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Prepare MainVolume

This commit is contained in:
Jaby 2022-08-31 17:05:22 +02:00
parent febdfb0162
commit fde4ae9c71
5 changed files with 116 additions and 25 deletions
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11
include/PSX/Auxiliary/io_class_helper.hpp
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@ -3,12 +3,14 @@
#include "bits.hpp"
#define io_class__2option_map(option0, option1, bit_num) \
constexpr void set_##option0() { \
constexpr auto& set_##option0() { \
this->raw_value = bit::clear(this->raw_value, bit_num); \
return *this;\
} \
\
constexpr void set_##option1() { \
constexpr auto& set_##option1() { \
this->raw_value = bit::set(this->raw_value, bit_num); \
return *this; \
}
#define io_class__2option_map_getter(type, option0, option1, name, bit_num) \
@ -20,4 +22,9 @@
return static_cast<type>(bit::is_set(this->raw_value, bit_num)); \
}
template<typename T>
static constexpr void io_class__volatile_assign(volatile T& dst, const T& src) {
dst.raw_value = src.raw_value;
}
#endif //!__JABYENGINE_IO_CLASS_HELPER_HPP__

60
include/PSX/SPU/SPU_Ports.hpp
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@ -1,14 +1,20 @@
#ifndef __JABYENGINE_SPU_PORTS_HPP__
#define __JABYENGINE_SPU_PORTS_HPP__
#include "../Auxiliary/io_class_helper.hpp"
#include "../../limits.h"
namespace SPU {
//SampleRate is defined as 4096 == 44100Hz
enum Mode {
Linear = 0,
Exponential = 1,
};
struct __no_align SampleRate {
uint16_t raw_value = 0;
static constexpr SampleRate from_HZ(long double freq)
{
//SampleRate is defined as 4096 == 44100Hz
constexpr long double Base = (4096.0 / 44100.0);
return static_cast<SampleRate>(((freq*4096.0)/44100.0));
@ -16,10 +22,8 @@ namespace SPU {
};
struct __no_align SweepVolume {
enum Type {
Linear = 0,
Exponential = 1,
};
static constexpr int16_t VolumeLevelStep100 = (I16_MAX/100);
static constexpr int16_t VolumeLevelStep1000 = (I16_MAX/1000);
enum Direction {
Increase = 0,
@ -31,12 +35,17 @@ namespace SPU {
Negative = 1,
};
uint16_t raw_value = 0;
int16_t raw_value = 0;
constexpr SweepVolume() = default;
constexpr void set_volume(int16_t volume) {
this->raw_value = bit::value::set_normalized(this->raw_value, bit::cast<uint16_t>(volume >> 1), __start_end_bit2_start_length(0, 14));
static constexpr int16_t VolumeLevelPercent(double percent) {
return static_cast<int16_t>((I16_MAX/100.0)*percent);
}
constexpr auto& set_volume(int16_t volume) {
this->raw_value = bit::value::set_normalized(this->raw_value, static_cast<int16_t>(volume >> 1), __start_end_bit2_start_length(0, 14));
return *this;
}
constexpr int16_t get_volume() const {
@ -44,14 +53,15 @@ namespace SPU {
}
io_class__2option_map(volume_mode, sweep_mode, 15);
io_class__2option_map_getter(Type, linear_sweep_mode, exponential_sweep_mode, sweep_mode_type, 14);
io_class__2option_map_getter(Mode, linear_sweep_mode, exponential_sweep_mode, sweep_mode_type, 14);
io_class__2option_map_getter(Direction, increase_sweep_mode, decrease_sweep_mode, sweep_mode_direction, 13);
io_class__2option_map_getter(Phase, positive_sweep_phase, negative_sweep_phase, sweep_phase, 12);
//Uses only 5bit of shift (0..1F (slow..fast))
constexpr void set_sweep_shift(uint8_5b shift) {
const uint16_t crop_value = static_cast<uint16_t>(shift); //(bit::value::crop_value(shift, 5));
constexpr auto& set_sweep_shift(uint8_5b shift) {
const int16_t crop_value = static_cast<int16_t>(shift); //(bit::value::crop_value(shift, 5));
this->raw_value = bit::value::set_normalized(this->raw_value, crop_value, __start_end_bit2_start_length(2, 6));
return *this;
}
constexpr uint8_5b get_sweep_shift() const {
@ -59,8 +69,9 @@ namespace SPU {
}
//0..3 maps to => +7, +6, +5, +4 or -8, -7, -6, -5
constexpr void set_sweep_step(uint8_2b step) {
this->raw_value = bit::value::set_normalized(this->raw_value, static_cast<uint16_t>(step), __start_end_bit2_start_length(0, 1));
constexpr auto& set_sweep_step(uint8_2b step) {
this->raw_value = bit::value::set_normalized(this->raw_value, static_cast<int16_t>(step), __start_end_bit2_start_length(0, 1));
return *this;
}
constexpr uint8_2b get_sweep_step() const {
@ -68,15 +79,26 @@ namespace SPU {
}
};
struct __no_align ADSR {
uint32_t raw_value = 0;
};
struct __no_align Voice {
static constexpr size_t Count = 24;
static inline __always_inline auto& Channel = reinterpret_cast<Voice(&)[Count]>(*reinterpret_cast<Voice*>(0x1f801c00));
SweepVolume volumeLeft;
SweepVolume volumeRight;
/*VolatileValue<SampleRate> sampleRate;
VolatileValue<uint16_t> adr;
VolatileValue<uint16_t> ad; //0x...08: 15 - 0
VolatileValue<uint16_t> sr; //0x...0A: 31 - 16
VolatileValue<uint16_t> currentVolume; //Not used
VolatileValue<uint16_t> repeatAdr;*/
SampleRate sampleRate;
uint16_t adr;
ADSR adsr;
SweepVolume currentVolume; //Not used
uint16_t repeatAdr;
};
struct MainVolume {
static inline __always_inline auto& Left = *reinterpret_cast<SweepVolume*>(0x1F801D80);
static inline __always_inline auto& Right = *reinterpret_cast<SweepVolume*>(0x1F801D82);
};
}

