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

Example 16 with BitWidth

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

the class Decoder method paintInstance.

@Override
public void paintInstance(InstancePainter painter) {
    Graphics g = painter.getGraphics();
    Bounds bds = painter.getBounds();
    Direction facing = painter.getAttributeValue(StdAttr.FACING);
    Object selectLoc = painter.getAttributeValue(Plexers.ATTR_SELECT_LOC);
    BitWidth select = painter.getAttributeValue(Plexers.ATTR_SELECT);
    boolean enable = painter.getAttributeValue(Plexers.ATTR_ENABLE).booleanValue();
    int selMult = selectLoc == Plexers.SELECT_TOP_RIGHT ? -1 : 1;
    int outputs = 1 << select.getWidth();
    // draw stubs for select and enable ports
    GraphicsUtil.switchToWidth(g, 3);
    boolean vertical = facing == Direction.NORTH || facing == Direction.SOUTH;
    int dx = vertical ? selMult : 0;
    int dy = vertical ? 0 : -selMult;
    if (outputs == 2) {
        // draw select wire
        if (painter.getShowState()) {
            g.setColor(painter.getPortValue(outputs).getColor());
        }
        Location pt = painter.getInstance().getPortLocation(outputs);
        g.drawLine(pt.getX(), pt.getY(), pt.getX() + 2 * dx, pt.getY() + 2 * dy);
    }
    if (enable) {
        Location en = painter.getInstance().getPortLocation(outputs + 1);
        int len = outputs == 2 ? 6 : 4;
        if (painter.getShowState()) {
            g.setColor(painter.getPortValue(outputs + 1).getColor());
        }
        g.drawLine(en.getX(), en.getY(), en.getX() + len * dx, en.getY() + len * dy);
    }
    GraphicsUtil.switchToWidth(g, 1);
    // draw a circle indicating where the select input is located
    Multiplexer.drawSelectCircle(g, bds, painter.getInstance().getPortLocation(outputs));
    // draw "0"
    int x0;
    int y0;
    int halign;
    if (facing == Direction.WEST) {
        x0 = 3;
        y0 = 15 + (outputs == 2 ? 5 : 0);
        halign = GraphicsUtil.H_LEFT;
    } else if (facing == Direction.NORTH) {
        x0 = 10 + (outputs == 2 ? 5 : 0);
        y0 = 15;
        halign = GraphicsUtil.H_CENTER;
    } else if (facing == Direction.SOUTH) {
        x0 = 10 + (outputs == 2 ? 5 : 0);
        y0 = bds.getHeight() - 3;
        halign = GraphicsUtil.H_CENTER;
    } else {
        x0 = bds.getWidth() - 3;
        y0 = 15 + (outputs == 2 ? 5 : 0);
        halign = GraphicsUtil.H_RIGHT;
    }
    g.setColor(Color.GRAY);
    GraphicsUtil.drawText(g, "0", bds.getX() + x0, bds.getY() + y0, halign, GraphicsUtil.V_BASELINE);
    // draw trapezoid, "Decd", and ports
    g.setColor(Color.BLACK);
    if (outputs == 2) {
        if (facing == Direction.EAST || facing == Direction.WEST) {
            Plexers.drawTrapezoid(g, Bounds.create(bds.getX(), bds.getY() + 5, bds.getWidth(), bds.getHeight() - 10), facing.reverse(), 10);
        } else {
            Plexers.drawTrapezoid(g, Bounds.create(bds.getX() + 5, bds.getY(), bds.getWidth() - 10, bds.getHeight()), facing.reverse(), 10);
        }
    } else {
        Plexers.drawTrapezoid(g, bds, facing.reverse(), 20);
    }
    GraphicsUtil.drawCenteredText(g, "Decd", bds.getX() + bds.getWidth() / 2, bds.getY() + bds.getHeight() / 2);
    painter.drawPorts();
}

Example 17 with BitWidth

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

the class BitExtender method propagate.

@Override
public void propagate(InstanceState state) {
    Value in = state.getPortValue(1);
    BitWidth wout = state.getAttributeValue(ATTR_OUT_WIDTH);
    String type = getType(state.getAttributeSet());
    Value extend;
    if (type.equals("one")) {
        extend = Value.TRUE;
    } else if (type.equals("sign")) {
        int win = in.getWidth();
        extend = win > 0 ? in.get(win - 1) : Value.ERROR;
    } else if (type.equals("input")) {
        extend = state.getPortValue(2);
        if (extend.getWidth() != 1)
            extend = Value.ERROR;
    } else {
        extend = Value.FALSE;
    }
    Value out = in.extendWidth(wout.getWidth(), extend);
    state.setPort(0, out, 1);
}

Example 18 with BitWidth

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

the class Constant method getOffsetBounds.

