在EmbestARM7学习套件上实现的俄罗斯方块，芯片为S3C44B0X。 实现了加速，变化颜色，换档，预览模块，统计得分等功能-The EmbestARM7 learning packages to achieve the Russian box, chip S3C44B0X. Achieved acceleration, change colors, shift, preview module, statistical scoring functions