// license:BSD-3-Clause
// copyright-holders:Curt Coder
#include "emu.h"
#include "rendlay.h"
#include "includes/comx35.h"
#include "cpu/cosmac/cosmac.h"
#include "sound/cdp1869.h"
#include "sound/wave.h"
#include "video/mc6845.h"
WRITE8_MEMBER( comx35_state::cdp1869_w )
{
UINT16 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 */
static ADDRESS_MAP_START( cdp1869_page_ram, AS_0, 8, driver_device )
AM_RANGE(0x000, 0x7ff) AM_RAM
ADDRESS_MAP_END
static CDP1869_CHAR_RAM_READ( comx35_charram_r )
{
comx35_state *state = device->machine().driver_data<comx35_state>();
UINT8 column = pmd & 0x7f;
UINT16 charaddr = (column << 4) | cma;
return state->m_char_ram[charaddr];
}
static CDP1869_CHAR_RAM_WRITE( comx35_charram_w )
{
comx35_state *state = device->machine().driver_data<comx35_state>();
UINT8 column = pmd & 0x7f;
UINT16 charaddr = (column << 4) | cma;
state->m_char_ram[charaddr] = data;
}
static CDP1869_PCB_READ( 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);
}
static CDP1869_INTERFACE( pal_cdp1869_intf )
{
CDP1869_COLOR_CLK_PAL,
CDP1869_PAL,
comx35_pcb_r,
comx35_charram_r,
comx35_charram_w,
DEVCB_DRIVER_LINE_MEMBER(comx35_state, prd_w)
};
static CDP1869_INTERFACE( ntsc_cdp1869_intf )
{
CDP1869_COLOR_CLK_NTSC,
CDP1869_NTSC,
comx35_pcb_r,
comx35_charram_r,
comx35_charram_w,
DEVCB_DRIVER_LINE_MEMBER(comx35_state, prd_w)
};
void comx35_state::video_start()
{
// allocate memory
m_char_ram.allocate(COMX35_CHARRAM_SIZE);
}
/* Machine Drivers */
MACHINE_CONFIG_FRAGMENT( comx35_pal_video )
MCFG_CDP1869_SCREEN_PAL_ADD(CDP1869_TAG, SCREEN_TAG, CDP1869_DOT_CLK_PAL)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_CDP1869_ADD(CDP1869_TAG, CDP1869_DOT_CLK_PAL, pal_cdp1869_intf, cdp1869_page_ram)
MCFG_CDP1869_SET_SCREEN(SCREEN_TAG)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END
MACHINE_CONFIG_FRAGMENT( comx35_ntsc_video )
MCFG_CDP1869_SCREEN_NTSC_ADD(CDP1869_TAG, SCREEN_TAG, CDP1869_DOT_CLK_NTSC)
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_CDP1869_ADD(CDP1869_TAG, CDP1869_DOT_CLK_NTSC, ntsc_cdp1869_intf, cdp1869_page_ram)
MCFG_CDP1869_SET_SCREEN(SCREEN_TAG)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END