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8x8左回り90度、回転(電光表示板用)

Last updated at Posted at 2025-05-09

いろいろ、注意

  • UNOでの予定は、未定
  • bit8_putは、マクロ化する為に破壊読み出し(入力の内容が破壊される
  • font270は、入力と出力の領域は、別領域にする事

結果

o_coq895.jpg

プログラム

オンラインコンパイラ paiza



#include <iostream>
using namespace std;

#define b_put(aa) for(int ii=8;ii!=0;ii--){if(aa & 0x80){printf("#");}else{printf(" ");}aa=aa<<1;}
#define bit8_put(bb) for(int jj=0;jj<8;jj++){b_put(bb[jj]);printf("\n");}

//void font_data_out(unsigned char *font){
//    for(int i=0;i<8;i++){
//        printf("[%02x]\n",font[i]);
//    }//for 
//    printf("\n");
//}//font_data_out


void font270(unsigned char *fontO, unsigned char *fontI){

    for(int i=0;i<8;i++){
    	fontO[i] = 0;
    }//for i
    
    for(int i=0;i<8;i++){

        //処理
        //        12345678
        int m = 0b00000001;
        int a = fontI[i];

        fontO[7] = fontO[7] << 1;
        fontO[6] = fontO[6] << 1;
        fontO[5] = fontO[5] << 1;
        fontO[4] = fontO[4] << 1;

        fontO[3] = fontO[3] << 1;
        fontO[2] = fontO[2] << 1;
        fontO[1] = fontO[1] << 1;
        fontO[0] = fontO[0] << 1;

        fontO[0] = fontO[0]|(a & m); a = a >> 1;  
        fontO[1] = fontO[1]|(a & m); a = a >> 1;
        fontO[2] = fontO[2]|(a & m); a = a >> 1;
        fontO[3] = fontO[3]|(a & m); a = a >> 1;

        fontO[4] = fontO[4]|(a & m); a = a >> 1;
        fontO[5] = fontO[5]|(a & m); a = a >> 1;
        fontO[6] = fontO[6]|(a & m); a = a >> 1;
        fontO[7] = fontO[7]|(a & m);



    }//for i

}//font270


int main(void){
    // Your code here!

    unsigned char fontI[] = {
        0b00100000,
        0b01111100,
        0b00100000,
        0b01111100,
        0b10101010,
        0b10110010,
        0b01100100,
        0b00000000
    };     
    
    
    //bit8_put(fontI);printf("\n");
    
    unsigned char font[8];
    
    font270(font,fontI);
    
    bit8_put(font);
    
}




        
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