; last edited March 19, 1981 4:41 PM ; SYSTEM LCC ; TITLE '2600 CONTROL PROGRAM 29JUN79' ; B3 ROM SOURCE FILE. ; INCLUDES TIMING CHANGES FOR THE MOHAWK POWER SUPPLY. ; REGISTER ASSIGNMENTS ; ;L0 MASTER COUNTER LSB L8 MOTION SENSOR CTR ;L1 MASTER COUNTER MSB L9 FLAGS ;L2 E COUNTER L10 X CTR ;L3 LF COUNTER L11 TEMPORARY REG (STATE 6) ;L4 PROGRAM COUNTER L12 FUSER CNTR ;L5 WATCHDOG TIMER L13 INPUT BYTE ;L6 STATE COUNTER L14 INPUT BYTE ;L7 COUNTER INSTRUCTIONS & FLAGS L15 OUTPUT BYTE ; ; ;L7 COUNTER INSTRUCTIONS & FLAGS ; COUNTER INSTRUCTIONS: 1=INCREMENT ; 0=DISABLE ; BIT ; 0 M COUNTER INCREMENT FLAG ; 1 E COUNTER INCREMENT FLAG ; 2 COIN FLAG ; 3 START PRINT FLAG ; 4 LF FLAG ; 5 MOTION SENSOR ENABLE FLAG ; 6 MOTION SENSOR DELAY (D) FLAG ; 7 PWRUP FLAG ; ; ;L9 FLAGS(FLG2) ; BIT ; 0 X CNTR ENABLE FLAG ; 1 F CNTR ENABLE FLAG ; 2 DIAGNOSTIC FLAG ; 3 1 SHOT FLAG ; 4 ; 5 ; 6 ; 7 ; ; INPUT ADDRESSES ; IN1(L13) IN2(L14) ; ADDR 0 ADDR 1 ; ;D0 SELECTOR SW U1 D0 NPRINTSW 0 WHEN ACTUATED ;D1 SELECTOR SW U2 D1 HOME SW 1 IF HOME; 0 IF NOT HOME ;D2 SELECTOR SW U4 D2 '0' CROSSING 0 WHEN CROSSING ;D3 SELECTOR SW U8 D3 PAPER MOTION ;D4 SELECTOR SW T1 D4 NZAP (ACTIVE LOW) ;D5 SELECTOR SW T2 D5 50-60HZ SELECT 1=60HZ ;D6 SPARE D6 SPARE ;D7 SPARE D7 SPARE ; ; ; SELECTOR SWITCH ENCODES BCD ENCODES 1'S ; ; OUTPUT ADDRESSES ; OUTS(L15) ; ADDR 0 ;D0 CHARGEOFF CHARGE IS ON WHEN LOGICAL 0 ;D1 SCANSOL ;D2 BILLING ;D3 JAMLED ;D4 FANS ;D5 EXPOSE ;D6 DRIVES ;D7 FUSER ; ; COUNTER/TIMER FUNCTIONS ; ; M CNTR L0 L1 ; MASTER COUNTER CONTROLS GENERAL MACHINE TIMING. ; ALSO USED TO ENTER DIAGNOSTIC MODE. ; ; E CNTR L2 ; STARTED AT THE ELECTRICAL END OF SCAN CONTROLS ; MOTION SENSOR ENABLE/DISABLE AND BILLING. TERMINAL ; COUNT OF 255 CAUSES E CNTR TO BE DISABLED AND ; ENABLES THE F CNTR. CHARGE TURNOFF IS ALSO ; CONTROLLED BY THE E CNTR. ; ; F CNTR L12 ; FUSER TIME OUT COUNTER STARTS AT E CNTR=255 BUT HELD ; CLEAR IF THE E CNTR IS ENABLED. ; ; P CNTR L4 ; PROGRAM COUNTER INCREMENTED FOR EVERY COPY CYCLE ; COUNTS COPIES MADE. P CNTR IS INITIALIZED=1. ; ; WATCHDOG TIMER L5 ; BIT 0 IS THE WDT FLAG WHICH IS SET UPON RECIEPT OF AN ; INTERUPT AND ALLOWS ENTRY INTO THE LF ROUTINE WHERE IT IS ; RESET. COUNTER IS INCREMENTED(BY 2) EVERY PASS THROUGH ; THE PROGRAM AND IF A CARRY OCCURS INDICATING A LOSS OF ; INTERUPT SIGNAL PROGRAM JUMPS TO THE JAM ROUTINE. ; ; STATE CNTR L6 ; THE STATE COUNTER KEEPS TRACK OF MACHINE STATES AND ; ALLOWS ENTRY INTO A STATE WHEN APPROPRIATE. ; ; MS CNTR L8 ; MOTION SENSOR COUNTER INCREMENTED IF ENABLED ; CLEARED ON NEGATIVE EDGES OF MOTION SENSOR INPUT ; PROGRAM BRANCHES TO THE JAM ROUTINE IF VALUE OF ; 10 IS REACHED. ; ; X CNTR L10 ; X COUNTER IS USED IN STATE 1 TO ACHIEVE A 5.25 SECOND ; TIME CHECK FOR OFF HOME CONDITION DURING STARTUP. ; X COUNTER IS ALSO USED IN STATE 5 TO CONTROL FLASH ; RATE OF THE JAMLED WHILE IN THE ZAP MODE. ; ; ; ; TIMING CHANGES FOR B3 NECISITATED BY ; INCLUSION OF THE MOHAWK HIGH VOLTAGE POWER ; SUPPLY. ; ; 1. KEEP THE EXPOSURE LAMP ON AS LONG ; THE DRIVES ARE ON. ; ; 2. PREVENT THE COROTRONS FROM GOING OFF ; IF THE PRINT SWITCH IS MADE PRIOR TO ; THE NORMAL COROTRON TURN-OFF TIME ; DURING CYCLE OUT. ; ; 3. IF THE PRINT SW IS MADE AFTER COROTRON ; TURN-OFF AND BEFORE 7.5 SEC. HAVE PASSED ; SINCE THE END OF SCAN TURN ON THE ; COROTRONS AT 7.5 SEC. AND START A SCAN ; AT 8.0 SEC. ; ; 4. IF THE PRINT SW IS MADE BETWEEN 7.5SEC.AND ; CYCLE OUT TURN ON COROTRONS AT 10.1 SEC. ; AND START A SCAN AT 10.6 SEC. ; ; J. R. ; 18JUN79 ; ; ; ALSO REQUIRED; ; SENSE JAM RECOVERY( POWER ON RESET) AND TURN CHARGE ; ON WITH DRIVES FOR COPY FOLLOWING A JAM TO AVOID THE ; BACKGROUND STREAK. THIS WILL ALSO