Normally, this cannot be undone.");
nn_defineMethod(eepromTable, "makeReadonly", false, (void *)nn_eeprom_makeReadonly, NULL, "makeReadonly() - Legacy alias to makeReadOnly()");
nn_defineMethod(eepromTable, "getChecksum", false, (void *)nn_eeprom_getChecksum, NULL, "getChecksum(): string - Returns a checksum of the data on the EEPROM.");
}
nn_component *nn_addEeprom(nn_computer *computer, nn_address address, int slot, nn_eeprom *eeprom) {
nn_componentTable *eepromTable = nn_queryUserdata(nn_getUniverse(computer), "NN:EEPROM");
return nn_newComponent(computer, address, slot, eepromTable, eeprom);
}