--- /dev/null
+package com.atmel.fpslic;
+
+import java.util.*;
+import java.io.*;
+import org.ibex.util.Log;
+import edu.berkeley.abits.*;
+import static com.atmel.fpslic.FpslicConstants.*;
+
+public abstract class FpslicDevice implements Device {
+
+ private final int width;
+ private final int height;
+
+ public FpslicDevice(int width, int height) {
+ this.width = width;
+ this.height = height;
+ }
+
+ public int getWidth() { return width; }
+ public int getHeight() { return height; }
+
+ public abstract void flush();
+ public abstract void mode4(int z, int y, int x, int d);
+ public abstract byte mode4(int z, int y, int x);
+
+ public byte mode4zyx(int zyx) { return mode4(zyx>>24, (zyx>>16)&0xff, (zyx>>8)&0xff); }
+ public void mode4zyx(int zyx, int d, int invmask) { mode4(zyx>>24, (zyx>>16)&0xff, (zyx>>8)&0xff, d, invmask); }
+ public void mode4(int z, int y, int x, int d, int invmask) {
+ int old = mode4(z, y, x);
+ old &= ~invmask;
+ old |= d;
+ mode4(z, y, x, old);
+ }
+ public void mode4zyx(int zyx, int bit, boolean set) { mode4(zyx>>24, (zyx>>16)&0xff, (zyx>>8)&0xff, bit, set); }
+ public void mode4(int z, int y, int x, int bit, boolean set) {
+ int old = mode4(z, y, x);
+ old &= ~(1 << bit);
+ old |= set ? (1 << bit) : 0;
+ mode4(z, y, x, old);
+ }
+
+ // Inner Classes ///////////////////////////////////////////////////////////////////////////////
+
+ public final class Sector {
+ public final int col;
+ public final int row;
+ public Sector(Cell c) { this((c.col/4)*4, (c.row/4)*4); }
+ private Sector(int col, int row) {
+ if (row % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 row");
+ if (col % 4 != 0) throw new Error("Sector must be created with a multiple-of-4 col");
+ this.row = row;
+ this.col = col;
+ }
+ public Sector north() { return row+4>=getHeight() ? null : new Sector(col, row+4); }
+ public Sector south() { return row==0 ? null : new Sector(col, row-4); }
+ public Sector east() { return col+4>=getWidth() ? null : new Sector(col+4, row); }
+ public Sector west() { return col==0 ? null : new Sector(col-4, row); }
+ public Cell cell() { return FpslicDevice.this.cell(col, row); }
+ }
+
+ public final class SectorWire {
+ public final boolean global;
+ public final boolean horizontal;
+ public final int plane;
+ public final int row;
+ public final int col;
+ public SectorWire(boolean horizontal, int plane, int col, int row) {
+ this(horizontal, plane, col, row, false);
+ }
+
+ public void useColumnClock() {
+ // this is very poorly understood
+ if (horizontal) throw new RuntimeException();
+ mode4(0x25, (row>>2)+1, col, 0x80);
+ mode4(0x29, (row>>2), col, 0x40);
+ }
+
+ public SectorWire(boolean horizontal, int plane, int col, int row, boolean global) {
+ this.horizontal=horizontal;
+ this.global=global;
+ this.plane=plane;
+ this.col= horizontal ? (col & ~0x3) : col;
+ this.row=!horizontal ? (row & ~0x3) : row;
+ }
+ public SectorWire global() {
+ return new SectorWire(horizontal, plane, col, row, true);
+ }
+ public boolean isDriven() {
+ // FIXME: bridging connections (horiz-to-vert)
+ for(int i=0; i<4; i++)
+ if (cell(horizontal ? col+i : col,
+ horizontal ? row : row+i).out(plane)) return true;
+ // FIXME: sector switchbox drivers
+ return false;
+ }
+ private int z(int z) { return (horizontal ? 0x30 : 0x20) | z; }
+ public int code(boolean topleft) {
+ switch(plane) {
+ case 0: return z(8)+(topleft?0:1);
+ case 1: return z(6)+(topleft?0:1);
+ case 2: return z(2*(4-plane))+(topleft?0:1);
+ case 3: return z(2*(4-plane))+(topleft?0:1);
+ case 4: return z(2*(4-plane))+(topleft?0:1);
+ }
+ throw new Error();
+ }
+
+ private final int fine() { return horizontal ? row : col; }
+ public final int coarse() { return horizontal ? col : row; }
+ private int _row() { return horizontal ? row : ((row)>>2); }
+ private int _col() { return horizontal ? ((col)>>2) : col; }
+
+ public SectorWire west() { return !horizontal ? null : col-4<0 ? null : new SectorWire(horizontal, plane, col-4, row); }
+ public SectorWire east() { return !horizontal ? null : col+4>=getWidth() ? null : new SectorWire(horizontal, plane, col+4, row); }
+ public SectorWire north() { return horizontal ? null : row+4>=getHeight() ? null : new SectorWire(horizontal, plane, col, row+4); }
+ public SectorWire south() { return horizontal ? null : row-4<0 ? null : new SectorWire(horizontal, plane, col, row-4); }
+
+ public String toString() {
+ return
+ (horizontal?(col+":"+(col+3)):(""+col))+","+
+ (horizontal?(row+"") :(row+":"+(row+3)))+
+ "x"+plane;
+ }
+
+ /** returns the ZYX0 coordinate of the byte controlling the switchbox that allows <tt>w</tt> to drive this wire */
+ public int switchbox(SectorWire w) {
+ if (w.horizontal==horizontal) {
+ if (w.plane!=plane) throw new Error();
+ if (Math.abs(w.coarse()-coarse())!=4) throw new Error(w.coarse() + " -- " + coarse());
+ boolean topleft = horizontal ? (w.coarse() < coarse()) : (w.coarse() > coarse());
+ int col = _col() + (( horizontal && !topleft) ? 1 : 0);
+ int row = _row() + ((!horizontal && topleft) ? 1 : 0);
+ return (code(topleft) << 24) | (row<<16) | (col<<8);
+ }
+ throw new Error("not implemented");
+ }
+
+ public void dork() {
+ mode4zyx(switchbox(north()), (1<<6), (1<<6));
+ }
+
+ public void drives(SectorWire w, boolean enable) {
+ // FIXME: better error checks?
