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main.cpp
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//=========================================================================//
/*! @file
@brief RX65N/RX72N Space InvaDers Emulator
@author 平松邦仁 (hira@rvf-rc45.net)
@copyright Copyright (C) 2018, 2024 Kunihito Hiramatsu @n
Released under the MIT license @n
https://github.com/hirakuni45/RX/blob/master/LICENSE
*/
//=========================================================================//
#include "common/renesas.hpp"
#include "common/sci_io.hpp"
#include "common/format.hpp"
#include "common/command.hpp"
#include "common/shell.hpp"
#include "sound/dac_stream.hpp"
#include "graphics/font8x16.hpp"
#include "graphics/kfont.hpp"
#include "graphics/font.hpp"
#include "graphics/graphics.hpp"
#include "graphics/simple_dialog.hpp"
#include "chip/FAMIPAD.hpp"
#include "spinv.hpp"
namespace {
#if defined(SIG_RX65N)
// Famicon PAD (CMOS 4021B Shift Register)
// 電源は、微小なので、接続を簡単に行う為、ポートを使う
typedef device::PORT<device::PORT6, device::bitpos::B0> PAD_VCC; // CN2(2)
typedef device::PORT<device::PORT6, device::bitpos::B1> PAD_GND; // CN2(4)
typedef device::PORT<device::PORT6, device::bitpos::B2> PAD_P_S; // CN2(6)
typedef device::PORT<device::PORT6, device::bitpos::B5> PAD_CLK; // CN2(8)
typedef device::PORT<device::PORT7, device::bitpos::B3> PAD_OUT; // CN2(10)
typedef chip::FAMIPAD<PAD_P_S, PAD_CLK, PAD_OUT> FAMIPAD;
FAMIPAD famipad_;
static const int16_t LCD_X = 480;
static const int16_t LCD_Y = 272;
// カード電源制御は使わない場合、「device::NULL_PORT」を指定する。
typedef device::PORT<device::PORT6, device::bitpos::B4, 0> SDC_POWER; // Low Active
// 書き込み禁止は使わない
typedef device::NULL_PORT SDC_WPRT;
// RX65N Envision Kit の SDHI ポートは、候補3になっている
typedef fatfs::sdhi_io<device::SDHI, SDC_POWER, SDC_WPRT,
device::port_map::ORDER::THIRD> SDHI;
// マスターバッファはでサービスできる時間間隔を考えて余裕のあるサイズとする(8192)
// DMAC でループ転送できる最大数の2倍(1024)
typedef sound::sound_out<int16_t, 8192, 1024> SOUND_OUT;
static const int16_t ZERO_LEVEL = 0x8000;
#define USE_DAC
#elif defined(SIG_RX72N)
// Famicon PAD (CMOS 4021B Shift Register)
// PMOD1 PAD_3V3: Pmod1-6
// PMOD1 PAD_GND: Pmod1-5
typedef device::PORT<device::PORT5, device::bitpos::B1> PAD_P_S; // Pmod1-4
typedef device::PORT<device::PORT5, device::bitpos::B2> PAD_CLK; // Pmod1-3
typedef device::PORT<device::PORT5, device::bitpos::B0> PAD_OUT; // Pmod1-2
typedef chip::FAMIPAD<PAD_P_S, PAD_CLK, PAD_OUT, 40> FAMIPAD;
FAMIPAD famipad_;
static const int16_t LCD_X = 480;
static const int16_t LCD_Y = 272;
// カード電源制御は使わない場合、「device::NULL_PORT」を指定する。
typedef device::PORT<device::PORT4, device::bitpos::B2> SDC_POWER;
// 書き込み禁止は使わない
typedef device::NULL_PORT SDC_WPRT;
// RX72N Envision Kit の SDHI ポートは、候補3になっている
