Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-30 16:00:01 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

mindset: Add modules, implement stereo [O. Galibert]

Browse Source
This commit is contained in:
Olivier Galibert 2019-08-21 14:41:27 +02:00
parent 5c0308fc9b
commit b02df00ba0
1 changed files with 179 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

181
src/mame/drivers/mindset.cpp
View File

@ -15,6 +15,164 @@
#include "mindset.lh"
class mindset_module_interface: public device_t {
public:
virtual void map(address_map &map) = 0;
protected:
mindset_module_interface(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
};
mindset_module_interface::mindset_module_interface(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, type, tag, owner, clock)
{
}
class mindset_module: public device_t,
public device_slot_interface
{
public:
template <typename T>
mindset_module(const machine_config &mconfig, const char *tag, device_t *owner, T &&opts, const char *dflt, bool fixed = false)
: mindset_module(mconfig, tag, owner, 0)
{
option_reset();
opts(*this);
set_default_option(dflt);
set_fixed(fixed);
}
mindset_module(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
virtual ~mindset_module() = default;
void map(address_space &space, offs_t base);
protected:
virtual void device_validity_check(validity_checker &valid) const override;
virtual void device_start() override;
};
DEFINE_DEVICE_TYPE(MINDSET_MODULE, mindset_module, "mindset_module", "MINDSET module")
mindset_module::mindset_module(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, MINDSET_MODULE, tag, owner, clock),
device_slot_interface(mconfig, *this)
{
}
void mindset_module::device_validity_check(validity_checker &valid) const
{
device_t *const carddev = get_card_device();
if (carddev && !dynamic_cast<mindset_module_interface *>(carddev))
osd_printf_error("Card device %s (%s) does not implement mindset_module_interface\n", carddev->tag(), carddev->name());
}
void mindset_module::device_start()
{
}
void mindset_module::map(address_space &space, offs_t base)
{
mindset_module_interface *module = dynamic_cast<mindset_module_interface *>(get_card_device());
if(module)
space.install_device(base, base+0x3f, *module, &mindset_module_interface::map);
}
class mindset_sound_module: public mindset_module_interface {
public:
mindset_sound_module(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
virtual ~mindset_sound_module() = default;
virtual void map(address_map &map) override;
protected:
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override;
private:
u8 m_p1, m_p2;
required_device<i8042_device> m_soundcpu;
required_device<dac_byte_interface> m_dac;
void p1_w(u8 data);
void p2_w(u8 data);
void update_dac();
};
DEFINE_DEVICE_TYPE(MINDSET_SOUND_MODULE, mindset_sound_module, "mindset_sound_module", "MINDSET stereo sound module")
mindset_sound_module::mindset_sound_module(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
mindset_module_interface(mconfig, MINDSET_SOUND_MODULE, tag, owner, clock),
m_soundcpu(*this, "soundcpu"),
m_dac(*this, "dac")
{
}
void mindset_sound_module::device_start()
{
save_item(NAME(m_p1));
save_item(NAME(m_p2));
}
void mindset_sound_module::device_reset()
{
m_p1 = 0x80;
m_p2 = 0;
m_dac->write(0x80);
}
void mindset_sound_module::update_dac()
{
// The p1 dac has the waveform (idle at 0x80), while the p2 one is used for the global volume (mute at 0x00, max at 0xff)
