mirror of
https://github.com/holub/mame
synced 2025-04-22 08:22:15 +03:00
parent
2d44063e64
commit
b2cbad36f2
@ -24,7 +24,6 @@ Refs:
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https://8bit.yarek.pl/interface/zx.generalsound/index.html
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TODO:
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- SPI
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- DMA
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- MP3
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@ -35,23 +34,37 @@ TODO:
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#include "cpu/z80/z80.h"
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#include "machine/ram.h"
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#include "machine/spi_sdcard.h"
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#include "sound/dac.h"
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#include "speaker.h"
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#define LOG_STATUS (1U << 1)
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#define LOG_WARN (1U << 2)
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#define VERBOSE ( /*LOG_GENERAL | LOG_STATUS |*/ LOG_WARN )
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#include "logmacro.h"
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#define LOGSTATUS(...) LOGMASKED(LOG_STATUS, __VA_ARGS__)
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#define LOGWARN(...) LOGMASKED(LOG_WARN, __VA_ARGS__)
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namespace bus::spectrum::zxbus {
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namespace {
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#define TIMINGS_PERFECT 1
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ROM_START( neogs )
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ROM_REGION(0x80000, "maincpu", 0)
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ROM_DEFAULT_BIOS("v1.08")
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ROM_DEFAULT_BIOS("v1.10.2")
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ROM_SYSTEM_BIOS(0, "v1.08", "v1.08")
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ROMX_LOAD( "neogs108.rom", 0x0000, 0x80000, CRC(8e261323) SHA1(b500b4aa8dea7506d26ad9e50593d9d3bee11ae1), ROM_BIOS(0))
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ROM_SYSTEM_BIOS(0, "v1.10.2", "v1.10 fix2")
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ROMX_LOAD( "neogs110_fix2.rom", 0x0000, 0x80000, CRC(641a4976) SHA1(6409c111a8ca3314a52bdcfc3ba944b73c300987), ROM_BIOS(0))
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ROM_SYSTEM_BIOS(1, "v1.08", "v1.08")
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ROMX_LOAD( "neogs108.rom", 0x0000, 0x80000, CRC(8e261323) SHA1(b500b4aa8dea7506d26ad9e50593d9d3bee11ae1), ROM_BIOS(1))
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ROM_SYSTEM_BIOS(1, "test_muchkin", "Test ROM (Muchkin)")
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ROMX_LOAD( "testrom_muchkin.rom", 0x0000, 0x80000, CRC(8ab10a88) SHA1(cff3ca96489e517568146a00412107259360d01e), ROM_BIOS(1))
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ROM_SYSTEM_BIOS(2, "test_muchkin", "Test ROM (Muchkin)")
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ROMX_LOAD( "testrom_muchkin.rom", 0x0000, 0x80000, CRC(8ab10a88) SHA1(cff3ca96489e517568146a00412107259360d01e), ROM_BIOS(2))
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ROM_END
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class neogs_device : public device_t, public device_zxbus_card_interface
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@ -67,6 +80,7 @@ public:
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, m_bank_ram(*this, "bank_ram")
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, m_view(*this, "view")
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, m_dac(*this, "dac%u", 0U)
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, m_sdcard(*this, "sdcard")
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{ }
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protected:
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@ -90,27 +104,49 @@ protected:
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memory_bank_creator m_bank_rom;
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memory_bank_creator m_bank_ram;
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memory_view m_view;
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required_device_array<dac_word_interface, 8> m_dac;
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required_device_array<dac_word_interface, 2> m_dac;
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required_device<spi_sdcard_sdhc_device> m_sdcard;
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private:
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TIMER_CALLBACK_MEMBER(spi_clock);
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template <u8 Bank> u8 ram_bank_r(offs_t offset);
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template <u8 Bank> void ram_bank_w(offs_t offset, u8 data);
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u8 status_r() { return m_status; }
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void command_w(u8 data) { m_status |= 0x01; m_command_in = data; }
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u8 data_r() { m_status &= ~0x80; return m_data_out; }
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void data_w(u8 data) { m_status |= 0x80; m_data_in = data; }
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void ctrl_w(u8 data);
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u8 neogs_status_r();
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void neogs_command_w(u8 data);
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u8 neogs_data_r();
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void neogs_data_w(u8 data);
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void neogs_ctrl_w(u8 data);
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void status_reset();
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u8 data_r();
