1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// license:GPL-2.0
// copyright-holders:Segher Boessenkool, David Haywood
/*****************************************************************************
SunPlus µ'nSP disassembler
Copyright 2008-2017 Segher Boessenkool <segher@kernel.crashing.org>
Licensed under the terms of the GNU GPL, version 2
http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
*****************************************************************************/
#ifndef MAME_CPU_UNSP_UNSPDASM_H
#define MAME_CPU_UNSP_UNSPDASM_H
#pragma once
#define UNSP_DASM_OK (len | SUPPORTED)
class unsp_disassembler : public util::disasm_interface
{
public:
unsp_disassembler()
{
m_iso = 10;
}
virtual ~unsp_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 ¶ms) override;
offs_t disassemble_code(std::ostream &stream, offs_t pc, uint16_t op, uint16_t imm16, const data_buffer& opcodes);
protected:
offs_t disassemble_fxxx_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm, const data_buffer& opcodes);
offs_t disassemble_jumps(std::ostream& stream, offs_t pc, const uint16_t op);
offs_t disassemble_remaining(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm, const data_buffer& opcodes);
offs_t disassemble_fxxx_000_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm);
offs_t disassemble_fxxx_001_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm);
offs_t disassemble_fxxx_010_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm);
offs_t disassemble_fxxx_011_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm);
offs_t disassemble_fxxx_100_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm);
virtual offs_t disassemble_fxxx_101_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm);
offs_t disassemble_fxxx_110_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm, const data_buffer& opcodes);
offs_t disassemble_fxxx_111_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm, const data_buffer& opcodes);
virtual offs_t disassemble_exxx_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm);
virtual offs_t disassemble_extended_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm, const data_buffer& opcodes);
static char const *const regs[];
static char const *const extregs[];
static char const *const jumps[];
static char const *const bitops[];
static char const *const signmodes[];
static char const *const lsft[];
static char const *const aluops[];
static char const *const forms[];
int m_iso;
protected:
void print_alu_op_start(std::ostream &stream, uint8_t op0, uint8_t opA);
void print_alu_op3(std::ostream &stream, uint8_t op0, uint8_t opB);
void print_alu_op_end(std::ostream &stream, uint8_t op0);
void print_indirect_op(std::ostream &stream, uint8_t opN, uint8_t opB);
void print_muls(std::ostream& stream, uint16_t op);
void print_mul(std::ostream& stream, uint16_t op);
};
class unsp_12_disassembler : public unsp_disassembler
{
public:
unsp_12_disassembler()
{
m_iso = 12;
}
virtual ~unsp_12_disassembler() = default;
private:
virtual offs_t disassemble_fxxx_101_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm) override;
virtual offs_t disassemble_exxx_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm) override;
};
class unsp_20_disassembler : public unsp_12_disassembler
{
public:
unsp_20_disassembler()
{
m_iso = 20;
}
virtual ~unsp_20_disassembler() = default;
private:
virtual offs_t disassemble_extended_group(std::ostream& stream, offs_t pc, uint16_t op, uint16_t ximm, const data_buffer& opcodes) override;
};
#endif
|