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
105
|
// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/***************************************************************************
m740.h
Mitsubishi M740 series (M507xx/M509xx)
***************************************************************************/
#ifndef __M740_H__
#define __M740_H__
#include "m6502.h"
class m740_device : public m6502_device {
public:
enum
{
M740_INT0_LINE = INPUT_LINE_IRQ0, // (fffc)
M740_INT1_LINE, // (fffa)
M740_INT2_LINE, // (fff8)
M740_INT3_LINE, // (fff6)
M740_INT4_LINE, // (fff4)
M740_INT5_LINE, // (fff2)
M740_INT6_LINE, // (fff0)
M740_INT7_LINE, // (ffee)
M740_INT8_LINE, // (ffec)
M740_INT9_LINE, // (ffea)
M740_INT10_LINE, // (ffe8)
M740_INT11_LINE, // (ffe6)
M740_INT12_LINE, // (ffe4)
M740_INT13_LINE, // (ffe2)
M740_INT14_LINE, // (ffe0)
M740_MAX_INT_LINE = M740_INT14_LINE,
M740_SET_OVERFLOW = m6502_device::V_LINE
};
m740_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
m740_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source);
virtual void device_start() override;
virtual void device_reset() override;
static const disasm_entry disasm_entries[0x200];
virtual void state_string_export(const device_state_entry &entry, std::string &str) const override;
virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const uint8_t *oprom, const uint8_t *opram, uint32_t options) override;
virtual void do_exec_full() override;
virtual void do_exec_partial() override;
virtual void execute_set_input(int inputnum, int state) override;
protected:
#define O(o) void o ## _full(); void o ## _partial()
uint8_t do_clb(uint8_t in, uint8_t bit);
uint8_t do_seb(uint8_t in, uint8_t bit);
uint8_t do_rrf(uint8_t in);
void do_sbc_dt(uint8_t val);
void do_sbc_ndt(uint8_t val);
void do_sbct(uint8_t val);
void do_adc_dt(uint8_t val);
void do_adc_ndt(uint8_t val);
void do_adct(uint8_t val);
// m740 opcodes
O(brk740_imp);
O(clt_imp);
O(set_imp);
O(ldm_imz);
O(jsr_spg);
O(reset740);
O(seb_biz); O(seb_bac);
O(clb_biz); O(clb_bac);
O(bbc_bzr); O(bbc_bar);
O(bbs_bzr); O(bbs_bar);
O(rrf_zpg);
O(bra_rel);
O(jmp_zpi);
O(adct_aba); O(adct_abx); O(adct_aby); O(adct_idx); O(adct_idy); O(adct_imm); O(adct_zpg); O(adct_zpx);
O(andt_aba); O(andt_abx); O(andt_aby); O(andt_imm); O(andt_idx); O(andt_idy); O(andt_zpg); O(andt_zpx);
O(cmpt_aba); O(cmpt_abx); O(cmpt_aby); O(cmpt_idx); O(cmpt_idy); O(cmpt_imm); O(cmpt_zpg); O(cmpt_zpx);
O(com_zpg);
O(dec_acc);
O(dect_acc);
O(eort_aba); O(eort_abx); O(eort_aby); O(eort_idx); O(eort_idy); O(eort_imm); O(eort_zpg); O(eort_zpx);
O(inc_acc);
O(inct_acc);
O(ldt_aba); O(ldt_abx); O(ldt_aby); O(ldt_idx); O(ldt_idy); O(ldt_imm); O(ldt_zpg); O(ldt_zpx);
O(ort_aba); O(ort_abx); O(ort_aby); O(ort_imm); O(ort_idx); O(ort_idy); O(ort_zpg); O(ort_zpx);
O(sbct_aba); O(sbct_abx); O(sbct_aby); O(sbct_idx); O(sbct_idy); O(sbct_imm); O(sbct_zpg); O(sbct_zpx);
#undef O
uint32_t m_irq_multiplex;
uint16_t m_irq_vector;
void set_irq_line(int line, int state);
};
extern const device_type M740;
#endif
|