// 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(CONSTANT(1)) 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(CONSTANT(0)) 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