Examples with ElementAttributes de.neemann.digital.core.element.ElementAttributes used on opensource projects

Example 46 with ElementAttributes

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

the class BitCountTest method testBitCount.

public void testBitCount() throws Exception {
    ObservableValue a = new ObservableValue("a", 6);
    Model model = new Model();
    BitCount node = new BitCount(new ElementAttributes().setBits(6));
    node.setInputs(a.asList());
    model.add(node);
    ObservableValues outputs = node.getOutputs();
    assertEquals(1, outputs.size());
    assertEquals(3, outputs.get(0).getBits());
    TestExecuter sc = new TestExecuter(model).setInputs(a).setOutputs(outputs);
    sc.check(0, 0);
    sc.check(1, 1);
    sc.check(2, 1);
    sc.check(4, 1);
    sc.check(8, 1);
    sc.check(16, 1);
    sc.check(32, 1);
    sc.check(3, 2);
    sc.check(6, 2);
    sc.check(12, 2);
    sc.check(24, 2);
    sc.check(48, 2);
    sc.check(63, 6);
    sc.check(255, 6);
}

Example 47 with ElementAttributes

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

the class BitExtenderTest method testSignExtend.

public void testSignExtend() throws Exception {
    ObservableValue in = new ObservableValue("in", 4);
    BitExtender bitExtender = new BitExtender(new ElementAttributes().set(Keys.INPUT_BITS, 4).set(Keys.OUTPUT_BITS, 8));
    bitExtender.setInputs(in.asList());
    assertEquals(1, bitExtender.getOutputs().size());
    ObservableValue out = bitExtender.getOutputs().get(0);
    check(in, out, 0, 0);
    check(in, out, 1, 1);
    check(in, out, 7, 7);
    check(in, out, 8, -8 & 0xff);
    check(in, out, 9, -7 & 0xff);
    check(in, out, -1, -1 & 0xff);
    check(in, out, -2, -2 & 0xff);
}

Example 48 with ElementAttributes

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

the class BitExtenderTest method testSignExtendError.

public void testSignExtendError() throws Exception {
    try {
        ObservableValue in = new ObservableValue("in", 4);
        new BitExtender(new ElementAttributes().set(Keys.OUTPUT_BITS, 4)).setInputs(in.asList());
        fail();
    } catch (NodeException e) {
    }
}

Example 49 with ElementAttributes

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

the class BitExtenderTest method testSignExtendInit.

public void testSignExtendInit() throws Exception {
    ObservableValue in = new ObservableValue("in", 4).setValue(1);
    BitExtender bitExtender = new BitExtender(new ElementAttributes().set(Keys.INPUT_BITS, 4).set(Keys.OUTPUT_BITS, 8));
    bitExtender.setInputs(in.asList());
    assertEquals(1, bitExtender.getOutputs().get(0).getValue());
}

Example 50 with ElementAttributes

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

the class ComparatorTest method testCompSigned.

public void testCompSigned() throws Exception {
    ObservableValue a = new ObservableValue("a", 4);
    ObservableValue b = new ObservableValue("b", 4);
    Model model = new Model();
    Comparator node = new Comparator(new ElementAttributes().setBits(4).set(Keys.SIGNED, true));
    node.setInputs(ovs(a, b));
    model.add(node);
    TestExecuter sc = new TestExecuter(model).setInputs(a, b).setOutputs(node.getOutputs());
    sc.check(0, 0, 0, 1, 0);
    sc.check(1, 0, 1, 0, 0);
    sc.check(1, 2, 0, 0, 1);
    sc.check(7, 2, 1, 0, 0);
    sc.check(8, 2, 0, 0, 1);
    sc.check(15, 2, 0, 0, 1);
    sc.check(13, 15, 0, 0, 1);
    sc.check(-2, -3, 1, 0, 0);
    sc.check(-7, -8, 1, 0, 0);
}