1 package net.mograsim.logic.model.am2900.components.am2904;
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;
10 import net.mograsim.logic.core.types.Bit;
11 import net.mograsim.logic.core.types.BitVector;
12 import net.mograsim.logic.core.wires.CoreWire.ReadEnd;
13 import net.mograsim.logic.core.wires.CoreWire.ReadWriteEnd;
14 import net.mograsim.logic.model.model.LogicModelModifiable;
15 import net.mograsim.logic.model.model.components.atomic.SimpleRectangularHardcodedModelComponent;
16 import net.mograsim.logic.model.model.wires.Pin;
17 import net.mograsim.logic.model.model.wires.PinUsage;
18 import net.mograsim.logic.model.serializing.IndirectModelComponentCreator;
19 import net.mograsim.logic.model.snippets.symbolrenderers.PinNamesSymbolRenderer.PinNamesParams.Position;
21 public class ModelAm2904RegCTInstrDecode extends SimpleRectangularHardcodedModelComponent
23 public ModelAm2904RegCTInstrDecode(LogicModelModifiable model, String name)
25 super(model, "Am2904RegCTInstrDecode", name, "Instruction\ndecode", false);
27 addPin(new Pin(model, this, "I12-11", 2, PinUsage.INPUT, 0, 30), Position.RIGHT);
28 addPin(new Pin(model, this, "I5-0", 6, PinUsage.INPUT, 0, 50), Position.RIGHT);
34 addPin(new Pin(model, this, "muSR_MUX", 2, PinUsage.OUTPUT, 80, 10), Position.LEFT);
35 addPin(new Pin(model, this, "muSR_OVRRET", 1, PinUsage.OUTPUT, 80, 20), Position.LEFT);
36 addPin(new Pin(model, this, "muSR_CINV", 1, PinUsage.OUTPUT, 80, 30), Position.LEFT);
37 addPin(new Pin(model, this, "muSR_WEZ", 1, PinUsage.OUTPUT, 80, 40), Position.LEFT);
38 addPin(new Pin(model, this, "muSR_WEC", 1, PinUsage.OUTPUT, 80, 50), Position.LEFT);
39 addPin(new Pin(model, this, "muSR_WEN", 1, PinUsage.OUTPUT, 80, 60), Position.LEFT);
40 addPin(new Pin(model, this, "muSR_WEOVR", 1, PinUsage.OUTPUT, 80, 70), Position.LEFT);
48 // 110: Swap OVR and C
50 addPin(new Pin(model, this, "MSR_MUX", 3, PinUsage.OUTPUT, 20, 0), Position.BOTTOM);
51 addPin(new Pin(model, this, "OEN", 1, PinUsage.OUTPUT, 60, 0), Position.BOTTOM);
57 addPin(new Pin(model, this, "Y_MUX", 2, PinUsage.OUTPUT, 10, 80), Position.TOP);
59 // see Am2900 Family Data Book, Am2904, Table 4 (CT_MUX2-0 = I3-1)
60 addPin(new Pin(model, this, "CT_MUX", 3, PinUsage.OUTPUT, 30, 80), Position.TOP);
61 addPin(new Pin(model, this, "CT_INV", 1, PinUsage.OUTPUT, 40, 80), Position.TOP);
62 addPin(new Pin(model, this, "CT_EXP", 1, PinUsage.OUTPUT, 50, 80), Position.TOP);
71 addPin(new Pin(model, this, "C0_MUX", 4, PinUsage.OUTPUT, 70, 80), Position.TOP);
77 public Object recalculate(Object lastState, Map<String, ReadEnd> readEnds, Map<String, ReadWriteEnd> readWriteEnds)
79 Bit[] I5_0Bits = readEnds.get("I5-0").getValues().getBits();
80 Bit[] I12_11Bits = readEnds.get("I12-11").getValues().getBits();
82 for (int i = 0; i < 6; i++)
83 switch (I5_0Bits[5 - i])
89 for (ReadWriteEnd e : readWriteEnds.values())
90 e.feedSignals(BitVector.of(U, e.width()));
94 for (ReadWriteEnd e : readWriteEnds.values())
95 e.feedSignals(BitVector.of(X, e.width()));
100 throw new IllegalArgumentException("Unknown enum constant: " + I5_0Bits[i]);
106 readWriteEnds.get("muSR_MUX").feedSignals(ONE, ZERO);
107 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
108 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
109 readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
110 readWriteEnds.get("muSR_WEC").feedSignals(ONE);
111 readWriteEnds.get("muSR_WEN").feedSignals(ONE);
112 readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
115 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
116 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
117 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
118 readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
119 readWriteEnds.get("muSR_WEC").feedSignals(ONE);
120 readWriteEnds.get("muSR_WEN").feedSignals(ONE);
121 readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
124 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
125 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
126 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
127 readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
128 readWriteEnds.get("muSR_WEC").feedSignals(ONE);
129 readWriteEnds.get("muSR_WEN").feedSignals(ONE);
130 readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
134 readWriteEnds.get("muSR_MUX").feedSignals(ONE, ONE);
135 readWriteEnds.get("muSR_OVRRET").feedSignals(ONE);
136 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
137 readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
138 readWriteEnds.get("muSR_WEC").feedSignals(ONE);
139 readWriteEnds.get("muSR_WEN").feedSignals(ONE);
140 readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
143 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
144 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
145 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
146 readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
147 readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