m_dac->write((s8(m_p1-0x80)*m_p2/255 + 0x80) & 0xff);
}
void mindset_sound_module::p1_w(u8 data)
{
m_p1 = data;
update_dac();
}
void mindset_sound_module::p2_w(u8 data)
{
m_p2 = data;
update_dac();
}
void mindset_sound_module::map(address_map &map)
{
map(0x00, 0x03).rw(m_soundcpu, FUNC(i8042_device::upi41_master_r), FUNC(i8042_device::upi41_master_w)).umask16(0x00ff);
map(0x00, 0x00).lr8("id", []() -> u8 { return 0x13; });
}
ROM_START(mindset_sound_module)
ROM_REGION(0x0800, "soundcpu", 0)
ROM_LOAD("253006-001.u16", 0, 0x800, CRC(7bea5edd) SHA1(30cdc0dedaa5246f4952df452a99ca22e3cd0636))
ROM_END
const tiny_rom_entry *mindset_sound_module::device_rom_region() const
{
return ROM_NAME(mindset_sound_module);
}
void mindset_sound_module::device_add_mconfig(machine_config &config)
{
I8042(config, m_soundcpu, 12_MHz_XTAL/2);
m_soundcpu->p1_out_cb().set(FUNC(mindset_sound_module::p1_w));
m_soundcpu->p2_out_cb().set(FUNC(mindset_sound_module::p2_w));
SPEAKER(config, "rspeaker").front_right();
DAC_8BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "rspeaker", 0.5);
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
vref.add_route(0, m_dac, 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, m_dac, -1.0, DAC_VREF_NEG_INPUT);
}
class mindset_state: public driver_device
{
public:
@ -39,6 +197,7 @@ protected:
output_finder<> m_yellow_led;
output_finder<> m_green_led;
required_device<dac_byte_interface> m_dac;
required_device_array<mindset_module, 6> m_modules;
memory_access_cache<1, 0, ENDIANNESS_LITTLE> *m_gcps;
@ -142,7 +301,8 @@ mindset_state::mindset_state(const machine_config &mconfig, device_type type, co
m_red_led(*this, "red_led"),
m_yellow_led(*this, "yellow_led"),
m_green_led(*this, "green_led"),
m_dac(*this, "dac")
m_dac(*this, "dac"),
m_modules(*this, "m%d", 0U)
{
}
@ -193,6 +353,11 @@ void mindset_state::machine_start()
void mindset_state::machine_reset()
{
auto &space = m_maincpu->space(AS_IO);
space.unmap_readwrite(0x8080, 0x81ff);
for(int i=0; i<6; i++)
m_modules[i]->map(space, 0x8080 + 0x40*i);
m_fdc_intext = m_fdc_int = m_trap_int = m_fdc_drq = m_trap_drq = false;
m_trap_pos = m_trap_len = 0;
memset(m_trap_data, 0, sizeof(m_trap_data));
@ -967,7 +1132,7 @@ u16 mindset_state::trap_dma_r(offs_t, u16 mem_mask)
void mindset_state::maincpu_mem(address_map &map)
{
map(0x00000, 0x7ffff).ram();
map(0x00000, 0x3ffff).ram();
map(0xb8000, 0xbffff).ram().share("vram");
map(0xf8000, 0xfffff).rom().region("maincpu", 0);
}
@ -1005,6 +1170,11 @@ static void pc_dd_floppies(device_slot_interface &device)
device.option_add("525dd", FLOPPY_525_DD);
}
static void mindset_modules(device_slot_interface &device)
{
device.option_add("stereo", MINDSET_SOUND_MODULE);
}
void mindset_state::mindset(machine_config &config)
{
config.m_perfect_cpu_quantum = ":syscpu";
@ -1057,6 +1227,13 @@ void mindset_state::mindset(machine_config &config)
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
vref.add_route(0, m_dac, 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, m_dac, -1.0, DAC_VREF_NEG_INPUT);
MINDSET_MODULE(config, "m0", mindset_modules, "stereo", false);
MINDSET_MODULE(config, "m1", mindset_modules, nullptr, false);
MINDSET_MODULE(config, "m2", mindset_modules, nullptr, false);
MINDSET_MODULE(config, "m3", mindset_modules, nullptr, false);
MINDSET_MODULE(config, "m4", mindset_modules, nullptr, false);
MINDSET_MODULE(config, "m5", mindset_modules, nullptr, false);
}
static INPUT_PORTS_START(mindset)