// 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 "rendlay.h"
#include "screen.h"
#include "speaker.h"
WRITE8_MEMBER( comx35_state::cdp1869_w )
{
uint16_t ma = m_maincpu->get_memory_address();
switch (offset)
{
case 3:
m_vis->out3_w(space, ma, data);
break;
case 4:
m_vis->out4_w(space, ma, data);
break;
case 5:
m_vis->out5_w(space, ma, data);
break;
case 6:
m_vis->out6_w(space, ma, data);
break;
case 7:
m_vis->out7_w(space, ma, data);
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()
{
// allocate memory
m_char_ram.allocate(COMX35_CHARRAM_SIZE);
}
/* Machine Drivers */
MACHINE_CONFIG_START(comx35_state::comx35_pal_video)
MCFG_CDP1869_SCREEN_PAL_ADD(CDP1869_TAG, SCREEN_TAG, cdp1869_device::DOT_CLK_PAL)
/* sound hardware */
SPEAKER(config, "mono").front_center();
MCFG_CDP1869_ADD(CDP1869_TAG, cdp1869_device::DOT_CLK_PAL, cdp1869_page_ram)
MCFG_CDP1869_COLOR_CLOCK(cdp1869_device::COLOR_CLK_PAL)
MCFG_CDP1869_CHAR_PCB_READ_OWNER(comx35_state, comx35_pcb_r)
MCFG_CDP1869_CHAR_RAM_READ_OWNER(comx35_state, comx35_charram_r)
MCFG_CDP1869_CHAR_RAM_WRITE_OWNER(comx35_state, comx35_charram_w)
MCFG_CDP1869_PAL_NTSC_CALLBACK(VCC)
MCFG_CDP1869_PRD_CALLBACK(WRITELINE(*this, comx35_state, prd_w))
MCFG_CDP1869_SET_SCREEN(SCREEN_TAG)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
WAVE(config, "wave", "cassette").add_route(ALL_OUTPUTS, "mono", 0.25);
MACHINE_CONFIG_END
MACHINE_CONFIG_START(comx35_state::comx35_ntsc_video)
MCFG_CDP1869_SCREEN_NTSC_ADD(CDP1869_TAG, SCREEN_TAG, cdp1869_device::DOT_CLK_NTSC)
/* sound hardware */
SPEAKER(config, "mono").front_center();
MCFG_CDP1869_ADD(CDP1869_TAG, cdp1869_device::DOT_CLK_NTSC, cdp1869_page_ram)
MCFG_CDP1869_COLOR_CLOCK(cdp1869_device::COLOR_CLK_NTSC)
MCFG_CDP1869_CHAR_PCB_READ_OWNER(comx35_state, comx35_pcb_r)
MCFG_CDP1869_CHAR_RAM_READ_OWNER(comx35_state, comx35_charram_r)
MCFG_CDP1869_CHAR_RAM_WRITE_OWNER(comx35_state, comx35_charram_w)
MCFG_CDP1869_PAL_NTSC_CALLBACK(GND)
MCFG_CDP1869_PRD_CALLBACK(WRITELINE(*this, comx35_state, prd_w))
MCFG_CDP1869_SET_SCREEN(SCREEN_TAG)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
WAVE(config, "wave", "cassette").add_route(ALL_OUTPUTS, "mono", 0.25);
MACHINE_CONFIG_END