+ int val = 0;
+ if (enable) {
+ if (!global) val = 0x02;
+ else val = 0x04;
+ }
+ int mask = 0x07;
+ if (w.global) { mask = mask << 3; val = val << 3; }
+ mode4zyx(switchbox(w), val, mask);
+ }
+
+ public boolean drives(SectorWire w) {
+ // FIXME: better error checks?
+ int connect = (mode4zyx(switchbox(w)) >> (global?3:0)) & 0x7;
+ return (connect & 0x2)!=0;
+ }
+ public SectorWire driverRight() {
+ //System.out.println("checking " + Integer.toString(code(true), 16) + " " +
+ //Integer.toString(_row(), 16) + " " + Integer.toString(_col(), 16));
+ int ret = mode4(z(code(true)), _row(), _col());
+ ret = (ret >> (global?3:0)) & 0x7;
+ switch(ret) {
+ case 0: return null;
+ case 1: return null; /* global wire on same side */
+ case 2: return new SectorWire(horizontal, plane, horizontal?(col+4):col, horizontal?row:(row+4));
+ case 4: return null; /* global wire on other side */
+ default: throw new Error("multiple drivers on " + this + "!");
+ }
+ }
+
+ public boolean touches(Cell c) {
+ return
+ horizontal
+ ? (c.row==_row() && (_col()/4 == c.col/4))
+ : (c.col==_col() && (_row()/4 == c.row/4));
+ }
+ }
+ /*
+ public final class SwitchBox {
+ public final boolean h;
+ public final int col;
+ public final int row;
+ public final int plane;
+ public SwitchBox(boolean h, int col, int row, int plane) { this.h = h; this.col = col; this.row = row; this.plane = plane; }
+ public SectorWire west(boolean global) { return !h ? null : global ? null : new SectorWire(h, col-4, row, plane); }
+ public SectorWire east(boolean global) { return !h ? null : global ? null : new SectorWire(h, col+4, row, plane); }
+ public SectorWire north(boolean global) { return !h ? null : global ? null : new SectorWire(h, col, row-4, plane); }
+ public SectorWire south(boolean global) { return !h ? null : global ? null : new SectorWire(h, col, row+4, plane); }
+ }
+ */
+
+ public Cell cell(int col, int row) {
+ if (col<0) return null;
+ if (row<0) return null;
+ if (col>=getWidth()) return null;
+ if (row>=getHeight()) return null;
+ return new Cell(col, row);
+ }
+
+ public final class Cell {
+ public final int col;
+ public final int row;
+
+ public void setColumnClock(int where) {
+ mode4(0x50, 0x00, col, where);
+ }
+
+ public String toString() { return "cell@("+col+","+row+")"; }
+
+ public Cell(int col, int row) {
+ this.row = row;
+ this.col = col;
+ }
+
+ public FpslicDevice fpslic() { return FpslicDevice.this; }
+ public int hashCode() { return col ^ row ^ FpslicDevice.this.hashCode(); }
+ public boolean equals(Object o) {
+ if (o==null || (!(o instanceof Cell))) return false;
+ Cell c = (Cell)o;
+ return c.col == col && c.row == row && c.fpslic()==fpslic();
+ }
+
+ // Accessors for Neighbors //////////////////////////////////////////////////////////////////////////////
+
+ public SectorWire hwire(int plane) { return new SectorWire(true, plane, col, row); }
+ public SectorWire vwire(int plane) { return new SectorWire(false, plane, col, row); }
+ public Cell east() { return cell(col+1, row); }
+ public Cell west() { return cell(col-1, row); }
+ public Cell north() { return cell(col, row+1); }
+ public Cell south() { return cell(col, row-1); }
+ public Cell ne() { return cell(col+1, row+1); }
+ public Cell nw() { return cell(col-1, row+1); }
+ public Cell se() { return cell(col+1, row-1); }
+ public Cell sw() { return cell(col-1, row-1); }
+ public Sector sector() { return new Sector(this); }
+
+ /* bit positions mean: [MSB] zxy z_y zx_ z__ _xy __y _x_ ___ [LSB] */
+ public void lut(int xlut, int ylut) { xlut(xlut); ylut(ylut); }
+ public void xlut(int table) { mode4(7, row, col, (byte)(table & 0xff)); }
+ public byte xlut() { return (byte)(mode4(7, row, col) & 0xff); }
+
+ public String str(int x, String def) {
+ switch(x) {
+ case NORTH: return "n";
