Examples with Value com.cburch.logisim.data.Value used on opensource projects

Example 31 with Value

use of com.cburch.logisim.data.Value in project logisim-evolution by reds-heig.

the class Button method propagate.

@Override
public void propagate(InstanceState state) {
    InstanceDataSingleton data = (InstanceDataSingleton) state.getData();
    Value val = data == null ? Value.FALSE : (Value) data.getValue();
    state.setPort(0, val, 1);
}

Example 32 with Value

use of com.cburch.logisim.data.Value in project logisim-evolution by reds-heig.

the class DotMatrix method paintInstance.

@Override
public void paintInstance(InstancePainter painter) {
    Color onColor = painter.getAttributeValue(Io.ATTR_ON_COLOR);
    Color offColor = painter.getAttributeValue(Io.ATTR_OFF_COLOR);
    boolean drawSquare = painter.getAttributeValue(ATTR_DOT_SHAPE) == SHAPE_SQUARE;
    State data = getState(painter);
    long ticks = painter.getTickCount();
    Bounds bds = painter.getBounds();
    boolean showState = painter.getShowState();
    Graphics g = painter.getGraphics();
    int rows = data.rows;
    int cols = data.cols;
    for (int j = 0; j < rows; j++) {
        for (int i = 0; i < cols; i++) {
            int x = bds.getX() + 10 * i;
            int y = bds.getY() + 10 * j;
            if (showState) {
                Value val = data.get(j, i, ticks);
                Color c;
                if (val == Value.TRUE)
                    c = onColor;
                else if (val == Value.FALSE)
                    c = offColor;
                else
                    c = Value.ERROR_COLOR;
                g.setColor(c);
                if (drawSquare)
                    g.fillRect(x, y, 10, 10);
                else
                    g.fillOval(x + 1, y + 1, 8, 8);
            } else {
                g.setColor(Color.GRAY);
                g.fillOval(x + 1, y + 1, 8, 8);
            }
        }
    }
    g.setColor(Color.BLACK);
    GraphicsUtil.switchToWidth(g, 2);
    g.drawRect(bds.getX(), bds.getY(), bds.getWidth(), bds.getHeight());
    GraphicsUtil.switchToWidth(g, 1);
    painter.drawPorts();
}

Example 33 with Value

use of com.cburch.logisim.data.Value in project logisim-evolution by reds-heig.

the class HexDigit method propagate.

@Override
public void propagate(InstanceState state) {
    int summary = 0;
    Value baseVal = state.getPortValue(0);
    if (baseVal == null)
        baseVal = Value.createUnknown(BitWidth.create(4));
    // each nibble is one segment, in top-down, left-to-right
    int segs;
    // order: middle three nibbles are the three horizontal segments
    switch(baseVal.toIntValue()) {
        case 0:
            segs = 0x1110111;
            break;
        case 1:
            segs = 0x0000011;
            break;
        case 2:
            segs = 0x0111110;
            break;
        case 3:
            segs = 0x0011111;
            break;
        case 4:
            segs = 0x1001011;
            break;
        case 5:
            segs = 0x1011101;
            break;
        case 6:
            segs = 0x1111101;
            break;
        case 7:
            segs = 0x0010011;
            break;
        case 8:
            segs = 0x1111111;
            break;
        case 9:
            segs = 0x1011011;
            break;
        case 10:
            segs = 0x1111011;
            break;
        case 11:
            segs = 0x1101101;
            break;
        case 12:
            segs = 0x1110100;
            break;
        case 13:
            segs = 0x0101111;
            break;
        case 14:
            segs = 0x1111100;
            break;
        case 15:
            segs = 0x1111000;
            break;
        default:
            segs = 0x0001000;
            // a dash '-'
            break;
    }
    if ((segs & 0x1) != 0)
        // vertical seg in bottom right
        summary |= 4;
    if ((segs & 0x10) != 0)
        // vertical seg in top right
        summary |= 2;
    if ((segs & 0x100) != 0)
        // horizontal seg at bottom
        summary |= 8;
    if ((segs & 0x1000) != 0)
        // horizontal seg at middle
        summary |= 64;
    if ((segs & 0x10000) != 0)
        // horizontal seg at top
        summary |= 1;
    if ((segs & 0x100000) != 0)
        // vertical seg at bottom left
        summary |= 16;
    if ((segs & 0x1000000) != 0)
        // vertical seg at top left
        summary |= 32;
    Object value = Integer.valueOf(summary);
    InstanceDataSingleton data = (InstanceDataSingleton) state.getData();
    if (data == null) {
        state.setData(new InstanceDataSingleton(value));
    } else {
        data.setValue(value);
    }
}

