net.mograsim.logic.model.am2900/src/net/mograsim/logic/model/am2900/components/am2910/GUIAm2910InstrPLA.java

   1 package net.mograsim.logic.model.am2900.components.am2910;
   2
   3 import static net.mograsim.logic.core.types.Bit.ONE;
   4 import static net.mograsim.logic.core.types.Bit.U;
   5 import static net.mograsim.logic.core.types.Bit.X;
   6 import static net.mograsim.logic.core.types.Bit.ZERO;
   7
   8 import java.util.Map;
   9
  10 import net.mograsim.logic.core.types.Bit;
  11 import net.mograsim.logic.core.wires.Wire.ReadEnd;
  12 import net.mograsim.logic.core.wires.Wire.ReadWriteEnd;
  13 import net.mograsim.logic.model.model.ViewModelModifiable;
  14 import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedGUIComponent;
  15 import net.mograsim.logic.model.model.wires.Pin;
  16 import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
  17
  18 public class GUIAm2910InstrPLA extends SimpleRectangularHardcodedGUIComponent
  19 {
  20         public GUIAm2910InstrPLA(ViewModelModifiable model, String name)
  21         {
  22                 super(model, name, "Instr.\nPLA");
  23                 setSize(30, 85);
  24                 addPin(new Pin(this, "PASS", 1, 0, 5), Usage.INPUT, Position.RIGHT);
  25                 addPin(new Pin(this, "I3", 1, 0, 20), Usage.INPUT, Position.RIGHT);
  26                 addPin(new Pin(this, "I2", 1, 0, 30), Usage.INPUT, Position.RIGHT);
  27                 addPin(new Pin(this, "I1", 1, 0, 40), Usage.INPUT, Position.RIGHT);
  28                 addPin(new Pin(this, "I0", 1, 0, 50), Usage.INPUT, Position.RIGHT);
  29                 addPin(new Pin(this, "R=0", 1, 15, 0), Usage.INPUT, Position.BOTTOM);
  30                 addPin(new Pin(this, "_PL", 1, 5, 85), Usage.OUTPUT, Position.TOP);
  31                 addPin(new Pin(this, "_MAP", 1, 15, 85), Usage.OUTPUT, Position.TOP);
  32                 addPin(new Pin(this, "_VECT", 1, 25, 85), Usage.OUTPUT, Position.TOP);
  33                 addPin(new Pin(this, "RWE", 1, 30, 5), Usage.OUTPUT, Position.LEFT);
  34                 addPin(new Pin(this, "RDEC", 1, 30, 15), Usage.OUTPUT, Position.LEFT);
  35                 addPin(new Pin(this, "YD", 1, 30, 25), Usage.OUTPUT, Position.LEFT);
  36                 addPin(new Pin(this, "YR", 1, 30, 35), Usage.OUTPUT, Position.LEFT);
  37                 addPin(new Pin(this, "YF", 1, 30, 45), Usage.OUTPUT, Position.LEFT);
  38                 addPin(new Pin(this, "YmuPC", 1, 30, 55), Usage.OUTPUT, Position.LEFT);
  39                 addPin(new Pin(this, "STKI0", 1, 30, 65), Usage.OUTPUT, Position.LEFT);
  40                 addPin(new Pin(this, "STKI1", 1, 30, 75), Usage.OUTPUT, Position.LEFT);
  41         }
  42
  43         @Override
  44         protected Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
  45         {
  46                 ReadEnd PASS = readEnds.get("PASS");
  47                 ReadEnd I3 = readEnds.get("I3");
  48                 ReadEnd I2 = readEnds.get("I2");
  49                 ReadEnd I1 = readEnds.get("I1");
  50                 ReadEnd I0 = readEnds.get("I0");
  51                 ReadEnd Req0 = readEnds.get("R=0");
  52                 ReadWriteEnd _PL = readWriteEnds.get("_PL");
  53                 ReadWriteEnd _MAP = readWriteEnds.get("_MAP");
  54                 ReadWriteEnd _VECT = readWriteEnds.get("_VECT");
  55                 ReadWriteEnd RWE = readWriteEnds.get("RWE");
  56                 ReadWriteEnd RDEC = readWriteEnds.get("RDEC");
  57                 ReadWriteEnd YD = readWriteEnds.get("YD");
  58                 ReadWriteEnd YR = readWriteEnds.get("YR");
  59                 ReadWriteEnd YF = readWriteEnds.get("YF");
  60                 ReadWriteEnd YmuPC = readWriteEnds.get("YmuPC");
  61                 ReadWriteEnd STKI0 = readWriteEnds.get("STKI0");
  62                 ReadWriteEnd STKI1 = readWriteEnds.get("STKI1");
  63
  64                 Bit PASSVal = PASS.getValue();
  65                 Bit I3Val = I3.getValue();
  66                 Bit I2Val = I2.getValue();
  67                 Bit I1Val = I1.getValue();
  68                 Bit I0Val = I0.getValue();
  69                 Bit Req0Val = Req0.getValue();
  70
  71                 if (!I3Val.isBinary() || !I2Val.isBinary() || !I1Val.isBinary() || !I0Val.isBinary())
  72                         if ((I3Val == U || I3Val.isBinary()) || (I2Val == U || I2Val.isBinary()) || (I1Val == U || I1Val.isBinary())
  73                                         || (I0Val == U || I0Val.isBinary()))
  74                         {
  75                                 _PL.feedSignals(U);
  76                                 _MAP.feedSignals(U);
  77                                 _VECT.feedSignals(U);
  78                                 RWE.feedSignals(U);
  79                                 RDEC.feedSignals(U);
  80                                 YD.feedSignals(U);