+ case SOUTH: return "s";
+ case EAST: return "e";
+ case WEST: return "w";
+ case NW: return "nw";
+ case SE: return "se";
+ case NE: return "ne";
+ case SW: return "sw";
+ case FB: return "fb";
+ case L0: return (hx(0)&&vx(0))?"HV0":hx(0)?"H0":vx(0)?"V0":"L0";
+ case L1: return (hx(1)&&vx(1))?"HV1":hx(1)?"H1":vx(1)?"V1":"L1";
+ case L2: return (hx(2)&&vx(2))?"HV2":hx(2)?"H2":vx(2)?"V2":"L2";
+ case L3: return (hx(3)&&vx(3))?"HV3":hx(3)?"H3":vx(3)?"V3":"L3";
+ case L4: return (hx(4)&&vx(4))?"HV4":hx(4)?"H4":vx(4)?"V4":"L4";
+ default: return def;
+ }
+ }
+
+ /* bit positions mean: [MSB] zxy zx_ z_y z__ _xy _x_ __y ___ [LSB] */
+ public void ylut(int table) { mode4(6, row, col, (byte)(table & 0xff)); }
+ public byte ylut() { return (byte)(mode4(6, row, col) & 0xff); }
+
+ public void ff_reset_value(boolean value) {
+ //mode4( /* FIXME WRONG!!! */, row, col, 3, !value); return;
+ }
+ /** FIXME!!! */
+ public boolean ff_reset_value() { return false; }
+ public boolean columnClocked() {
+ return false;
+ }
+
+ public void out(int plane, boolean enable) {
+ switch(plane) {
+ case L0: mode4(0x00, row, col, 2, enable); return;
+ case L1: mode4(0x00, row, col, 3, enable); return;
+ case L2: mode4(0x00, row, col, 5, enable); return;
+ case L3: mode4(0x00, row, col, 4, enable); return;
+ case L4: mode4(0x00, row, col, 1, enable); return;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public boolean out(int plane) {
+ switch(plane) {
+ case L0: return (mode4(0x00, row, col) & (1<<2)) != 0;
+ case L1: return (mode4(0x00, row, col) & (1<<3)) != 0;
+ case L2: return (mode4(0x00, row, col) & (1<<5)) != 0;
+ case L3: return (mode4(0x00, row, col) & (1<<4)) != 0;
+ case L4: return (mode4(0x00, row, col) & (1<<1)) != 0;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public void h(int plane, boolean enable) {
+ switch(plane) {
+ case 0: mode4(0x08, row, col, 0, enable); return;
+ case 1: mode4(0x08, row, col, 2, enable); return;
+ case 2: mode4(0x08, row, col, 5, enable); return;
+ case 3: mode4(0x08, row, col, 6, enable); return;
+ case 4: mode4(0x00, row, col, 6, enable); return;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public boolean hx(int plane) {
+ switch(plane) {
+ case 0: return (mode4(0x08, row, col) & (1<<0)) != 0;
+ case 1: return (mode4(0x08, row, col) & (1<<2)) != 0;
+ case 2: return (mode4(0x08, row, col) & (1<<5)) != 0;
+ case 3: return (mode4(0x08, row, col) & (1<<6)) != 0;
+ case 4: return (mode4(0x00, row, col) & (1<<6)) != 0;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public void v(int plane, boolean enable) {
+ switch(plane) {
+ case 0: mode4(0x08, row, col, 1, enable); return;
+ case 1: mode4(0x08, row, col, 3, enable); return;
+ case 2: mode4(0x08, row, col, 4, enable); return;
+ case 3: mode4(0x08, row, col, 7, enable); return;
+ case 4: mode4(0x00, row, col, 7, enable); return;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public boolean vx(int plane) {
+ switch(plane) {
+ case 0: return (mode4(0x08, row, col) & (1<<1)) != 0;
+ case 1: return (mode4(0x08, row, col) & (1<<3)) != 0;
+ case 2: return (mode4(0x08, row, col) & (1<<4)) != 0;
+ case 3: return (mode4(0x08, row, col) & (1<<7)) != 0;
+ case 4: return (mode4(0x00, row, col) & (1<<7)) != 0;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+
+ public int ti_source() {
+ switch(mode4(1, row, col) & 0x30) {
+ case 0x20: return zi();
+ case 0x10: return FB;
+ case 0x00: return wi();
+ default: throw new Error("ack!");
+ }
+ }
+
+ public int t() {
+ switch(mode4(1, row, col) & 0x30) {
+ case 0x00: return TMUX_W;
+ case 0x10: return wi()==NONE ? TMUX_FB : TMUX_W_AND_FB;
+ case 0x20: return wi()==NONE ? TMUX_Z : TMUX_W_AND_Z;
+ case 0x30: throw new RuntimeException("illegal!");
+ default: return TMUX_W;
+ }
+ }
+
+ public void t(int code) {
