easyirqsample.cpp

windows9X下进行中断编写的Dll及实例源码

#include <windows.h>
#include <conio.h>
#include "easyirq.h"

// the function that is called every IRQ
void __stdcall irqHandler(DWORD irqNum) {
    MessageBox(0, "IRQ here !", "", 0);
}

int PASCAL WinMain (HANDLE hInstance, HANDLE hPrevInstance, LPSTR lpszCmdParam, int nCmdShow) {

    
	// turn on IRQ 7 handling
    if ( easyIrq(7, TRUE, &irqHandler) ) {
        MessageBox(0, "some error", "error", 0);
        return 1;
    }


	// enable printer port interrupts (transition of the Ack signal on pin 10 of the 25-pin connector)
	_outp(0x378 + 2, 16);

    
    // just wait irqs
	MessageBox(0, "click OK to finish", "", 0);


	// disable printer port interrupts
	_outp(0x378 + 2, 0);


    // turn off IRQ 7 handling (mask irq)
    easyIrq(7, FALSE, &irqHandler);


    return 0;
}