Examples with ObservableValue de.neemann.digital.core.ObservableValue used on opensource projects

Example 6 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class MultiplexerTest method testMux2.

public void testMux2() throws Exception {
    ObservableValue a = new ObservableValue("a", 4);
    ObservableValue b = new ObservableValue("b", 4);
    ObservableValue c = new ObservableValue("c", 4);
    ObservableValue d = new ObservableValue("d", 4);
    ObservableValue sel = new ObservableValue("sel", 1);
    FanIn out = new Multiplexer(new ElementAttributes().set(Keys.BITS, 4).set(Keys.SELECTOR_BITS, 2));
    try {
        out.setInputs(ovs(a, b, c, d, sel));
        assertTrue(false);
    } catch (BitsException e) {
        assertTrue(true);
    }
}

Example 7 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class PriorityEncoderTest method testEncoder4.

public void testEncoder4() throws Exception {
    Model model = new Model();
    ObservableValue d0 = new ObservableValue("d0", 1);
    ObservableValue d1 = new ObservableValue("d1", 1);
    ObservableValue d2 = new ObservableValue("d2", 1);
    ObservableValue d3 = new ObservableValue("d3", 1);
    PriorityEncoder out = model.add(new PriorityEncoder(new ElementAttributes().set(Keys.SELECTOR_BITS, 2)));
    out.setInputs(ovs(d0, d1, d2, d3));
    TestExecuter te = new TestExecuter(model).setInputs(d3, d2, d1, d0).setOutputs(out.getOutputs());
    te.check(0, 0, 0, 0, 0, 0);
    te.check(0, 0, 0, 1, 0, 1);
    te.check(0, 0, 1, 0, 1, 1);
    te.check(0, 0, 1, 1, 1, 1);
    te.check(0, 1, 0, 0, 2, 1);
    te.check(0, 1, 0, 1, 2, 1);
    te.check(0, 1, 1, 0, 2, 1);
    te.check(0, 1, 1, 1, 2, 1);
    te.check(1, 0, 0, 0, 3, 1);
    te.check(1, 0, 0, 1, 3, 1);
    te.check(1, 0, 1, 0, 3, 1);
    te.check(1, 0, 1, 1, 3, 1);
    te.check(1, 1, 0, 0, 3, 1);
    te.check(1, 1, 0, 1, 3, 1);
    te.check(1, 1, 1, 0, 3, 1);
    te.check(1, 1, 1, 1, 3, 1);
}

Example 8 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class Splitter1Test method testMoreBits.

public void testMoreBits() throws Exception {
    ObservableValue a = new ObservableValue("a", 4);
    ObservableValue b = new ObservableValue("b", 4);
    ObservableValue c = new ObservableValue("c", 4);
    ObservableValue d = new ObservableValue("d", 4);
    Splitter splitter = new Splitter(new ElementAttributes().set(Keys.INPUT_SPLIT, "4,4,4,4").set(Keys.OUTPUT_SPLIT, "16"));
    splitter.setInputs(ovs(a, b, c, d));
    assertEquals(1, a.observerCount());
    assertEquals(1, b.observerCount());
    assertEquals(1, c.observerCount());
    assertEquals(1, d.observerCount());
    ObservableValues outputs = splitter.getOutputs();
    assertEquals(1, outputs.size());
    TestExecuter sc = new TestExecuter().setInputs(d, c, b, a).setOutputsOf(splitter);
    sc.check(0, 0, 0, 0, 0x0000);
    sc.check(0, 0, 0, 1, 0x0001);
    sc.check(0, 0, 1, 0, 0x0010);
    sc.check(0, 1, 0, 0, 0x0100);
    sc.check(1, 0, 0, 0, 0x1000);
    sc.check(0, 0, 0, 15, 0x000F);
    sc.check(0, 0, 15, 0, 0x00F0);
    sc.check(0, 15, 0, 0, 0x0F00);
    sc.check(15, 0, 0, 0, 0xF000);
}

Example 9 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class Splitter1Test method testBits.

public void testBits() throws Exception {
    ObservableValue a = new ObservableValue("a", 1);
    ObservableValue b = new ObservableValue("b", 1);
    ObservableValue c = new ObservableValue("c", 1);
    ObservableValue d = new ObservableValue("d", 1);
    Splitter splitter = new Splitter(new ElementAttributes().set(Keys.INPUT_SPLIT, "1,1,1,1").set(Keys.OUTPUT_SPLIT, "4"));
    splitter.setInputs(ovs(a, b, c, d));
    assertEquals(1, a.observerCount());
    assertEquals(1, b.observerCount());
    assertEquals(1, c.observerCount());
    assertEquals(1, d.observerCount());
    ObservableValues outputs = splitter.getOutputs();
    assertEquals(1, outputs.size());
    TestExecuter sc = new TestExecuter().setInputs(a, b, c, d).setOutputsOf(splitter);
    sc.check(0, 0, 0, 0, 0);
    sc.check(1, 0, 0, 0, 1);
    sc.check(0, 1, 0, 0, 2);
    sc.check(0, 0, 1, 0, 4);
    sc.check(0, 0, 0, 1, 8);
    sc.check(1, 1, 0, 0, 3);
    sc.check(1, 1, 1, 0, 7);
    sc.check(1, 1, 1, 1, 15);
    sc.check(0, 0, 1, 1, 12);
    sc.check(0, 1, 1, 1, 14);
}

Example 10 with ObservableValue

use of de.neemann.digital.core.ObservableValue in project Digital by hneemann.

the class Splitter1Test method testBitMismatch.

public void testBitMismatch() throws NodeException {
    ObservableValue a = new ObservableValue("a", 1);
    ObservableValue b = new ObservableValue("b", 1);
    Splitter splitter = new Splitter(new ElementAttributes().set(Keys.INPUT_SPLIT, "1,1").set(Keys.OUTPUT_SPLIT, "3"));
    try {
        splitter.setInputs(ovs(a, b));
        fail("splitter bit mismatch not detected!");
    } catch (BitsException e) {
        assertTrue(true);
    }
}