805be66a09f2001a1a47b6584e8f9250

这是一个基于NIOSII的俄罗斯方块游戏设计

#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#include "alt_types.h"
#include "altera_avalon_dma_regs.h"
#include "altera_avalon_timer_regs.h"
#include "altera_avalon_pio_regs.h"
#include "altera_avalon_dma.h"
#include "sys/alt_irq.h"
#include "system.h"
#include "string.h"
#include "sys/alt_dma.h"
main()
{
  IOWR_8DIRECT(SDRAM_BASE, 0, 1);
  IOWR_32DIRECT(SDRAM_BASE, 4, 0xF);
   IOWR_8DIRECT(SDRAM_BASE, 2, 3);
  IOWR_8DIRECT(SDRAM_BASE, 3, 4);
   IOWR_8DIRECT(SDRAM_BASE, 4, 7);
  IOWR_8DIRECT(SDRAM_BASE, 5, 9);
   IOWR_8DIRECT(SDRAM_BASE, 6,0x0AA);
  IOWR_8DIRECT(SDRAM_BASE, 7, 0xCB);
  IOWR_8DIRECT(SDRAM_BASE, 8, 11);
  IOWR_32DIRECT(SDRAM_BASE, 9, 0x0FF);
   IOWR_8DIRECT(SDRAM_BASE, 10, 45);
  IOWR_8DIRECT(SDRAM_BASE, 11, 23);
   IOWR_8DIRECT(SDRAM_BASE, 12, 44);
  IOWR_8DIRECT(SDRAM_BASE, 14, 33);
   IOWR_8DIRECT(SDRAM_BASE, 15,0x45);
  IOWR_8DIRECT(SDRAM_BASE, 16, 0x34);
  
}