+ int result = 0;
+ switch(code) {
+ case TMUX_W: result = 0x00; break;
+ case TMUX_Z: result = 0x20; break;
+ case TMUX_W_AND_Z: result = 0x20; break;
+ case TMUX_FB: result = 0x10; break;
+ case TMUX_W_AND_FB: result = 0x10; break;
+ default: result = 0x00; break;
+ }
+ mode4(1, row, col, result, 0x30);
+ }
+ /*
+ private void fmux(int source) {
+ switch(source) {
+ case ZMUX:
+ case FB:
+ case ALWAYS_ON:
+ default: throw new Error("unknown argument to fmux()");
+ }
+ }
+
+ public boolean win_easable() {
+ }
+ */
+
+ public int ti() {
+ return mode4(1, row, col) & 0x34;
+ }
+
+ public void t(boolean ignore_z_and_fb, boolean zm_drives_fb, boolean fb_drives_wm) {
+ // still not totally satisfied...
+ // need to find the bit that sets the w-mux off
+ // what does it mean for both bits (0x30) to be set to 1?
+ //if (fb && z) throw new RuntimeException("invalid combination");
+ int result = 0;
+ // ZM->FB = 0x04
+ // FB->WM = 0x10
+ // WZ->WM = 0x20
+
+ // tff => w&z [0x20]
+ // fff => w [0x00]
+ // ttt => fb&w [0x34]
+ // ftt => fb&w [0x14]
+ // fft => fb&w [0x10]
+
+ // ttf => w&z [0x24]
+ // ftf => w [0x04]
+ // tft => fb&w [0x30]
+ if (ignore_z_and_fb) result |= 0x20;
+ if (zm_drives_fb) result |= 0x04;
+ if (fb_drives_wm) result |= 0x10;
+ mode4(1, row, col, result, 0x34);
+ }
+
+
+ public void c(int source) {
+ switch(source) {
+ case XLUT: mode4(1, row, col, 0x00, 0xc0); break;
+ case YLUT: mode4(1, row, col, 0x40, 0xc0); break;
+ case ZMUX: mode4(1, row, col, 0x80, 0xc0); break;
+ default: throw new RuntimeException("Invalid Argument");
+ }
+ }
+ public int c() {
+ int cval = mode4(1, row, col) & 0xc0;
+ switch (cval) {
+ case 0x00: return XLUT;
+ case 0x40: return YLUT;
+ case 0x80: return ZMUX;
+ }
+ throw new Error("c() => " + cval);
+ }
+ public void b(boolean registered) { mode4(1, row, col, 3, !registered); }
+ public void f(boolean registered) { mode4(1, row, col, 2, !registered); }
+ public boolean xo() { return (mode4(1, row, col) & 0x01) != 0; }
+ public boolean yo() { return (mode4(1, row, col) & 0x02) != 0; }
+ public void xo(boolean center) { mode4(1, row, col, 0, center); }
+ public void yo(boolean center) { mode4(1, row, col, 1, center); }
+
+ public void xo(Cell c) {
+ if (c.row==row || c.col==col) { // use the y-input
+ xlut(LUT_OTHER);
+ yi(c);
+ } else {
+ xlut(LUT_SELF);
+ xi(c);
+ }
+ xo(false);
+ }
+
+ public void yo(Cell c) {
+ if (!(c.row==row || c.col==col)) { // use the x-input
+ ylut(LUT_OTHER);
+ xi(c);
+ } else {
+ ylut(LUT_SELF);
+ yi(c);
+ }
+ yo(false);
+ }
+
+ public boolean b() { return (mode4(1, row, col) & (1 << 3)) == 0; }
+ public boolean f() { return (mode4(1, row, col) & (1 << 2)) == 0; }
+ public boolean x() { return (mode4(1, row, col) & (1 << 1)) != 0; }
+ public boolean y() { return (mode4(1, row, col) & (1 << 0)) != 0; }
+
+ public int oe() {
+ switch (mode4(0x02, row, col) & 0x3) {
+ case 0: return NONE;
+ case 1: return H4;
+ case 2: return V4;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+ public void oe(int source) {
+ switch(source) {
+ case NONE: mode4(0x02, row, col, 0, 0x3); break;
+ case H4: mode4(0x02, row, col, 1, 0x3); break;
+ case V4: mode4(0x02, row, col, 2, 0x3); break;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public int xi() {
+ // FIXME: can be multiple
+ if ((mode4(0x03, row, col) & (1<<4))!=0) return L4;
+ switch(mode4(0x05, row, col) & 0xff) {
+ case 0x80: return SW;
+ case (1<<6): return NE;
+ case (1<<5): return SE;
+ case (1<<4): return NW;
+ case (1<<3): return L0;
+ case (1<<2): return L1;
+ case (1<<1): return L2;
+ case (1<<0): return L3;
+ case 0: return NONE;
+ default: throw new Error();
+ }
+ }
+
+ public void xi(int source) {
+ switch(source) {
+ case SW: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 1<<7); break;