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void data_w(u8 data);
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void dac_flush();
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void spi_ctrl_w(u8 data);
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u8 sd_r();
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void sd_w(u8 data);
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u8 m_data_in;
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u8 m_data_out;
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u8 m_command_in;
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u8 m_status;
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u8 m_spi_ctrl;
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u8 m_spi_data_out;
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u8 m_spi_data_in_latch;
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emu_timer *m_spi_clock;
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int m_spi_clock_cycles;
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bool m_spi_clock_state;
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u8 m_mpag;
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u8 m_mpagx;
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u8 m_gscfg0;
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u8 m_vol[8];
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u8 m_sample[8];
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};
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void neogs_device::update_config()
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@ -133,12 +169,48 @@ void neogs_device::update_config()
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m_maincpu->set_clock_scale(cpu_scale);
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}
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void neogs_device::ctrl_w(u8 data)
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u8 neogs_device::neogs_status_r()
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{
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if (!machine().side_effects_disabled())
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LOGSTATUS(" read STAT & %02X\n", m_status);
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return m_status | 0x7e;
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}
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void neogs_device::neogs_command_w(u8 data)
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{
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m_status |= 0x01;
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LOGSTATUS("write CMD & %02X, status: %02X\n", data, m_status);
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m_command_in = data;
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}
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u8 neogs_device::neogs_data_r()
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{
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if (!machine().side_effects_disabled())
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{
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m_status &= ~0x80;
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LOGSTATUS(" read DATA & %02X, status: %02X\n", m_data_out, m_status);
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}
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return m_data_out;
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}
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void neogs_device::neogs_data_w(u8 data) {
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m_status |= 0x80;
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LOGSTATUS("write: DATA & %02X, status: %02X\n", data, m_status);
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m_data_in = data;
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}
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void neogs_device::neogs_ctrl_w(u8 data)
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{
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if (data & 0x80)
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{
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LOG("Reset Request\n");
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reset();
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}
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if (data & 0x40)
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{
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LOG("NMI Request\n");
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m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
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}
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if (data & 0x20)
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; // LED data:0 - 1-on, 0-off
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}
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@ -153,8 +225,116 @@ template <u8 Bank> void neogs_device::ram_bank_w(offs_t offset, u8 data)
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m_ram->write((0xc000 * Bank) + offset, data);
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}
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void neogs_device::status_reset()
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{
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if (!machine().side_effects_disabled())
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{
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m_status &= ~0x01;
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LOGSTATUS(" read: 05, status: %02X\n", m_status);
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}
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}
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u8 neogs_device::data_r()
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{
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if (!machine().side_effects_disabled())
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{
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m_status &= ~0x80;
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LOGSTATUS(" read: 02 & %02X, status: %02X\n", m_data_in, m_status);
