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// license:BSD-3-Clause
// copyright-holders:David Haywood
#include "emu.h"
#include "elan_eu3a14_soc.h"
#include "speaker.h"
DEFINE_DEVICE_TYPE(ELAN_EU3A14_SOC, elan_eu3a14_soc_device, "elan_eu3a14_soc_device", "ELAN EU3A14")
elan_eu3a14_soc_device::elan_eu3a14_soc_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
m6502_device(mconfig, type, tag, owner, clock),
m_extbus_config("extbus", ENDIANNESS_LITTLE, 8, 24),
m_sys(*this, "sys"),
m_sound(*this, "eu3a05sound"),
m_vid(*this, "commonvid"),
m_palette(*this, "palette"),
m_screen(*this, finder_base::DUMMY_TAG),
m_read_callback(*this, 0xff),
m_write_callback(*this),
m_default_spriteramaddr(0),
m_default_tileramaddr(0),
m_disable_timer(false),
m_is_pal(false)
{
m_extbus_config.m_addr_width = 24;
m_extbus_config.m_logaddr_width = 24;
m_program_config.m_internal_map = address_map_constructor(FUNC(elan_eu3a14_soc_device::int_map), this);
}
elan_eu3a14_soc_device::elan_eu3a14_soc_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
elan_eu3a14_soc_device(mconfig, ELAN_EU3A14_SOC, tag, owner, clock)
{
}
// background
static const gfx_layout helper16x16x8_layout =
{
16,16,
RGN_FRAC(1,1),
8,
{ STEP8(0,1) },
{ STEP16(0,8) },
{ STEP16(0,16*8) },
16 * 16 * 8
};
static const gfx_layout helper16x16x4_layout =
{
16,16,
RGN_FRAC(1,1),
4,
{ STEP4(0,1) },
{ STEP16(0,4) },
{ STEP16(0,16*4) },
16 * 16 * 4
};
static const gfx_layout helper8x8x8_layout =
{
8,8,
RGN_FRAC(1,1),
8,
{ STEP8(0,1) },
{ STEP8(0,8) },
{ STEP8(0,8*8) },
8 * 8 * 8
};
static GFXDECODE_START( gfx_helper )
// TODO: how do we avoid the direct region reference here? (this is only used for debugging)
GFXDECODE_ENTRY( ":maincpu", 0, helper16x16x8_layout, 0x0, 2 )
GFXDECODE_ENTRY( ":maincpu", 0, helper16x16x4_layout, 0x0, 32 )
GFXDECODE_ENTRY( ":maincpu", 0, helper8x8x8_layout, 0x0, 2 )
GFXDECODE_ENTRY( ":maincpu", 0, gfx_8x8x4_packed_msb, 0x0, 32 )
GFXDECODE_END
void elan_eu3a14_soc_device::device_add_mconfig(machine_config &config)
{
ELAN_EU3A14_SYS(config, m_sys, 0);
m_sys->set_cpu(DEVICE_SELF);
m_sys->bank_change_callback().set(FUNC(elan_eu3a14_soc_device::bank_change));
/* video hardware */
PALETTE(config, m_palette).set_entries(512);
ELAN_EU3A14_VID(config, m_vid, 0);
m_vid->set_cpu(DEVICE_SELF);
m_vid->set_palette(m_palette);
m_vid->set_entries(512);
m_vid->set_tilerambase(0);
/* sound hardware */
SPEAKER(config, "mono").front_center();
ELAN_EU3A05_SOUND(config, m_sound, 8000);
m_sound->space_read_callback().set(FUNC(elan_eu3a14_soc_device::read_full_space));
m_sound->add_route(ALL_OUTPUTS, "mono", 1.0);
m_sound->sound_end_cb<0>().set(FUNC(elan_eu3a14_soc_device::sound_end0));
m_sound->sound_end_cb<1>().set(FUNC(elan_eu3a14_soc_device::sound_end1));
m_sound->sound_end_cb<2>().set(FUNC(elan_eu3a14_soc_device::sound_end2));
m_sound->sound_end_cb<3>().set(FUNC(elan_eu3a14_soc_device::sound_end3));
m_sound->sound_end_cb<4>().set(FUNC(elan_eu3a14_soc_device::sound_end4));
