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-rw-r--r--src/devices/bus/mpf1/ssb.cpp92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/devices/bus/mpf1/ssb.cpp b/src/devices/bus/mpf1/ssb.cpp
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+++ b/src/devices/bus/mpf1/ssb.cpp
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/***************************************************************************
+
+ Multitech Speech Synthesizer Board
+
+ PROG 1 : Time-clock program ADDR 5000 GO
+ CHECK-CODE : Self-test, speak all vocabulary ADDR 51DC GO
+ PROG 2 : Speech program utility ADDR 5200 GO
+
+ TODO: improve VSP READY callback to Z80 WAIT, currently VSP FIFO overflows.
+
+***************************************************************************/
+
+#include "emu.h"
+#include "ssb.h"
+#include "sound/tms5220.h"
+#include "bus/generic/carts.h"
+#include "bus/generic/slot.h"
+#include "speaker.h"
+
+
+namespace {
+
+//-------------------------------------------------
+// rom_region - device-specific ROM region
+//-------------------------------------------------
+
+ROM_START( mpf_ssb )
+ ROM_REGION(0x1000, "u5", 0)
+ ROM_LOAD("ssb-mpf.bin", 0x0000, 0x1000, CRC(f926334f) SHA1(35847f8164eed4c0794a8b74e5d7fa972b10eb90))
+ROM_END
+
+
+//-------------------------------------------------
+// mpf_ssb_device - constructor
+//-------------------------------------------------
+
+class mpf_ssb_device : public device_t, public device_mpf1_exp_interface
+{
+public:
+ static constexpr feature_type imperfect_features() { return feature::SOUND; }
+
+ mpf_ssb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : device_t(mconfig, MPF_SSB, tag, owner, clock)
+ , device_mpf1_exp_interface(mconfig, *this)
+ , m_rom_u5(*this, "u5")
+ , m_rom_u4(*this, "u4")
+ , m_rom_u3(*this, "u3")
+ , m_vsp(*this, "vsp")
+ {
+ }
+
+protected:
+ virtual void device_add_mconfig(machine_config &config) override
+ {
+ SPEAKER(config, "mono").front_center();
+
+ TMS5200(config, m_vsp, 640000);
+ m_vsp->ready_cb().set(DEVICE_SELF_OWNER, FUNC(mpf1_exp_device::wait_w));
+ m_vsp->add_route(ALL_OUTPUTS, "mono", 0.5);
+
+ GENERIC_SOCKET(config, "u4", generic_linear_slot, nullptr, "bin,rom");
+ GENERIC_SOCKET(config, "u3", generic_linear_slot, nullptr, "bin,rom");
+ }
+
+ virtual const tiny_rom_entry *device_rom_region() const override
+ {
+ return ROM_NAME( mpf_ssb );
+ }
+
+ virtual void device_start() override { }
+ virtual void device_reset() override
+ {
+ program_space().install_rom(0x5000, 0x5fff, m_rom_u5->base());
+ program_space().install_read_handler(0x6000, 0x6fff, emu::rw_delegate(*m_rom_u4, FUNC(generic_slot_device::read_rom)));
+ program_space().install_read_handler(0x7000, 0x7fff, emu::rw_delegate(*m_rom_u3, FUNC(generic_slot_device::read_rom)));
+
+ io_space().install_readwrite_handler(0xfe, 0xfe, emu::rw_delegate(*m_vsp, FUNC(tms5200_device::status_r)), emu::rw_delegate(*m_vsp, FUNC(tms5200_device::data_w)));
+ }
+
+private:
+ required_memory_region m_rom_u5;
+ required_device<generic_slot_device> m_rom_u4;
+ required_device<generic_slot_device> m_rom_u3;
+ required_device<tms5200_device> m_vsp;
+};
+
+} // anonymous namespace
+
+
+DEFINE_DEVICE_TYPE_PRIVATE(MPF_SSB, device_mpf1_exp_interface, mpf_ssb_device, "mpf1_ssb", "Multitech SSB-MPF (Speech Synthesizer Board)")