OCCUR ANY TIME THAT ; POWER IS BROKEN AND RESTORED AND WILL RESULT IN SOME ; ADDITIONAL TONER CONSUMPTION BUT IS ACCEPTABLE ; TO THE PROGRAM. ; JC ; 27JUN79 ; STATE DESCRIPTIONS: ; ; ; STATE1--CYCLE UP ; ; SET FANS EXPOSURE AND DRIVES AT M1. ; ; OFF HOME JAM CHECK AT ST12 ALLOWS 5.25 SECONDS FOR ; SCAN CARRIAGE TO RETURN HOME ELSE JAM. ; ; CHARGE SWITCHED ON AT 1.43 SECONDS(M86) AT ST121 ; ; SELECTOR SWITCH 00 (STOP PRINT) TESTED AT 1.7SECONDS ; (M102) AND PROCEED TO STATE2 IF NOT 00 ; ; ; ; STATE2--COPY CYCLE ; ; SET SCAN SOLENOID AT M1 ; ; RESET SCAN SOLENOID AT "NOT HOME SWITCH" OR "HOME ; SWITCH AND M60" ; ; ON HOME JAM CHECK AT ST22 ALLOWS 2 SECONDS (M120) FOR ; SCAN CARRIAGE TO LEAVE HOME ELSE JAM ; ; AT M280 (END OF SCAN) SET FUSER AND ENABLE EC TEST ; FOR PC GREATER OR EQUAL TO SELECTOR SWITCH AND SET ; COIN FLAG IF TRUE ; ; AT M316 TEST COIN FLAG AND ADVANCE TO STATE3 IF TRUE ; ELSE TEST HOME SWITCH ; ; IF HOME SWITCH IS TRUE RESET MC AND REPEAT STATE2 ; ; IF "NOT HOME SWITCH AND M376" JAM ; ; AT ST24D IF IN DIAGNOSTIC MODE WHEN SCAN CARRIAGE ; RETURNS HOME IF EC IS 21 OR GREATER SET THE JAMLED ; TO INDICATE SLOW SCAN RETURN ; ; ;page ; STATE3--CYCLE DOWN ; ; RESET EXPOSURE AT M140 ; ; RESET FANS AND DRIVES AT M515 ; ; ADVANCE TO STATE4 AT M575 ; ; TEST PRINT FLAG WHILE IN STATE3 AND JUMP TO INITIAL1 ; TO INITIATE ANOTHER COPY CYCLE IF TRUE ; ; ; ; STATE4--STANDBY ; ; RESET MC AND CHARGEOFF ; ; TEST ZAP THERMOSTAT INPUT ADVANCE TO STATE5 IF 0 ; ; TEST DIAGNOSTIC FLAG AND ADVANCE TO STATE6 IF TRUE ; (WILL OCCUR ONLY IN DIAGNOSTIC CODE 15 FLYBACK TIME ; TEST) ; ; TEST PRINT FLAG ADVANCE TO STATE1 IF TRUE ; ; ; ; ; STATE5--FUSER AND EXPOSURE LAMP PREHEAT ; ; RESET PRINT FLAG AND SET FUSER ; ; DELAY 3 SECONDS AND SET EXPOSURE ; ; FLASH JAMLED AT 2HZ RATE ; ; RESET EXPOSURE AFTER 4MINUTES AND 3 SECONDS ; IF STILL IN ZAP MODE ; ; RESET FUSER AND EXPOSURE AND ADVANCE TO STATE4 WHEN ; ZAP THERMOSTAT INPUT= 1 ; ; ; ;page ; STATE6--DIAGNOSTICS MODE ; ; SELECTOR SWITCH=00 MONITOR BIT 3 OF THE LF COUNTER ; ; SELECTOR SWITCH=01 MONITOR PRINT SWITCH INPUT ; ; SELECTOR SWITCH=03 PREPARE BILLING OUTPUT ; ; SELECTOR SWITCH=04 PREPARE FUSER AND FANS OUTPUTS ; ; SELECTOR SWITCH=05 MONITOR ZAP INPUT ; PREPARE FANS OUTPUT ; ; SELECTOR SWITCH=06 MONITOR 50/60 HZ SELECT INPUT ; PREPARE EXPOSURE OUTPUT ; ; SELECTOR SWITCH=07 PREPARE CHARGE FANS DRIVES OUTPUTS ; ; SELECTOR SWITCH=08 MONITOR MOTION SENSOR INPUT ; PREPARE CHARGE FANS DRIVES ; AND EXPOSURE OUTPUTS ; ; SELECTOR SWITCH=09 MONITOR HOME SWITCH INPUT ; PREPARE SCAN SOLENOID OUTPUT ; ; SELECTOR SWITCH=15 PREPARE TO SET STATE CNTR=1 ; SET THE DIAG FLAG AND JUMP ; TO INITIAL FOR FLYBACK TIMING ; TEST ; ; ; INPUT TESTS: ; THE INPUT SELECTED IS MONITORED AND ITS STATUS IS ; INDICATED ON THE JAMLED: ; IF LOGICAL "1" JAMLED ON ; IF LOGICAL "0" JAMLED OFF ; ; ; ; OUTPUT TESTS: ; THE OUTPUT(S) SELECTED WILL BE SWITCHED ON WHEN THE ; PRINT SWITCH IS ACTUATED ; IN THE CASE OF CODE 15 THE PROGRAM INITIATES A 15 ; COPY CYCLE AND THE JAMLED IS SWITCHED ON MOMENTARILY ; IF THE FLYBACK TIME EXCEEDS .33 SECONDS ; ; ; ;page ; MISC ROUTINES: ; ; ENABLE INTERUPT IF "0" CROSSING INPUT= 1 ; ; DECODE E CNTR TO: ; START AND STOP MOTION SENSING ; SET AND RESET BILLING COUNTER ; ENABLE F CNTR ; ; DECODE F CNTR TO RESET FUSER ; ; MONITOR MOTION SENSOR INPUT AND CONDITION THE ; PAPER MOTION D FLAG ; ; MONITOR THE MOTION SENSOR CNTR AND JAM IF VALUE ; OF 10 IS REACHED ; ; INPUT TO IN1 AND MASK BITS 6 AND 7 OF SELECTOR SWITCH ; BYTE; INPUT TO IN2 THE REMAINDER OF INPUTS ; ; INCREMENT WATCH DOG TIMER AND TEST FOR CARRY: ; IF CARRY JAM ; ; LF (LINE FREQUENCY) ROUTINES: ; ; THE