jabyengine/include/PSX/System/IOPorts/interrupt_io.hpp

41 lines
1.4 KiB
C++

#pragma once
#include "IOValues/interrupt_io_values.hpp"
namespace JabyEngine {
using Status_IO = IOPort<Interrupt_IO_Values::Status>;
using Mask_IO = IOPort<Interrupt_IO_Values::Mask>;
struct Interrupt {
static constexpr auto VBlank = Bit(0);
static constexpr auto GPU = Bit(1);
static constexpr auto CDROM = Bit(2);
static constexpr auto DMA = Bit(3);
static constexpr auto Timer0 = Bit(4);
static constexpr auto Timer1 = Bit(5);
static constexpr auto Timer2 = Bit(6);
static constexpr auto Periphery = Bit(7);
static constexpr auto SIO = Bit(8);
static constexpr auto SPU = Bit(9);
static constexpr auto Controller = Bit(10);
static constexpr auto LightPen = Controller;
static inline auto& Status = __declare_io_port(Status_IO, 0x1F801070);
static inline auto& Mask = __declare_io_port(Mask_IO, 0x1F801074);
static bool is_irq(Bit irq) {
return Status.read().is_set(irq);
}
static void ack_irq(Bit irq) {
Status.write({bit::clear<uint32_t>(0b11111111111, irq)});
}
static void disable_irq(Bit irq) {
Mask.write(Mask.read().clear(irq));
}
static void enable_irq(Bit irq) {
Mask.write(Mask.read().set(irq));
}
};
}