funtc209b.dat

这是一个包含多个语言的指令集

#include <dos.h>
#define INTR 0x1C
#define ATTR 0x7900
extern unsigned _heaplen = 1024;
extern unsigned _stklen  = 512;
void interrupt ( *oldhandler)(void);
void interrupt handler(void)
{
    unsigned int (far *screen)[80];
    static int count;
    screen = MK_FP(0xB800,0);
    count++;
    count %= 10;
    screen[0][79] = count + '0' + ATTR;
    oldhandler();
}
int main(void)
{
    oldhandler = getvect(INTR);
    setvect(INTR, handler);
    keep(0, (_SS + (_SP/16) - _psp));
    return 0;
}