37 lines
702 B
C++
37 lines
702 B
C++
#pragma once
|
|
#include <common.hpp>
|
|
#include <core/mmio/MI.hpp>
|
|
#include <core/mmio/PIF.hpp>
|
|
|
|
namespace n64 {
|
|
struct SI {
|
|
SI();
|
|
void Reset();
|
|
[[nodiscard]] auto Read(u32) const -> u32;
|
|
void Write(u32, u32);
|
|
template <bool toDram>
|
|
void DMA();
|
|
void DMA();
|
|
|
|
union Status {
|
|
u32 raw{};
|
|
struct {
|
|
unsigned dmaBusy : 1;
|
|
unsigned ioBusy : 1;
|
|
unsigned reserved : 1;
|
|
unsigned dmaErr : 1;
|
|
unsigned : 8;
|
|
unsigned intr : 1;
|
|
};
|
|
};
|
|
|
|
bool toDram = false;
|
|
Status status{};
|
|
u32 dramAddr{};
|
|
u32 pifAddr{};
|
|
PIF pif;
|
|
};
|
|
|
|
#define SI_DMA_DELAY (65536 * 2)
|
|
} // namespace n64
|