1 package edu.berkeley.obits.device.atmel;
2 import static edu.berkeley.obits.device.atmel.AtmelDevice.Constants.*;
3 import edu.berkeley.obits.*;
4 import org.ibex.util.*;
10 /*private*/public final AtmelDevice dev;
11 private final int width;
12 private final int height;
14 public At40k(AtmelDevice dev, int width, int height) {
20 public static class At40k10 extends At40k {
21 public At40k10(AtmelDevice dev) { super(dev, 24, 24); }
24 public final class Sector {
27 public Sector(Cell c) { this((c.col/4)*4, (c.row/4)*4); }
28 private Sector(int col, int row) {
29 if (row % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 row");
30 if (col % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 col");
34 public Sector north() { return row+4>=height ? null : new Sector(col, row+4); }
35 public Sector south() { return row==0 ? null : new Sector(col, row-4); }
36 public Sector east() { return col+4>=width ? null : new Sector(col+4, row); }
37 public Sector west() { return col==0 ? null : new Sector(col-4, row); }
38 public Cell cell() { return At40k.this.cell(col, row); }
41 public final class SectorWire {
42 public final boolean global;
43 public final boolean horizontal;
44 public final int plane;
47 public SectorWire(boolean horizontal, int plane, int col, int row) {
48 this.horizontal=horizontal;
51 this.col= horizontal ? (col & ~0x3) : col;
52 this.row=!horizontal ? (row & ~0x3) : row;
54 private int z(int z) { return (horizontal ? 0x30 : 0x20) | z; }
55 public int code(boolean topleft) {
57 case 0: return z(6)+(topleft?0:1);
58 case 1: return z(8)+(topleft?0:1);
59 case 2: return z(2*(4-plane))+(topleft?0:1);
60 case 3: return z(2*(4-plane))+(topleft?0:1);
61 case 4: return z(2*(4-plane))+(topleft?0:1);
66 private final int fine() { return horizontal ? row : col; }
67 public final int coarse() { return horizontal ? col : row; }
68 private int _row() { return horizontal ? row : ((row)>>2); }
69 private int _col() { return horizontal ? ((col)>>2) : col; }
71 public SectorWire west() { return !horizontal ? null : col-4<0 ? null : new SectorWire(horizontal, plane, col-4, row); }
72 public SectorWire east() { return !horizontal ? null : col+4>=width ? null : new SectorWire(horizontal, plane, col+4, row); }
73 public SectorWire north() { return horizontal ? null : row+4>=height ? null : new SectorWire(horizontal, plane, col, row+4); }
74 public SectorWire south() { return horizontal ? null : row-4<0 ? null : new SectorWire(horizontal, plane, col, row-4); }
76 public String toString() {
78 (horizontal?(col+":"+(col+3)):(""+col))+","+
79 (horizontal?(row+"") :(row+":"+(row+3)))+
83 /** returns the ZYX0 coordinate of the byte controlling the switchbox that allows <tt>w</tt> to drive this wire */
84 public int switchbox(SectorWire w) {
85 if (w.horizontal==horizontal) {
86 if (w.plane!=plane) throw new Error();
87 if (Math.abs(w.coarse()-coarse())!=4) throw new Error(w.coarse() + " -- " + coarse());
88 boolean topleft = horizontal ? (w.coarse() < coarse()) : (w.coarse() > coarse());
89 //if (w.coarse() < coarse()) return w.switchbox(this);
90 //if (topleft) return w.switchbox(this);
91 int col = _col() + (( horizontal && !topleft) ? 1 : 0);
92 //if (!horizontal) topleft = !topleft;
93 int row = _row() + ((!horizontal && topleft) ? 1 : 0);
94 //if (!horizontal) topleft = !topleft;