Example 34 with Value

use of com.cburch.logisim.data.Value in project logisim-evolution by reds-heig.

the class Keyboard method propagate.

@Override
public void propagate(InstanceState circState) {
    Object trigger = circState.getAttributeValue(StdAttr.EDGE_TRIGGER);
    KeyboardData state = getKeyboardState(circState);
    Value clear = circState.getPortValue(CLR);
    Value clock = circState.getPortValue(CK);
    Value enable = circState.getPortValue(RE);
    char c;
    synchronized (state) {
        Value lastClock = state.setLastClock(clock);
        if (clear == Value.TRUE) {
            state.clear();
        } else if (enable != Value.FALSE) {
            boolean go;
            if (trigger == StdAttr.TRIG_FALLING) {
                go = lastClock == Value.TRUE && clock == Value.FALSE;
            } else {
                go = lastClock == Value.FALSE && clock == Value.TRUE;
            }
            if (go)
                state.dequeue();
        }
        c = state.getChar(0);
    }
    Value out = Value.createKnown(BitWidth.create(7), c & 0x7F);
    circState.setPort(OUT, out, DELAY0);
    circState.setPort(AVL, c != '\0' ? Value.TRUE : Value.FALSE, DELAY1);
}

Example 35 with Value

use of com.cburch.logisim.data.Value in project logisim-evolution by reds-heig.

the class Adder method computeSum.

static Value[] computeSum(BitWidth width, Value a, Value b, Value c_in) {
    int w = width.getWidth();
    if (c_in == Value.UNKNOWN || c_in == Value.NIL)
        c_in = Value.FALSE;
    if (a.isFullyDefined() && b.isFullyDefined() && c_in.isFullyDefined()) {
        if (w >= 32) {
            long mask = (1L << w) - 1;
            long ax = (long) a.toIntValue() & mask;
            long bx = (long) b.toIntValue() & mask;
            long cx = (long) c_in.toIntValue() & mask;
            long sum = ax + bx + cx;
            return new Value[] { Value.createKnown(width, (int) sum), ((sum >> w) & 1) == 0 ? Value.FALSE : Value.TRUE };
        } else {
            int sum = a.toIntValue() + b.toIntValue() + c_in.toIntValue();
            return new Value[] { Value.createKnown(width, sum), ((sum >> w) & 1) == 0 ? Value.FALSE : Value.TRUE };
        }
    } else {
        Value[] bits = new Value[w];
        Value carry = c_in;
        for (int i = 0; i < w; i++) {
            if (carry == Value.ERROR) {
                bits[i] = Value.ERROR;
            } else if (carry == Value.UNKNOWN) {
                bits[i] = Value.UNKNOWN;
            } else {
                Value ab = a.get(i);
                Value bb = b.get(i);
                if (ab == Value.ERROR || bb == Value.ERROR) {
                    bits[i] = Value.ERROR;
                    carry = Value.ERROR;
                } else if (ab == Value.UNKNOWN || bb == Value.UNKNOWN) {
                    bits[i] = Value.UNKNOWN;
                    carry = Value.UNKNOWN;
                } else {
                    int sum = (ab == Value.TRUE ? 1 : 0) + (bb == Value.TRUE ? 1 : 0) + (carry == Value.TRUE ? 1 : 0);
                    bits[i] = (sum & 1) == 1 ? Value.TRUE : Value.FALSE;
                    carry = (sum >= 2) ? Value.TRUE : Value.FALSE;
                }
            }
        }
        return new Value[] { Value.create(bits), carry };
    }
}