148 readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
149 readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
152 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
153 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
154 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
155 readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
156 readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
157 readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
158 readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
161 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
162 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
163 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
164 readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
165 readWriteEnds.get("muSR_WEC").feedSignals(ONE);
166 readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
167 readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
170 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
171 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
172 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
173 readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
174 readWriteEnds.get("muSR_WEC").feedSignals(ONE);
175 readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
176 readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
179 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
180 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
181 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
182 readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
183 readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
184 readWriteEnds.get("muSR_WEN").feedSignals(ONE);
185 readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
188 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
189 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
190 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
191 readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
192 readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
193 readWriteEnds.get("muSR_WEN").feedSignals(ONE);
194 readWriteEnds.get("muSR_WEOVR").feedSignals(ZERO);
197 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ZERO);
198 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
199 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
200 readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
201 readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
202 readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
203 readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
206 readWriteEnds.get("muSR_MUX").feedSignals(ZERO, ONE);
207 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
208 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
209 readWriteEnds.get("muSR_WEZ").feedSignals(ZERO);
210 readWriteEnds.get("muSR_WEC").feedSignals(ZERO);
211 readWriteEnds.get("muSR_WEN").feedSignals(ZERO);
212 readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
220 readWriteEnds.get("muSR_MUX").feedSignals(ONE, ONE);
221 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
222 readWriteEnds.get("muSR_CINV").feedSignals(ONE);
223 readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
224 readWriteEnds.get("muSR_WEC").feedSignals(ONE);
225 readWriteEnds.get("muSR_WEN").feedSignals(ONE);
226 readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
229 readWriteEnds.get("muSR_MUX").feedSignals(ONE, ONE);
230 readWriteEnds.get("muSR_OVRRET").feedSignals(ZERO);
231 readWriteEnds.get("muSR_CINV").feedSignals(ZERO);
232 readWriteEnds.get("muSR_WEZ").feedSignals(ONE);
233 readWriteEnds.get("muSR_WEC").feedSignals(ONE);
234 readWriteEnds.get("muSR_WEN").feedSignals(ONE);
235 readWriteEnds.get("muSR_WEOVR").feedSignals(ONE);
240 readWriteEnds.get("MSR_MUX").feedSignals(ZERO, ONE, ONE);
243 readWriteEnds.get("MSR_MUX").feedSignals(ZERO, ZERO, ONE);
246 readWriteEnds.get("MSR_MUX").feedSignals(ZERO, ONE, ZERO);
249 readWriteEnds.get("MSR_MUX").feedSignals(ZERO, ZERO, ZERO);
252 readWriteEnds.get("MSR_MUX").feedSignals(ONE, ONE, ZERO);
255 readWriteEnds.get("MSR_MUX").feedSignals(ONE, ONE, ONE);
265 readWriteEnds.get("MSR_MUX").feedSignals(ONE, ZERO, ONE);
268 readWriteEnds.get("MSR_MUX").feedSignals(ONE, ZERO, ZERO);
271 readWriteEnds.get("OEN").feedSignals(I5_0Bits[0].or(I5_0Bits[1]).or(I5_0Bits[2]).or(I5_0Bits[3]).or(I5_0Bits[4]).or(I5_0Bits[5]));
272 readWriteEnds.get("Y_MUX").feedSignals(I5_0Bits[0], I5_0Bits[1]);
273 readWriteEnds.get("CT_INV").feedSignals(I5_0Bits[5]);
274 readWriteEnds.get("CT_MUX").feedSignals(I5_0Bits[2], I5_0Bits[3], I5_0Bits[4]);
275 readWriteEnds.get("CT_EXP").feedSignals((IAsInt & 0b111110) == 0b001110 ? ONE : ZERO);
276 readWriteEnds.get("C0_MUX").feedSignals(I12_11Bits[0], I12_11Bits[1], I5_0Bits[0],
277 I5_0Bits[2].and(I5_0Bits[3].not()).and(I5_0Bits[4].not()));
283 IndirectModelComponentCreator.setComponentSupplier(ModelAm2904RegCTInstrDecode.class.getCanonicalName(),
284 (m, p, n) -> new ModelAm2904RegCTInstrDecode(m, n));