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6125c2b12d
Switched Mockingboard/6522 Timer interrupts & Mousecard's VBlank interrupt to use synchronous events. This is a linked-list of ordered timer-based event, where only the head of the list needs updating after every opcode.
51 lines
917 B
C++
51 lines
917 B
C++
#pragma once
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class SyncEvent;
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class SynchronousEventManager
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{
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public:
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SynchronousEventManager() : m_syncEventHead(NULL)
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{}
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~SynchronousEventManager(){}
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SyncEvent* GetHead(void) { return m_syncEventHead; }
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void SetHead(SyncEvent* head) { m_syncEventHead = head; }
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void Insert(SyncEvent* pNewEvent);
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bool Remove(int id);
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void Update(int cycles, ULONG uExecutedCycles);
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void Reset(void) { m_syncEventHead = NULL; }
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private:
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SyncEvent* m_syncEventHead;
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};
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//
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typedef int (*syncEventCB)(int id, int cycles, ULONG uExecutedCycles);
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class SyncEvent
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{
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public:
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SyncEvent(int id, int initCycles, syncEventCB callback)
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: m_id(id),
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m_cyclesRemaining(initCycles),
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m_active(false),
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m_callback(callback),
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m_next(NULL)
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{}
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~SyncEvent(){}
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void SetCycles(int cycles)
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{
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m_cyclesRemaining = cycles;
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}
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int m_id;
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int m_cyclesRemaining;
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bool m_active;
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syncEventCB m_callback;
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SyncEvent* m_next;
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};
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