1 package edu.berkeley.slipway.gui;
3 import com.atmel.fpslic.*;
4 import edu.berkeley.slipway.*;
5 import static com.atmel.fpslic.FpslicConstants.*;
6 import static com.atmel.fpslic.FpslicUtil.*;
7 import edu.berkeley.slipway.*;
9 import java.awt.geom.*;
10 import java.awt.event.*;
11 import java.awt.color.*;
12 import org.ibex.util.*;
16 import static edu.berkeley.slipway.gui.GuiConstants.*;
18 public class Gui2 extends ZoomingPanel2 implements KeyListener, MouseMotionListener {
26 private Cell[][] ca = new Cell[128][];
28 //public static final Color nonselectedcell = new Color(0x44, 0x44, 0x44);
29 public static final Color nonselectedcell = new Color(0xee, 0xee, 0xee);
30 public static final Color selectedcell = new Color(0x00, 0x00, 0x00);
32 private FtdiBoard ftdiboard;
33 public Gui2(Fpslic at40k, FtdiBoard drone) {
34 this(at40k, drone, 24, 24);
36 public Gui2(Fpslic at40k, FtdiBoard drone, int width, int height) {
39 for(int i=0; i<ca.length; i++)
40 ca[i] = new Cell[128];
41 for(int x=0; x<width; x++)
42 for(int y=0; y<height; y++)
43 new Cell(x,y, at40k.cell(x, y));
49 public boolean scanme = false;
50 public boolean xon = false;
51 public boolean yon = false;
52 public boolean xknown = false;
53 public boolean yknown = false;
55 public Cell(int x, int y, Fpslic.Cell cell) {
62 public boolean scanme() {
63 return cell.relevant();
67 //gg.color(in ? selectedcell : (scanme() ? new Color(0xbb, 0xbb, 0xbb) : nonselectedcell));
68 g.fillRect(0, 0, SIZE, SIZE);
72 if (cell.relevant() || scanme()) {
76 AffineTransform t = g.getTransform();
79 g.transform(rotateInnerTransform());
82 drawInternalRouting();
89 public void drawBuffer() {
91 if (!cell.out_relevant()) return;
93 GeneralPath p = new GeneralPath();
98 gg.color(cell.oe() == NONE ? Color.white : Color.green);
100 gg.color(Color.green);
103 gg.color(Color.magenta);
104 if (cell.oe() == V4) {
105 gg.line(24, 62, 16, 63);
106 } else if (cell.oe() == H4) {
107 gg.line(24, 67, 24, 76);
111 public void drawWires() {
113 for(int i=0; i<5; i++)
115 if (cell.hwire(i).isDriven()) {
116 gg.color(cell.out(i) ? ORANGE : MAGENTA);
117 gg.line(0, SIZE-(2*(1+RINGS)+2*i), SIZE, SIZE-(2*(1+RINGS)+2*i));
119 for(int i=0; i<5; i++)
121 if (cell.vwire(i).isDriven()) {
122 gg.color(cell.out(i) ? ORANGE : MAGENTA);
123 gg.line(2*(1+RINGS)+2*i, 0, 2*(1+RINGS)+2*i, SIZE);
125 if (cell.zi_to_xlut_relevant()) wire(cell.zi(), true);
126 if (cell.zi_to_ylut_relevant()) wire(cell.zi(), false);
127 if (cell.zi_to_xlut_relevant()) wire(cell.wi(), true);
128 if (cell.zi_to_ylut_relevant()) wire(cell.wi(), false);
131 public void wire(int plane, boolean xlut) {
132 if (!(plane >= L0 && plane <= L4 && cell.vx(plane))) return;
133 if (xlut ? xlut_relevant(cell) : cell.ylut_relevant())
134 route(new P(17 - 2*(plane-L0), 8),
135 rotateInner(xlut ? new P(38, 18) : new P(64, 18)),
139 public P corner(int corner, int size, int ring) {