95 return (code(topleft) << 24) | (row<<16) | (col<<8);
97 throw new Error("not implemented");
100 public void drives(SectorWire w, boolean enable) {
101 dev.mode4zyx(switchbox(w), enable?0x02:0x00, 0x07);
104 public boolean drives(SectorWire w) {
105 int connect = (dev.mode4zyx(switchbox(w)) >> (global?3:0)) & 0x7;
106 return (connect & 0x2)!=0;
108 public SectorWire driverRight() {
109 System.out.println("checking " + Integer.toString(code(true), 16) + " " + Integer.toString(_row(), 16) + " " + Integer.toString(_col(), 16));
110 int ret = dev.mode4(z(code(true)), _row(), _col());
111 ret = (ret >> (global?3:0)) & 0x7;
114 case 1: return null; /* global wire on same side */
115 case 2: return new SectorWire(horizontal, plane, horizontal?(col+4):col, horizontal?row:(row+4));
116 case 4: return null; /* global wire on other side */
117 default: throw new Error("multiple drivers on " + this + "!");
122 public final class SwitchBox {
123 public final boolean h;
124 public final int col;
125 public final int row;
126 public final int plane;
127 public SwitchBox(boolean h, int col, int row, int plane) { this.h = h; this.col = col; this.row = row; this.plane = plane; }
128 public SectorWire west(boolean global) { return !h ? null : global ? null : new SectorWire(h, col-4, row, plane); }
129 public SectorWire east(boolean global) { return !h ? null : global ? null : new SectorWire(h, col+4, row, plane); }
130 public SectorWire north(boolean global) { return !h ? null : global ? null : new SectorWire(h, col, row-4, plane); }
131 public SectorWire south(boolean global) { return !h ? null : global ? null : new SectorWire(h, col, row+4, plane); }
135 public Cell cell(int col, int row) {
136 if (col<0) return null;
137 if (row<0) return null;
138 if (col>=width) return null;
139 if (row>=height) return null;
140 return new Cell(col, row);
143 public final class Cell {
144 public final int col;
145 public final int row;
147 public SectorWire hwire(int plane) { return new SectorWire(true, plane, col, row); }
148 public SectorWire vwire(int plane) { return new SectorWire(false, plane, col, row); }
150 public Sector sector() { return new Sector(this); }
151 public Cell(int col, int row) {
156 /* bit positions mean: [MSB] zxy z_y zx_ z__ _xy __y _x_ ___ [LSB] */
157 public void xlut(int table) { dev.mode4(7, row, col, (byte)(table & 0xff)); }
158 public byte xlut() { return (byte)(dev.mode4(7, row, col) & 0xff); }
159 public String printXLut() { return printLut(xlut(), "y", "x", "t"); }
160 public String printXLutX() { return printLut(xlut(), str(yi(), "y"), str(xi(), "x"), str(ti(), "t")); }
162 public String str(int x, String def) {
164 case NORTH: return "n";
165 case SOUTH: return "s";
166 case EAST: return "e";
167 case WEST: return "w";
168 case NW: return "nw";
169 case SE: return "se";
170 case NE: return "ne";
171 case SW: return "sw";
172 case FB: return "fb";
173 case L0: return (hx(0)&&vx(0))?"HV0":hx(0)?"H0":vx(0)?"V0":"L0";
174 case L1: return (hx(1)&&vx(1))?"HV1":hx(1)?"H1":vx(1)?"V1":"L1";
175 case L2: return (hx(2)&&vx(2))?"HV2":hx(2)?"H2":vx(2)?"V2":"L2";
176 case L3: return (hx(3)&&vx(3))?"HV3":hx(3)?"H3":vx(3)?"V3":"L3";
177 case L4: return (hx(4)&&vx(4))?"HV4":hx(4)?"H4":vx(4)?"V4":"L4";
182 /* bit positions mean: [MSB] zxy zx_ z_y z__ _xy _x_ __y ___ [LSB] */
