use of de.neemann.digital.core.Model in project Digital by hneemann.
the class LUTTest method testLut.
public void testLut() throws Exception {
ObservableValue a = new ObservableValue("a", 1);
ObservableValue b = new ObservableValue("b", 1);
ObservableValue c = new ObservableValue("c", 1);
Model model = new Model();
DataField data = new DataField(8);
data.setData(3, 1);
data.setData(7, 1);
LookUpTable out = model.add(new LookUpTable(new ElementAttributes().setBits(1).set(Keys.DATA, data)));
out.setInputs(ovs(a, b));
TestExecuter sc = new TestExecuter(model).setInputs(a, b, c).setOutputs(out.getOutputs());
sc.check(0, 0, 0, 0);
sc.check(1, 0, 0, 0);
sc.check(0, 1, 0, 0);
sc.check(1, 1, 0, 1);
sc.check(0, 0, 1, 0);
sc.check(1, 0, 1, 0);
sc.check(0, 1, 1, 0);
sc.check(1, 1, 1, 1);
}
use of de.neemann.digital.core.Model in project Digital by hneemann.
the class ROMTest method testROM.
public void testROM() throws Exception {
ObservableValue addr = new ObservableValue("addr", 3);
ObservableValue sel = new ObservableValue("sel", 1);
Model model = new Model();
DataField data = new DataField(8);
data.setData(3, 17);
data.setData(7, 200);
ROM out = model.add(new ROM(new ElementAttributes().setBits(8).set(Keys.ADDR_BITS, 3).set(Keys.DATA, data)));
out.setInputs(ovs(addr, sel));
TestExecuter sc = new TestExecuter(model).setInputs(addr, sel).setOutputs(out.getOutputs());
sc.check(0, 1, 0);
sc.check(1, 1, 0);
sc.check(2, 1, 0);
sc.check(3, 1, 17);
sc.check(4, 1, 0);
sc.check(5, 1, 0);
sc.check(6, 1, 0);
// try { ToDo HighZ
// sc.check(6, 0, 0);
// assertTrue(false);
// } catch (HighZException e) {
// assertTrue(true);
// }
}
use of de.neemann.digital.core.Model in project Digital by hneemann.
the class RegisterFileTest method testRegisterFile.
public void testRegisterFile() throws Exception {
ObservableValue ra = new ObservableValue("ra", 2);
ObservableValue rb = new ObservableValue("rb", 2);
ObservableValue rw = new ObservableValue("rw", 2);
ObservableValue in = new ObservableValue("in", 4);
ObservableValue we = new ObservableValue("we", 1);
ObservableValue clk = new ObservableValue("clk", 1);
Model model = new Model();
RegisterFile out = model.add(new RegisterFile(new ElementAttributes().set(Keys.ADDR_BITS, 2).setBits(4)));
out.setInputs(ovs(in, we, rw, clk, ra, rb));
TestExecuter sc = new TestExecuter(model).setInputs(clk, in, we, rw, ra, rb).setOutputs(out.getOutputs());
// c in we rw ra rb da db
sc.check(0, 0, 0, 0, 0, 0, 0, 0);
sc.check(1, 7, 1, 1, 0, 0, 0, 0);
sc.check(0, 0, 0, 0, 1, 1, 7, 7);
sc.check(1, 5, 1, 2, 1, 1, 7, 7);
sc.check(0, 0, 0, 0, 1, 2, 7, 5);
}
use of de.neemann.digital.core.Model in project Digital by hneemann.
the class BitSelectorTest method testBitSel.
public void testBitSel() throws Exception {
Model model = new Model();
ObservableValue d = new ObservableValue("d", 4);
ObservableValue sel = new ObservableValue("sel", 2);
BitSelector out = model.add(new BitSelector(new ElementAttributes().set(Keys.SELECTOR_BITS, 2)));
out.setInputs(ovs(d, sel));
TestExecuter te = new TestExecuter(model).setInputs(d, sel).setOutputs(out.getOutputs());
te.check(5, 0, 1);
te.check(5, 1, 0);
te.check(5, 2, 1);
te.check(5, 3, 0);
te.check(10, 0, 0);
te.check(10, 1, 1);
te.check(10, 2, 0);
te.check(10, 3, 1);
}
use of de.neemann.digital.core.Model in project Digital by hneemann.
the class DataBusTest method testSimple.
public void testSimple() throws PinException, NodeException {
ObservableValue a = new ObservableValue("a", 4).setToHighZ();
ObservableValue b = new ObservableValue("b", 4).setToHighZ();
Model m = new Model();
ObservableValue out = new DataBus(null, m, a, b).getReadableOutput();
a.setValue(1);
assertEquals(1, out.getValue());
a.setToHighZ();
b.setValue(2);
assertEquals(2, out.getValue());
b.setToHighZ();
// try { ToDo HighZ
// out.getValue();
// assertTrue(false);
// } catch (HighZException e) {
// assertTrue(true);
// }
a.setValue(1);
b.setValue(1);
m.doStep();
a.setValue(0);
b.setValue(0);
m.doStep();
a.setValue(1);
b.setValue(0);
try {
m.doStep();
assertTrue(true);
} catch (BurnException e) {
assertTrue(true);
}
}
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