  81                                 YR.feedSignals(U);
  82                                 YF.feedSignals(U);
  83                                 YmuPC.feedSignals(U);
  84                                 STKI0.feedSignals(U);
  85                                 STKI1.feedSignals(U);
  86                         } else
  87                         {
  88                                 _PL.feedSignals(X);
  89                                 _MAP.feedSignals(X);
  90                                 _VECT.feedSignals(X);
  91                                 RWE.feedSignals(X);
  92                                 RDEC.feedSignals(X);
  93                                 YD.feedSignals(X);
  94                                 YR.feedSignals(X);
  95                                 YF.feedSignals(X);
  96                                 YmuPC.feedSignals(X);
  97                                 STKI0.feedSignals(X);
  98                                 STKI1.feedSignals(X);
  99                         }
 100                 else
 101                 {
 102                         int I = (I3Val == ONE ? 8 : 0) + (I2Val == ONE ? 4 : 0) + (I1Val == ONE ? 2 : 0) + (I0Val == ONE ? 1 : 0);
 103                         Bit _PLVal = ONE;
 104                         Bit _MAPVal = ONE;
 105                         Bit _VECTVal = ONE;
 106                         if (I == 2)
 107                                 _MAPVal = ZERO;
 108                         else if (I == 6)
 109                                 _VECTVal = ZERO;
 110                         else
 111                                 _PLVal = ZERO;
 112                         _PL.feedSignals(_PLVal);
 113                         _MAP.feedSignals(_MAPVal);
 114                         _VECT.feedSignals(_VECTVal);
 115                         if (I == 8 || I == 9 || I == 15)
 116                         {
 117                                 RWE.feedSignals(Req0Val);
 118                                 RDEC.feedSignals(Req0Val);// "forward" X/U/Z
 119                         } else if (I == 4)
 120                         {
 121                                 RWE.feedSignals(PASSVal);
 122                                 RDEC.feedSignals(PASSVal == ONE ? ZERO : PASSVal);// "forward" X/U/Z
 123                         } else
 124                         {
 125                                 RWE.feedSignals(ZERO);
 126                                 RDEC.feedSignals(ZERO);
 127                         }
 128                         if (!PASSVal.isBinary())
 129                         {
 130                                 YD.feedSignals(PASSVal);// "forward" X/U/Z
 131                                 YR.feedSignals(PASSVal);// "forward" X/U/Z
 132                                 YF.feedSignals(PASSVal);// "forward" X/U/Z
 133                                 YmuPC.feedSignals(PASSVal);// "forward" X/U/Z
 134                         } else
 135                         {
 136                                 Bit YDVal = ZERO;
 137                                 Bit YRVal = ZERO;
 138                                 Bit YFVal = ZERO;
 139                                 Bit YmuPCVal = ZERO;
 140                                 switch (I + (PASSVal == ONE ? 16 : 0))
 141                                 {
 142                                 case 0:
 143                                 case 0 + 16:
 144                                         break;
 145                                 case 2:
 146                                 case 1 + 16:
 147                                 case 2 + 16:
 148                                 case 3 + 16:
 149                                 case 5 + 16:
 150                                 case 6 + 16:
 151                                 case 7 + 16:
 152                                 case 11 + 16:
 153                                         YDVal = ONE;
 154                                         break;
 155                                 case 5:
 156                                 case 7:
 157                                         YRVal = ONE;
 158                                         break;
 159                                 case 13:
 160                                 case 10 + 16:
 161                                         YFVal = ONE;
 162                                         break;
 163                                 case 1:
 164                                 case 3:
 165                                 case 4:
 166                                 case 6:
 167                                 case 10:
 168                                 case 11:
 169                                 case 12:
 170                                 case 14:
 171                                 case 4 + 16:
 172                                 case 12 + 16:
 173                                 case 13 + 16:
 174                                 case 14 + 16:
 175                                 case 15 + 16:
 176                                         YmuPCVal = ONE;
 177                                         break;
 178                                 case 8:
 179                                 case 8 + 16:
 180                                         YFVal = Req0Val.not();// "forward" X/U/Z
 181                                         YmuPCVal = Req0Val;// "forward" X/U/Z
 182                                         break;
 183                                 case 9:
 184                                 case 9 + 16:
 185                                         YDVal = Req0Val.not();// "forward" X/U/Z
 186                                         YmuPCVal = Req0Val;// "forward" X/U/Z
 187                                         break;
 188                                 case 15:
 189                                         YFVal = Req0Val.not();// "forward" X/U/Z
 190                                         YDVal = Req0Val;// "forward" X/U/Z
 191                                         break;
 192                                 default:
 193                                         throw new IllegalStateException("shouldn't happen");
 194                                 }
 195                                 YD.feedSignals(YDVal);
 196                                 YR.feedSignals(YRVal);
 197                                 YF.feedSignals(YFVal);
 198                                 YmuPC.feedSignals(YmuPCVal);
 199                                 Bit STKI0Val;
 200                                 Bit STKI1Val;
 201                                 switch (I + (PASSVal == ONE ? 16 : 0))
 202                                 {
 203                                 case 1:
 204                                 case 2:
 205                                 case 3:
 206                                 case 6:
 207                                 case 7:
 208                                 case 9:
 209                                 case 10:
 210                                 case 11:
 211                                 case 12:
 212                                 case 13:
 213                                 case 14:
 214                                 case 2 + 16:
 215                                 case 3 + 16:
 216                                 case 6 + 16:
 217                                 case 7 + 16:
 218                                 case 9 + 16:
 219                                 case 12 + 16:
 220                                 case 14 + 16:
 221                                         // HOLD
 222                                         STKI1Val = ZERO;
 223                                         STKI0Val = ZERO;
 224                                         break;
 225                                 case 4:
 226                                 case 5:
 227                                 case 1 + 16:
 228                                 case 4 + 16:
 229                                 case 5 + 16:
 230                                         // PUSH
 231                                         STKI1Val = ZERO;
 232                                         STKI0Val = ONE;
 233                                         break;
 234                                 case 0:
 235                                 case 0 + 16:
 236                                         // CLEAR
 237                                         STKI1Val = ONE;
 238                                         STKI0Val = ZERO;
 239                                         break;
 240                                 case 10 + 16:
 241                                 case 11 + 16:
 242                                 case 13 + 16:
 243                                 case 15 + 16:
 244                                         // POP
 245                                         STKI1Val = ONE;
 246                                         STKI0Val = ONE;
 247                                         break;
 248                                 case 8:
 249                                 case 15:
 250                                 case 8 + 16:
 251                                         STKI1Val = Req0Val;// "forward" X/U/Z
 252                                         STKI0Val = Req0Val;// "forward" X/U/Z
 253                                         break;
 254                                 default:
 255                                         throw new IllegalStateException("shouldn't happen");
 256                                 }
 257                                 STKI0.feedSignals(STKI0Val);
 258                                 STKI1.feedSignals(STKI1Val);
 259                         }
 260                 }
 261                 return null;
 262         }
 263 }