点阵版俄罗斯方块

我们使用上次制作的点阵屏，开发一个俄罗斯方块的游戏。 

单片机的P1接屏的接口，P3.2-->P3.5接矩阵独立键盘 

一、演示视频地址，http://v.youku.com/v_show/id_XNjkxOTU3NTM2.html

二、源代码

1. Tetris.h

#ifndef __TETRIS_H__#define __TETRIS_H__void delay_ms( unsigned char n);void Tetris_Init();void Tetris_Refresh();void Tetris_Move( signed char dy);void Tetris_Rotate();#endif

2. Tetris.c

#include <stdlib.h>#include "Tetris.h"#include "RGBDZh.h"static unsigned int code blocks[7][5] = {{ 0x0001, 0x6600, 0x0000, 0x0000, 0x0000},{ 0x0002, 0x2222, 0x0f00, 0x0000, 0x0000},{ 0x0002, 0xc600, 0x2640, 0x0000, 0x0000},{ 0x0002, 0x6c00, 0x4620, 0x0000, 0x0000},{ 0x0004, 0x4460, 0x02e0, 0x6220, 0x0740},{ 0x0004, 0x2260, 0x0e20, 0x6440, 0x4700},{ 0x0004, 0x2620, 0x0720, 0x2320, 0x2700}};static unsigned char code colors[6] = { RED, GREEN, BLUE, YELLOW, PURPLE, LBLUE};static unsigned char xdata block_id = 0;static unsigned char xdata rotate_id = 0;static unsigned char xdata color_id = 0;static   signed char xdata pos_x = 0;static   signed char xdata pos_y = 0;       unsigned char xdata over = 0;static unsigned char xdata mutex = 0;// 毫秒级延时void delay_ms( unsigned char n){unsigned char i;while( n --)for( i = 0; i < 120; i ++);}void Tetris_ShowBlock( signed char x, signed char y, unsigned char r){unsigned int b = blocks[block_id][r];signed char i, j;for( i = x; i < x + 4; i ++){if( i < 0 || i >= PIXEL_COL_COUNT)continue;for( j = y; j < y + 4; j ++){if( j < 0 || j >= PIXEL_ROW_COUNT)continue;if(((( b >> ( 4 * ( 3 - i + x))) & 0xf) >> ( 3 - j + y)) & 0x1)Lcd_SetPixel( i, j, colors[color_id]);}}}void Tetris_Init(){block_id = rand() % 7;rotate_id = rand() % blocks[block_id][0] + 1;color_id = rand() % 6;pos_x = PIXEL_COL_COUNT - 4;pos_y = ( PIXEL_ROW_COUNT - 4) / 2;over = 0;mutex = 0;Lcd_Clear();Tetris_ShowBlock( pos_x, pos_y, rotate_id);}void Tetris_ClearBlock( signed char x, signed char y, unsigned char r){unsigned int b = blocks[block_id][r];signed char i, j;for( i = x; i < x + 4; i ++){if( i < 0 || i >= PIXEL_COL_COUNT)continue;for( j = y; j < y + 4; j ++){if( j < 0 || j >= PIXEL_ROW_COUNT)continue;if(((( b >> ( 4 * ( 3 - i + x))) & 0xf) >> ( 3 - j + y)) & 0x1)Lcd_SetPixel( i, j, NONE);}}}unsigned char Tetris_Check( signed char x, signed char y, unsigned char r){unsigned int b = blocks[block_id][r];signed char i, j;for( i = x; i < x + 4; i ++)for( j = y; j < y + 4; j ++)if(((( b >> ( 4 * ( 3 - i + x))) & 0xf) >> ( 3 - j + y)) & 0x1)if( i < 0 || i >= PIXEL_COL_COUNT || j < 0 || j >= PIXEL_ROW_COUNT)return 0;else if( Lcd_GetPixel( i, j) != NONE)return 0;return 1;}void Tetris_DeleteRow(){signed char x, y, i;for( x = PIXEL_COL_COUNT - 1; x >= 0; x --){for( y = 0; y < PIXEL_ROW_COUNT; y ++)if( Lcd_GetPixel( x, y) == NONE)break;if( y < PIXEL_ROW_COUNT)continue;for( y = 0; y < PIXEL_ROW_COUNT; y ++){Lcd_SetPixel( x, y, NONE);delay_ms( 100);}for( i = x; i < PIXEL_COL_COUNT - 1; i ++)for( y = 0; y < PIXEL_ROW_COUNT; y ++)Lcd_SetPixel( i, y, Lcd_GetPixel( i + 1, y));for( y = 0; y < PIXEL_ROW_COUNT; y ++)Lcd_SetPixel( PIXEL_COL_COUNT - 1, y, NONE);}}void Tetris_Refresh(){unsigned char move_flag = 0;if( mutex == 1)return;mutex = 1;// 清除方块Tetris_ClearBlock( pos_x, pos_y, rotate_id);// 向下移动if( Tetris_Check( pos_x - 1, pos_y, rotate_id))pos_x --;elsemove_flag = 1;// 显示方块Tetris_ShowBlock( pos_x, pos_y, rotate_id);// 未落到底if( !move_flag){mutex = 0;return;}// 消除完整行Tetris_DeleteRow();// 生成新方块block_id = rand() % 7;rotate_id = rand() % blocks[block_id][0] + 1;color_id = rand() % 6;pos_x = PIXEL_COL_COUNT - 4;pos_y = ( PIXEL_ROW_COUNT - 4) / 2;if( !Tetris_Check( pos_x, pos_y, rotate_id)){over = 1;mutex = 0;return;}Tetris_ShowBlock( pos_x, pos_y, rotate_id);mutex = 0;}void Tetris_Move( signed char dy){if( mutex == 1)return;mutex = 1;// 清除方块Tetris_ClearBlock( pos_x, pos_y, rotate_id);// 左右移动if( Tetris_Check( pos_x, pos_y + dy, rotate_id))pos_y += dy;// 显示方块Tetris_ShowBlock( pos_x, pos_y, rotate_id);mutex = 0;}void Tetris_Rotate(){if( mutex == 1)return;mutex = 1;// 清除方块Tetris_ClearBlock( pos_x, pos_y, rotate_id);// 旋转if( Tetris_Check( pos_x, pos_y, rotate_id % blocks[block_id][0] + 1))rotate_id = rotate_id % blocks[block_id][0] + 1;// 显示方块Tetris_ShowBlock( pos_x, pos_y, rotate_id);mutex = 0;}

