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Improve SPU code and support state of voice

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Jaby
2024-09-24 22:21:58 +02:00
parent 6c94bca700
commit 332476cd4e
7 changed files with 59 additions and 67 deletions
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48
include/PSX/System/IOPorts/ioport.hpp
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@@ -65,15 +65,6 @@ namespace JabyEngine {
};
}
struct ubus32_t {
uint16_t low;
uint16_t high;
static constexpr ubus32_t from(uint32_t value) {
return {.low = static_cast<uint16_t>(value & 0xFFFF), .high = static_cast<uint16_t>(value >> 16)};
}
};
template<typename T>
struct IOPort {
using Value = T;
@@ -89,25 +80,34 @@ namespace JabyEngine {
};
template<>
struct IOPort<ubus32_t> {
using Value = ubus32_t;
ubus32_t value;
struct IOPort<uint32_t>;
ubus32_t read() const {
auto*const cv_this = const_cast<const volatile IOPort<ubus32_t>*>(this);
return {.low = cv_this->value.low, .high = cv_this->value.high};
template<typename T>
struct IOPort32 {
union ValueHelper {
struct {
uint16_t low;
uint16_t high;
};
T value;
};
using Value = T;
T value;
T read() const {
const auto* cast_this = reinterpret_cast<const IOPort32<ValueHelper>*>(this);
const volatile auto* cv_this = const_cast<volatile decltype(cast_this)>(cast_this);
return ValueHelper{.low = cv_this->value.low, .high = cv_this->value.high}.value;
}
void write(ubus32_t value) {
auto*const cv_this = const_cast<volatile IOPort<ubus32_t>*>(this);
void write(T value) {
const auto new_value = ValueHelper{.value = value};
auto* cast_this = reinterpret_cast<IOPort32<ValueHelper>*>(this);
volatile auto* v_this = const_cast<volatile decltype(cast_this)>(cast_this);
cv_this->value.low = value.low;
cv_this->value.high = value.high;
}
void write(uint32_t value) {
IOPort<ubus32_t>::write(ubus32_t::from(value));
v_this->value.low = new_value.low;
v_this->value.high = new_value.high;
}
};