typedef fatfs::sdhi_io<device::SDHI, SDC_POWER, SDC_WPRT,
device::port_map::ORDER::THIRD> SDHI;
// マスターバッファはサービスできる時間間隔を考えて余裕のあるサイズとする(8192)
// SSIE の FIFO サイズの2倍以上(256)
typedef sound::sound_out<int16_t, 8192, 256> SOUND_OUT;
static const int16_t ZERO_LEVEL = 0x0000;
#define USE_SSIE
#endif
typedef utils::fixed_fifo<char, 512> RECV_BUFF;
typedef utils::fixed_fifo<char, 1024> SEND_BUFF;
typedef device::sci_io<board_profile::SCI_CH, RECV_BUFF, SEND_BUFF, board_profile::SCI_ORDER> SCI;
SCI sci_;
static const auto PIX = graphics::pixel::TYPE::RGB565;
typedef device::glcdc_mgr<device::GLCDC, LCD_X, LCD_Y, PIX> GLCDC_MGR;
GLCDC_MGR glcdc_mgr_(nullptr, reinterpret_cast<void*>(board_profile::LCD_ORG));
typedef graphics::font8x16 AFONT;
AFONT afont_;
typedef graphics::kfont_null KFONT;
KFONT kfont_;
typedef graphics::font<AFONT, KFONT> FONT;
FONT font_(afont_, kfont_);
typedef graphics::render<GLCDC_MGR, FONT> RENDER;
RENDER render_(glcdc_mgr_, font_);
typedef gui::simple_dialog<RENDER, FAMIPAD> DIALOG;
DIALOG dialog_(render_, famipad_);
SDHI sdh_;
// サウンド出力コンテキスト
SOUND_OUT sound_out_(ZERO_LEVEL);
typedef emu::spinv SPINV;
SPINV spinv_;
typedef utils::command<256> CMD;
CMD cmd_;
typedef utils::shell<CMD> SHELL;
SHELL shell_(cmd_);
#ifdef USE_DAC
typedef sound::dac_stream<device::R12DA, device::MTU0, device::DMAC0, SOUND_OUT> DAC_STREAM;
DAC_STREAM dac_stream_(sound_out_);
void start_audio_()
{
auto dmac_intl = device::ICU::LEVEL::_4;
auto mtu_intl = device::ICU::LEVEL::_5;
if(dac_stream_.start(48'000, dmac_intl, mtu_intl)) {
utils::format("Start D/A Stream\n");
} else {
utils::format("D/A Stream Not start...\n");
}
}
#endif
#ifdef USE_SSIE
typedef device::ssie_io<device::SSIE1, device::DMAC1, SOUND_OUT> SSIE_IO;
SSIE_IO ssie_io_(sound_out_);
void start_audio_()
{
{ // SSIE 設定 RX72N Envision kit では、I2S, 48KHz, 32/24 ビットフォーマット固定
auto intr = device::ICU::LEVEL::_5;
uint32_t aclk = 24'576'000;
uint32_t lrclk = 48'000;
auto ret = ssie_io_.start(aclk, lrclk, SSIE_IO::BFORM::I2S_32, intr);
if(ret) {
ssie_io_.enable_mute(false);
ssie_io_.enable_send(); // 送信開始
utils::format("SSIE Start: AUDIO_CLK: %u Hz, LRCLK: %u\n") % aclk % lrclk;
} else {
utils::format("SSIE Not start...\n");
}
}
}
#endif
void command_()
{
if(!cmd_.service()) {
return;
}
if(shell_.analize()) {
return;
}
if(cmd_.cmp_word(0, "help")) {
shell_.help();
} else {
utils::format("Command error: '%s'\n") % cmd_.get_command();
}
}
}
extern "C" {
uint8_t get_fami_pad()
{
return famipad_.update();
}
void set_sample_rate(uint32_t freq)
{
#ifdef USE_DAC
dac_stream_.set_sample_rate(freq);
#endif
#ifdef USE_SSIE
sound_out_.set_input_rate(freq);
#endif
}
void sci_putch(char ch)
{
sci_.putch(ch);
}
void sci_puts(const char* str)
{