183 public void ylut(int table) { dev.mode4(6, row, col, (byte)(table & 0xff)); }
184 public byte ylut() { return (byte)(dev.mode4(6, row, col) & 0xff); }
185 public String printYLut() { return printLut(ylut(), "y", "x", "t"); }
186 public String printYLutX() { return printLut(ylut(), str(yi(), "y"), str(xi(), "x"), str(ti(), "t")); }
188 public void ff_reset_value(boolean value) {
189 //dev.mode4( /* FIXME WRONG!!! */, row, col, 3, !value); return;
192 public void out(int plane, boolean enable) {
194 case L0: dev.mode4(0x00, row, col, 3, enable); return;
195 case L1: dev.mode4(0x00, row, col, 2, enable); return;
196 case L2: dev.mode4(0x00, row, col, 5, enable); return;
197 case L3: dev.mode4(0x00, row, col, 4, enable); return;
198 case L4: dev.mode4(0x00, row, col, 1, enable); return;
199 default: throw new RuntimeException("invalid argument");
203 public boolean out(int plane) {
205 case L0: return (dev.mode4(0x00, row, col) & (1<<3)) != 0;
206 case L1: return (dev.mode4(0x00, row, col) & (1<<2)) != 0;
207 case L2: return (dev.mode4(0x00, row, col) & (1<<5)) != 0;
208 case L3: return (dev.mode4(0x00, row, col) & (1<<4)) != 0;
209 case L4: return (dev.mode4(0x00, row, col) & (1<<1)) != 0;
210 default: throw new RuntimeException("invalid argument");
214 public void h(int plane, boolean enable) {
216 case 0: dev.mode4(0x08, row, col, 2, enable); return;
217 case 1: dev.mode4(0x08, row, col, 0, enable); return;
218 case 2: dev.mode4(0x08, row, col, 5, enable); return;
219 case 3: dev.mode4(0x08, row, col, 6, enable); return;
220 case 4: dev.mode4(0x00, row, col, 6, enable); return;
221 default: throw new RuntimeException("invalid argument");
225 public boolean hx(int plane) {
227 case 0: return (dev.mode4(0x08, row, col) & (1<<2)) != 0;
228 case 1: return (dev.mode4(0x08, row, col) & (1<<0)) != 0;
229 case 2: return (dev.mode4(0x08, row, col) & (1<<5)) != 0;
230 case 3: return (dev.mode4(0x08, row, col) & (1<<6)) != 0;
231 case 4: return (dev.mode4(0x00, row, col) & (1<<6)) != 0;
232 default: throw new RuntimeException("invalid argument");
236 public void v(int plane, boolean enable) {
238 case 0: dev.mode4(0x08, row, col, 1, enable); return;
239 case 1: dev.mode4(0x08, row, col, 3, enable); return;
240 case 2: dev.mode4(0x08, row, col, 4, enable); return;
241 case 3: dev.mode4(0x08, row, col, 7, enable); return;
242 case 4: dev.mode4(0x00, row, col, 7, enable); return;
243 default: throw new RuntimeException("invalid argument");
247 public boolean vx(int plane) {
249 case 0: return (dev.mode4(0x08, row, col) & (1<<1)) != 0;
250 case 1: return (dev.mode4(0x08, row, col) & (1<<3)) != 0;
251 case 2: return (dev.mode4(0x08, row, col) & (1<<4)) != 0;
252 case 3: return (dev.mode4(0x08, row, col) & (1<<7)) != 0;
253 case 4: return (dev.mode4(0x00, row, col) & (1<<7)) != 0;
254 default: throw new RuntimeException("invalid argument");
259 switch(dev.mode4(1, row, col) & 0x30) {
260 case 0x20: return zi();
261 case 0x10: return FB;
262 case 0x00: return wi();
263 default: throw new Error("ack!");
266 public void t(boolean z, boolean w, boolean fb) {
267 // still not totally satisfied...
268 // how to we distinguish between z&w vs z or w&fb vs fb? ==> you can't! this is a false connection in my diagram
269 // what does it mean for both bits (0x30) to be set to 1?
