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Pawel Jablonski authored on 25/01/2021 22:36:44
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@@ -23,7 +23,7 @@ class Instruction |
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//! Definitions of the instruction argument types |
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enum class Arg |
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{
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- None, //!< Not argument |
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+ None, //!< No argument |
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ABXY, //!< Main and auxiliary registers |
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AB, //!< Only main registers |
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Val256, //!< 8 bit unsigned value |
Browse code
Add source code of the uROM generator
Pawel Jablonski authored on 24/01/2021 21:45:08
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new file mode 100644 |
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+/* |
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+ * Author: Pawel Jablonski |
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+ * E-mail: pj@xirx.net |
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+ * WWW: xirx.net |
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+ * GIT: git.xirx.net |
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+ * |
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+ * License: You can use this code however you like |
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+ * but leave information about the original author. |
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+ * Code is free for non-commercial and commercial use. |
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+ */ |
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+ |
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+#ifndef INSTRUCTION_H |
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+#define INSTRUCTION_H |
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+ |
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+#include <QList> |
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+ |
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+#include "step.h" |
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+ |
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+//! This class contains atomic steps for the control unit of defined instruction |
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+class Instruction |
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+{
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+ public: |
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+ //! Definitions of the instruction argument types |
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+ enum class Arg |
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+ {
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+ None, //!< Not argument |
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+ ABXY, //!< Main and auxiliary registers |
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+ AB, //!< Only main registers |
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+ Val256, //!< 8 bit unsigned value |
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+ Addr //!< 16 bit unsigned address |
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+ }; |
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+ |
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+ //! Tristate flag definition for carry and zero control bits |
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+ enum class Flag |
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+ {
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+ Disable, //!< Only accept the disable value |
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+ Enable, //!< Only accept the enable value |
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+ Any //!< Accept both values |
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+ }; |
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+ |
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+ Instruction(); |
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+ Instruction(unsigned char opcode, Arg arg0 = Arg::None, Arg arg1 = Arg::None, Arg arg2 = Arg::None, Flag c = Flag::Any, Flag z = Flag::Any); |
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+ |
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+ void addStep(const Step &step); |
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+ |
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+ unsigned char getOpcode() const; |
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+ |
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+ Arg getArg0() const; |
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+ Arg getArg1() const; |
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+ Arg getArg2() const; |
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+ |
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+ Flag getC() const; |
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+ Flag getZ() const; |
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+ |
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+ const QList<Step> &getStepList() const; |
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+ |
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+ private: |
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+ unsigned char opcode; //!< Opcode of defined instruction |
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+ |
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+ Arg arg0; //!< First argument type |
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+ Arg arg1; //!< Second argument type |
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+ Arg arg2; //!< Third argument type |
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+ |
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+ Flag c; //!< Carry flag accept status |
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+ Flag z; //!< Zero flag accept status |
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+ |
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+ QList<Step> stepList; //!< Atomic list of steps for the control unit |
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+}; |
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+ |
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+#endif |