+ case NE: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 1<<6); break;
+ case SE: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 1<<5); break;
+ case NW: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 1<<4); break;
+
+ case L0: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 1<<3); break;
+ case L1: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 1<<2); break;
+ case L2: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 1<<1); break;
+ case L3: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 1<<0); break;
+ case L4: mode4(0x03, row, col, 4, true); mode4(0x05, row, col, 0); break;
+
+ case NONE: mode4(0x03, row, col, 4, false); mode4(0x05, row, col, 0); break;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public void xi(SectorWire sw) {
+ if (!sw.touches(this)) throw new RuntimeException("invalid argument");
+ xi(sw.plane);
+ }
+
+ public void xi(Cell c) {
+ if (c.row==row-1 && c.col==col-1) xi(SW);
+ else if (c.row==row+1 && c.col==col-1) xi(NW);
+ else if (c.row==row-1 && c.col==col+1) xi(SE);
+ else if (c.row==row+1 && c.col==col+1) xi(NE);
+ else throw new RuntimeException("invalid argument");
+ }
+
+ public int yi() {
+ if ((mode4(0x02, row, col) & (1<<6))!=0) return L4;
+ switch(mode4(0x04, row, col) & 0xff) {
+ case (1<<7): return NORTH;
+ case (1<<5): return SOUTH;
+ case (1<<6): return WEST;
+ case (1<<4): return EAST;
+ case (1<<3): return L0;
+ case (1<<2): return L1;
+ case (1<<1): return L2;
+ case (1<<0): return L3;
+ case 0: return NONE;
+ default: throw new Error();
+ }
+ }
+
+ public void yi(int source) {
+ switch(source) {
+ case NORTH: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 1<<7); break;
+ case SOUTH: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 1<<5); break;
+ case WEST: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 1<<6); break;
+ case EAST: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 1<<4); break;
+ case L4: mode4(0x02, row, col, 6, true); mode4(0x04, row, col, 0); break;
+ case L3: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 1<<0); break;
+ case L2: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 1<<1); break;
+ case L1: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 1<<2); break;
+ case L0: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 1<<3); break;
+ case NONE: mode4(0x02, row, col, 6, false); mode4(0x04, row, col, 0); break;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public void yi(SectorWire sw) {
+ if (!sw.touches(this)) throw new RuntimeException("invalid argument");
+ yi(sw.plane);
+ }
+
+ public void yi(Cell c) {
+ if (c.row==row-1 && c.col==col) yi(SOUTH);
+ else if (c.row==row+1 && c.col==col) yi(NORTH);
+ else if (c.row==row && c.col==col-1) yi(WEST);
+ else if (c.row==row && c.col==col+1) yi(EAST);
+ else throw new RuntimeException("invalid argument");
+ }
+
+ public void wi(SectorWire sw) {
+ if (!sw.touches(this)) throw new RuntimeException("invalid argument");
+ wi(sw.plane);
+ }
+
+ public void wi(int source) {
+ switch(source) {
+ case L4: mode4(0x03, row, col, 1<<5, 0xEC); break;
+ case L3: mode4(0x03, row, col, 1<<6, 0xEC); break;
+ case L2: mode4(0x03, row, col, 1<<7, 0xEC); break;
+ case L1: mode4(0x03, row, col, 1<<3, 0xEC); break;
+ case L0: mode4(0x03, row, col, 1<<2, 0xEC); break;
+ case NONE: mode4(0x03, row, col, 0, 0xEC); break;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public int wi() {
+ int who = mode4(0x03, row, col) & 0xEC;
+ switch(who) {
+ case (1<<5): return L4;
+ case (1<<6): return L3;
+ case (1<<7): return L2;
+ case (1<<3): return L1;
+ case (1<<2): return L0;
+ case (1<<0): return NONE; /* huh? */
+ case (0): return NONE;
+ default: throw new RuntimeException("invalid argument: " + who);
+ }
+ }
+
+
+ public void zi(SectorWire sw) {
