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Created page with "'''Home * Engines * CPW-Engine * 0x88_math''' <pre> →row identifiers: #define ROW_1 ( A1 >> 4 ) #define ROW_2 ( A2 >> 4 ) #define ROW_3 ( A3..."
'''[[Main Page|Home]] * [[Engines]] * [[CPW-Engine]] * 0x88_math'''
<pre>
/* row identifiers */
#define ROW_1 ( A1 >> 4 )
#define ROW_2 ( A2 >> 4 )
#define ROW_3 ( A3 >> 4 )
#define ROW_4 ( A4 >> 4 )
#define ROW_5 ( A5 >> 4 )
#define ROW_6 ( A6 >> 4 )
#define ROW_7 ( A7 >> 4 )
#define ROW_8 ( A8 >> 4 )
/* column identifiers */
#define COL_A ( A1 & 7 )
#define COL_B ( B1 & 7 )
#define COL_C ( C1 & 7 )
#define COL_D ( D1 & 7 )
#define COL_E ( E1 & 7 )
#define COL_F ( F1 & 7 )
#define COL_G ( G1 & 7 )
#define COL_H ( H1 & 7 )
/* vectors */
#define NORTH 16
#define NN ( NORTH + NORTH )
#define SOUTH -16
#define SS ( SOUTH + SOUTH )
#define EAST 1
#define WEST -1
#define NE 17
#define SW -17
#define NW 15
#define SE -15
/* geberate square number from row and column */
#define SET_SQ(row,col) (row * 16 + col)
/* does a given number represent a square on the board? */
#define IS_SQ(x) ( (x) & 0x88 ) ? (0) : (1)
/* get board column that a square is part of */
#define COL(sq) ( (sq) & 7 )
/* get board row that a square is part of */
#define ROW(sq) ( (sq) >> 4 )
/* determine if two squares lie on the same column */
#define SAME_COL(sq1,sq2) ( ( COL(sq1) == COL(sq2) ) ? (1) : (0) )
/* determine if two squares lie in the same row */
#define SAME_ROW(sq1,sq2) ( ( ROW(sq1) == ROW(sq2) ) ? (1) : (0) )
</pre>
'''[[CPW-Engine|Up one Level]]'''
<pre>
/* row identifiers */
#define ROW_1 ( A1 >> 4 )
#define ROW_2 ( A2 >> 4 )
#define ROW_3 ( A3 >> 4 )
#define ROW_4 ( A4 >> 4 )
#define ROW_5 ( A5 >> 4 )
#define ROW_6 ( A6 >> 4 )
#define ROW_7 ( A7 >> 4 )
#define ROW_8 ( A8 >> 4 )
/* column identifiers */
#define COL_A ( A1 & 7 )
#define COL_B ( B1 & 7 )
#define COL_C ( C1 & 7 )
#define COL_D ( D1 & 7 )
#define COL_E ( E1 & 7 )
#define COL_F ( F1 & 7 )
#define COL_G ( G1 & 7 )
#define COL_H ( H1 & 7 )
/* vectors */
#define NORTH 16
#define NN ( NORTH + NORTH )
#define SOUTH -16
#define SS ( SOUTH + SOUTH )
#define EAST 1
#define WEST -1
#define NE 17
#define SW -17
#define NW 15
#define SE -15
/* geberate square number from row and column */
#define SET_SQ(row,col) (row * 16 + col)
/* does a given number represent a square on the board? */
#define IS_SQ(x) ( (x) & 0x88 ) ? (0) : (1)
/* get board column that a square is part of */
#define COL(sq) ( (sq) & 7 )
/* get board row that a square is part of */
#define ROW(sq) ( (sq) >> 4 )
/* determine if two squares lie on the same column */
#define SAME_COL(sq1,sq2) ( ( COL(sq1) == COL(sq2) ) ? (1) : (0) )
/* determine if two squares lie in the same row */
#define SAME_ROW(sq1,sq2) ( ( ROW(sq1) == ROW(sq2) ) ? (1) : (0) )
</pre>
'''[[CPW-Engine|Up one Level]]'''
