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Diffstat (limited to 'trunk/src/emu/cpu/dsp56k/opcode.h')
-rw-r--r-- | trunk/src/emu/cpu/dsp56k/opcode.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/trunk/src/emu/cpu/dsp56k/opcode.h b/trunk/src/emu/cpu/dsp56k/opcode.h new file mode 100644 index 00000000000..cd841e2d1a8 --- /dev/null +++ b/trunk/src/emu/cpu/dsp56k/opcode.h @@ -0,0 +1,46 @@ +#ifndef __DSP56K_OPCODE_H__ +#define __DSP56K_OPCODE_H__ + +#include "emu.h" +#include "inst.h" +#include "pmove.h" + +#include "dsp56k.h" + +// +// An Opcode contains an instruction and a parallel move operation. +// +namespace DSP56K +{ + +class Instruction; +class ParallelMove; + +class Opcode +{ +public: + Opcode(UINT16 w0, UINT16 w1); + virtual ~Opcode(); + + astring disassemble() const; + void evaluate(dsp56k_core* cpustate) const; + size_t size() const; + size_t evalSize() const; + + // Peek through to the instruction + const reg_id& instSource() const; + const reg_id& instDestination() const; + const size_t instAccumulatorBitsModified() const; + +private: + Instruction* m_instruction; + ParallelMove* m_parallelMove; + + UINT16 m_word0; + UINT16 m_word1; + + astring dcString() const; +}; + +} +#endif |