36
include/limits.h Normal file
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@ -0,0 +1,36 @@
#ifndef __LIMITS__H
#define __LIMITS__H
#define CHAR_BIT 8
#define SCHAR_MIN (-128)
#define SCHAR_MAX 127
#define UCHAR_MAX 0xff
#define CHAR_MIN SCHAR_MIN
#define CHAR_MAX SCHAR_MAX
#define SHRT_MIN (-32768)
#define SHRT_MAX 32767
#define USHRT_MAX 0xffff
#define INT_MIN (-2147483647 - 1)
#define INT_MAX 2147483647
#define UINT_MAX 0xffffffff
#define LONG_MIN INT_MIN
#define LONG_MAX INT_MAX
#define ULONG_MAX UINT_MAX
#define I8_MIN SCHAR_MIN
#define I8_MAX SCHAR_MAX
#define UI8_MAX UCHAR_MAX
#define I16_MIN SHRT_MIN
#define I16_MAX SHRT_MAX
#define UI16_MAX USHRT_MAX
#define I32_MIN INT_MIN
#define I32_MAX INT_MAX
#define UI32_MAX UINT_MAX
#endif //!__LIMITS__H

1
src/Library/Makefile
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@ -2,6 +2,7 @@ ARTIFACT = libJabyEngine
BUILD_DIR = bin
CCFLAGS += -I../../include
CCFLAGS += -save-temps=obj
include ../../lib/Wildcard.mk
SRCS = $(call rwildcard, src, c cpp)

31
src/Library/src/BootLoader/start.cpp
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@ -2,10 +2,35 @@
#include <stdio.h>
namespace JabyEngine {
void start() {
SPU::SweepVolume b;
namespace SPU {
static void clear_voice(::SPU::Voice& voice) {
io_class__volatile_assign(voice.volumeLeft, ::SPU::SweepVolume());
io_class__volatile_assign(voice.volumeRight, ::SPU::SweepVolume());
b.set_volume(9);
io_class__volatile_assign(voice.sampleRate, ::SPU::SampleRate::from_HZ(0.0));
io_class__volatile_assign(voice.adsr, ::SPU::ADSR());
io_class__volatile_assign(voice.currentVolume, ::SPU::SweepVolume());
voice.adr = 0x200;
voice.repeatAdr = 0x200;
}
static void setup() {
static constexpr auto StartVol = ::SPU::SweepVolume().set_volume_mode().set_volume(::SPU::SweepVolume::VolumeLevelPercent(50.0));
io_class__volatile_assign(::SPU::MainVolume::Left, StartVol);
io_class__volatile_assign(::SPU::MainVolume::Right, StartVol);
for(auto& voice : ::SPU::Voice::Channel) {
clear_voice(voice);
}
}
}
void start() {
printf("Hello Planschbecken\n");
SPU::setup();
printf("Setup done!\n");
}
}