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}
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return m_data_in;
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}
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void neogs_device::data_w(u8 data)
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{
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m_status |= 0x80;
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LOGSTATUS("write: 03 & %02X, status: %02X\n", data, m_status);
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m_data_out = data;
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}
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void neogs_device::spi_ctrl_w(u8 data)
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{
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if (BIT(data, 7))
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m_spi_ctrl |= (data & 0x0f);
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else
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m_spi_ctrl &= (~data & 0x0f);
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}
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u8 neogs_device::sd_r()
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{
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u8 din = m_spi_data_in_latch;
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if (!machine().side_effects_disabled())
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sd_w(0xff);
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return din;
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}
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void neogs_device::sd_w(u8 data)
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{
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m_spi_data_out = data;
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#if TIMINGS_PERFECT
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m_spi_clock_cycles = 8;
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m_spi_clock->adjust(m_maincpu->clocks_to_attotime(1) / 4, 0, m_maincpu->clocks_to_attotime(1) / 4);
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#else
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m_sdcard->spi_ss_w(BIT(~m_spi_ctrl, 0));
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for (u8 m = 0x80; m; m >>= 1)
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{
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m_sdcard->spi_mosi_w(m_spi_data_out & m ? 1 : 0);
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m_sdcard->spi_clock_w(CLEAR_LINE);
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m_sdcard->spi_clock_w(ASSERT_LINE);
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}
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#endif
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}
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void neogs_device::dac_flush()
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{
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s16 left = 0;
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s16 right = 0;
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for (auto ch = 0; ch < 8; ch++)
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{
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const bool leftright = BIT(~ch, 1);
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const u8 sample = m_sample[ch] ^ (m_gscfg0 & 0x80); // INV7B
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const s16 out = (sample - 0x80) * m_vol[ch];
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if (leftright)
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left += out;
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else
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right += out;
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if (BIT(m_gscfg0, 2) && BIT(m_gscfg0, 6)) // PAN4CH
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;
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}
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m_dac[0]->data_w(left);
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m_dac[1]->data_w(right);
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}
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TIMER_CALLBACK_MEMBER(neogs_device::spi_clock)
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{
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if (m_spi_clock_cycles > 0)
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{
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m_sdcard->spi_ss_w(BIT(~m_spi_ctrl, 0));
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if (m_spi_clock_state)
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{
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m_sdcard->spi_clock_w(ASSERT_LINE);
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m_spi_clock_cycles--;
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}
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else
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{
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m_sdcard->spi_mosi_w(BIT(m_spi_data_out, m_spi_clock_cycles - 1));
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m_sdcard->spi_clock_w(CLEAR_LINE);
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}
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m_spi_clock_state = !m_spi_clock_state;
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}
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else
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{
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m_spi_clock_state = false;
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m_spi_clock->adjust(attotime::never);
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}
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}
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INTERRUPT_GEN_MEMBER(neogs_device::irq0_line_assert)
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{
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dac_flush();