141 case NW: return new P(0 +2*ring, size -2*ring);
142 case SW: return new P(0 +2*ring, 0 +2*ring);
143 case NE: return new P(size -2*ring, size -2*ring);
144 case SE: return new P(size -2*ring, 0 +2*ring);
145 default: return null;
149 public void drawInternalRouting() {
152 if (cell.fb_relevant()) {
154 gg.line(51, 74, 37, 74);
155 gg.line(37, 74, 51, 12);
156 } else if (cell.c() == XLUT) {
158 gg.line(33, 52, 51, 52);
159 gg.line(51, 52, 51, 12);
160 } else if (cell.c() == YLUT) {
162 gg.line(67, 52, 51, 52);
163 gg.line(51, 52, 51, 12);
165 gg.line(51, 56, 41, 56);
166 gg.line(41, 56, 51, 12);
168 if (xlut_relevant(cell)) {
169 gg.line(52, 12, XLUT_OUTPUT_POINT.getX(), 12);
170 gg.line(XLUT_OUTPUT_POINT.getX(), 12, XLUT_OUTPUT_POINT.getX(), 32);
172 if (cell.ylut_relevant()) {
173 gg.line(52, 12, YLUT_OUTPUT_POINT.getX(), 12);
174 gg.line(YLUT_OUTPUT_POINT.getX(), 12, YLUT_OUTPUT_POINT.getX(), 32);
180 public void drawLocal() {
181 if (!cell.ylut_relevant() && !xlut_relevant(cell)) return;
183 P in = rotateOuter(new P(HOFF, 0));
184 P join = rotateInner(new P(HOFF, CORE_OFFSET));
188 join = new P(in.getX(), join.getY());
191 join = new P(join.getX(), in.getY());
197 P xi = corner(cell.xi(), SIZE, 4);
198 if (((cell.xlut_relevant() && cell.xi_to_xlut_relevant()) ||
199 (cell.ylut_relevant() && cell.xi_to_ylut_relevant()))
200 && (cell.xi() != NONE) && (cell.xi() < L0 || cell.xi() > L4)
202 P xi2 = corner(cell.xi(), SIZE + 2*BEVEL, -1).translate(-BEVEL, -BEVEL);
205 xi = translate(xi, 0, -3);
206 xi2 = translate(xi2, 0, -3);
209 xi = translate(xi, 0, 3);
210 xi2 = translate(xi2, 0, 3);
216 if (xlut_relevant(cell)) {
218 if (cell.xi_to_xlut_relevant() && xi != null)
219 route(xi, rotateInner(new P(SIZE - CORE_OFFSET - CORE_SIZE/2 - CORE_SIZE / 3, 20)), 4);
223 if (cell.yi_to_xlut_relevant())
224 route(in, rotateInner(new P(SIZE - CORE_OFFSET - CORE_SIZE/2 - CORE_SIZE / 6, 20)), 5);
228 gg.color(cell.xo() ? ORANGE : LIGHTRED);
229 P xout = rotateInner(new P(SIZE-CORE_OFFSET-CORE_SIZE+17 - 2, CORE_OFFSET + CORE_SIZE - 3));
231 xout = rotateInner(new P(51, 74));
232 gg.line(rotateInner(new P(51, 62)), xout);
233 } else if (cell.xo_relevant()) {
234 gg.line(rotateInner(XLUT_OUTPUT_POINT), xout);
236 if (cell.xo_relevant(NE)) {
237 gg.line(corner(NE, SIZE, xring).translate(0, 3), corner(NE, SIZE, 0).translate(0, 3));
238 route(xout, corner(NE, SIZE, xring).translate(0, 3), xring);
240 if (cell.xo_relevant(NW)) {
241 gg.line(corner(NW, SIZE, xring).translate(0, 3), corner(NW, SIZE, 0).translate(0, 3));
242 route(xout, corner(NW, SIZE, xring).translate(0, 3), xring);
244 if (cell.xo_relevant(SE)) {
245 gg.line(corner(SE, SIZE, xring).translate(0, -3), corner(SE, SIZE, 0).translate(0, -3));
246 route(xout, corner(SE, SIZE, xring).translate(0, -3), xring);
248 if (cell.xo_relevant(SW)) {
249 gg.line(corner(SW, SIZE, xring).translate(0, -3), corner(SW, SIZE, 0).translate(0, -3));
