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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// license:BSD-3-Clause
// copyright-holders:Curt Coder
#include "emu.h"
#include "includes/comx35.h"
#include "cpu/cosmac/cosmac.h"
#include "sound/cdp1869.h"
#include "sound/wave.h"
#include "video/mc6845.h"
#include "screen.h"
#include "speaker.h"
void comx35_state::cdp1869_w(offs_t offset, uint8_t data)
{
uint16_t ma = m_maincpu->get_memory_address();
switch (offset)
{
case 3:
m_vis->out3_w(data);
break;
case 4:
m_vis->out4_w(ma);
break;
case 5:
m_vis->out5_w(ma);
break;
case 6:
m_vis->out6_w(ma);
break;
case 7:
m_vis->out7_w(ma);
break;
}
}
/* CDP1869 */
void comx35_state::cdp1869_page_ram(address_map &map)
{
map(0x000, 0x7ff).ram();
}
CDP1869_CHAR_RAM_READ_MEMBER( comx35_state::comx35_charram_r )
{
uint8_t column = pmd & 0x7f;
uint16_t charaddr = (column << 4) | cma;
return m_char_ram[charaddr];
}
CDP1869_CHAR_RAM_WRITE_MEMBER( comx35_state::comx35_charram_w )
{
uint8_t column = pmd & 0x7f;
uint16_t charaddr = (column << 4) | cma;
m_char_ram[charaddr] = data;
}
CDP1869_PCB_READ_MEMBER( comx35_state::comx35_pcb_r )
{
return BIT(pmd, 7);
}
WRITE_LINE_MEMBER( comx35_state::prd_w )
{
if ((m_prd == CLEAR_LINE) && (state == ASSERT_LINE))
{
m_cr1 = m_iden ? CLEAR_LINE : ASSERT_LINE;
check_interrupt();
}
m_prd = state;
m_maincpu->set_input_line(COSMAC_INPUT_LINE_EF1, state);
}
void comx35_state::video_start()
{
}
/* Machine Drivers */
void comx35_state::comx35_pal_video(machine_config &config)
{
/* sound hardware */
SPEAKER(config, "mono").front_center();
CDP1869(config, m_vis, cdp1869_device::DOT_CLK_PAL, &comx35_state::cdp1869_page_ram);
m_vis->add_pal_screen(config, SCREEN_TAG, cdp1869_device::DOT_CLK_PAL);
m_vis->set_color_clock(cdp1869_device::COLOR_CLK_PAL);
m_vis->set_pcb_read_callback(FUNC(comx35_state::comx35_pcb_r));
m_vis->set_char_ram_read_callback(FUNC(comx35_state::comx35_charram_r));
m_vis->set_char_ram_write_callback(FUNC(comx35_state::comx35_charram_w));
m_vis->pal_ntsc_callback().set_constant(1);
m_vis->prd_callback().set(FUNC(comx35_state::prd_w));
m_vis->set_screen(SCREEN_TAG);
m_vis->add_route(ALL_OUTPUTS, "mono", 0.25);
WAVE(config, "wave", "cassette").add_route(ALL_OUTPUTS, "mono", 0.25);
}
void comx35_state::comx35_ntsc_video(machine_config &config)
{
/* sound hardware */
SPEAKER(config, "mono").front_center();
CDP1869(config, m_vis, cdp1869_device::DOT_CLK_NTSC, &comx35_state::cdp1869_page_ram);
m_vis->add_ntsc_screen(config, SCREEN_TAG, cdp1869_device::DOT_CLK_NTSC);
m_vis->set_color_clock(cdp1869_device::COLOR_CLK_NTSC);
m_vis->set_pcb_read_callback(FUNC(comx35_state::comx35_pcb_r));
m_vis->set_char_ram_read_callback(FUNC(comx35_state::comx35_charram_r));
m_vis->set_char_ram_write_callback(FUNC(comx35_state::comx35_charram_w));
m_vis->pal_ntsc_callback().set_constant(0);
m_vis->prd_callback().set(FUNC(comx35_state::prd_w));
m_vis->set_screen(SCREEN_TAG);
m_vis->add_route(ALL_OUTPUTS, "mono", 0.25);
WAVE(config, "wave", "cassette").add_route(ALL_OUTPUTS, "mono", 0.25);
}
|