O16-DPT9 rev B

* 0520-001-H002 (O16-DPT9) DRAWING NO. 41285751-001-02 PAGE 42

1915 03674 101000 NOP 1916 03675 147311 BCI 2,NIND NO INTERRUPT WITHIN 4(4.2) MS 03676 147304 1917 * 1918 03677 0 000000 IEPD DAC ** INTERRUPT ENTRY POINT (DIRECTIONAL) 1919 03700 34 0427 DP61 SKS PLNI SKIP IF PLOTTER NOT INTERRUPTING 1920 03701 0 01 03706 JMP DIN5 PLOTTER INTERRUPTING, OK 1921 03702 0 10 04176 JST ERRR ERROR ROUTINE 1922 03703 101000 NOP 1923 03704 144716 BCI 2,INCD INTERRUPT NOT CAUSED BY PLOTTER (DIRECTIONAL) 03705 141704 1924 03706 0 12 03641 DIN5 IRS INTD UPDATE RETURN ADDRESS 1925 03707 34 0127 DP62 SKS PLNB SKIP IF PLOTTER NOT BUSY 1926 03710 0 10 04176 JST ERRR ERROR ROUTINE 1927 03711 -0 01 03641 JMP* INTD EXIT FROM SUBROUTINE 1928 03712 141301 BCI 2,BAID P REMAINING BUSY AFTER INT (DIRECTIONAL) 03713 144704 1929 * 1930 * WAIT FOR INTERRUPT (Z-AXIS) 1931 03714 0 000000 INTZ DAC ** WAIT FOR INTERRUPT (Z-AXIS) 1932 03715 0 02 04337 LDA AIEZ ADDRESS OF INTERRUPT ENTRY PUINT 1933 03716 -0 04 04357 STA* INTL INTERRUPT LOCATION 1934 03717 0 02 01560 LDA SMKI SMK '0X20 INSTRUCTION 1935 03720 0 04 03722 STA *+2 1936 03721 0 02 04365 LDA MSKB MASK BIT FOR INTERRUPT 1937 03722 0 00 00000 *** ** PERFORM SMK '0X20 1938 03723 000401 ENB ENABLE INTERRUPT 1939 03724 101020 SS1 TEST FOR SENSE SWITCH 1 SET 1940 03725 0 01 03730 JMP D511 NOT SET, DDP-516 BEING USED 1941 * SET, H316 BEING USED 1942 03726 0 02 04422 LDA =-5208 5208 = (25*1000)/(3*1.6) 1943 03727 100000 SKP 1944 * 1945 03730 0 02 04421 D511 LDA =-9690 9690 = (25*1000)/(3*0.86) 1946 03731 141206 AOA 1947 03732 100040 SZE TEST FOR COMPLETION OF 25 MS DELAY LOOP 1948 03733 0 01 03731 JMP *-2 DELAY LOOP OF 25 MILLI-SECONDS 1949 03734 001001 INH INHIBIT INTERRUPT 1950 03735 0 10 04176 JST ERRR ERROR ROUTINE 1951 03736 101000 NOP 1952 03737 147311 BCI 2,NINZ NO INTERRUPT WITHIN 25 MILLI-SECONDS 03740 147332 1953 * 1954 03741 0 000000 IEPZ DAC ** INTERRUPT ENTRY POINT (Z-AXIS) 1955 03742 34 0427 DP63 SKS PLNI SKIP IF PLOTTER NOT INTERRUPTING 1956 03743 0 01 03750 JMP ZIN0 PLOTTER INTERRUPTING, OK 1957 03744 0 10 04176 JST ERRR ERROR ROUTINE 1958 03745 101000 NOP 1959 03746 144716 BCI 2,INCZ INTERRUPT NOT CAUSED BY PLOTTER (Z-AXIS) 03747 141732