Method draw

src/main/java/jace/core/Video.java:227–233

(int xVal)

    public static int hblankOffsetY = 1;

    private void draw(int xVal) {
        if (lineDirty || forceRedrawRowCount > 0 || currentWriter.isRowDirty(y)) {
            lineDirty = true;
            currentWriter.displayByte(video, xVal, y, textOffset[y], hiresOffset[y]);
        }
        doPostDraw();
    }

    static public int calculateHiresOffset(int y) {
        return calculateTextOffset(y >> 3) + ((y & 7) << 10);