20b0a94fe0f1001a1a47b6584e8f9250

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, 5, 2);
}