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unidasm: Add disassemblers for NEC/Renesas V850 family

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This commit is contained in:
AJR 2021-01-30 12:30:56 -05:00
parent b3e4af560a
commit 75a7445a98
4 changed files with 1127 additions and 0 deletions
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9
scripts/src/cpu.lua
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@ -2017,6 +2017,15 @@ if (CPUS["V810"]~=null or _OPTIONS["with-tools"]) then
table.insert(disasm_files , MAME_DIR .. "src/devices/cpu/v810/v810dasm.h")
end
--------------------------------------------------
-- NEC V850, disassembler only
--------------------------------------------------
if (_OPTIONS["with-tools"]) then
table.insert(disasm_files , MAME_DIR .. "src/devices/cpu/v850/v850dasm.cpp")
table.insert(disasm_files , MAME_DIR .. "src/devices/cpu/v850/v850dasm.h")
end
--------------------------------------------------
-- NEC uPD7725
--@src/devices/cpu/upd7725/upd7725.h,CPUS["UPD7725"] = true

1028
src/devices/cpu/v850/v850dasm.cpp Normal file
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File diff suppressed because it is too large Load Diff

86
src/devices/cpu/v850/v850dasm.h Normal file
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@ -0,0 +1,86 @@
// license:BSD-3-Clause
// copyright-holders:AJR
#ifndef MAME_CPU_V850_V850DASM_H
#define MAME_CPU_V850_V850DASM_H
#pragma once
#include <string_view>
class v850_disassembler : public util::disasm_interface
{
public:
// construction/destruction
v850_disassembler();
// 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;
protected:
// internal helpers
virtual void format_system_reg(std::ostream &stream, u8 sreg);
void format_imm5_signed(std::ostream &stream, u8 imm5);
void format_imm16_signed(std::ostream &stream, u16 imm16);
void format_disp16_reg(std::ostream &stream, u16 disp16, u8 reg);
void format_disp8_ep(std::ostream &stream, u8 disp8);
virtual offs_t dasm_000000(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes);
virtual offs_t dasm_000010(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes);
virtual offs_t dasm_000011(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes);
virtual offs_t dasm_0001(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes);
virtual offs_t dasm_010x(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes);
virtual offs_t dasm_1100(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes);
virtual offs_t dasm_1101(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes);
virtual offs_t dasm_11110(std::ostream &stream, u16 opcode1, u16 opcode2, offs_t pc, const data_buffer &opcodes);
virtual offs_t dasm_extended(std::ostream &stream, u16 opcode1, u16 opcode2, offs_t pc, const data_buffer &opcodes);
// static tables
static const std::string_view s_regs[32];
static const std::string_view s_dsp_ops[4];
static const std::string_view s_rr_ops[8];
static const std::string_view s_imm5_ops[8];
static const std::string_view s_bit_ops[4];
static const std::string_view s_conds[16];
static const std::string_view s_bconds[16];
};
class v850es_disassembler : public v850_disassembler
{
public:
// construction/destruction
v850es_disassembler();
protected:
void format_list12(std::ostream &stream, u16 list12);
virtual void format_system_reg(std::ostream &stream, u8 sreg) override;
virtual offs_t dasm_000010(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_000011(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_0001(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_010x(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_1100(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_11110(std::ostream &stream, u16 opcode1, u16 opcode2, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_extended(std::ostream &stream, u16 opcode1, u16 opcode2, offs_t pc, const data_buffer &opcodes) override;
static const std::string_view s_szx_ops[4];
};
class v850e2_disassembler : public v850es_disassembler
{
public:
// construction/destruction
v850e2_disassembler();
protected:
void format_disp23_reg(std::ostream &stream, u32 disp23, u8 reg);
void format_disp32_reg(std::ostream &stream, u32 disp32, u8 reg);
virtual void format_system_reg(std::ostream &stream, u8 sreg) override;
virtual offs_t dasm_000000(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_000010(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_010x(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_1101(std::ostream &stream, u16 opcode, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_11110(std::ostream &stream, u16 opcode1, u16 opcode2, offs_t pc, const data_buffer &opcodes) override;
virtual offs_t dasm_extended(std::ostream &stream, u16 opcode1, u16 opcode2, offs_t pc, const data_buffer &opcodes) override;
};
#endif // MAME_CPU_V850_V850DASM_H

4
src/tools/unidasm.cpp
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@ -180,6 +180,7 @@ using util::BIT;
#include "cpu/upd78k/upd78k3d.h"
#include "cpu/v60/v60d.h"
#include "cpu/v810/v810dasm.h"
#include "cpu/v850/v850dasm.h"
#include "cpu/vt50/vt50dasm.h"
#include "cpu/vt61/vt61dasm.h"
#include "cpu/we32000/we32100d.h"
@ -616,6 +617,9 @@ static const dasm_table_entry dasm_table[] =
{ "upi41", le, 0, []() -> util::disasm_interface * { return new mcs48_disassembler(true, false); } },
{ "v60", le, 0, []() -> util::disasm_interface * { return new v60_disassembler; } },
{ "v810", le, 0, []() -> util::disasm_interface * { return new v810_disassembler; } },
{ "v850", le, 0, []() -> util::disasm_interface * { return new v850_disassembler; } },
{ "v850es", le, 0, []() -> util::disasm_interface * { return new v850es_disassembler; } },
{ "v850e2", le, 0, []() -> util::disasm_interface * { return new v850e2_disassembler; } },
{ "vt50", le, 0, []() -> util::disasm_interface * { return new vt50_disassembler; } },
{ "vt52", le, 0, []() -> util::disasm_interface * { return new vt52_disassembler; } },
{ "vt61", le, -1, []() -> util::disasm_interface * { return new vt61_disassembler; } },