250 route(xout, corner(SW, SIZE, xring).translate(0, -3), xring);
255 if (cell.ylut_relevant()) {
260 if (cell.yi_to_ylut_relevant())
261 route(in, rotateInner(new P(SIZE - CORE_OFFSET - CORE_SIZE/2 + CORE_SIZE / 6, 20)), 5);
265 if (xi != null && cell.xi_to_ylut_relevant())
266 route(xi, rotateInner(new P(SIZE - CORE_OFFSET - CORE_SIZE/2 + CORE_SIZE / 3, 20)), 4);
269 // lines directly from the ylut output to the four neighbors
270 gg.color(cell.yo() ? ORANGE : LIGHTBLUE);
271 P yout = rotateInner(new P(SIZE-CORE_OFFSET-CORE_SIZE+51 - 2, CORE_OFFSET + CORE_SIZE - 3));
273 yout = rotateInner(new P(51, 74));
274 gg.line(rotateInner(new P(51, 62)), yout);
275 } else if (cell.yo_relevant()) {
276 gg.line(rotateInner(YLUT_OUTPUT_POINT), yout);
278 if (cell.yo_relevant(NORTH)) route(yout, new P(SIZE-40, SIZE+ 0), 2);
279 if (cell.yo_relevant(EAST)) route(yout, new P(SIZE+ 0, 40), 2);
280 if (cell.yo_relevant(SOUTH)) route(yout, new P( 40, 0), 2);
281 if (cell.yo_relevant(WEST)) route(yout, new P( 0, SIZE-40), 2);
287 private AffineTransform rotateOuterTransform() {
289 AffineTransform a = new AffineTransform();
290 a.rotate((Math.PI/2) * rot);
293 case 1: a.translate(0, -SIZE); break;
294 case 2: a.translate(-SIZE, -SIZE); break;
295 case 3: a.translate(-SIZE, 0); break;
300 private P rotateOuter(P p) { return p.transform(rotateOuterTransform()); }
301 private P rotateInner(P p) { return p.transform(rotateInnerTransform()); }
302 private P unRotateInner(P p) { return p.inverseTransform(rotateInnerTransform()); }
304 private AffineTransform rotateInnerTransform() {
306 AffineTransform a = new AffineTransform();
307 a.translate(SIZE-CORE_SIZE-CORE_OFFSET, CORE_OFFSET);
308 a.rotate((Math.PI/2) * rot);
311 case 1: a.translate(0, -CORE_SIZE); break;
312 case 2: a.translate(-CORE_SIZE, -CORE_SIZE); break;
313 case 3: a.translate(-CORE_SIZE, 0); break;
315 a.translate(-1 * (SIZE-CORE_SIZE-CORE_OFFSET), -CORE_OFFSET);
320 private P project(P p1, int ring) {
321 double north = Math.abs( (SIZE-(ring*2)) - p1.getY() );
322 double south = Math.abs( ( (ring*2)) - p1.getY() );
323 double east = Math.abs( (SIZE-(ring*2)) - p1.getX() );
324 double west = Math.abs( ( (ring*2)) - p1.getX() );
325 if (north < south && north < east && north < west) return new P(p1.x, SIZE-ring*2);
326 else if (south < east && south < west) return new P(p1.x, ring*2);
327 else if (east < west) return new P(SIZE-ring*2, p1.y);
328 else return new P(ring*2, p1.y);
332 private void route(P p1, P p2, int ring) {
333 int ringpos = ring * 2;
334 P projected = project(p1, ring);
335 gg.line(p1, projected);
338 projected = project(p2, ring);
339 gg.line(p2, projected);
342 if (p1.x==p2.x || p1.y==p2.y) {
347 if ((p1.x==SIZE-ring*2 || p1.x==ring*2) && !(p1.y==SIZE-ring*2 || p1.y==ring*2)) {
348 P p3 = new P(p1.x, p2.y > SIZE/2 ? SIZE-ring*2 : ring*2);
