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
|
// license:BSD-3-Clause
// copyright-holders:Olivier Galibert, R. Belmont
/***************************************************************************
mcs96.h
MCS96
***************************************************************************/
#ifndef MAME_CPU_MCS96_MCS96D_H
#define MAME_CPU_MCS96_MCS96D_H
#pragma once
class mcs96_disassembler : public util::disasm_interface
{
public:
struct disasm_entry {
const char *opcode, *opcode_fe;
int mode;
offs_t flags;
};
mcs96_disassembler(const disasm_entry *entries);
virtual ~mcs96_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;
protected:
enum {
DASM_none, /* No parameters */
DASM_nop_2, /* One ignored parameter byte */
DASM_rel8, /* Relative, 8 bits */
DASM_rel11, /* Relative, 11 bits */
DASM_rel16, /* Relative, 16 bits */
DASM_rrel8, /* Register + relative, 8 bits */
DASM_brrel8, /* Bit test + register + relative, 8 bits */
DASM_direct_1, /* Register-direct references, 1 operator */
DASM_direct_2, /* Register-direct references, 2 operators */
DASM_direct_3, /* Register-direct references, 3 operators */
DASM_immed_1b, /* Immediate references to byte, 1 operator */
DASM_immed_2b, /* Immediate references to byte, 2 operators */
DASM_immed_or_reg_2b, /* Immediate references to byte or register, 2 operators */
DASM_immed_3b, /* Immediate references to byte, 3 operators */
DASM_immed_1w, /* Immediate references to word, 1 operator */
DASM_immed_2w, /* Immediate references to word, 2 operators */
DASM_immed_3w, /* Immediate references to word, 3 operators */
DASM_indirect_1n, /* Indirect normal, 1 operator */
DASM_indirect_1, /* Indirect, normal or auto-incrementing, 1 operator */
DASM_indirect_2, /* Indirect, normal or auto-incrementing, 2 operators */
DASM_indirect_3, /* Indirect, normal or auto-incrementing, 3 operators */
DASM_indexed_1, /* Indexed, short or long, 1 operator */
DASM_indexed_2, /* Indexed, short or long, 2 operators */
DASM_indexed_3 /* Indexed, short or long, 3 operators */
};
const disasm_entry *m_entries;
static std::string regname(uint8_t reg);
};
#endif
|