// 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, XTAL::u(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, const XTAL &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); }