WDT FLAG IS SET AT THE INTERUPT SERVICE ; ROUTINE AT 120HZ AND WILL ALLOW ENTRY TO LF ; IF TRUE. THE WDT FLAG IS RESET AND THE LF ; CNTR IS INCREMENTED. IF THE LF CNTR INDICATES ; DIVIDE BY 2 PASSAGE THROUGH LF IS ALLOWED. ; ; THE LF ROUTINE ACCOMPLISHES: ; ; 50/60 HZ TIMING CONVERSION ; ; MC INCREMENT IF ENABLED ; ; EC INCREMENT IF ENABLED ; ; FC INCREMENT IF ENABLED ; ; XC INCREMENT IF ENABLED ; ; PC INCREMENT IF "STATE2 AND M279" ; ; MSC INCREMENT IF ENABLED ;****newstuff ; uart intialization has been added at init ; added command and status processor at interrupt ; ADDED PAGE SYNC STATUS AT STATE 2 .predefine "XLCCPREDEFS.SR" .RDX 16 ; SYSTEM EQUATES MCL = 00 ; M CNTR LOW BYTE MCH = 01 ; M CNTR HIGH BYTE EC = 02 ; E CNTR LFC = 03 ; LF CNTR PC = 04 ; PROG CNTR WDT = 05 ; WATCH DOG CNTR SC = 06 ; STATE CNTR FLG1 = 07 ; FLAG REG 1 MSC = 08 ; MOTION SENSE CNTR FLG2 = 09 ; FLAG REG 2 XC = 0A ; EXTENDER CNTR TEMP = 0B ; TEMP REG FC = 0C ; FUSER CNTR IN1 = 0D ; INPUT BYTE 1 IN2 = 0E ; INPUT BYTE 2 OUTS = 0F ; OUTPUT BYTE ;page 2 register assignments uartcom = 00 ; uart command register uartstat = 01 ; uart status register IFLAG = 02 ; interupt polling register UFLAG = 03 ; uart status flags register sav1 = 04 ;storage for T during interupt sav2 = 05 ;storage for STATUS during ;interupt TEMP2 = 06 uflag2 =07 testcounter = 08 OUT2 = 09 inp3 = 0A ; uart constants cmdUart = 09 ; uart control addr dataUart = 08 ; uart send and receive data addr intflags = 10 ; interupting device polling addr combit = 00 ; command received from server statbit = 01 ; status needs to be sent to server prntbit = 02 ;print request from server i.e. make 1 print multibit= 03 ; delay cycle down more prints coming PFBIT = 04 ;PAGE FLOP PSEUDO FLAG PSBIT = 05 ;Flag that is set when print is started PARBIT = 06 ;parity status holding bit BADCMDBIT = 07 ;uflag2 assignment pagedelbit = 00 patternbit = 01 ;true when we're generating test patterns. ;OUT2 oriented stuff altosync = 00 rosflag = 07 rosconstant = 12. ; number of 8ms ticks to leave ros on for test ;INTFLAGS PRNTREQ = 02 ;STATUS RESPONSES TO SERVER warmup = 40 ;machine is warming up ready = 41 ;ready to feed (not running) jamb = 44 ;machine is jammed fusercold = 49 ;fuser has gotten cold while printing rntredy = 4a ;printing not ready for new feed command rnredy = 4b ;printing ready to feed comrejp = 4d ;command rejected bad parity comrejun = 4e ; don't recognize command comrejil = 4f ; illegal command sequence pgsync = 52 ;page sync pgdel = 53 ;page delivered to output tray ; COMMANDS TO PRINTER FEEDBOT= 40 ;PRINT COMMAND READSTAT = 20 ;READ STATUS COMMAND FEEDTOP = 50 ISTACK = 21 FEEDTOPSK = 51 FEEDBOTSK = 41 ;UART constants PARITY = 03. ;intflags bit assignments ; d0 - uart interupt flag (active high) ; d1 - 120hz interupt (active low) .loc 0 ; ; ; INITIALIZATION ROUTINE - THIS ROUTINE INITIALIZE REGISTERS , FLAGS &USART MVI SC 04 ; SET STATE CNTR eq 4 MVI FLG1 80 ; SET PWRUP FLAG inituart: mvi TEMP 5Ax ;load a temp register with 5Ax out TEMP cmdUart ;store to Uart mode reg mvi TEMP 35x ;load temp with 35x out TEMP cmdUart ;store to Uart command reg inp TEMP dataUart ;make a dummy read of Uart datareg CLR stp ;set page flop movt uartcom ;clr command reg movt uartstat ;clr status reg movt IFLAG ;clr IFLAG movt UFLAG ;clr UFLAG movt UFLAG2 ;clr UFLAG2 movt temp2 ;clr temp2 MOVT INP3 ;CLR ALTOPRINTREQ MVI OUT2 80 ;turn off laser clp INIT0: CLR movt OUTS ;RESET OUTPUTS movt LFC ;CLEAR LF CNTR movt WDT ;CLEAR WATCH DOG CNTR movt FLG2 ;RESET XC AND FC INITIAL: CLR ;ENABLE FLAGS movt EC ;CLEAR E CNTR movt FC ;CLEAR F CNTR movt MSC ;CLEAR MOTION SENSOR CNTR STB 07 ;RESET