270 if (fb && z) throw new RuntimeException("invalid combination");
272 if (z) result |= 0x20;
273 if (fb) result |= 0x10;
274 dev.mode4(1, row, col, result, 0x30);
277 public void c(int source) {
279 case XLUT: dev.mode4(1, row, col, 0x00, 0xc0); break;
280 case YLUT: dev.mode4(1, row, col, 0x40, 0xc0); break;
281 case ZMUX: dev.mode4(1, row, col, 0x80, 0xc0); break;
282 default: throw new RuntimeException("Invalid Argument");
286 switch (dev.mode4(1, row, col) >> 6) {
287 case 0x00: return XLUT;
288 case 0x01: return YLUT;
289 case 0x02: return ZMUX;
293 public void b(boolean registered) { dev.mode4(1, row, col, 3, !registered); }
294 public void f(boolean registered) { dev.mode4(1, row, col, 2, !registered); }
295 public void xo(boolean center) { dev.mode4(1, row, col, 1, center); }
296 public void yo(boolean center) { dev.mode4(1, row, col, 0, center); }
297 public boolean b() { return (dev.mode4(1, row, col) >> 3)!=1; }
298 public boolean f() { return (dev.mode4(1, row, col) >> 2)!=1; }
299 public boolean x() { return (dev.mode4(1, row, col) >> 1)==1; }
300 public boolean y() { return (dev.mode4(1, row, col) >> 0)==1; }
302 public void oe(int source) {
304 case NONE: dev.mode4(0x02, row, col, 0, 0x3); break;
305 case H4: dev.mode4(0x02, row, col, 1, 0x3); break;
306 case V4: dev.mode4(0x02, row, col, 2, 0x3); break;
307 default: throw new RuntimeException("invalid argument");
312 // FIXME: can be multiple
313 if ((dev.mode4(0x03, row, col) & (1<<4))!=0) return L3;
314 switch(dev.mode4(0x05, row, col) & 0xff) {
315 case 0x80: return SW;
316 case (1<<6): return NE;
317 case (1<<5): return SE;
318 case (1<<4): return NW;
319 case (1<<3): return L3;
320 case (1<<2): return L2;
321 case (1<<1): return L1;
322 case (1<<0): return L0;
324 default: throw new Error();
328 public void xi(int source) {
330 case SW: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<7); break;
331 case NE: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<6); break;
332 case SE: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<5); break;
333 case NW: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<4); break;
334 case L4: dev.mode4(0x03, row, col, 4, true); dev.mode4(0x05, row, col, 0); break;
335 case L3: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<0); break;
336 case L2: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<1); break;
337 case L1: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<2); break;
338 case L0: dev.mode4(0x03, row, col, 4, false); dev.mode4(0x05, row, col, 1<<3); break;
339 default: throw new RuntimeException("invalid argument");
344 if ((dev.mode4(0x02, row, col) & (1<<6))!=0) return L4;
345 switch(dev.mode4(0x04, row, col) & 0xff) {
346 case 0x80: return NORTH;
347 case (1<<5): return SOUTH;
348 case (1<<6): return WEST;
349 case (1<<4): return EAST;
350 case (1<<3): return L3;
351 case (1<<2): return L2;
352 case (1<<1): return L1;
353 case (1<<0): return L0;
355 default: throw new Error();
359 public void yi(int source) {
361 case NORTH: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<7); break;
362 case SOUTH: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<5); break;
363 case WEST: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<6); break;
364 case EAST: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<4); break;
365 case L4: dev.mode4(0x02, row, col, 6, true); dev.mode4(0x04, row, col, 0); break;
366 case L3: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<0); break;
367 case L2: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<1); break;
368 case L1: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<2); break;
369 case L0: dev.mode4(0x02, row, col, 6, false); dev.mode4(0x04, row, col, 1<<3); break;
370 default: throw new RuntimeException("invalid argument");
374 public void wi(int source) {
