Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-23 17:00:53 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

funtech/acan: rename to umc6619_sound.cpp/.h, add minor notes

Browse Source
This commit is contained in:
angelosa 2024-09-08 19:18:44 +02:00
parent 39b831b20c
commit 8e7642c070
3 changed files with 37 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/mame/funtech/supracan.cpp
View File

@ -64,16 +64,18 @@ STATUS:
**************************************************************************************************/
#include "emu.h"
#include "cpu/m68000/m68000.h"
#include "cpu/m6502/m65c02.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"
#include "acan.h"
#include "cpu/m68000/m68000.h"
#include "cpu/m6502/m65c02.h"
#include "emupal.h"
#include "screen.h"
#include "softlist_dev.h"
#include "speaker.h"
#include "tilemap.h"
#include "umc6619_sound.h"
#include "umc6650.h"
#define LOG_UNKNOWNS (1U << 1)
@ -185,7 +187,7 @@ private:
required_shared_ptr<uint16_t> m_vram;
required_shared_ptr<uint8_t> m_soundram;
required_device<acan_sound_device> m_sound;
required_device<umc6619_sound_device> m_sound;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
@ -2255,7 +2257,7 @@ void supracan_state::supracan(machine_config &config)
SPEAKER(config, "rspeaker").front_right();
// TODO: derive and verify from U13_CLOCK
ACANSND(config, m_sound, XTAL(3'579'545));
UMC6619_SOUND(config, m_sound, XTAL(3'579'545));
m_sound->ram_read().set(FUNC(supracan_state::sound_ram_read));
m_sound->timer_irq_handler().set(FUNC(supracan_state::sound_timer_irq));
m_sound->dma_irq_handler().set(FUNC(supracan_state::sound_dma_irq));

37
src/mame/funtech/acan.cpp → src/mame/funtech/umc6619_sound.cpp
View File

@ -2,23 +2,23 @@
// copyright-holders:Ryan Holtz, superctr
/***************************************************************************
Super A'Can sound driver
Super A'Can UMC 6619 sound driver
Currently has a number of unknown registers and functionality.
****************************************************************************/
#include "emu.h"
#include "acan.h"
#include "umc6619_sound.h"
#define VERBOSE (0)
#include "logmacro.h"
// device type definition
DEFINE_DEVICE_TYPE(ACANSND, acan_sound_device, "acansound", "Super A'Can Audio")
DEFINE_DEVICE_TYPE(UMC6619_SOUND, umc6619_sound_device, "umc6619_sound", "UMC UM6619 Sound Engine")
acan_sound_device::acan_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, ACANSND, tag, owner, clock)
umc6619_sound_device::umc6619_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, UMC6619_SOUND, tag, owner, clock)
, device_sound_interface(mconfig, *this)
, m_stream(nullptr)
, m_timer(nullptr)
@ -31,11 +31,11 @@ acan_sound_device::acan_sound_device(const machine_config &mconfig, const char *
}
void acan_sound_device::device_start()
void umc6619_sound_device::device_start()
{
m_stream = stream_alloc(0, 2, clock() / 16 / 5);
m_mix = std::make_unique<int32_t[]>((clock() / 16 / 5) * 2);
m_timer = timer_alloc(FUNC(acan_sound_device::channel_irq), this);
m_timer = timer_alloc(FUNC(umc6619_sound_device::channel_irq), this);
// register for savestates
save_item(NAME(m_active_channels));
@ -56,18 +56,23 @@ void acan_sound_device::device_start()
save_item(NAME(m_regs));
}
void acan_sound_device::device_reset()
void umc6619_sound_device::device_reset()
{
m_active_channels = 0;
m_dma_channels = 0;
std::fill(std::begin(m_regs), std::end(m_regs), 0);
for (auto &channel : m_channels)
{
channel.register9 = 0;
}
m_timer->reset();
m_timer_irq_handler(0);
m_dma_irq_handler(0);
}
TIMER_CALLBACK_MEMBER(acan_sound_device::channel_irq)
TIMER_CALLBACK_MEMBER(umc6619_sound_device::channel_irq)
{
if (m_regs[0x14] & 0x40)
{
@ -79,7 +84,7 @@ TIMER_CALLBACK_MEMBER(acan_sound_device::channel_irq)
}
}
void acan_sound_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
void umc6619_sound_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
{
std::fill_n(&m_mix[0], outputs[0].samples() * 2, 0);
@ -130,7 +135,7 @@ void acan_sound_device::sound_stream_update(sound_stream &stream, std::vector<re
}
}
uint8_t acan_sound_device::read(offs_t offset)
uint8_t umc6619_sound_device::read(offs_t offset)
{
if (offset == 0x14)
{
@ -142,10 +147,11 @@ uint8_t acan_sound_device::read(offs_t offset)
// acknowledge DMA IRQ?
m_dma_irq_handler(0);
}
// TODO: offset 0x15 (read by streaming DMAs)
return m_regs[offset];
}
void acan_sound_device::keyon_voice(uint8_t voice)
void umc6619_sound_device::keyon_voice(uint8_t voice)
{
acan_channel &channel = m_channels[voice];
channel.curr_addr = channel.start_addr << 6;
@ -156,11 +162,12 @@ void acan_sound_device::keyon_voice(uint8_t voice)
//printf("Keyon voice %d\n", voice);
}
void acan_sound_device::write(offs_t offset, uint8_t data)
void umc6619_sound_device::write(offs_t offset, uint8_t data)
{
const uint8_t upper = (offset >> 4) & 0x0f;
const uint8_t lower = offset & 0x0f;
m_stream->update();
m_regs[offset] = data;
switch (upper)
@ -285,6 +292,10 @@ void acan_sound_device::write(offs_t offset, uint8_t data)
break;
}
// case 4:
// Normally 0x03 for keyon channels, 0x01 for streaming DMAs
// (staiwbbl, formduel, sangofgt)
default:
LOG("Unknown sound register: %02x = %02x\n", offset, data);
break;

12
src/mame/funtech/acan.h → src/mame/funtech/umc6619_sound.h
View File

@ -6,15 +6,15 @@
**********************************************************************/
#ifndef MAME_FUNTECH_ACAN_H
#define MAME_FUNTECH_ACAN_H
#ifndef MAME_FUNTECH_UM6619_SOUND_H
#define MAME_FUNTECH_UM6619_SOUND_H
#pragma once
class acan_sound_device : public device_t, public device_sound_interface
class umc6619_sound_device : public device_t, public device_sound_interface
{
public:
acan_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
umc6619_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
auto ram_read() { return m_ram_read.bind(); }
auto timer_irq_handler() { return m_timer_irq_handler.bind(); }
@ -65,6 +65,6 @@ private:
std::unique_ptr<int32_t[]> m_mix;
};
DECLARE_DEVICE_TYPE(ACANSND, acan_sound_device)
DECLARE_DEVICE_TYPE(UMC6619_SOUND, umc6619_sound_device)
#endif // MAME_FUNTECH_ACAN_H
#endif // MAME_FUNTECH_UM6619_SOUND_H