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m_maincpu->pulse_input_line(INPUT_LINE_IRQ0, attotime::from_ticks(32, m_maincpu->clock()));
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}
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@ -177,31 +357,45 @@ void neogs_device::map_io(address_map &map)
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NAME([this](offs_t offset, u8 data) { m_mpag = data; update_config(); }));
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map(0x0001, 0x0001).mirror(0xff00).lr8(
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NAME([this](offs_t offset) { return m_command_in; }));
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map(0x0002, 0x0002).mirror(0xff00).lr8(
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NAME([this](offs_t offset) { m_status &= ~0x80; return m_data_in; }));
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map(0x0003, 0x0003).mirror(0xff00).lw8(
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NAME([this](offs_t offset, u8 data) { m_status |= 0x80; m_data_out = data; }));
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map(0x0002, 0x0002).mirror(0xff00).r(FUNC(neogs_device::data_r));
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map(0x0003, 0x0003).mirror(0xff00).w(FUNC(neogs_device::data_w));
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map(0x0004, 0x0004).mirror(0xff00).lr8(
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NAME([this](offs_t offset) { return m_status; }));
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map(0x0005, 0x0005).mirror(0xff00).lrw8(
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NAME([this](offs_t offset) { m_status &= ~0x01; return ~0; }),
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NAME([this](offs_t offset, u8 data) { m_status &= ~0x01; }));
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NAME([this](offs_t offset) { status_reset(); return ~0; }),
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NAME([this](offs_t offset, u8 data) { m_status &= ~0x01; LOGSTATUS("write: 05, status: %02X\n", m_status); }));
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map(0x0006, 0x0009).mirror(0xff00).lw8(
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NAME([this](offs_t offset, u8 data) { m_vol[offset] = data & 0x3f; }));
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map(0x0016, 0x0019).mirror(0xff00).lw8(
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NAME([this](offs_t offset, u8 data) { m_vol[4 + offset] = data & 0x3f; }));
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map(0x0010, 0x0010).mirror(0xff00).lw8(
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NAME([this](offs_t offset, u8 data) { m_mpagx = data; update_config(); }));
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//map(0x000a, 0x000a).mirror(0xff00).noprw();
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//map(0x000b, 0x000b).mirror(0xff00).noprw();
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map(0x000a, 0x000a).mirror(0xff00).lrw8(
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NAME([this](offs_t offset) { if (!machine().side_effects_disabled()) { m_status = (m_status & 0x7f) | (m_mpag << 7); } return ~0; }),
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NAME([this](offs_t offset, u8 data) { m_status = (m_status & 0x7f) | (m_mpag << 7); }));
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map(0x000b, 0x000b).mirror(0xff00).lrw8(
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NAME([this](offs_t offset) { if (!machine().side_effects_disabled()) { m_status = (m_status & 0xfe) | (m_vol[0] >> 5); } return ~0; }),
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NAME([this](offs_t offset, u8 data) { m_status = (m_status & 0xfe) | ((m_vol[0] >> 5) & 1); }));
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map(0x000f, 0x000f).mirror(0xff00).lrw8(
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NAME([this](offs_t offset) { return m_gscfg0; }),
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NAME([this](offs_t offset, u8 data) { m_gscfg0 = data; update_config(); }));
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NAME([this](offs_t offset, u8 data) { m_gscfg0 = data & 0x3f; update_config(); }));
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map(0x0011, 0x0011).mirror(0xff00).nopw();
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map(0x0013, 0x0013).mirror(0xff00).noprw();
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map(0x0014, 0x0014).mirror(0xff00).nopr();
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map(0x0011, 0x0011).mirror(0xff00).lr8(
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NAME([this]() { return m_spi_ctrl; })).w(FUNC(neogs_device::spi_ctrl_w));
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map(0x0012, 0x0012).mirror(0xff00).lr8(
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NAME([this](offs_t offset) { return (m_sdcard->get_card_present() << 1) | 0x05; })); // SSTAT
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//SPI
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map(0x0013, 0x0013).mirror(0xff00).lr8(
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NAME([this]() { return m_spi_data_in_latch; })).w(FUNC(neogs_device::sd_w));
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map(0x0014, 0x0014).mirror(0xff00).r(FUNC(neogs_device::sd_r));
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// MP3
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//map(0x0014, 0x0014).mirror(0xff00).nopw();
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map(0x0015, 0x0015).mirror(0xff00).lrw8(
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NAME([](offs_t offset) { return 0xff; }),
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NAME([](offs_t offset, u8 data) { ;/* TODO */ }));
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}
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void neogs_device::device_add_mconfig(machine_config &config)
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@ -213,11 +407,14 @@ void neogs_device::device_add_mconfig(machine_config &config)