+ if (!sw.touches(this)) throw new RuntimeException("invalid argument");
+ zi(sw.plane);
+ }
+
+ public void zi(int source) {
+ switch(source) {
+ case L4: mode4(0x02, row, col, 1<<7, 0xDB); break;
+ case L3: mode4(0x02, row, col, 1<<5, 0xDB); break;
+ case L2: mode4(0x02, row, col, 1<<4, 0xDB); break;
+ case L1: mode4(0x02, row, col, 1<<3, 0xDB); break;
+ case L0: mode4(0x02, row, col, 1<<2, 0xDB); break;
+ case NONE: mode4(0x02, row, col, 0, 0xDB); break;
+ default: throw new RuntimeException("invalid argument");
+ }
+ }
+
+ public int zi() {
+ switch(mode4(0x02, row, col) & 0x9B) {
+ case (1<<7): return L4;
+ case (1<<5): return L3;
+ case (1<<4): return L2;
+ case (1<<3): return L1;
+ case (1<<2): return L0;
+ case (1<<1): return NONE; /* huh? */
+ case (1<<0): return NONE; /* huh? */
+ case 0: return NONE;
+ default: throw new RuntimeException("invalid argument: zi=="+(mode4(0x02, row, col) & 0x9B));
+ }
+ }
+
+ public Cell dir(int i) {
+ switch(i) {
+ case NORTH: return north();
+ case SOUTH: return south();
+ case EAST: return east();
+ case WEST: return west();
+ case NW: return nw();
+ case SW: return sw();
+ case SE: return se();
+ case NE: return ne();
+ }
+ return null;
+ }
+ public int dir(Cell c) {
+ if (c.row==row-1 && c.col==col-1) return SW;
+ else if (c.row==row+1 && c.col==col-1) return NW;
+ else if (c.row==row-1 && c.col==col+1) return SE;
+ else if (c.row==row+1 && c.col==col+1) return NE;
+ else if (c.row==row-1 && c.col==col) return SOUTH;
+ else if (c.row==row+1 && c.col==col) return NORTH;
+ else if (c.row==row && c.col==col-1) return WEST;
+ else if (c.row==row && c.col==col+1) return EAST;
+ return -1;
+ }
+
+ public void generalized_c_element() {
+
+ /*
+ ylut(LUT_SELF & (~LUT_OTHER));
+ xlut((~LUT_SELF) | LUT_OTHER);
+ c(ZMUX);
+ zi(L2);
+ //h(L2, true);
+ out(L2, true);
+ xo(true);
+ yo(true);
+ */
+
+ //ylut(0xB2);
+ ylut((LUT_SELF & ~LUT_OTHER) | (LUT_Z & ~LUT_OTHER) | (LUT_Z & LUT_SELF & LUT_OTHER));
+ xlut(LUT_Z);
+ c(YLUT);
+ f(false);
+ b(false);
+ t(false, false, true);
+ yo(false);
+ xo(false);
+ }
+
+
+ // Relevance //////////////////////////////////////////////////////////////////////////////
+ public boolean relevant() {
+ return xo_relevant() || yo_relevant() || out_relevant();
+ }
+
+ public boolean xo_relevant() { return xo_relevant(NE) || xo_relevant(SE) || xo_relevant(NW) || xo_relevant(SW); }
+ public boolean xo_relevant(int direction) {
+ switch(direction) {
+ case NE: return ne() != null && ne().xi()==SW;
+ case NW: return nw() != null && nw().xi()==SE;
+ case SE: return se() != null && se().xi()==NW;
+ case SW: return sw() != null && sw().xi()==NE;
+ default: return false;
+ }
+ }
+ public boolean yo_relevant() { return yo_relevant(NORTH) || yo_relevant(SOUTH) || yo_relevant(EAST) || yo_relevant(WEST); }
+ public boolean yo_relevant(int direction) {
+ switch(direction) {
+ case NORTH: return north() != null && north().yi()==SOUTH /*&& north().yi_relevant()*/;
+ case EAST: return east() != null && east().yi()==WEST /*&& east().yi_relevant()*/;
+ case SOUTH: return south() != null && south().yi()==NORTH /*&& south().yi_relevant()*/;
+ case WEST: return west() != null && west().yi()==EAST /*&& west().yi_relevant()*/;
+ default: return false;
+ }
+ }
+ public boolean xi_relevant() { return xi_to_xlut_relevant() || xi_to_ylut_relevant(); }
+ public boolean yi_relevant() { return yi_to_xlut_relevant() || yi_to_ylut_relevant(); }
+ public boolean xi_to_ylut_relevant() { return (((ylut() & 0xcc) >> 2) != (ylut() & 0x33)); }
+ public boolean yi_to_xlut_relevant() { return (((xlut() & 0xcc) >> 2) != (xlut() & 0x33)); }
+ public boolean zi_to_xlut_relevant() { return (((xlut() & LUT_Z) >> 4) != (xlut() & LUT_Z)); }
+ public boolean zi_to_ylut_relevant() { return (((ylut() & LUT_Z) >> 4) != (ylut() & LUT_Z)); }