FLG1 EXCEPT PWRUP AND FLG1 ;FLAG IF IT IS ON. INITIAL1: CAL RESETMC ;CLEAR M CNTR INITIAL2: STB 0 ;ENABLE M CNTR IOR FLG1 CLR movt XC ;CLEAR X CNTR CLB 0 AND FLG2 ;RESET X CNTR ENABLE FLAG MVI PC 1 ;SET PROG CNTReq1 ; ; ; STATE 1 ROUTINE - STATE COUNTER IS CHECKED IF ITS NOT EQUAL TO 1 ; THE PROGRAM IS VECTORED TO STATE 2. ; THIS ROUTINE ACCOMPLISHES CYCLE UP & PREPARES ; MACHINE FOR COPY CYCLING. ; ; STATE1: lcj SC 1 STATE2 ; IF: SC EQ 1 MVIT 77 ;RESET PWRUP AND PRINT FLAGS AND FLG1 ;ENDIF ; ST101: lcj MCL 0 ST12 ;IF: MC EQ 0 MVIT 70 ;SET FANS IOR OUTS ;DRVS & EXPO stp ; enable ros output mvi out2 00 clp ST12: ;movr IN2 ;CPL ;ELSE: ;bt 1 ST13 ;**bypass home sw bt 1 ST13 IF: HOME SW STB 0 ;ENAB. M CTR IOR FLG1 ;& DISABLE X CNTR CLB 0 ;ENDIF AND FLG2 ;ENDIF ST121: lcj MCL 86. ST122 ST123: CLB 0 ;IF: MC EQ 86 AND OUTS ;RESET CHARGEOFF CLB 2 ;AND AND FLG1 ;COIN FLAG ; ELSE: ST122: lcj MCL 102. STATE2 ;IF: MC EQ 102 lcj IN1 0 ST102 ;IF: SEL SW EQ 0 JMP ST11 ;JMP TO ST11 ; ELSE: ST102: CAL RESETMC ; RESET MC & SET MVI SC 2 ; STATE COUNTER eq 2 JMP STATE2 ; JMP TO STATE2 ; ENDIF ; ENDIF ; ENDIF ST11: MVI SC 3 ; SET STATE CTReq3 CAL RESETMC ; CLEAR MC STB 0 IOR FLG1 ; ENABLE MC IOR OUTS ; SET CHARGEOFF JMP STATE2 ; JMP TO STATE2 ST13: lcj MCL 60. STATE2 CLB 0 ; IF: MC EQ 60 AND FLG1 ; DISABLE MC & STB 0 ; ENABLE X CNTR IOR FLG2 ; ENDIF lcj XC 255. STATE2 JMP JAM ; IF: X CNTR EQ 255 - JMP JAM ; ENDIF ; ; STATE 2 ROUTINE - STATE COUNTER IS CHECKED IF THE COUNT IS NOT 2 ; THE PROGRAM IS VECTORED TO STATE 3 ROUTINE. ; THIS ROUTINE CONTAINS MULTI COPY CYCLING PROCESS. ; STATE2: lcj SC 2 STATE3 ; IF: SC EQ 2 CLB 3 ; RESET PRINT FLAG AND FLG1 ; ENDIF lcj MCH 0 ST21 lcj MCL 1 ST21 ; IF: MC EQ 1 stp movr UFLAG bt prntbit pagesync sync: clp STB 1 ; SET SCAN SOL IOR OUTS ST21: LCJ mch 0 ST270 ; read counter for sol reset LCJ mcl 15 ST270 MVIT 0F5 AND OUTS ; RESET SCAN SOL & JAM LED ; ENDIF ; ENDIF ST270: ;this value must be at least one greater than the value of st27 LCJ mch 1 ST27 ; read counter LCJ mcl 59. ST27 ; stp clb psbit ;watch for extra pagesync's and uflag ;clear page sync 1 shot movr uflag ;test if multicopy if so bt multibit more ;then clear the multibit clb prntbit ;otherwise clear the printbit and uflag clp jmp ST27 more: clb multibit and uflag clp ST27: lcj MCH 1 ST24D lcj MCL 24. ST24D ; IF: MC EQ 280 (256+24) STB 7 IOR OUTS ; SET FUSER STB 1 IOR FLG1 ; ENABLE E CNTR STB 3 IOR FLG2 ; SET 1SHOT FLAG ; ENDIF ST23: movr IN1 CPL movt IN1 ; MCH3eqCOMPLEMENT OF SELSW stp clb altosync ;turn off alto pagesync and out2 movr uflag bt multibit ST24 bt prntbit setcoin clp movr PC ADD IN1 ; PC>eqSELSW bt nc ST24 ; IF: PC GE SEL SW setcoin: clp STB 2 IOR FLG1 ; SET COIN FLAG ; ENDIF ST24D: ;movr IN2 ;CPL ;bt 1 ST24 ; IF: HOME SW ON movr FLG2 CPL bt 3 ST24 ; ORIF: 1SHOT FLAG SET bt 2 ST24 ; ORIF: DIAG FLAG SET CLB 3 AND FLG2 ; RESET 1SHOT FLAG MVIT 20. CMP EC ; COMPARE E CNTR WITH 20 bt nz ST24 ; IF: E CNTR GT 20 STB 3 ; SET JAM LED TO IND. IOR OUTS ; SLOW FLYBACK IN DIAG. ; ENDIF ; ENDIF ST24: clp lcj MCH 1 STATE3 ; IF: MC EQ 256 MVIT 59. CMP MCL bt nz STATE3 ; ORIF: MC GT 315 (256+59) movr FLG1 bt 2 ST25 ; IF: COIN FLAG CLEAR jmp ST26 ;bypass home sw stuff ; ; ENDIF ; ENDIF ; ENDIF ST25: MVI SC 3 ; SET STATE CTReq3 ST26: CAL RESETMC ; RESET MC JMP STATE3 ; JMP TO STATE3 pagesync: stp ;make sure its reg bank 2 movr uflag bt psbit sync mvi uartstat pgsync ;put page sync stat in stat reg stb statbit ;set send status flag IOR UFLAG stb altosync ior out2 stb psbit ;set the page sync 1shot flag ior uflag clp ;reset page flop jmp sync ; ELSE: JMP TO ST27 ; ENDIF ; ; ; STATE 3 ROUTINE - STATE COUNTER IS DECODED