351 } else if ((p1.y==SIZE-ring*2 || p1.y==ring*2) && !(p1.x==SIZE-ring*2 || p1.x==ring*2)) {
352 P p3 = new P(p2.x > SIZE/2 ? SIZE-ring*2 : ring*2, p1.y);
362 case SOUTH: rot = 0; break;
363 case NORTH: rot = 2; break;
364 case EAST: rot = 1; break;
365 case WEST: rot = 3; break;
367 // FIXME: choose based on xin
368 if (cell.north() != null && cell.north().yi()==SOUTH) { rot = 0; break; }
369 if (cell.south() != null && cell.south().yi()==NORTH) { rot = 2; break; }
370 if (cell.east() != null && cell.east().yi()==WEST) { rot = 3; break; }
371 if (cell.west() != null && cell.west().yi()==EAST) { rot = 1; break; }
377 public void drawGates() {
378 AffineTransform t = g.getTransform();
380 g.translate(SIZE-CORE_SIZE-CORE_OFFSET, CORE_OFFSET);
383 g.rotate((Math.PI/2) * rot);
386 case 1: g.translate(0, -CORE_SIZE); break;
387 case 2: g.translate(-CORE_SIZE, -CORE_SIZE); break;
388 case 3: g.translate(-CORE_SIZE, 0); break;
391 //gg.color(Color.gray);
392 //g.drawRect(0, 0, CORE_SIZE, CORE_SIZE);
397 if (xlut_relevant(cell) || scanme()) {
398 Gate gate = getGate(cell.xlut(), true);
400 !xknown ? Color.gray : xon ? Color.red : Color.white,
401 (xon && xknown) ? Color.white : Color.red,
402 xon ? Color.white : Color.red
406 g.translate(34f, 0f);
407 if (cell.ylut_relevant() || scanme()) {
408 Gate gate = getGate(cell.ylut(), false);
410 !yknown ? Color.gray : yon ? Color.blue : Color.white,
411 (yon && yknown) ? Color.white : Color.blue,
412 yon ? Color.white : Color.blue
420 public void drawMux() {
421 if (!cell.c_relevant()) return;
422 gg.color(Color.black);
423 if (xlut_relevant(cell) && (cell.c() == ZMUX || cell.c() == XLUT)) {
425 gg.line(XLUT_OUTPUT_POINT, new P(XLUT_OUTPUT_POINT.getX(), 52));
426 gg.line(new P(XLUT_OUTPUT_POINT.getX(), 52), new P(51, 52));
428 if (cell.ylut_relevant() && (cell.c() == ZMUX || cell.c() == YLUT)) {
430 gg.line(YLUT_OUTPUT_POINT, new P(YLUT_OUTPUT_POINT.getX(), 52));
431 gg.line(new P(YLUT_OUTPUT_POINT.getX(), 52), new P(51, 52));
433 if (cell.c() == ZMUX)
436 gg.line(51, 52, 51, 51+23);
438 if (cell.register_relevant() && cell.f() && !cell.b()) {
439 gg.line(51, 56, 60, 56);
440 gg.line(60, 56, 60, 51+25);
442 gg.line(51, 51+23, 51, 51+25);
445 if (cell.c() == ZMUX) {
448 int plane = cell.zi()+1;
449 route(unRotateInner(new P(8 + 2*(plane-L0), 76 + 2*(plane-L0))),
452 gg.line(new P(51, 20), new P(51, 50));
454 GeneralPath p = new GeneralPath();
468 public int ccolor() {
470 case XLUT: return LIGHTRED;
471 case YLUT: return LIGHTBLUE;
472 case ZMUX: return ORANGE;
476 public void drawRegister() {
477 if (!cell.register_relevant()) return;
480 gg.color(Color.white);
481 g.fillRect(47, 58, 9, 14);
483 g.drawRect(47, 58, 9, 14);
485 GeneralPath p = new GeneralPath();
490 gg.color(cell.ff_reset_value() ? WHITE : dark);
495 public void drawBorder() {
496 gg.color(Color.gray);
497 gg.line(BEVEL, 0, SIZE-BEVEL, 0);