@Override
public Bounds getOffsetBounds(AttributeSet attrs) {
    Direction facing = attrs.getValue(StdAttr.FACING);
    BitWidth width = attrs.getValue(StdAttr.WIDTH);
    int chars = (width.getWidth() + 3) / 4;
    Bounds ret = null;
    if (facing == Direction.EAST) {
        switch(chars) {
            case 1:
                ret = Bounds.create(-16, -8, 16, 16);
                break;
            case 2:
                ret = Bounds.create(-16, -8, 16, 16);
                break;
            case 3:
                ret = Bounds.create(-26, -8, 26, 16);
                break;
            case 4:
                ret = Bounds.create(-36, -8, 36, 16);
                break;
            case 5:
                ret = Bounds.create(-46, -8, 46, 16);
                break;
            case 6:
                ret = Bounds.create(-56, -8, 56, 16);
                break;
            case 7:
                ret = Bounds.create(-66, -8, 66, 16);
                break;
            case 8:
                ret = Bounds.create(-76, -8, 76, 16);
                break;
        }
    } else if (facing == Direction.WEST) {
        switch(chars) {
            case 1:
                ret = Bounds.create(0, -8, 16, 16);
                break;
            case 2:
                ret = Bounds.create(0, -8, 16, 16);
                break;
            case 3:
                ret = Bounds.create(0, -8, 26, 16);
                break;
            case 4:
                ret = Bounds.create(0, -8, 36, 16);
                break;
            case 5:
                ret = Bounds.create(0, -8, 46, 16);
                break;
            case 6:
                ret = Bounds.create(0, -8, 56, 16);
                break;
            case 7:
                ret = Bounds.create(0, -8, 66, 16);
                break;
            case 8:
                ret = Bounds.create(0, -8, 76, 16);
                break;
        }
    } else if (facing == Direction.SOUTH) {
        switch(chars) {
            case 1:
                ret = Bounds.create(-8, -16, 16, 16);
                break;
            case 2:
                ret = Bounds.create(-8, -16, 16, 16);
                break;
            case 3:
                ret = Bounds.create(-13, -16, 26, 16);
                break;
            case 4:
                ret = Bounds.create(-18, -16, 36, 16);
                break;
            case 5:
                ret = Bounds.create(-23, -16, 46, 16);
                break;
            case 6:
                ret = Bounds.create(-28, -16, 56, 16);
                break;
            case 7:
                ret = Bounds.create(-33, -16, 66, 16);
                break;
            case 8:
                ret = Bounds.create(-38, -16, 76, 16);
                break;
        }
    } else if (facing == Direction.NORTH) {
        switch(chars) {
            case 1:
                ret = Bounds.create(-8, 0, 16, 16);
                break;
            case 2:
                ret = Bounds.create(-8, 0, 16, 16);
                break;
            case 3:
                ret = Bounds.create(-13, 0, 26, 16);
                break;
            case 4:
                ret = Bounds.create(-18, 0, 36, 16);
                break;
            case 5:
                ret = Bounds.create(-23, 0, 46, 16);
                break;
            case 6:
                ret = Bounds.create(-28, 0, 56, 16);
                break;
            case 7:
                ret = Bounds.create(-33, 0, 66, 16);
                break;
            case 8:
                ret = Bounds.create(-38, 0, 76, 16);
                break;
        }
    }
    if (ret == null) {
        throw new IllegalArgumentException("unrecognized arguments " + facing + " " + width);
    }
    return ret;
}

Example 19 with BitWidth

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

the class ConstantConfigurator method getMaximumValue.

@Override
public int getMaximumValue(AttributeSet attrs) {
    BitWidth width = attrs.getValue(StdAttr.WIDTH);
    int ret = width.getMask();
    if (ret >= 0) {
        return ret;
    } else {
        return Integer.MAX_VALUE;
    }
}

Example 20 with BitWidth

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

the class Register method propagate.

@Override
public void propagate(InstanceState state) {
    BitWidth dataWidth = state.getAttributeValue(StdAttr.WIDTH);
    Object triggerType = state.getAttributeValue(StdAttr.TRIGGER);
    RegisterData data = (RegisterData) state.getData();
    if (data == null) {
        data = new RegisterData(dataWidth);
        state.setData(data);
    }
    boolean triggered = data.updateClock(state.getPortValue(CK), triggerType);
    if (state.getPortValue(CLR) == Value.TRUE) {
        data.value = Value.createKnown(dataWidth, 0);
    } else if (triggered && state.getPortValue(EN) != Value.FALSE) {
        Value in = state.getPortValue(IN);
        data.value = in;
    }
    state.setPort(OUT, data.value, DELAY);
}