IF ITS NOT 3 THE PROGRAM ; IS VECTORED TO STATE4 ROUTINE. ; STATE 3 IS FOR CYCLE OUT. ; STATE3: JMP state333 .loc 0FF ; ; ; INTERUPT LOCATION WDT FLAGeq1 ALLOWS ENTRY TO THE LF ROUTINE ; ; CAL INTHANDLE RFS state333: lcj SC 3 STATE4 ; SCeq3 movr OUTS ; IF MAIN DRIVE OFF CPL bt 6 ST37 ; JMP TO ST37 movr FLG1 bt 3 ST31 ; JMP IF PRINT FLAG ST37: lcj MCH 2. STATE4 lcj MCL 3. ST36 ; MCeq512+3eq515 stp clb patternbit and uflag2 movr uflag2 cpl bt pagedelbit ST371 mvi uartstat ready stb statbit ior uflag clb pagedelbit and uflag2 ST371: clp MVIT 08F ; RESET DRIVES FANS EXPOSE AND OUTS stp ;disable ros output mvi out2 80 clp ST36: LCJ MCL 33. STATE4 ; MCeq512+33eq545 MVI SC 4 ; SET STATE CNTReq4 JMP STATE4 ST31: movr OUTS bt 0 ST32 ; JMP IF CHARGE IS OFF MVI SC 1 ; ELSE SET SCeq1 CLB 2 ; AND RESET COIN FLAG AND FLG1 JMP INITIAL1 ST32: CLR CMP MCH ; TEST MCHeq0 (LESS THAN 256) bt z ST35 STB 0. ;TEST MCH GRTR 256 CMP MCH bt n ST33 ; JMP IF GRTR 256 MVIT 156. CMP MCL bt n ST33 ;JMP IF MC GRTR 256+156eq412 ST35: LCJ MCH 1. STATE4 LCJ MCL 155. STATE4 ; IF MCeq256+155eq411 RESTART ST34: MVI MCL 72. ; SET MCeq72 MVI MCH 0. MVI SC 1. ; SET SCeq1 CLB 0 ;TURN ON CHARGE AND OUTS CLB 2 ; RESET COIN FLAG AND FLG1 JMP INITIAL2 ST33: LCJ MCH 2. STATE4 LCJ MCL 55. STATE4 JMP ST34 ; IF MCeq567 JMP ST34 ; ; ; STATE 4 ROUTINE - STATE COUNTER IS DECODED IF ITS NOT 4 PROGRAM ; IS VECTORED TO STATE 5 ROUTINE.THIS ROUTINE ; CONTAINS THE STANDBY STATE. ; STATE4: lcj SC 4 STATE5 ; IF: SC EQ 4 CAL RESETMC ; CLEAR MC CLB 0 ; RESET CHARGEOFF AND OUTS ; ENDIF movr IN2 bt 4 ST41D ; IF: ZAP MODE MVI SC 5. ; SET SC eq 5 JMP INIT0 ; & JMP TO INIT0 ; ENDIF ST41D: movr FLG2 CPL bt 2 ST41 ; IF: DIAG FLAG SET MVI SC 6 ; SET SC eq 6 ; ST41: movr FLG1 ; ELSE: CPL ; IF: PRINT FLAG SET bt 3 STATE5 ; SET CHARGEOFF SET SCeq1 MVI SC 1 ; & JMP TO INITIAL movr FLG1 ; TEST PWRUP FLAG bt 7 ST42 ; IF SET DONT SET CHARGEOFF STB 0. ; ENDIF IOR OUTS ; ENDIF ST42: JMP INITIAL ; ENDIF ; ; ; STATE 5 ROUTINE - STATE COUNTER IS DECODED IF COUNT IS NOT 5 ; THE PROGRAM IS VECTORED TO STATE 6. THIS ; ROUTINE CONSISTS OF FUSER & EXPOSURE PREHEAT(ZAP). ; STATE5: lcj SC 5 STATE6 ; IF: SC EQ 5 movr IN2 ; IF: IN ZAP MODE bt 4 ST51 cal wrmup wrmup2: CLB 3. ; RESET PRINT FLAG AND FLG1 STB 0 IOR FLG2 ; ENABLE X CNTR STB 7. IOR OUTS ; SET FUSER lcj XC 1 ST52 ; IF: X CNTR EQ 1 STB 3. ; SET JAM LED IOR OUTS ; ENDIF ; ENDIF ; ENDIF ST52: lcj XC 30. ST53 ; IF: X CNTR EQ 30 CLB 3. ; RESET JAM LED AND OUTS ; ENDIF ; ST53: lcj XC 60. ST54 ; IF: X CNTR EQ 60 MVI XC 0. ; SET X CNTR eq 0 ; ENDIF ST54: movr OUTS bt 5 ST55 ; IF: EXPOSURE OFF lcj MCH 0. ST55 lcj MCL 180. ST55 ; ANDIF: MC EQ 180 STB 5 ; SET EXPO.& IOR OUTS CAL RESETMC ; RESET MC. ; ENDIF ST55: lcj MCH 038 ST56 ; IF: MC EQ 14400 lcj MCL 040 ST56 CLB 5 ; RESET EXPO. AND OUTS ; & DISABLE MC CLB 0 AND FLG1 ; ELSE: ST56: JMP STATE6 ; JMP TO STATE6 ; ENDIF ; IF: NOT IN ZAP MODE ST51: CLB 0 ; DISABLE X CNTR AND FLG2 ; RESET JAM LED MVIT 057 ; FUSER & EXPOSURE AND OUTS MVI SC 4 ; SET SCeq4 JMP STATE6 ; ENDIF ; ; ; STATE 6 ROUTINE - STATE COUNTER IS DECODED IF NOT 6 PROGRAM ; IS VECTORED TO MISC ROUTINE.THIS ROUTINE CONTAINS ; THE MACHINE DIAGNOSTICS. ; IN STATE 6; TEMP IS USED AS A TEMPORARY REGISTER ; IN WHICH OUTPUT CONDITIONS ARE SET UP. AT ST693 ; TEMP IS MASKED IF PRINT BUTTON IS NOT ACTIVATED ; ELSE TEMP IS MOVED TO OUTS FOR OUTPUT. ; ; .loc 1FF STATE6: lcj SC 6 GMISC ; IF: SC EQ 6 MVI TEMP 08 ; SET JAM LED ; ENDIF lcj IN1 00 ST601 ; IF: SEL SW EQ 00 movr LFC ; IF: NOT 15 HZ bt 3 ST601 ; RESET JAM LED CLB 3 ; ENDIF AND TEMP ST601: lcj IN1 001 ST61 ; ELSEIF: SEL SW EQ 01 movr IN2 ; IF: PRINT SW ON bt 0 ST61 ; RESET