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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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100H: /* SHOW POSSIBLE DEPARTMENT NUMBERS FOR POLICE, SANITATION AND FIRE */
/* THE POLICE DEPARTMENT NUMBER MUST BE EVEN, ALL DEPARTMENT NUMBERS */
/* MUST BE IN THE RANGE 1 .. 7 AND THE NUMBERS MUST SUM TO 12 */
/* CP/M SYSTEM CALL AND I/O ROUTINES */
BDOS: PROCEDURE( FN, ARG ); DECLARE FN BYTE, ARG ADDRESS; GOTO 5; END;
PR$CHAR: PROCEDURE( C ); DECLARE C BYTE; CALL BDOS( 2, C ); END;
PR$STRING: PROCEDURE( S ); DECLARE S ADDRESS; CALL BDOS( 9, S ); END;
PR$NL: PROCEDURE; CALL PR$CHAR( 0DH ); CALL PR$CHAR( 0AH ); END;
PR$NUMBER: PROCEDURE( N ); /* PRINTS A NUMBER IN THE MINIMUN FIELD WIDTH */
DECLARE N ADDRESS;
DECLARE V ADDRESS, N$STR ( 6 )BYTE, W BYTE;
V = N;
W = LAST( N$STR );
N$STR( W ) = '$';
N$STR( W := W - 1 ) = '0' + ( V MOD 10 );
DO WHILE( ( V := V / 10 ) > 0 );
N$STR( W := W - 1 ) = '0' + ( V MOD 10 );
END;
CALL PR$STRING( .N$STR( W ) );
END PR$NUMBER;
/* TASK */
DECLARE MAX$DEPARTMENT$NUMBER LITERALLY '7';
DECLARE DEPARTMENT$SUM LITERALLY '12';
DECLARE ( POLICE, SANITATION, FIRE ) BYTE;
CALL PR$STRING( .'POLICE SANITATION FIRE$' );
CALL PR$NL;
DO POLICE = 2 TO MAX$DEPARTMENT$NUMBER BY 2;
DO SANITATION = 1 TO MAX$DEPARTMENT$NUMBER;
IF SANITATION <> POLICE THEN DO;
FIRE = ( DEPARTMENT$SUM - POLICE ) - SANITATION;
IF FIRE <= MAX$DEPARTMENT$NUMBER
AND FIRE <> SANITATION
AND FIRE <> POLICE
THEN DO;
CALL PR$STRING( .' $' ); CALL PR$NUMBER( POLICE );
CALL PR$STRING( .' $' ); CALL PR$NUMBER( SANITATION );
CALL PR$STRING( .' $' ); CALL PR$NUMBER( FIRE );
CALL PR$NL;
END;
END;
END;
END;
EOF