3. main.c

#include "RGBDZh.h"#include "Tetris.h"// 按键定义sbit key_left = P3^2;// 左sbit key_right = P3^3;// 右sbit key_rotate = P3^5;// 变extern unsigned char xdata over;int main(){// T0设置, 定时1msTMOD &= 0xfc;TMOD |= 0x01;TH0 = 0xfc;TL0 = 0x66;TR0 = 1;PT0 = 1;// 提高优先级ET0 = 1;// T1设置, 定时50msTMOD &= 0xcf;TMOD |= 0x10;TH1 = 0x4c;TL1 = 0x00;TR1 = 1;ET1 = 1;EA = 1;Lcd_Init();Tetris_Init();while(1){if( over == 1){Lcd_Init();Tetris_Init();continue;}if( key_left == 0){// 左delay_ms( 10);if( key_left == 0){Tetris_Move( -1);while( !key_left);}}if( key_right == 0){// 右delay_ms( 10);if( key_right == 0){Tetris_Move( 1);while( !key_right);}}if( key_rotate == 0){// 变delay_ms( 10);if( key_rotate == 0){Tetris_Rotate();while( !key_rotate);}}}return 0;}void disp() interrupt 1{TH0 = 0xfc;TL0 = 0x66;Lcd_Refresh();}void down() interrupt 3{static unsigned char n500ms = 0;TH1 = 0x4c;TL1 = 0x00;n500ms ++;if( n500ms >= 10){// 500msTetris_Refresh();n500ms = 0;}}

4. RGBDZh.h和RGBDZh.c见之前的文章

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