JAM LED CLB 3 ; ENDIF AND TEMP ST61: lcj IN1 09 ST63 ; ELSEIF: SEL SW EQ 09 movr IN2 bt 1 ST62 ; IF: HOME SW OFF CLB 3 ; RESET JAM LED AND TEMP ST62: STB 1 ;ELSE: IOR TEMP ; SET SCAN SOL ; ENDIF ST63: lcj IN1 03 ST65 ; ELSEIF: SEL SW EQ 03 ST64: STB 2 ; SET BILLING IOR TEMP ST65: lcj IN1 04 ST66 ; ELSEIF: SEL SW EQ 04 MVIT 90 ; SET FUSER & IOR TEMP ; FANS. ST66: lcj IN1 05 ST68 ; ELSEIF: SEL SW EQ 05 movr IN2 ; IF: ZAP EQ 0 bt 4 ST67 CLB 3 ; RESET JAM LED AND TEMP ; ELSE: ST67: STB 4 ; SET FANS IOR TEMP ; ENDIF ST68: lcj IN1 06 ST690 movr IN2 ; ELSEIF: SEL SW EQ 06 bt 5 ST69 ; IF: 50HZ SELECTED CLB 3 ; RESET JAM LED AND TEMP ; ELSE: ST69: STB 5 ; SET EXPOSURE IOR TEMP ; ENDIF ST690: lcj IN1 07 ST691 ; ELSEIF: SEL SW EQ 07 MVIT 50 ; TURN ON CHARGE IOR TEMP ; DRIVES & FANS ST691: lcj IN1 08 ST692 ;ELSEIF: SEL SW EQ 08 MVIT 70 ; TURN ON DRVS IOR TEMP ; FANS EXPO.& CHG. movr IN2 bt 3 ST692 ; IF: MOTION SENSE OFF CLB 3 ; RESET JAM LED AND TEMP ; ENDIF ST692: lcj IN1 15 ST693 ; ELSEIF: SEL SW EQ 15 movr IN2 bt 0 ST693 ; IF: PRINT SW ON MVI SC 1 ; SET SC eq 1 STB 2 ; SET DIAG FLAG IOR FLG2 ; AND THEN JMP INITIAL ; JMP TO INITIAL GMISC: JMP MISC ; FOR FLYBACK CHK. ; ENDIF ST693: movr IN2 CPL bt 0 ST694 ; ELSEIF: PRINT SW OFF STB 3 ; RESET ALL OUTPUTS EXCEPT JAM LED AND TEMP ; ELSE: ST694: movr TEMP ; PUT TEMP IN OUT REG. movt OUTS ; ENDIF ; ; ; MISC ROUTINE ; MISC: CAL INPUT ; REFRESH INPUTS movr IN2 CPL bt 2 MISC12 ;IF: ZERO CROSSING TRUE STI ; SET INTERRUPT ENABLE CAL CHKPRNT ; CHECK FOR PRINT COMMAND STP INPT INTFLAGS ;READ THE PRINTER INPUT BYTE MOVT TEMP2 CMP INP3 BT Z NOPRNTREQ ; TEST TO SEE IF SLOT CARD PRINT ; REQUEST HAS BEEN MADE IF SO ;THEN SET THE PRNTBIT ELSE NEVERMIND MOVR INP3 BT prntreq NOPRNTREQ stb PRNTBIT IOR UFLAG NOPRNTREQ: MOVR TEMP2 MOVT INP3 MOVR UFLAG BT PRNTBIT MISC101 CLP MISC12: movr IN2 bt 0 MISC11 ; ELSEIF: PRINT SW ON MISC101: movr uflag cpl bt prntbit MISC101A stb pagedelbit ;remember to send page delivered ior uflag2 MISC101A: CLP STB 3 IOR FLG1 ; SET PRINT FLAG stp movr uflag bt prntbit misc11 stb patternbit ior uflag2 MISC11: clp STB 1 ADD WDT ; INCREMENT WD TIMER BY 2 bt nc MISC13 ; ELSEIF: CARRY IS SET JMP JAM ; JMP TO JAM MISC13: lcj EC 117. MISC14 ; ELSEIF: E CNTR EQ 117 STB 5 ; ENABLE MOT SEN IOR FLG1 MISC14: movr FLG1 CPL ; ELSEIF: COIN FLAG SET bt 2 MISC141 ; IF: EC EQ 140 lcj EC 140. MISC141 STB 0 ; SET CHARGEOFF IOR OUTS ; ENDIF MISC141: lcj EC 247. MISC15 ; ELSEIF: EC EQ 247 CLB 5 AND FLG1 ; DISABLE MOT SENS STB 2 IOR OUTS ; SET BILLING ; ; MISC15: lcj EC 255. MISC16 ; ELSEIF: EC EQ 255 CLB 2 AND OUTS ; RESET BILLING stp movr uflag2 bt pagedelbit delivered ; test deliver flag send delivered misc151: clp CLB 1 AND FLG1 ; DISABLE EC MVI EC 0 ; RESET EC STB 1 IOR FLG2 ; ENABLE FC MISC16: movr FLG1 CPL bt 1 MISC17 ; ELSEIF: EC INCR FLAG SET MVI FC 0 ; RESET FC MISC17: lcj FC 176. MISC18 ; ELSEIF: EC EQ 176 CLB 7 ; RESET FUSER AND OUTS MISC18: movr FLG1 CPL bt 5 MISC21 ; ELSEIF: MOT SEN ENABLE movr IN2 bt 3 MISC19 ; IF: PAP IN MOTION movr FLG1 ; SET D FLAG @ MISC19 bt 6 MISC20 ; ELSEIF: MOT SEN EQ 0 ; RESET MOT D FLAG ; ENDIF MISC22: lcj MSC 10. LF ; ELSEIF: MOT SEN EQ 10 ;;; JMP JAM ; JMP TO JAM ;patched out above instruction to see if we can get large format to work on ;the Hornet delivered: mvi uartstat pgdel stb statbit ior uflag jmp misc151 ; ELSE: JMP TO LINE FREQ ROUT ; ENDIF MISC19: STB 6 IOR FLG1 ; SET MOTION D FLAG JMP MISC22 MISC20: CLB 6 AND FLG1 ; RESET MOTION D FLAG MISC21: MVI MSC 0 ; RESET MOT SEN CTR JMP LF ; ; ; LINE FREQ ROUTINE - WATCH DOG TIMER FLAG IS CHECKED IF ITS CLEAR ; THE PROGRAM IS VECTORED TOSTATE 1 ROUTINE. ; .loc 2FF LF: movr