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m_maincpu->set_io_map(&neogs_device::map_io);
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m_maincpu->set_periodic_int(FUNC(neogs_device::irq0_line_assert), attotime::from_hz(37.5_kHz_XTAL));
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SPI_SDCARD(config, m_sdcard, 0);
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m_sdcard->spi_miso_callback().set([this](int state) { m_spi_data_in_latch <<= 1; m_spi_data_in_latch |= state; });
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SPEAKER(config, "lspeaker").front_left();
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SPEAKER(config, "rspeaker").front_right();
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for (auto i = 0; i < 8; i++)
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DAC_16BIT_R2R_TWOS_COMPLEMENT(config, m_dac[i], 0).add_route(ALL_OUTPUTS, (i & 2) ? "rspeaker" : "lspeaker", 0.5); // TDA1543
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DAC_16BIT_R2R_TWOS_COMPLEMENT(config, m_dac[0], 0).add_route(ALL_OUTPUTS, "lspeaker", 0.75); // TDA1543
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DAC_16BIT_R2R_TWOS_COMPLEMENT(config, m_dac[1], 0).add_route(ALL_OUTPUTS, "rspeaker", 0.75);
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}
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const tiny_rom_entry *neogs_device::device_rom_region() const
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@ -227,9 +424,9 @@ const tiny_rom_entry *neogs_device::device_rom_region() const
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void neogs_device::neogsmap(address_map &map)
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{
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map(0x00bb, 0x00bb).mirror(0xff00).rw(FUNC(neogs_device::status_r), FUNC(neogs_device::command_w));
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map(0x00b3, 0x00b3).mirror(0xff00).rw(FUNC(neogs_device::data_r), FUNC(neogs_device::data_w));
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map(0x0033, 0x0033).mirror(0xff00).w(FUNC(neogs_device::ctrl_w));
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map(0x00bb, 0x00bb).mirror(0xff00).rw(FUNC(neogs_device::neogs_status_r), FUNC(neogs_device::neogs_command_w));
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map(0x00b3, 0x00b3).mirror(0xff00).rw(FUNC(neogs_device::neogs_data_r), FUNC(neogs_device::neogs_data_w));
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map(0x0033, 0x0033).mirror(0xff00).w(FUNC(neogs_device::neogs_ctrl_w));
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}
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void neogs_device::device_start()
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@ -237,6 +434,8 @@ void neogs_device::device_start()
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if (!m_ram->started())
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throw device_missing_dependencies();
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m_spi_clock = timer_alloc(FUNC(neogs_device::spi_clock), this);
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m_bank_rom->configure_entries(0, m_rom.bytes() / 0x8000, &m_rom[0], 0x8000);
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m_bank_ram->configure_entries(0, m_ram->size() / 0x8000, m_ram->pointer(), 0x8000);
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@ -246,11 +445,7 @@ void neogs_device::device_start()
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if (!machine().side_effects_disabled())
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{
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const u8 chanel = BIT(offset, 8, BIT(m_gscfg0, 2) ? 3 : 2); // 8CHANS
|
||||
const u8 sample = data ^ (m_gscfg0 & 0x80); // INV7B
|
||||
const s16 out = (sample - 0x80) * (m_vol[chanel] << 2);
|
||||
m_dac[chanel]->data_w(out);
|
||||
if (BIT(m_gscfg0, 2) && BIT(m_gscfg0, 6)) // PAN4CH
|
||||
;
|
||||
m_sample[chanel] = data;
|
||||
}
|
||||
});
|
||||
|
||||
@ -259,9 +454,20 @@ void neogs_device::device_start()
|
||||
|
||||
void neogs_device::device_reset()
|
||||
{
|
||||
m_spi_clock->adjust(attotime::never);
|
||||
m_spi_clock_cycles = 0;
|
||||
m_spi_clock_state = false;
|
||||
m_spi_ctrl = 0x07;
|
||||
|
||||
u8 vol[8] = {0, 0, 0, 0, 0, 0, 0, 0};
|
||||
std::copy(std::begin(vol), std::end(vol), std::begin(m_vol));
|
||||
|
||||
m_spi_data_in_latch = 0xff;
|
||||
m_spi_data_out = 0xff;
|
||||
|
||||
m_status = 0;
|
||||
m_gscfg0 = 0;
|
||||
m_mpag = 0;
|
||||
m_gscfg0 = 0x30;
|
||||
update_config();
|
||||
}
|
||||
|
||||
|
@ -31,8 +31,9 @@ TODO:
|
||||
|
||||
#include "emu.h"
|
||||
#include "atm.h"
|
||||
|
||||
#include "glukrs.h"
|
||||
|
||||
#include "bus/spectrum/zxbus.h"
|
||||
#include "machine/pckeybrd.h"
|
||||
#include "machine/spi_sdcard.h"
|
||||
#include "machine/timer.h"
|
||||
@ -743,6 +744,10 @@ void pentevo_state::pentevo(machine_config &config)
|
||||
m_sdcard->spi_miso_callback().set(FUNC(pentevo_state::spi_miso_w));
|
||||
|
||||
AT_KEYB(config, m_keyboard, pc_keyboard_device::KEYBOARD_TYPE::AT, 3);
|
||||
|
||||
zxbus_device &zxbus(ZXBUS(config, "zxbus", 0));
|
||||
zxbus.set_iospace("maincpu", AS_IO);
|
||||
ZXBUS_SLOT(config, "zxbus1", 0, "zxbus", zxbus_cards, nullptr);
|
||||
}
|
||||
|
||||
|
||||
|
@ -49,6 +49,7 @@ TODO:
|
||||
#include "emu.h"
|
||||
#include "tsconf.h"
|
||||
|
||||
#include "bus/spectrum/zxbus.h"
|
||||
#include "cpu/z80/z80.h"
|
||||
#include "sound/ay8910.h"
|
||||
#include "speaker.h"
|
||||
@ -276,7 +277,7 @@ void tsconf_state::tsconf(machine_config &config)
|
||||
|
||||
zxbus_device &zxbus(ZXBUS(config, "zxbus", 0));
|
||||
zxbus.set_iospace("maincpu", AS_IO);
|
||||
ZXBUS_SLOT(config, "zxbus1", 0, "zxbus", zxbus_cards, "neogs");
|
||||
ZXBUS_SLOT(config, "zxbus1", 0, "zxbus", zxbus_cards, nullptr);
|
||||
//ZXBUS_SLOT(config, "zxbus2", 0, "zxbus", zxbus_cards, nullptr);
|
||||
|
||||
m_ram->set_default_size("4096K");
|
||||
|
@ -16,7 +16,6 @@
|
||||
#include "tsconfdma.h"
|
||||
|
||||
#include "beta_m.h"
|
||||
#include "bus/spectrum/zxbus.h"
|
||||
#include "machine/pckeybrd.h"
|
||||
#include "machine/spi_sdcard.h"
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user