376 case L4: dev.mode4(0x03, row, col, 1<<5, 0xEC); break;
377 case L3: dev.mode4(0x03, row, col, 1<<6, 0xEC); break;
378 case L2: dev.mode4(0x03, row, col, 1<<7, 0xEC); break;
379 case L1: dev.mode4(0x03, row, col, 1<<3, 0xEC); break;
380 case L0: dev.mode4(0x03, row, col, 1<<2, 0xEC); break;
381 default: throw new RuntimeException("invalid argument");
386 switch(dev.mode4(0x03, row, col) & 0xff) {
387 case (1<<5): return L4;
388 case (1<<6): return L3;
389 case (1<<7): return L2;
390 case (1<<3): return L1;
391 case (1<<2): return L0;
392 case (0): return NONE;
393 default: throw new RuntimeException("invalid argument");
397 public void zi(int source) {
399 case L4: dev.mode4(0x02, row, col, 1<<7, 0xDB); break;
400 case L3: dev.mode4(0x02, row, col, 1<<5, 0xDB); break;
401 case L2: dev.mode4(0x02, row, col, 1<<4, 0xDB); break;
402 case L1: dev.mode4(0x02, row, col, 1<<3, 0xDB); break;
403 case L0: dev.mode4(0x02, row, col, 1<<2, 0xDB); break;
404 default: throw new RuntimeException("invalid argument");
409 switch(dev.mode4(0x02, row, col) & 0xff) {
410 case (1<<7): return L4;
411 case (1<<5): return L3;
412 case (1<<4): return L2;
413 case (1<<3): return L1;
414 case (1<<2): return L0;
416 default: throw new RuntimeException("invalid argument");
422 public IOB iob_top(int col, boolean primary) { return new IOB(col, 0, primary, true); }
423 public IOB iob_bot(int col, boolean primary) { return new IOB(col, 1, primary, true); }
424 public IOB iob_left(int row, boolean primary) { return new IOB(0, row, primary, false); }
425 public IOB iob_right(int row, boolean primary) { return new IOB(1, row, primary, false); }
427 public IOB fromPin(int pin) {
428 if (pin >= 4 && pin <= 11) return io(pin-3);
429 if (pin >= 15 && pin <= 18) return io(pin-2);
430 if (pin >= 19 && pin <= 24) return io(pin);
431 if (pin >= 27 && pin <= 30) return io(pin-2);
432 if (pin >= 33 && pin <= 36) return io(pin);
433 if (pin >= 38 && pin <= 47) return io(pin+1);
436 if (pin >= 33 && pin <= 36) return io(pin+36);
437 if (pin >= 38 && pin <= 41) return io(pin+43);
438 if (pin >= 42 && pin <= 43) return io(pin+47);
439 if (pin >= 44 && pin <= 47) return io(pin+49);
440 if (pin >= 57 && pin <= 62) return io(pin+40);
441 if (pin >= 63 && pin <= 66) return io(pin+46);
442 if (pin >= 68 && pin <= 71) return io(pin+53);
443 if (pin >= 72 && pin <= 73) return io(pin+53);
444 if (pin >= 74 && pin <= 75) return io(pin+63);
445 if (pin >= 76 && pin <= 77) return io(143+(pin-76));
446 if (pin >= 80 && pin <= 81) return io(145+(pin-80));
447 if (pin >= 82 && pin <= 85) return io(151+(pin-82));
448 if (pin >= 86 && pin <= 89) return io(165+(pin-86));
449 if (pin >= 91 && pin <= 94) return io(177+(pin-91));
450 if (pin >= 95 && pin <= 96) return io(183+(pin-95));
451 if (pin >= 97 && pin <= 100) return io(189+(pin-97));
452 if (pin >= 161 && pin <= 164) return io(289+(pin-161));
453 if (pin >= 165 && pin <= 166) return io(297+(pin-165));
454 if (pin >= 167 && pin <= 168) return io(303+(pin-167));
455 if (pin >= 169 && pin <= 170) return io(309+(pin-169));
456 if (pin >= 172 && pin <= 173) return io(313+(pin-172));
457 if (pin >= 174 && pin <= 175) return io(325+(pin-174));
458 if (pin >= 176 && pin <= 179) return io(327+(pin-176));
459 if (pin >= 180 && pin <= 181) return io(335+(pin-180));
460 if (pin >= 184 && pin <= 185) return io(337+(pin-184));
461 if (pin >= 186 && pin <= 191) return io(343+(pin-186));
462 if (pin >= 192 && pin <= 193) return io(359+(pin-192));
463 if (pin >= 195 && pin <= 196) return io(363+(pin-195));
464 if (pin >= 197 && pin <= 200) return io(369+(pin-197));
465 if (pin >= 201 && pin <= 204) return io(381+(pin-201));
467 public io(int ionum) {
469 int cell = (94 - pin) / 2;
470 boolean primary = cell * 2 == (94-pin);
474 public final class IOB {
475 public final int col;
476 public final int row;