WDT CPL bt 0 LFEND ; IF: WDT FLAG IS SET CLB 0 ; RESET WDT FLAG AND WDT STB 0 ADD LFC ; INCR LF CNTR movr IN2 ; ENDIF CPL bt 5 LF1 ; IF: 60 HZ MODE LF11: movr LFC bt 0 LFEND ; ANDIF: LSB OF LFC NE 1 (DEVIDE BY 2) LF2: movr FLG1 CPL bt 0 LF3 ; ANDIF: MC ENABLED STB 0 ADD MCL ; INCR LSB OF MC bt nc LF3 ; IF: CARRY IS SET ADD MCH ; INCR MSB OF MC ; ENDIF ; ENDIF LF3: movr FLG1 CPL bt 1 LF31 ; IF: EC ENABLED STB 0 ADD EC ; INCR EC LF31: movr FLG2 ; ELSE: CPL bt 1 LF35 ; IF: FC ENABLED STB 0 ADD FC ; INCR FC LF35: movr FLG2 CPL ; ELSE: bt 0 LF311 ; IF: XC ENABLED STB 0 ADD XC ; INCR XC & JMP LF4 ; JMP TO LF4 LF311: CLR ; ELSE: movt XC ; RESET XC ; ENDIF ; ENDIF ; ENDIF LF4: lcj SC 2. LF47 ; IF: SC EQ 2 lcj MCH 1. LF47 ; ANDIF: MC EQ 279 lcj MCL 23. LF47 ; ; ; PROGRAM COUNTER IS INCREMENTED TO BE COMPATABLE WITH BCD INPUT ; FROM SELECTOR SWITCH. MVIT 7 ADD PC ; INCR PC BY 7 bt ci LF47 ; IF: CI IS CLEAR MVIT 0FA ; FF - 6 ADD PC ; DEC. PC BY 6 ; ENDIF ; ENDIF LF47: movr FLG1 CPL bt 5 LFEND ;IF: MOT SEN ENABLED STB 0 ADD MSC ;INCR MOT SEN CNTR ; ELSE: LFEND: JMP STATE1 ; JMP TO STATE1 ; ENDIF LF1: lcj LFC 4 LF11 ; IF: LFC EQ 4 MVI LFC 0FF ;SET LFC TO 255 JMP LF2 ;& JMP TO LF2 ; ELSE: JMP TO LF11 ; ENDIF ; SUBROUTINES ; RESETMC: CLR movt MCL ; RESET MC LSB movt MCH ; RESET MC MSB RFS ;RETURN NOP ; ; ; JAM ROUTINE HAS ONLY ONE NORMAL EXIT THAT IS POWER UP RESET. ; THE DIAGNOSTICS ROUTINE IS ACESSED VIA THE JAM ROUTINE. ; JAM: stp movr uflag2 bt pagedelbit sendjam clb statbit and uflag clp jammed: clp MVI OUTS 008 ; CLEAR OUTS SET JAMLED OUT OUTS 0 ; OUTPUT HERE IN CASE OF JAM: stp clb patternbit and uflag2 MVI out2 80 ;turn off laser clp ; DUE TO INTERUPT FAILURE ; (WATCH DOG TIMER OVERFLOW) CAL INPUT ; INPUT AND MASK SELSW TO ; IN1 INPUT TO IN2 movr IN2 bt 2 j21 ;IF: ZERO CROSSING TRUE STI ; SET INTERRUPT ENABLE j21: bt 0 J2 ; IF: PRINT SW OFF - JMP J2 movr MCL CMP IN1 ; ELSE: bt z J3 ; IF: SEL SW EQ MC (LSB) MVIT 0F0 ; DECR MC BY 010 ADD MCL ; ELSE: J3: lcj MCL 0F8 JAM ; IF: MC EQ 0F8 lcj IN1 000 JAM ; ANDIF: SEL SW EQ 00 MVI SC 6 ;SET SC eq 6 & JMP INIT0 ; JMP TO STATE 6 ; ELSE: ; JMP TO JAM ; ENDIF ; ENDIF ; ENDIF ;THIS IS ONE OF THE PLACES WE SEND STATUS. WE RESPOND ;TO READ STATUS REQUESTS HERE, AND ALSO SEND 'JAMMED' ;IN RESPONSE TO 'FEED' COMMANDS. ; WE DON'T CARE IF THERE WAS A RESPONSE PENDING WHEN ;THE JAM OCCURRED -- IT IS STEPPED ON. J2: MVI MCL 038 ; SET LSB OF MC eq 038 stp movr uflag cpl bt combit jammed ; if combit is mvit readstat cmp uartcom bt z sendjam mvit feedbot cmp uartcom bt z sendjam clp JMP jammed ; JMP TO jammed sendjam: stp mvi uartstat jamb out uartstat datauart clb prntbit and uflag clb combit and uflag clp jmp jammed ; ; ; SUBROUTINE "INPUT" INPUTS THE SELECTOR SWITCH AND ; MASKS THE UNUSED BITS 6&7; SELSW VALUE THEN ; STORED IN IN1. MACHINE INPUTS THEN STORED IN ; IN2. ; ; INPUT: INP IN1 0 ; INPUT SEL SW TO MCH3 MVIT 03F AND IN1 ; MASK UNUSED BITS 6 & 7 INP IN2 1 ; INPUT MACH INPUTS TO MCH4 RFS ; RETURN wrmup: stp movr UFLAG bt prntbit sendwrmup clp RFS sendwrmup: mvi uartstat warmup stb statbit ior uflag clb prntbit and uflag clp RFS .LOC 400 INTHANDLE: BT PF SETPGF ;TEST THE PAGE FLOP stp ;set register page flip flop movt sav1 ;save contents of T register svs ; move status to T movt sav2 ;save status register movr uflag bt prntbit save ;if online printing, forget test. movr uflag2 cpl bt patternbit save ;test the copier print flag stp ; output test pattern by leaving ros on for stb 0 ; 'rosconstant' number of cycles add testcounter mvit rosconstant cmp testcounter bt n toggle ;go to 'toggle' if the counter has gone negative save: stp inp IFLAG intflags ;input the