m_sound->sound_end_cb<5>().set(FUNC(elan_eu3a14_soc_device::sound_end5));
GFXDECODE(config, "gfxdecode", m_palette, gfx_helper);
}
device_memory_interface::space_config_vector elan_eu3a14_soc_device::memory_space_config() const
{
if(has_configured_map(AS_OPCODES))
return space_config_vector {
std::make_pair(AS_PROGRAM, &m_program_config),
std::make_pair(AS_OPCODES, &m_sprogram_config),
std::make_pair(AS_EXTERNAL, &m_extbus_config),
};
else
return space_config_vector {
std::make_pair(AS_PROGRAM, &m_program_config),
std::make_pair(AS_EXTERNAL, &m_extbus_config),
};
}
void elan_eu3a14_soc_device::device_reset()
{
m6502_device::device_reset();
m_current_bank = 0x01;
m_portdir[0] = 0x00;
m_portdir[1] = 0x00;
m_portdir[2] = 0x00;
// see note in eu3a05, probably applies here too but nothing depends on it
set_state_int(M6502_S, 0x1ff);
if (m_is_pal)
m_sys->set_pal();
// pass per-game kludges to subdevices
m_vid->set_default_spriteramaddr(m_default_spriteramaddr);
m_vid->set_tilerambase(m_default_tileramaddr);
if (m_disable_timer)
m_sys->disable_timer_irq();
}
void elan_eu3a14_soc_device::device_start()
{
m6502_device::device_start();
m_vid->create_bitmaps(m_screen);
}
void elan_eu3a14_soc_device::int_map(address_map &map)
{
map(0x0000, 0x01ff).ram();
map(0x0200, 0x3fff).ram().share("mainram"); // 200-9ff is sprites? a00 - ??? is tilemap?
map(0x4800, 0x4bff).rw(m_vid, FUNC(elan_eu3a14vid_device::palette_r), FUNC(elan_eu3a14vid_device::palette_w));
map(0x5000, 0x501f).m(m_sys, FUNC(elan_eu3a14sys_device::map)); // including DMA controller
// probably GPIO like eu3a05, although it access 47/48 as unknown instead of 48/49/4a
map(0x5040, 0x5040).w(FUNC(elan_eu3a14_soc_device::porta_dir_w));
map(0x5041, 0x5041).rw(FUNC(elan_eu3a14_soc_device::porta_dat_r), FUNC(elan_eu3a14_soc_device::porta_dat_w));
map(0x5042, 0x5042).w(FUNC(elan_eu3a14_soc_device::portb_dir_w));
map(0x5043, 0x5043).rw(FUNC(elan_eu3a14_soc_device::portb_dat_r), FUNC(elan_eu3a14_soc_device::portb_dat_w));
map(0x5044, 0x5044).w(FUNC(elan_eu3a14_soc_device::portc_dir_w));
map(0x5045, 0x5045).rw(FUNC(elan_eu3a14_soc_device::portc_dat_r), FUNC(elan_eu3a14_soc_device::portc_dat_w));
map(0x5046, 0x5046).nopw();
map(0x5047, 0x5047).nopw();
map(0x5048, 0x5048).nopw();
// 5060 - 506e r/w during startup on foot (adc?)
// 0x5080 - 50bf = SOUND AREA (same as eu5a03?)
map(0x5080, 0x50bf).m(m_sound, FUNC(elan_eu3a05_sound_device::map));
// 0x5100 - 517f = VIDEO AREA
map(0x5100, 0x517f).m(m_vid, FUNC(elan_eu3a14vid_device::map));
map(0x6000, 0xdfff).rw(FUNC(elan_eu3a14_soc_device::bank_r), FUNC(elan_eu3a14_soc_device::bank_w));
map(0xe000, 0xffff).r(FUNC(elan_eu3a14_soc_device::fixed_r));
map(0xfffa, 0xfffb).r(m_sys, FUNC(elan_eu3a05commonsys_device::nmi_vector_r)); // custom vectors handled with NMI for now
//map(0xfffe, 0xffff).r(m_sys, FUNC(elan_eu3a05commonsys_device::irq_vector_r)); // allow normal IRQ for brk
}
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