sci_.puts(str);
}
char sci_getch(void)
{
return sci_.getch();
}
uint16_t sci_length()
{
return sci_.recv_length();
}
DSTATUS disk_initialize(BYTE drv) {
return sdh_.disk_initialize(drv);
}
DSTATUS disk_status(BYTE drv) {
return sdh_.disk_status(drv);
}
DRESULT disk_read(BYTE drv, BYTE* buff, DWORD sector, UINT count) {
return sdh_.disk_read(drv, buff, sector, count);
}
DRESULT disk_write(BYTE drv, const BYTE* buff, DWORD sector, UINT count) {
return sdh_.disk_write(drv, buff, sector, count);
}
DRESULT disk_ioctl(BYTE drv, BYTE ctrl, void* buff) {
return sdh_.disk_ioctl(drv, ctrl, buff);
}
DWORD get_fattime(void) {
time_t t = 0;
/// rtc_.get_time(t);
return utils::str::get_fattime(t);
}
}
int main(int argc, char** argv);
int main(int argc, char** argv)
{
SYSTEM_IO::boost_master_clock();
using namespace board_profile;
{ // SCI 設定
auto sci_level = device::ICU::LEVEL::_2;
sci_.start(115200, sci_level);
}
utils::format("\r%s Start Space Invaders Emulator\n") % system_str_;
{ // SD カード・クラスの初期化
sdh_.start();
}
// 波形メモリーの無音状態初期化
sound_out_.mute();
start_audio_();
{ // サンプリング・タイマー設定
set_sample_rate(11127);
}
cmd_.set_prompt("# ");
{ // GLCDC 初期化
LCD_DISP::DIR = 1;
LCD_LIGHT::DIR = 1;
LCD_DISP::P = 0; // DISP Disable
LCD_LIGHT::P = 0; // BackLight Disable (No PWM)
if(glcdc_mgr_.start(device::ICU::LEVEL::_2)) {
utils::format("Start GLCDC\n");
LCD_DISP::P = 1; // DISP Enable
LCD_LIGHT::P = 1; // BackLight Enable (No PWM)
if(!glcdc_mgr_.control(GLCDC_MGR::CONTROL_CMD::START_DISPLAY)) {
utils::format("GLCDC ctrl fail...\n");
}
} else {
utils::format("Fail GLCDC\n");
}
}
LED::DIR = 1;
famipad_.start();
uint32_t delay_inv = 120;
uint8_t n = 0;
bool inv_ok_ = false;
while(1) {
glcdc_mgr_.sync_vpos();
if(delay_inv > 0) {
--delay_inv;
if(delay_inv == 0) {
if(sdh_.get_mount()) {
if(spinv_.start("/inv_roms", "/inv_wavs")) {
utils::format("Space Invaders start...\n");
inv_ok_ = true;
render_.clear(graphics::def_color::Black);
} else {
delay_inv = 30;
utils::format("Space Invaders not start...(fail)\n");
dialog_.modal(vtx::spos(400, 60),
"Invaders ROM Can't find...\n/inv_roms/*, /inv_wavs/*");
}
} else {
delay_inv = 60;
utils::format("SD card not mount\n");
dialog_.modal(vtx::spos(400, 60), "SD Card not mount...");
}
}
}
if(inv_ok_) {
spinv_.service(LCD_ORG, GLCDC_MGR::width, GLCDC_MGR::height);
SPINV::SND_MGR& snd = spinv_.at_sound();
uint32_t len = snd.get_length();
const int16_t* wav = snd.get_buffer();
for(uint32_t i = 0; i < len; ++i) {
while((sound_out_.at_fifo().size() - sound_out_.at_fifo().length()) < 8) {
}
typename SOUND_OUT::WAVE t;
t.l_ch = t.r_ch = *wav++;
sound_out_.at_fifo().put(t);
}
}
sdh_.service();
command_();
++n;
if(n >= 30) {
n = 0;
}
if(n < 10) {
LED::P = 0;
} else {
LED::P = 1;
}
}
}