+ public boolean xi_to_xlut_relevant() { return (((xlut() & LUT_SELF) >> 1) != (xlut() & (LUT_SELF >> 1))); }
+ public boolean yi_to_ylut_relevant() { return (((ylut() & LUT_SELF) >> 1) != (ylut() & (LUT_SELF >> 1))); }
+ public boolean xlut_relevant() {
+ if ((c()==XLUT || c()==ZMUX) && c_relevant()) return true;
+ if (xo()) return false;
+ return xo_relevant();
+ }
+ public boolean ylut_relevant() {
+ if ((c()==YLUT || c()==ZMUX) && c_relevant()) return true;
+ if (yo()) return false;
+ return yo_relevant();
+ }
+ public boolean c_relevant() {
+ switch(ti()) {
+ case 0x34: return true;
+ case 0x14: return true;
+ case 0x10: return true;
+ case 0x30: return true;
+ }
+ for(int i=0; i<5; i++)
+ if (out(i))
+ return true;
+ if (xo() || yo()) return true;
+ return false;
+ }
+
+ public boolean register_relevant() {
+ if (!c_relevant()) return false;
+ if (f() && out_relevant()) return true;
+ if (f() && fb_relevant()) return true;
+ if (b() && xo()) return true;
+ if (b() && yo()) return true;
+ return false;
+ }
+ public boolean out_relevant() {
+ boolean out = false;
+ boolean connect = false;
+ for(int i=0; i<4; i++) {
+
+ // FIXME FIXME FIXME
+ if (i==3) continue;
+
+ if (out(L0+i)) out = true;
+ if (hx(L0+i)) connect = true;
+ if (vx(L0+i)) connect = true;
+ }
+ return out && connect;
+ }
+
+ public boolean fb_relevant() {
+ /*
+ if (!(zi_to_xlut_relevant()) ||
+ !(zi_to_ylut_relevant())) return false;
+ switch(ti()) {
+ case 0x34: return true;
+ case 0x14: return true;
+ case 0x10: return true;
+ case 0x30: return true;
+ }
+ return false;
+ */
+ return true;
+ }
+
+
+ }
+
+ public IOB iob_bot(int col, boolean primary) { return new IOB(col, 0, primary, true); }
+ public IOB iob_top(int col, boolean primary) { return new IOB(col, 1, primary, true); }
+ public IOB iob_left(int row, boolean primary) { return new IOB(0, row, primary, false); }
+ public IOB iob_right(int row, boolean primary) { return new IOB(1, row, primary, false); }
+ /*
+ public IOB fromPin(int pin) {
+ if (pin >= 4 && pin <= 11) return io(pin-3);
+ if (pin >= 15 && pin <= 18) return io(pin-2);
+ if (pin >= 19 && pin <= 24) return io(pin);
+ if (pin >= 27 && pin <= 30) return io(pin-2);
+ if (pin >= 33 && pin <= 36) return io(pin);
+ if (pin >= 38 && pin <= 47) return io(pin+1);
+
+
+ if (pin >= 33 && pin <= 36) return io(pin+36);
+ if (pin >= 38 && pin <= 41) return io(pin+43);
+ if (pin >= 42 && pin <= 43) return io(pin+47);
+ if (pin >= 44 && pin <= 47) return io(pin+49);
+ if (pin >= 57 && pin <= 62) return io(pin+40);
+ if (pin >= 63 && pin <= 66) return io(pin+46);
+ if (pin >= 68 && pin <= 71) return io(pin+53);
+ if (pin >= 72 && pin <= 73) return io(pin+53);
+ if (pin >= 74 && pin <= 75) return io(pin+63);
+ if (pin >= 76 && pin <= 77) return io(143+(pin-76));
+ if (pin >= 80 && pin <= 81) return io(145+(pin-80));
+ if (pin >= 82 && pin <= 85) return io(151+(pin-82));
+ if (pin >= 86 && pin <= 89) return io(165+(pin-86));
+ if (pin >= 91 && pin <= 94) return io(177+(pin-91));
+ if (pin >= 95 && pin <= 96) return io(183+(pin-95));
+ if (pin >= 97 && pin <= 100) return io(189+(pin-97));
+ if (pin >= 161 && pin <= 164) return io(289+(pin-161));
+ if (pin >= 165 && pin <= 166) return io(297+(pin-165));
+ if (pin >= 167 && pin <= 168) return io(303+(pin-167));
+ if (pin >= 169 && pin <= 170) return io(309+(pin-169));
+ if (pin >= 172 && pin <= 173) return io(313+(pin-172));
+ if (pin >= 174 && pin <= 175) return io(325+(pin-174));
+ if (pin >= 176 && pin <= 179) return io(327+(pin-176));
+ if (pin >= 180 && pin <= 181) return io(335+(pin-180));
+ if (pin >= 184 && pin <= 185) return io(337+(pin-184));
+ if (pin >= 186 && pin <= 191) return io(343+(pin-186));
+ if (pin >= 192 && pin <= 193) return io(359+(pin-192));