498 gg.line(SIZE, BEVEL, SIZE, SIZE-BEVEL);
499 gg.line(SIZE-BEVEL, SIZE, BEVEL, SIZE);
500 gg.line(0, SIZE-BEVEL, 0, BEVEL);
503 gg.line(0, BEVEL, BEVEL, 0);
504 gg.line(SIZE-BEVEL, 0, SIZE, BEVEL);
505 gg.line(SIZE, SIZE-BEVEL, SIZE-BEVEL, SIZE);
506 gg.line(BEVEL, SIZE, 0, SIZE-BEVEL);
511 public void pressed() {
515 public void released() {
516 if (dragFrom == null || oldcell == null) return;
517 if (Math.abs(dragFrom._y - oldcell._y) > 1) return;
518 if (Math.abs(dragFrom._x - oldcell._x) > 1) return;
519 if (dragFrom._x == oldcell._x && dragFrom._y == oldcell._y+1) oldcell.cell.yi(NORTH);
520 if (dragFrom._x == oldcell._x && dragFrom._y == oldcell._y-1) oldcell.cell.yi(SOUTH);
521 if (dragFrom._x == oldcell._x+1 && dragFrom._y == oldcell._y) oldcell.cell.yi(EAST);
522 if (dragFrom._x == oldcell._x-1 && dragFrom._y == oldcell._y) oldcell.cell.yi(WEST);
523 if (dragFrom._x == oldcell._x+1 && dragFrom._y == oldcell._y+1) oldcell.cell.xi(NE);
524 if (dragFrom._x == oldcell._x+1 && dragFrom._y == oldcell._y-1) oldcell.cell.xi(SE);
525 if (dragFrom._x == oldcell._x-1 && dragFrom._y == oldcell._y+1) oldcell.cell.xi(NW);
526 if (dragFrom._x == oldcell._x-1 && dragFrom._y == oldcell._y-1) oldcell.cell.xi(SW);
530 public void drawKeyboard(Image keyboardImage, Graphics2D g) {
532 int height = (keyboardImage.getHeight(null) * width) / keyboardImage.getWidth(null);
533 g.drawImage(keyboardImage,
534 0, getHeight() - height,
537 keyboardImage.getWidth(null), keyboardImage.getHeight(null),
541 public void _paint(Graphics2D g) {
545 g.setStroke(new BasicStroke((float)0.5));
547 g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
548 g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
550 AffineTransform t = g.getTransform();
551 for(Cell c : cells) {
553 g.translate( c._x * SIZE /*+ (10 * (c._x/4))*/, c._y * SIZE /*+ (10 * (c._y/4))*/);
556 for(Cell c : cells) {
558 g.translate( c._x * SIZE /*+ (10 * (c._x/4))*/, c._y * SIZE /*+ (10 * (c._y/4))*/);
563 g.setTransform(new AffineTransform());
565 gg.color(selectedcell);
566 g.fillRect(getWidth() - 200, 0, 200, 600);
567 gg.color(Color.white);
568 g.drawRect(getWidth() - 200, 0, 200, 600);
570 Cell newcell = whichCell(mousex, mousey);
572 g.setFont(new Font("monospaced", 0, 14));
573 if (newcell != null && newcell.cell != null) {
574 g.drawString("selected: " + newcell._x + "," + newcell._y, getWidth() - 200 + 10, (line += 15));
575 g.drawString(" xlut: " + XLUT_EQUATIONS[newcell.cell.xlut() & 0xff], getWidth() - 200 + 10, (line += 15));
576 g.drawString(" ylut: " + YLUT_EQUATIONS[newcell.cell.ylut() & 0xff], getWidth() - 200 + 10, (line += 15));
578 switch(newcell.cell.xi()) {
579 case NW : xi = "NW"; break;
580 case NE : xi = "NE"; break;
581 case SW : xi = "SW"; break;
582 case SE : xi = "SE"; break;
583 case NONE : xi = "."; break;
584 default: xi = "L"+(newcell.cell.xi()-L0); break;
