<pre>
int convert_0x88_a(int sq, char * a) {
a[0] = COL(sq) + 'a'; a[1] = ROW(sq) + '1'; a[2] = 0; return 0;
}
</pre>
<pre>
int convert_a_0x88(char * a) {
int sq = 0; sq = a[0] - 'a'; sq += (a[1] - '1') * 16; return sq;
}
</pre>
int algebraic_moves(char * a) {
smoves m;
while ((a[0] >= 'a') && (a[0] <= 'h')) {
m.from = convert_a_0x88(a); m.to = convert_a_0x88(a+2);
m.piece_from = b.pieces[m.from]; m.piece_to = b.pieces[m.from]; m.piece_cap = b.pieces[m.to];
m.flags = 0; m.castle = 0; m.ep = 0; m.ply = 0; m.score = 0;
switch (a[4]) { case 'q': m.piece_to = PIECE_QUEEN; a++; break; case 'r': m.piece_to = PIECE_ROOK; a++; break; case 'b': m.piece_to = PIECE_BISHOP; a++; break; case 'n': m.piece_to = PIECE_KNIGHT; a++; break; }
//castling if ((m.piece_from == PIECE_KING) && ((m.from == E1 && (m.to == G1 || m.to == C1)) || (m.from == E8 && (m.to == G8 || m.to == C8)))) { m.flags = MFLAG_CASTLE; }
/*ep if the moving-piece is a Pawn, the square it moves to is empty and it was a diagonal move it has to be an en-passant capture. */ if ((m.piece_from == PIECE_PAWN) && (m.piece_cap == PIECE_EMPTY) && ((abs(m.from-m.to)==15)||(abs(m.from-m.to)==17))) { m.flags = MFLAG_EPCAPTURE; }
move_make(m); a += 4;
a += 4; while (a[0]==' ') a++; }
return 0;
}
</pre>
'''[[CPW-Engine|Up one Level]]'''
