+++ /dev/null
-package net.mograsim.logic.model.am2900.am2904;
-
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.Map;
-
-import net.mograsim.logic.model.am2900.TestableCircuit;
-
-public interface TestableAm2904 extends TestableCircuit
-{
-
- void setInstruction(Am2904_Inst inst);
-
- void setCarry(Am2904_Carry carry);
-
- void setShiftCode(String val_4_bit);
-
- void setI10(Am2904_ShiftDir dir);
-
- void setCX(String val_1_bit);
-
- void setY(String z_c_n_ovr);
-
- void setIZ(String val_1_bit);
-
- void setIC(String val_1_bit);
-
- void setIOVR(String val_1_bit);
-
- void setIN(String val_1_bit);
-
- default void setI(String z_c_n_ovr)
- {
- setIZ(z_c_n_ovr.substring(0, 1));
- setIC(z_c_n_ovr.substring(1, 2));
- setIN(z_c_n_ovr.substring(2, 3));
- setIOVR(z_c_n_ovr.substring(3, 4));
- }
-
- void set_CEM(String val_1_bit);
-
- void set_CEµ(String val_1_bit);
-
- void set_OEY(String val_1_bit);
-
- void set_OECT(String val_1_bit);
-
- void set_SE(String val_1_bit);
-
- void set_EZ(String val_1_bit);
-
- void set_EC(String val_1_bit);
-
- void set_EOVR(String val_1_bit);
-
- void set_EN(String val_1_bit);
-
- default void set_E(String z_c_n_ovr)
- {
- set_EZ(z_c_n_ovr.substring(0, 1));
- set_EC(z_c_n_ovr.substring(1, 2));
- set_EN(z_c_n_ovr.substring(2, 3));
- set_EOVR(z_c_n_ovr.substring(3, 4));
- }
-
- void setSIO0(String val_1_bit);
-
- void setSIO3(String val_1_bit);
-
- void setQIO0(String val_1_bit);
-
- void setQIO3(String val_1_bit);
-
- void setDirectly(Register r, String val_1_bit);
-
- void setDirectly(CompleteStatus r, String z_c_n_ovr);
-
- String getC0();
-
- String getCT();
-
- String getY();
-
- String getSIO0();
-
- String getSIO3();
-
- String getQIO0();
-
- String getQIO3();
-
- String getDirectly(Register r);
-
- String getDirectly(CompleteStatus r);
-
- enum Am2904_ShiftDir
- {
- RIGHT, LEFT;
- }
-
- enum Am2904_Carry
- {
- CI0, CI1, CX, USE_SR;
- }
-
- /**
- * Pattern:<br>
- * [microSR]_[machineSR]_[condCodeSource]_[condCode]<br>
- * <ul>
- * <li>Load = load from I inputs (Am2904s)</li>
- * <li>condCodeSource = µ, M, I (and a special case: I and M)</li>
- * <li>condCode = the boolean term defining the CT output</li>
- * </ul>
- */
- enum Am2904_Inst
- {
- // @formatter:off
- LoadM_LoadY_µ_NxorOVRorZ(0_00),
- Set_Set_µ_NxnorOVRornotZ(0_01),
- Swap_Swap_µ_NxorOVR(0_02),
- Reset_Reset_µ_NxnorOVR(0_03),
- Load_LoadForShiftThroughOvr_µ_Z(0_04),
- Load_Invert_µ_notZ(0_05),
- LoadOvrRetain_Load_µ_OVR(0_06),
- LoadOvrRetain_Load_µ_notOVR(0_07),
- ResetZ_LoadCarryInvert_µ_CorZ(0_10),
- SetZ_LoadCarryInvert_µ_notCandnotZ(0_11),
- ResetC_Load_µ_C(0_12),
- SetC_Load_µ_notC(0_13),
- ResetN_Load_µ_notCorZ(0_14),