586 g.drawString("x-in mux: " + xi, getWidth() - 200 + 10, (line += 15));
589 switch(newcell.cell.yi()) {
590 case NORTH : yi = "NORTH"; break;
591 case SOUTH : yi = "SOUTH"; break;
592 case EAST : yi = "EAST"; break;
593 case WEST : yi = "WEST"; break;
594 case NONE : yi = "."; break;
595 default: yi = "L"+(newcell.cell.yi()-L0); break;
597 g.drawString("y-in mux: " + yi, getWidth() - 200 + 10, (line += 15));
599 g.drawString("w-in mux: " + (newcell.cell.wi()==NONE ? "." : ("L"+(newcell.cell.wi()-L0))),
600 getWidth() - 200 + 10, (line += 15));
601 g.drawString("z-in mux: " + (newcell.cell.zi()==NONE ? "." : ("L"+(newcell.cell.zi()-L0))),
602 getWidth() - 200 + 10, (line += 15));
605 switch(newcell.cell.t()) {
606 case TMUX_FB: tm = "fb"; break;
607 case TMUX_W_AND_FB: tm = "w&fb"; break;
608 case TMUX_Z: tm = "z"; break;
609 case TMUX_W_AND_Z: tm = "w&z"; break;
610 case TMUX_W: tm = "w"; break;
612 g.drawString("t-in mux: " + tm, getWidth() - 200 + 10, (line += 15));
614 g.drawString(" set/rst: " + (newcell.cell.ff_reset_value() ? "reset=SET" : "."),
615 getWidth() - 200 + 10, (line += 15));
618 for(int i=0; i<5; i++) outs += (newcell.cell.out(L0+i) ? (i+" ") : ". ");
619 g.drawString(" out: " + outs,
620 getWidth() - 200 + 10, (line += 15));
622 for(int i=0; i<5; i++) hs += (newcell.cell.hx(L0+i) ? (i+" ") : ". ");
623 g.drawString(" h conn: " + hs,
624 getWidth() - 200 + 10, (line += 15));
626 for(int i=0; i<5; i++) vs += (newcell.cell.vx(L0+i) ? (i+" ") : ". ");
627 g.drawString(" v conn: " + vs,
628 getWidth() - 200 + 10, (line += 15));
629 g.drawString("out enab: " + (newcell.cell.oe()==H4 ? "H4" : newcell.cell.oe()==V4 ? "V4" : "."),
630 getWidth() - 200 + 10, (line += 15));
631 g.drawString(" c-mux: " + (newcell.cell.c()==ZMUX ? "zmux" : newcell.cell.c()==XLUT ? "x-lut" : "y-lut"),
632 getWidth() - 200 + 10, (line += 15));
633 g.drawString(" fb src: " + (newcell.cell.f() ? "clocked" : "."),
634 getWidth() - 200 + 10, (line += 15));
635 g.drawString(" bypass: " + (newcell.cell.b() ? "clocked" : "."),
636 getWidth() - 200 + 10, (line += 15));
637 g.drawString(" x out: " + (newcell.cell.xo() ? (newcell.cell.b() ? "register" : "center") : "."),
638 getWidth() - 200 + 10, (line += 15));
639 g.drawString(" y out: " + (newcell.cell.yo() ? (newcell.cell.b() ? "register" : "center") : "."),
640 getWidth() - 200 + 10, (line += 15));
644 drawKeyboard(keyboard2, g);
645 } else switch(lastChar) {
653 drawKeyboard(keyboard3, g);
656 drawKeyboard(keyboard1, g);
660 while (mousebutton) {
662 if (dragFrom == null || oldcell == null) break;
663 if (Math.abs(dragFrom._y - oldcell._y) > 1) break;
664 if (Math.abs(dragFrom._x - oldcell._x) > 1) break;
666 if (dragFrom._x == oldcell._x || dragFrom._y == oldcell._y)
671 gg.line( oldcell._x * SIZE + SIZE/2,
672 oldcell._y * SIZE + SIZE/2,
673 dragFrom._x * SIZE + SIZE/2,
674 dragFrom._y * SIZE + SIZE/2, 5);
681 Cell dragFrom = null;
