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6d4781c39e
DMAC and INTC are independent and can both interrupt the EE. Code should be more in line with actual hardware. INTC line 1 is for SBUS and some games (Ape Escape: Million Monkeys) were playing with that, disabling DMAC interrupts.
49 lines
834 B
C++
49 lines
834 B
C++
#pragma once
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#include "Types.h"
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#include "DMAC.h"
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#include "zip/ZipArchiveWriter.h"
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#include "zip/ZipArchiveReader.h"
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class CINTC
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{
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public:
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enum REGISTER
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{
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INTC_STAT = 0x1000F000,
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INTC_MASK = 0x1000F010,
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};
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enum LINES
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{
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INTC_LINE_GS = 0,
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INTC_LINE_SBUS = 1,
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INTC_LINE_VBLANK_START = 2,
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INTC_LINE_VBLANK_END = 3,
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INTC_LINE_VIF0 = 4,
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INTC_LINE_VIF1 = 5,
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INTC_LINE_IPU = 8,
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INTC_LINE_TIMER0 = 9,
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INTC_LINE_TIMER1 = 10,
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INTC_LINE_TIMER2 = 11,
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INTC_LINE_TIMER3 = 12,
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};
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CINTC();
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virtual ~CINTC() = default;
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void Reset();
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bool IsInterruptPending() const;
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uint32 GetRegister(uint32);
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void SetRegister(uint32, uint32);
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void AssertLine(uint32);
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void LoadState(Framework::CZipArchiveReader&);
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void SaveState(Framework::CZipArchiveWriter&);
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private:
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uint32 m_INTC_STAT;
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uint32 m_INTC_MASK;
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};
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