- SetN_Load_µ_CandnotZ(0_15),
- ResetOvr_Load_IM_NxorN(0_16),
- SetOvr_Load_IM_NxnorN(0_17),
- Load_Load_µ_NxorOVRorZ(0_20),
- Load_Load_µ_NxnorOVRornotZ(0_21),
- Load_Load_µ_NxorOVR(0_22),
- Load_Load_µ_NxnorOVR(0_23),
- Load_Load_µ_Z(0_24),
- Load_Load_µ_notZ(0_25),
- Load_Load_µ_OVR(0_26),
- Load_Load_µ_notOVR(0_27),
- LoadCarryInvert_LoadCarryInvert_µ_CorZ(0_30),
- LoadCarryInvert_LoadCarryInvert_µ_notCandnotZ(0_31),
- Load_Load_µ_C(0_32),
- Load_Load_µ_notC(0_33),
- Load_Load_µ_notCorZ(0_34),
- Load_Load_µ_CandnotZ(0_35),
- Load_Load_µ_N(0_36),
- Load_Load_µ_notN(0_37),
- Load_Load_M_NxorOVRorZ(0_40),
- Load_Load_M_NxnorOVRornotZ(0_41),
- Load_Load_M_NxorOVR(0_42),
- Load_Load_M_NxnorOVR(0_43),
- Load_Load_M_Z(0_44),
- Load_Load_M_notZ(0_45),
- Load_Load_M_OVR(0_46),
- Load_Load_M_notOVR(0_47),
- LoadCarryInvert_LoadCarryInvert_M_CorZ(0_50),
- LoadCarryInvert_LoadCarryInvert_M_notCandnotZ(0_51),
- Load_Load_M_C(0_52),
- Load_Load_M_notC(0_53),
- Load_Load_M_notCorZ(0_54),
- Load_Load_M_CandnotZ(0_55),
- Load_Load_M_N(0_56),
- Load_Load_M_notN(0_57),
- Load_Load_I_NxorOVRorZ(0_60),
- Load_Load_I_NxnorOVRornotZ(0_61),
- Load_Load_I_NxorOVR(0_62),
- Load_Load_I_NxnorOVR(0_63),
- Load_Load_I_Z(0_64),
- Load_Load_I_notZ(0_65),
- Load_Load_I_OVR(0_66),
- Load_Load_I_notOVR(0_67),
- LoadCarryInvert_LoadCarryInvert_I_notCorZ(0_70),
- LoadCarryInvert_LoadCarryInvert_I_CandnotZ(0_71),
- Load_Load_I_C(0_72),
- Load_Load_I_notC(0_73),
- Load_Load_I_notCorZ(0_74),
- Load_Load_I_CandnotZ(0_75),
- Load_Load_I_N(0_76),
- Load_Load_I_notN(0_77);
- // @formatter:on
-
- public final int code;
-
- private Am2904_Inst(int code)
- {
- this.code = code;
- }
-
- private static final Map<Integer, Am2904_Inst> instCodes;
-
- static
- {
- Map<Integer, Am2904_Inst> instCodesMod = new HashMap<>();
- Am2904_Inst[] vals = values();
- for (Am2904_Inst inst : vals)
- {
- assert inst.code == inst.ordinal();
- instCodesMod.put(inst.code, inst);
- }
- if (instCodesMod.size() != 64)
- throw new IllegalStateException("There must be exactly 64 Am2904 instruction codes, but was " + instCodesMod.size());
- instCodes = Collections.unmodifiableMap(instCodesMod);
- }
-
- public static Am2904_Inst getInstFor(int I_543210)
- {
- Am2904_Inst inst = instCodes.get(I_543210);
- if (inst != null)
- return inst;
- throw new IllegalArgumentException("Invaild Am2904 instruction code: " + I_543210);
- }
-
- public int getBlock()
- {
- return code >> 4;
- }
-
- public boolean isLoadCarryInvert()
- {
- return (code & 0b001_110) == 0b001_000;
- }
- }
-
- enum Register
- {
- µZ, µC, µN, µOVR, MZ, MC, MN, MOVR;
- }
-
- enum CompleteStatus
- {
- micro, MAKRO;
- }
-
-}
projects / Mograsim.git / blobdiff