diff options
Diffstat (limited to 'src/devices/bus/bbc/userport/voicebox.cpp')
-rw-r--r-- | src/devices/bus/bbc/userport/voicebox.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/devices/bus/bbc/userport/voicebox.cpp b/src/devices/bus/bbc/userport/voicebox.cpp new file mode 100644 index 00000000000..c42d71a2456 --- /dev/null +++ b/src/devices/bus/bbc/userport/voicebox.cpp @@ -0,0 +1,80 @@ +// license:BSD-3-Clause +// copyright-holders:Nigel Barnes +/********************************************************************** + + Robin Voice Box - The Educational Software Company + +**********************************************************************/ + + +#include "emu.h" +#include "voicebox.h" +#include "speaker.h" + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +DEFINE_DEVICE_TYPE(BBC_VOICEBOX, bbc_voicebox_device, "bbc_voicebox", "Robin Voice Box") + + +ROM_START(voicebox) + ROM_REGION(0x10000, "sp0256", 0) + ROM_LOAD("sp0256a-al2.bin", 0x1000, 0x0800, CRC(b504ac15) SHA1(e60fcb5fa16ff3f3b69d36c7a6e955744d3feafc)) +ROM_END + +//------------------------------------------------- +// rom_region - device-specific ROM region +//------------------------------------------------- + +const tiny_rom_entry *bbc_voicebox_device::device_rom_region() const +{ + return ROM_NAME(voicebox); +} + +//------------------------------------------------- +// device_add_mconfig - add device configuration +//------------------------------------------------- + +void bbc_voicebox_device::device_add_mconfig(machine_config &config) +{ + SPEAKER(config, "mono").front_center(); + SP0256(config, m_nsp, 3120000); // TODO: unknown crystal + m_nsp->data_request_callback().set(DEVICE_SELF_OWNER, FUNC(bbc_userport_slot_device::cb1_w)).invert(); + m_nsp->add_route(ALL_OUTPUTS, "mono", 1.0); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// bbc_voicebox_device - constructor +//------------------------------------------------- + +bbc_voicebox_device::bbc_voicebox_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : device_t(mconfig, BBC_VOICEBOX, tag, owner, clock) + , device_bbc_userport_interface(mconfig, *this) + , m_nsp(*this, "sp0256") +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void bbc_voicebox_device::device_start() +{ +} + +//************************************************************************** +// IMPLEMENTATION +//************************************************************************** + +void bbc_voicebox_device::pb_w(uint8_t data) +{ + m_nsp->ald_w(data & 0x3f); +} |