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Diffstat (limited to 'src/devices/bus/mpf1/ssb.cpp')
-rw-r--r-- | src/devices/bus/mpf1/ssb.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/devices/bus/mpf1/ssb.cpp b/src/devices/bus/mpf1/ssb.cpp new file mode 100644 index 00000000000..ef3188e6f64 --- /dev/null +++ b/src/devices/bus/mpf1/ssb.cpp @@ -0,0 +1,92 @@ +// 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)") |