interupt register movr IFLAG ; T←interupt flags cpl bt 1 lineint ;if not lineint movr IFLAG ;restore IFLAG to T bt 0 ruart ;if not uart restore state then RFS MOVR UFLAG BT PFBIT RESETFLAG JMP RESTORE TOGGLE: movr OUT2 bt rosflag complement stb rosflag ior OUT2 toggle1: clr movt testcounter jmp save complement: clb rosflag and OUT2 jmp toggle1 RESTORE: movr sav2 ;saved status to T rss ;restore status from T movr sav1 ;restore T register clp ; reset page flop CLI RFS SETPGF: STP ;SET PAGE FLOP movt sav1 ;save contents of T register svs ; move status to T movt sav2 ;save status register STB PFBIT ;SET PG FLOP FLAG IOR UFLAG JMP SAVE ruart: inp uartcom datauart ;read uart data and store in uart com reg INPT CMDUART BT PARITY PARERR jmp filterCmds ;returns to filterCmdsRet filterCmdsRet: IOR uflag MOVR UFLAG BT PFBIT RESETFLAG JMP RESTORE RESETFLAG: CLB PFBIT ;CLEAR THE PAGE FLOP FLAG AND UFLAG movr sav2 ;saved status to T rss ;restore status from T movr sav1 ;restore T register CLI RFS filterCmds: clb 07 and uartcom mvit FEEDBOT cmp uartcom bt z filterCmds1 stb combit jmp filterCmdsRet filterCmds1: mvit READSTAT cmp uartcom bt z filterCmds2 stb combit jmp filterCmdsRet filterCmds2: mvit FEEDTOP cmp uartcom bt z filterCmds3 jmp filterCmdsRet filterCmds3: mvit ISTACK cmp uartcom bt z filterCmds4 jmp filterCmdsRet filterCmds4: mvit FEEDTOPSK cmp uartcom bt z filterCmds5 jmp filterCmdsRet filterCmds5: mvit FEEDBOTSK cmp uartcom bt z filterCmds6 jmp filterCmdsRet filterCmds6: MVIT 0F0 AND UARTCOM MVIT 30 CMP UARTCOM BT Z FILTERCMDSRET STB BADCMDBIT IOR UFLAG JMP FILTERCMDSRET lineint: clp MVI WDT 01 ;SET WDT FLAG UPON INTERUPT ;RESET WATCH DOG TIMER. OUT OUTS 0 ;OUTPUT OCCURS AT 0 CROSSING. stp ;set page flop OUT OUT2 16. movr IFLAG ;get the interupt polling flags bt 0 ruart ;test if uart called as well movr uflag bt statbit suart bt parbit cont bt badcmdbit badcmd movr uflag BT PFBIT RESETFLAG JMP RESTORE suart: out uartstat datauart ;send status to uart clb statbit ; clear status bit of uart flag and uflag MOVR UFLAG BT PFBIT RESETFLAG JMP RESTORE badcmd: mvi uartstat comrejun CLB BADCMDBIT AND UFLAG jmp suart PARERR: bt statbit setpar inpt datauart ;reinit uart and send parity error mvi temp2 40 out temp2 cmduart mvi temp2 5a out temp2 cmduart mvi temp2 35 out temp2 cmduart mvi uartstat comrejp stb statbit ior uflag movr uflag bt pfbit resetflag jmp restore setpar: stb parbit ior uflag movr uflag bt pfbit resetflag jmp restore cont: mvi uartstat comrejp inpt datauart mvi temp2 40 ;reinit uart and send parity error out temp2 cmduart mvi temp2 5a out temp2 cmduart mvi temp2 35 out temp2 cmduart out uartstat datauart movr uflag bt pfbit resetflag jmp restore .loc 500 CHKPRNT: STP MOVR UFLAG ;GET UART FLAGS BT COMBIT CHKCOM ; TEST COM FLAG CLP ;IF TRUE THEN GO CHKCOM RFS ;ELSE RFS CHKCOM: CLB 07 ; AND UARTCOM MVIT FEEDBOT ;TEST PRINT COMMAND CMP UARTCOM BT Z SETPRNT ;TRUE , GO SETPRNT MVIT READSTAT CMP UARTCOM BT Z SENDSTAT CLP ;ELSE RFS RFS SENDSTAT: clp movr IN2 cpl bt 04 SENDWARMUP ;testing for warmup movr flg1 bt 03 SENDPRINTING ;JUST MEANS 'COPIER' IS printing stp mvi uartstat ready stb statbit ior uflag jmp clrcomb ; enough with the commands SENDWARMUP: stp mvi uartstat WARMUP stb statbit ior uflag jmp clrcomb ; enough with the commands SENDPRINTING: ;here if in test mode or printing a file stp mvi uartstat rntredy ;not ready for another feed command! stb statbit ior uflag jmp clrcomb ; enough with the commands SETPRNT: movr uflag bt prntbit onmulti STB PRNTBIT ;SET PRNTBIT FLAG IOR UFLAG ; clrcomb: CLB COMBIT ;CLEAR COM FLAG AND UFLAG CLP RFS ONMULTI: stb multibit ior uflag jmp clrcomb .END