683 public void clear() {
684 Graphics2D g = (Graphics2D)getGraphics();
685 //gg.color(Color.black);
686 //gg.color(Color.lightGray);
687 g.clearRect(0, 0, getWidth(), getHeight());
690 public static final P translate(P p, int dx, int dy) {
691 return new P(p.getX()+dx, p.getY()+dy);
694 public Cell whichCell(int x, int y) {
697 p = p.inverseTransform(transform);
698 } catch (Exception e) {
701 int col = ((int)p.getX()+0) / SIZE;
702 int row = ((int)p.getY()+0) / SIZE;
704 if (c._x == col && c._y == row)
709 public static boolean xlut_relevant(Fpslic.Cell c) {
710 return c.xlut_relevant();
713 public void mouseClicked(MouseEvent e) {
714 final Cell c = whichCell(e.getX(), e.getY());
720 private class BCB extends FtdiBoard.ByteCallback {
723 public BCB(Gui2.Cell c, int who) {
724 this.who = who; this.c = c;
727 public void call(byte b) throws Exception {
728 boolean on = (b & 0x80) != 0;
745 public Gate getGate(byte lut, boolean xlut) {
746 for(Gate g : knownGates)
747 if (g.setLut(lut, xlut))
752 public Gate unknownGate = new Circle("?");
753 public Gate[] knownGates =
757 new Circle("0") { public boolean result(boolean x, boolean y, boolean z) { return false; } },
758 new Circle("1") { public boolean result(boolean x, boolean y, boolean z) { return true; } },
759 new Circle("x") { public boolean result(boolean x, boolean y, boolean z) { return x; } },
760 new Circle("y") { public boolean result(boolean x, boolean y, boolean z) { return y; } },
761 new Circle("z") { public boolean result(boolean x, boolean y, boolean z) { return z; } },
762 new Circle("~x") { public boolean result(boolean x, boolean y, boolean z) { return !x; } },
763 new Circle("~y") { public boolean result(boolean x, boolean y, boolean z) { return !y; } },
764 new Circle("~z") { public boolean result(boolean x, boolean y, boolean z) { return !z; } }
767 // FIXME: 2-input gates?
768 public abstract class Gate {
769 public boolean invert_x;
770 public boolean invert_y;
771 public boolean invert_z;
772 public boolean invert_out;
773 public abstract boolean result(boolean x, boolean y, boolean z);
774 public void draw(Graphics2D g, Color fill, Color stroke, Color text) {
775 GeneralPath p = new GeneralPath();
782 AffineTransform a = g.getTransform();
784 if (label() != null) {
786 g.drawString(label(), 7, -14);
790 public String label() { return null; }
791 public boolean setLut(int lut, boolean xlut) {
793 for(int inverts = 0; inverts < 16; inverts++) {
794 invert_x = (inverts & 0x1) != 0;
795 invert_y = (inverts & 0x2) != 0;
796 invert_z = (inverts & 0x4) != 0;
797 invert_out = (inverts & 0x8) != 0;
800 for(int bit=0; bit<8; bit++) {
801 boolean x = xlut ? ((bit & 0x1) != 0) : ((bit & 0x2) != 0);
802 boolean y = xlut ? ((bit & 0x2) != 0) : ((bit & 0x1) != 0);
803 boolean z = (bit & 0x4) != 0;
804 boolean expect = (lut & (1<<bit)) != 0;
806 // FIXME symmetry issues here....