477 public final boolean primary;
478 public final boolean northsouth;
479 public IOB(int col, int row, boolean primary, boolean northsouth) {
482 this.northsouth = northsouth;
483 this.primary = primary;
486 public String dump() {
487 System.out.println("[ "+
488 (schmitt()?"schmitt ":"")+
489 (slew()==3?"fast ":slew()==2?"med ":slew()==1?"slow ":"slew-unknown ")+
495 public void enableOutput(int direction) {
502 // note: east-side IOBs should have slew=med, others slew=fast
503 slew((!northsouth && col==1) ? MEDIUM : FAST);
505 public void enableInput() {
510 public void useoem(boolean use) { dev.mode4(z(3), row, col, 6, use); }
511 public boolean useoem() { return (dev.mode4(z(3), row, col) & (1<<6))!=0; }
512 public void schmitt(boolean use) { dev.mode4(z(0), row, col, 7, use); }
513 public boolean schmitt() { return (dev.mode4(z(0), row, col) & (1<<7))!=0; }
515 public void slew(int slew) {
517 case FAST: dev.mode4(z(0), row, col, 3<<5, 0x60); return;
518 case MEDIUM: dev.mode4(z(0), row, col, 2<<5, 0x60); return;
519 case SLOW: dev.mode4(z(0), row, col, 1<<5, 0x60); return;
520 default: throw new Error();
524 public void oem(int source) {
526 case ALWAYS_ON: dev.mode4(z(3), row, col, 1<<5, 0x3f); return;
527 case ALWAYS_OFF: dev.mode4(z(3), row, col, 0, 0x3f); return;
528 default: throw new Error();
532 private int z(int code) { return (northsouth ? 0x70 : 0x60) | (primary ? 0x00 : 0x04) | (code & 0x7); }
533 public void pullup() { dev.mode4(z(0), row, col, 0x00<<1, 0x06); }
534 public void pulldown() { dev.mode4(z(0), row, col, 0x03<<1, 0x06); }
535 public void pullnone() { dev.mode4(z(0), row, col, 0x01<<1, 0x06); }
536 public void oe(boolean oe) {
537 int old = dev.mode4(z(1), row, col) & (~(1<<5));
538 old |= oe ? 0 : (1<<5);
539 dev.mode4(z(1), row, col, old & 0xff);
542 public void output(int which) {
545 dev.mode4(z(1), row, col, 0, 0x1f); return;
546 case WEST: case EAST: case NORTH: case SOUTH:
547 dev.mode4(z(1), row, col, 1<<0, 0x1f); return;
548 case NW: case SW: case NE: case SE:
549 dev.mode4(z(1), row, col, 1<<1, 0x1f); return;
550 default: throw new Error();
556 public static void main(String[] s) throws Exception {
557 System.out.println(printLut(0x39, "se", "n", "L0"));
559 public static synchronized String printLut(int lut, String xn, String yn, String zn) {
561 File f = File.createTempFile("mvsis", ".mvs");
564 FileOutputStream fos = new FileOutputStream(f);
565 PrintWriter pw = new PrintWriter(new OutputStreamWriter(fos));
566 pw.println(".model clb");
567 pw.println(".inputs "+xn+" "+yn+" "+zn);
568 pw.println(".outputs O");
569 pw.println(".table "+xn+" "+yn+" "+zn+/*("X_xor_Y X_xor_Z Y_xor_Z")+*/ " -> O");
570 for(int i=8; i>=0; i--) {
571 int x = ((i & 0x01)!=0 ? 1 : 0);
572 int y = ((i & 0x02)!=0 ? 1 : 0);
573 int z = ((i & 0x04)!=0 ? 1 : 0);
577 //pw.print(" "+(x ^ y)+" ");
578 //pw.print(" "+(y ^ z)+" ");
579 //pw.print(" "+(z ^ y)+" ");
580 pw.print((lut & (1<<i))==0 ? 0 : 1);
586 Process p = Runtime.getRuntime().exec(new String[] { "mvsis", "-c", "simplify;print_factor", f.getAbsolutePath() });
587 new Gobble("mvsis: ", p.getErrorStream()).start();
588 //new Gobble("mvsis: ", p.getInputStream()).start();
589 BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
590 String ret = br.readLine();
593 } catch (Exception e) {
595 return "*mvsis_error*";
599 public static class Gobble extends Thread {
600 private final String header;
601 private final BufferedReader br;
602 public Gobble(String header, BufferedReader br) { this.br = br; this.header = header; }
603 public Gobble(String header, Reader r) { this(header, new BufferedReader(r)); }
604 public Gobble(String header, InputStream is) { this(header, new InputStreamReader(is)); }
607 for(String s = br.readLine(); s!=null; s=br.readLine())
608 System.err.println(header + s);
609 } catch (Exception e) {