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-rw-r--r--src/devices/cpu/sh/sh_dasm.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/devices/cpu/sh/sh_dasm.h b/src/devices/cpu/sh/sh_dasm.h
new file mode 100644
index 00000000000..52d6b2eb723
--- /dev/null
+++ b/src/devices/cpu/sh/sh_dasm.h
@@ -0,0 +1,45 @@
+// license:BSD-3-Clause
+// copyright-holders:Juergen Buchmueller, R. Belmont
+
+#ifndef MAME_CPU_SH_SHDASM_H
+#define MAME_CPU_SH_SHDASM_H
+
+#pragma once
+
+class sh_disassembler : public util::disasm_interface
+{
+public:
+ sh_disassembler(bool is_sh34);
+ virtual ~sh_disassembler() = default;
+
+ virtual u32 opcode_alignment() const override;
+ virtual offs_t disassemble(std::ostream &stream, offs_t pc, const data_buffer &opcodes, const data_buffer &params) override;
+
+ offs_t dasm_one(std::ostream &stream, offs_t pc, u16 opcode);
+
+private:
+ static const char *const regname[16];
+ uint32_t op0000(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0001(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0010(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0011(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0100(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0101(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0110(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0111(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1000(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1001(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1010(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1011(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1100(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1101(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1110(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1111(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0000_sh34(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op0100_sh34(std::ostream &stream, uint32_t pc, uint16_t opcode);
+ uint32_t op1111_sh34(std::ostream &stream, uint32_t pc, uint16_t opcode);
+
+ bool m_is_sh34;
+};
+
+#endif