#include #include #define SW 40 // screen width /* accordion chord chart, mirror reflected with modular functions programmed in C by boneSpider */ void banner(char *str, int width); int checkRows(int row); int checkCols(int col); int checkColRow(int col, int row); int checkButton(int col, int row); int checkBassRows(int row); void chartHeader(); void newline(int position); void pipebar(int alignment); void space(); void plus(); void line(); int main() { // initialize variables int h = 0, i = 0, j = 0; int row, col; char *pitch = "ADGCFBEADG"; // pitch[h = 0-6, char *s_or_f = "#bx ";// h+3] // s_or_f[i = 0-3] char *o7mM = "o7mM "; // o7mM[j = 0-4] banner("Accordion Bass Chord Chart", SW); for (row=0; row<20; row++) // go through rows { chartHeader(); newline(0); pipebar(2); for (col=0; col<6; col++) // go through columns { i = checkRows(row); // 0-4? make it sharp // 5-11? make it natural // 12-18? make it flat j = checkCols(col); // shift chord quality with column if (j != col) // except for the bass note columns j = 4; // not yet the last column? if (col < 5) { if (row == 19) { // lastly print double flat row.. if (col == 0) printf("%c%c%c%c%c", pitch[h], s_or_f[1], s_or_f[1], o7mM[j], ' '); if (col >= 1) printf("%2c%c%c%c%c", pitch[h], s_or_f[1], s_or_f[1], o7mM[j], ' '); // ..or print current lined up chord } else { // show button indentations with ( ) if (checkButton(col, row) == 6) printf("%1c%c%c%1s", '(', pitch[h], s_or_f[i], ") "); else if (checkColRow(col, row) == 4) printf(" %c%4c", pitch[h], ' '); else printf("%c%c%c%3c", pitch[h], s_or_f[i], o7mM[j], ' '); } } else // exception handling for last column { // print double sharp exceptions if (checkColRow(col, row) == 5) printf("%c%c", pitch[h+3], s_or_f[2]); // print a sharp for upper bass notes if (checkBassRows(row) == 2) printf("%c%c", pitch[h+3], s_or_f[0]); // print the pitch for middle bass notes if (checkBassRows(row) == 9) printf(" %c", pitch[h+3]); // print a flat for lower bass notes if (checkBassRows(row) == 16) printf("%c%c", pitch[h+3], s_or_f[1]); if (row == 19) printf(" %c%c", pitch[h+3], s_or_f[1]); } // end of exception handling else block } // end of column for loop pipebar(3); newline(0); h++; // rotate through pitches to print chart if (h == 7) h = 0; } // end of row for loop chartHeader(); return 0; } /*****************************************/ void banner(char *str, int width) { int length = strlen(str); int i, margin = width/2-length/2; newline(2); for(i=0; i= 0) && (row <= 4)) result = 0; // flat if ((row >= 5) && (row <= 11)) result = 3; // natural if ((row >= 12) && (row <= 18)) result = 1; // sharp return result; } /*****************************************/ int checkCols(int col) { int result; if ((col >= 0) && (col <= 3)) result = col; // shift chord quality return result; } /*****************************************/ int checkColRow(int col, int row) { int result; if ( (col == 5) && ((row == 0) || (row == 1)) ) result = 5; if ( (col == 4) && ((row >= 5) && (row <= 11)) ) result = 4; return result; } /*****************************************/ int checkButton(int col, int row) { int result; if ((col == 4) && ( ((row == 6) || (row == 10)) || (row == 14)) ) result = 6; return result; } /*****************************************/ int checkBassRows(int row) { int result; if ((row >= 2) && (row <= 8)) result = 2; if ((row >= 9) && (row <= 15)) result = 9; if ((row >= 16) && (row <= 18)) result = 16; return result; } /*****************************************/ void chartHeader() { int loop, pool; space(); plus(); for (pool=0;pool<6;pool++) { for (loop=0;loop<5;loop++) line(); plus(); } } /*****************************************/ void newline(int position) { switch (position) { case 0: printf("\n"); break; case 1: printf("+\n"); break; case 2: printf("\n+"); break; default: break; } } /*****************************************/ void pipebar(int alignment) { switch (alignment) { case 0: putchar('|'); break; case 1: printf("| "); break; case 2: printf(" | "); break; case 3: printf(" |"); break; default: break; } } /*****************************************/ void space() { putchar(' '); } /*****************************************/ void plus() { putchar('+'); } /*****************************************/ void line() { putchar('='); } /*****************************************/

chordChart2.c