807 boolean result = result(x ^ invert_x, y ^ invert_y, z ^ invert_z) ^ invert_out;
808 if (result != expect) { good = false; break; }
810 if (good) return true;
816 public abstract void makePath(GeneralPath gp);
819 public class Or extends Gate {
820 public boolean result(boolean x, boolean y, boolean z) { return x || y || z; }
821 public String label() { return "+"; }
822 public void draw(Graphics2D g, Color fill, Color stroke, Color text) {
823 AffineTransform at = g.getTransform();
826 super.draw(g, fill, stroke, text);
829 public void makePath(GeneralPath gp) {
830 gp.moveTo(29.141f, 36.301f);
831 gp.lineTo(29.141f, 36.301f-7.161f);
832 gp.curveTo(27.71f, 11.24f, 23.413f, 9.45f, 14.82f, 0.5f);
833 gp.curveTo(6.229f, 9.45f, 1.932f, 11.24f, 0.5f, 29.141f);
834 gp.lineTo(0.5f, 29.141f+7.161f);
836 float y = 29.141f+7.161f;
837 gp.curveTo(5.729f+x, -1.789f+y,
840 gp.curveTo(22.697f, 33.616f, 23.413f, 34.512f, 29.141f, 36.301f);
844 public class Circle extends Gate {
846 public Circle(String label) { this.label = label; }
847 public boolean result(boolean x, boolean y, boolean z) { return false; }
848 public String label() { return label; }
849 public void makePath(GeneralPath gp) {
860 public class And extends Gate {
861 public boolean result(boolean x, boolean y, boolean z) { return x && y && z; }
862 public String label() { return "&"; }
863 public void makePath(GeneralPath gp) {
866 gp.curveTo(0, 27, 3, 35, 13, 35);
867 gp.curveTo(20, 35, 23, 27, 23, 19);
873 public class Muller extends And {
874 public String label() { return "C"; }
875 public void draw(Graphics2D g, Color fill, Color stroke, Color text) {
876 super.draw(g, fill, stroke, text);
878 g.drawLine(0, 0, 23, 0);
882 public class Xor extends Or {
883 public boolean result(boolean x, boolean y, boolean z) { return x ^ y ^ z; }
884 public String label() { return "^"; }
885 public void draw(Graphics2D g, Color fill, Color stroke, Color text) {
886 super.draw(g, fill, stroke, text);
888 AffineTransform at = g.getTransform();
893 GeneralPath gp = new GeneralPath();
895 float y = 29.141f+7.161f;
897 gp.curveTo(5.729f+x, -1.789f+y,
900 gp.curveTo(22.697f, 33.616f, 23.413f, 34.512f, 29.141f, 36.301f);
907 public abstract class Mux extends Gate {
908 public String label() { return "?"; }
909 public void makePath(GeneralPath gp) {
918 public class X_Mux extends Mux {
919 public boolean result(boolean x, boolean y, boolean z) { return x ? y : z; }
921 public class Y_Mux extends Mux {
922 public boolean result(boolean x, boolean y, boolean z) { return y ? x : z; }
924 public class Z_Mux extends Mux {
925 public boolean result(boolean x, boolean y, boolean z) { return z ? x : y; }
928 public abstract class Buf extends Gate {
929 public void makePath(GeneralPath gp) {
937 public class X extends Buf {
938 public boolean result(boolean x, boolean y, boolean z) { return x; }
940 public class Y extends Buf {
941 public boolean result(boolean x, boolean y, boolean z) { return y; }
943 public class Z extends Buf {
944 public boolean result(boolean x, boolean y, boolean z) { return z; }
947 private static Image keyboard1 =
948 Toolkit.getDefaultToolkit().createImage("images/keyboard1.png");
949 private static Image keyboard2 =
950 Toolkit.getDefaultToolkit().createImage("images/keyboard2.png");
951 private static Image keyboard3 =
952 Toolkit.getDefaultToolkit().createImage("images/keyboard3.png");