+ if (pin >= 195 && pin <= 196) return io(363+(pin-195));
+ if (pin >= 197 && pin <= 200) return io(369+(pin-197));
+ if (pin >= 201 && pin <= 204) return io(381+(pin-201));
+ }
+ public io(int ionum) {
+ if (ionum <= 94) {
+ int cell = (94 - pin) / 2;
+ boolean primary = cell * 2 == (94-pin);
+ }
+ }
+ */
+ public final class IOB {
+ public final int col;
+ public final int row;
+ public final boolean primary;
+ public final boolean northsouth;
+ public IOB(int col, int row, boolean primary, boolean northsouth) {
+ this.col = col;
+ this.row = row;
+ this.northsouth = northsouth;
+ this.primary = primary;
+ }
+ /*
+ public String dump() {
+ System.out.println("[ "+
+ (schmitt()?"schmitt ":"")+
+ (slew()==3?"fast ":slew()==2?"med ":slew()==1?"slow ":"slew-unknown ")+
+ (cr()?"cr ":"")+
+ (reg()?"reg ":"")+
+
+ }
+ */
+ public void enableOutput(int direction) {
+ useoem(true);
+ output(direction);
+ pullnone();
+ useoem(true);
+ oem(ALWAYS_ON);
+ oe(true);
+ // note: east-side IOBs should have slew=med, others slew=fast
+ slew((!northsouth && col==1) ? MEDIUM : FAST);
+ }
+ public void enableInput() {
+ schmitt(true);
+ pullnone();
+ }
+
+ public void useoem(boolean use) { mode4(z(3), row, col, 6, use); }
+ public boolean useoem() { return (mode4(z(3), row, col) & (1<<6))!=0; }
+ public void schmitt(boolean use) { mode4(z(0), row, col, 7, use); }
+ public boolean schmitt() { return (mode4(z(0), row, col) & (1<<7))!=0; }
+
+ public void slew(int slew) {
+ switch(slew) {
+ case FAST: mode4(z(0), row, col, 3<<5, 0x60); return;
+ case MEDIUM: mode4(z(0), row, col, 2<<5, 0x60); return;
+ case SLOW: mode4(z(0), row, col, 1<<5, 0x60); return;
+ default: throw new Error();
+ }
+ }
+
+ public void oem(int source) {
+ switch(source) {
+ case ALWAYS_ON: mode4(z(3), row, col, 1<<5, 0x3f); return;
+ case ALWAYS_OFF: mode4(z(3), row, col, 0, 0x3f); return;
+ default: throw new Error();
+ }
+ }
+
+ private int z(int code) { return (northsouth ? 0x70 : 0x60) | (primary ? 0x00 : 0x04) | (code & 0x7); }
+ public void pullup() { mode4(z(0), row, col, 0x00<<1, 0x06); }
+ public void pulldown() { mode4(z(0), row, col, 0x03<<1, 0x06); }
+ public void pullnone() { mode4(z(0), row, col, 0x01<<1, 0x06); }
+ public void oe(boolean oe) {
+ int old = mode4(z(1), row, col) & (~(1<<5));
+ old |= oe ? 0 : (1<<5);
+ mode4(z(1), row, col, old & 0xff);
+ }
+
+ public void output(int which) {
+ switch(which) {
+ case NONE:
+ mode4(z(1), row, col, 0, 0x1f); return;
+ case WEST: case EAST: case NORTH: case SOUTH:
+ mode4(z(1), row, col, 1<<0, 0x1f); return;
+ case NW: case SW: case NE: case SE:
+ mode4(z(1), row, col, 1<<1, 0x1f); return;
+ default: throw new Error();
+ }
+ }
+
+ }
+
+ public void readMode4(Reader r) throws IOException {
+ int count = 0;
+ BufferedReader br = new BufferedReader(r);
+ for(String str = br.readLine(); str != null; str = br.readLine()) {
+ long foo = Long.parseLong(str, 16);
+ mode4((int)(foo >> 24), (int)(foo >> 16), (int)(foo >> 8), (int)(foo >> 0));
+ count++;
+ }
+ flush();
+ r.close();
+ }
+
+ public void writeMode4(Writer w) throws IOException {
+ // FIXME: there are resources "above" the top of the device
+ for(int x=0; x<getWidth(); x++)
+ for(int y=0; y<getWidth(); y++)
+ for(int z=0; z<255; z++) {
+ if ((z > 0x09 && z < 0x10) ||
+ (z > 0x11 && z < 0x20) ||
+ (z > 0x29 && z < 0x30) ||
+ (z > 0x39 && z < 0x40) ||
+ (z > 0x41 && z < 0x60) ||
+ (z > 0x67 && z < 0x70) ||
+ (z > 0x77 && z < 0xD0) ||
+ (z > 0xD3))
+ continue;
+ w.write(hex2(z));
+ w.write(hex2(y));
+ w.write(hex2(x));
+ w.write(hex2(mode4(z, y, x) & 0xff));
+ w.write('\n');
+ }
+ w.flush();
+ }
+
+ private static String hex2(int i) {
+ String ret = Integer.toString(i, 16);
+ while(ret.length() < 2) ret = "0"+ret;
+ return ret.toUpperCase();
+ }
+
+}
projects / slipway.git / blobdiff