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-rw-r--r--src/devices/cpu/hpc/hpcdasm.h58
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diff --git a/src/devices/cpu/hpc/hpcdasm.h b/src/devices/cpu/hpc/hpcdasm.h
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+++ b/src/devices/cpu/hpc/hpcdasm.h
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+// license:BSD-3-Clause
+// copyright-holders:AJR
+
+#ifndef MAME_CPU_HPC_HPCDASM_H
+#define MAME_CPU_HPC_HPCDASM_H
+
+#pragma once
+
+class hpc_disassembler : public util::disasm_interface
+{
+protected:
+ enum : u16
+ {
+ REGISTER_A = 0x00c8,
+ REGISTER_K = 0x00ca,
+ REGISTER_B = 0x00cc,
+ REGISTER_X = 0x00ce
+ };
+
+ // construction/destruction
+ hpc_disassembler(const char *const regs[]);
+
+ // disassembler overrides
+ 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;
+
+private:
+ // internal helpers
+ void format_register(std::ostream &stream, u16 reg) const;
+ void format_immediate_byte(std::ostream &stream, u8 data) const;
+ void format_immediate_word(std::ostream &stream, u16 data) const;
+ void disassemble_op(std::ostream &stream, const char *op, u16 reg, u16 src, bool imm, bool indir, bool idx, bool w) const;
+ void disassemble_unary_op(std::ostream &stream, const char *op, u16 offset, u16 src, bool indir, bool idx, bool w) const;
+ void disassemble_bit_op(std::ostream &stream, const char *op, u8 bit, u16 offset, u16 src, bool indir, bool idx) const;
+
+ // register names
+ const char *const *m_regs;
+};
+
+class hpc16083_disassembler : public hpc_disassembler
+{
+public:
+ hpc16083_disassembler() : hpc_disassembler(s_regs) { }
+
+private:
+ static const char *const s_regs[128];
+};
+
+class hpc16164_disassembler : public hpc_disassembler
+{
+public:
+ hpc16164_disassembler() : hpc_disassembler(s_regs) { }
+
+private:
+ static const char *const s_regs[128];
+};
+
+#endif // MAME_CPU_HPC_HPCDASM_H