O16-DPT9 rev B

* 0520-001-H002 (O16-DPT9) DRAWING NO. 41285751-001-02 PAGE 4

0151 * NO PROBABLE ANSWER 0152 * 0153 * IF THE ANSWER TO Q6 IS LETTER I, INITIALISATION IS REPEATED. 0154 * IF THE ANSWER IS NUMBER 1, 2, 3 OR 4, THE APPROPRIATE TEST 0155 * ONLY IS PERFORMED. IF THE ANSWER IS LETTER A, ALL FOUR 0156 * TESTS ARE PERFORMED SEQUENTIALLY. BUT IF THE ANSWER IS 0157 * LETTER E, AN END MESSAGE IS TYPED OUT AND THE PROGRAM COMES 0158 * TO A HALT. 0159 * 0160 * 0161 * ERRORS 0162 * 0163 * DETECTION OF AN ERROR IS INDICATED BY A MESSAGE ON THE ASR. THE 0164 * TABLE BELOW EXPLAINS THE ERROR MESSAGES THAT MAY BE PRINTED OUT. 0165 * 0166 * LMTL - LIMIT LATE - NOT OCCURED BEFORE FIVE PERCENT ABOVE 0167 * SPECIFIED VALUE 0168 * LMTE - LIMIT EARLY - OCCURED LESS THAN FIVE PERCENT BELOW 0169 * SPECIFIED VALUE 0170 * BSMC - PLOTTER BUSY AFTER MASTER CLEAR 0171 * ITMC - PLOTTER INTERRUPTING AFTER MASTER CLEAR 0172 * ITMP - PLOTTER INTERRUPTING WHEN MASK RESET 0173 * NIMS - PLOTTER NOT INTERRUPTING WHEN MASK SET 0174 * NBXX - PLOTTER NOT BUSY IMMEDIATELY AFTER MOVING XX 0175 * BSXX - PLOTTER REMAINING BUSY 4(4.2 OPTION 2112)MILLI-SECONDS 0176 * AFTER MOVING XX 0177 * WHERE XX MAY BE 0178 * NT-NORTH - PAPER UP 0179 * ST-SOUTH - PAPER DOWN 0180 * ET-EAST - PEN RIGHT 0181 * WT-WEST - PEN LEFT 0182 * NE-NORTHEAST - PAPER UP, PEN RIGHT 0183 * NW-NORTHWEST - PAPER UP, PEN LEFT 0184 * SE-SOUTHEAST - PAPER DOWN, PEN RIGHT 0185 * SW-SOUTHWEST - PAPER DOWN, PEN LEFT 0186 * UP - PEN UP 0187 * DN - PEN DOWN 0188 * NIND - NO INTERRUPT WITHIN 4(4.2 OPTION 2112)MILLI-SECONDS 0189 * (DIRECTIONAL) 0190 * IVCD - INTERRUPT NOT CAUSED BY PLOTTER (DIRECTIONAL) 0191 * BAID - PLOTTER REMAINING BUSY AFTER INTERRUPT (DIRECTIONAL) 0192 * NINZ - NO INTERRUPT WITHIN 25 MILLI-SECONDS (Z-AXIS) 0193 * IVCZ - INTERRUPT NOT CAUSED BY PLOTTER (Z-AXIS) 0194 * BAIZ - PLOTTER REMAINING BUSY AFTER INTERRUPT (Z-AXIS) 0195 * WHERE Z-AXIS IS VERTICAL LINE OF TRAVEL OF THE PEN 0196 * 0197 * NB ALL TIMINGS AND DELAYS ARE CALCULATED USING A MACHINE 0198 * CYCLE TIME OF 0.86 MICRO-SECONDS FOR DDP-516 0199 * AND 1.6 MICRO-SECONDS FOR H316 0200 *