mirror of
https://github.com/holub/mame
synced 2025-05-17 03:10:43 +03:00
d0f1c15a0f
Should be added soon: - mute - speaker/microphone resampling To be added a little later: - compression - reverb Needs to be added by someone else: - coreaudio - direct - portaudio - xaudio2 - js
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Olivier Galibert
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/***************************************************************************
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rp2a03.cpp
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6502, NES variant
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***************************************************************************/
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#include "emu.h"
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#include "rp2a03.h"
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#include "rp2a03d.h"
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DEFINE_DEVICE_TYPE(RP2A03_CORE, rp2a03_core_device, "rp2a03_core", "Ricoh RP2A03 core") // needed for some VT systems with XOP instead of standard APU
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DEFINE_DEVICE_TYPE(RP2A03, rp2a03_device, "rp2a03", "Ricoh RP2A03") // earliest version, found in punchout, spnchout, dkong3, VS. systems, and some early Famicoms
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DEFINE_DEVICE_TYPE(RP2A03G, rp2a03g_device, "rp2a03g", "Ricoh RP2A03G") // later revision, found in front-loader NES
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void rp2a03_device::rp2a03_map(address_map &map)
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{
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map(0x4000, 0x4013).w(m_apu, FUNC(nesapu_device::write));
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map(0x4015, 0x4015).lw8(NAME([this](u8 data) { m_apu->write(0x15, data); }));
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map(0x4017, 0x4017).lw8(NAME([this](u8 data) { m_apu->write(0x17, data); }));
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map(0x4015, 0x4015).r(m_apu, FUNC(nesapu_device::status_r));
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// 0x4014 w -> NES sprite DMA (is this internal?)
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// 0x4016 w -> d0-d2: RP2A03 OUT0,OUT1,OUT2
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// 0x4016 r -> d0-d4: RP2A03 IN0
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// 0x4017 r -> d0-d4: RP2A03 IN1
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}
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rp2a03_core_device::rp2a03_core_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
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: m6502_device(mconfig, type, tag, owner, clock)
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{
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}
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rp2a03_core_device::rp2a03_core_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: rp2a03_core_device(mconfig, RP2A03_CORE, tag, owner, clock)
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{
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}
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rp2a03_device::rp2a03_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock)
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: rp2a03_core_device(mconfig, type, tag, owner, clock)
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, device_mixer_interface(mconfig, *this)
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, m_apu(*this, "nesapu")
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{
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program_config.m_internal_map = address_map_constructor(FUNC(rp2a03_device::rp2a03_map), this);
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}
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rp2a03_device::rp2a03_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: rp2a03_device(mconfig, RP2A03, tag, owner, clock)
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{
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}
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rp2a03g_device::rp2a03g_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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: rp2a03_device(mconfig, RP2A03G, tag, owner, clock)
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{
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}
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std::unique_ptr<util::disasm_interface> rp2a03_core_device::create_disassembler()
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{
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return std::make_unique<rp2a03_disassembler>();
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}
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void rp2a03_device::apu_irq(int state)
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{
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// games relying on the APU_IRQ don't seem to work anyway? (nes software list : timelord, mig29sf, firehawk)
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set_input_line(RP2A03_APU_IRQ_LINE, state ? ASSERT_LINE : CLEAR_LINE);
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}
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uint8_t rp2a03_device::apu_read_mem(offs_t offset)
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{
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return mintf->program.read_byte(offset);
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}
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void rp2a03_device::device_add_mconfig(machine_config &config)
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{
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APU_2A03(config, m_apu, DERIVED_CLOCK(1,1));
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m_apu->irq().set(FUNC(rp2a03_device::apu_irq));
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m_apu->mem_read().set(FUNC(rp2a03_device::apu_read_mem));
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m_apu->add_route(ALL_OUTPUTS, *this, 1.0, 0);
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}
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void rp2a03g_device::device_add_mconfig(machine_config &config)
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{
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NES_APU(config, m_apu, DERIVED_CLOCK(1,1));
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m_apu->irq().set(FUNC(rp2a03g_device::apu_irq));
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m_apu->mem_read().set(FUNC(rp2a03g_device::apu_read_mem));
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m_apu->add_route(ALL_OUTPUTS, *this, 1.0, 0);
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}
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#include "cpu/m6502/rp2a03.hxx"
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