+++ /dev/null
-package com.atmel.fpslic;
-
-import java.util.*;
-import java.io.*;
-import org.ibex.util.Log;
-import static com.atmel.fpslic.FpslicConstants.*;
-
-public abstract class Fpslic {
-
- public Fpslic(int width, int height) { this.width = width; this.height = height; }
-
- private int width;
- private int 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 Fpslic.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 Fpslic fpslic() { return Fpslic.this; }
- public int hashCode() { return col ^ row ^ Fpslic.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 printXLut() { return FpslicUtil.printLut(xlut(), "x", "y", "t"); }
- public String printXLutX() { return FpslicUtil.printLut(xlut(), str(xi(), "x"), str(yi(), "y"), str(ti_source(), "t")); }
-
- 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 String printYLut() { return FpslicUtil.printLut(ylut(), "y", "x", "t"); }
- public String printYLutX() { return FpslicUtil.printLut(ylut(), str(yi(), "y"), str(xi(), "x"), str(ti_source(), "t")) + Integer.toString(ylut() & 0xff, 16); }
-
- 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();
- }
- }
-
- }
-
-
-}
projects / slipway.git / blobdiff