DataMuseum.dk

Presents historical artifacts from the history of:

CR80 Hard and Floppy Disks

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about CR80 Hard and Floppy Disks

Excavated with: AutoArchaeologist - Free & Open Source Software.


top - download

⟦1bd9526e7⟧ TextFile

    Length: 63602 (0xf872)
    Types: TextFile
    Names: »F8047DSRC«

Derivation

└─⟦defd908de⟧ Bits:30005536 8" CR80 Floppy CR80FD_0243 ( CR/D/2198 )
    └─⟦6cf532d85⟧ 
        └─ ⟦this⟧ »F8047DSRC« 

TextFile

WORDLENGTH=56 ,
 PROMWIDTH=8 ,
JUMPDED=1 ,
PROMLENGTH=1024

.

 1  5 10   0 ,
 2 24 8   0 ,
 3  0 1   0 ,
 4  14 1   0 ,
 5  1 4   1 ,
 6 15 2   1 ,
 7 17 2   0 ,
 8 19 3   0 ,
 9 22 2   1 ,
10 32 1   0 ,
11 33 3   0 ,
12 36 4   0 ,
13 40 7 125 ,
14 47 1   1 ,
15 48 1   1 ,
16 49 1   1 ,
17 50 1   1 ,
18 51 1   1 ,
19 52 2   0 ,
20 54 2   2 ,
.


 UNC=1,3
 CLIN=1,4
 JZ=15,5
 CJS=14,5
 JMP=13,5
 CJP=12,5
 PCLC=11,5
 JRP=8,5
 RFCT=7,5
 RPCT=6,5
 CRET=5,5
 CJPP=4,5
 LDCT=3,5
 ENLO=2,5
 TWB=0,5

 CLBY=0,6
 STBY=3,6

 STCM=0,7
 TRK=1,7
 SCT=2,7
 DAT=3,7

 AQ=0,8
 AB=1,8
 ZQ=2,8
 ZA=4,8
 DA=5,8
 DQ=6,8
 DZ=7,8

 Q=0,9
 BA=2,9
 B=3,9

 C=1,10

 ADD=0,11
 SUB=1,11
 BUS=2,11
  OR=3,11
 AND=4,11
 IAN=5,11
 EXO=6,11
 EXN=7,11

 A0=0,12
 A1=1,12
 A2=2,12
 A3=3,12
 A4=4,12
 A5=5,12
 A6=6,12
 A7=7,12
 A8=8,12
 A9=9,12
 A10=10,12
 A11=11,12
 A12=12,12
 A13=13,12
 A14=14,12
 A15=15,12

 COND=126,13
 RDY=123,13
 RAM=119,13
 RL=111,13
 RU=95,13
 DAL=63,13
 NIB=127,13

 RIC=0,14
 UPBY=0,15
 UNIT=0,16
 WIC=0,17
 LATCH=0,18
 WRA=1,19
 DU=2,19
 DL=3,20
 MR=0,20
 BIT1=#3FF,1
 .



    ;ST FD CTRL CR8047D/010AB/01 ;.
    ;FIRMWARE VERSION 811130/BBP ;.
    ;BUILD-IN-TEST IMPLEMENTED ;.
    ;UPDATED LAST: 820116.
 ;.
BIT:   UNC CJP T2910                   STBY MR         ;SET BUSY MR1791  ;.
       JZ                              STBY MR         ;2910 ERROR  ;.
       UNC CJS BIT1                    STBY MR         ;TRY RESET CMD  ;.
 ;.
 ;.
E2910: UNC CJP LOC                     STBY MR ;.

E2901:  UNC CJP LOC                     STBY MR ;.
 ;.
EIBUS: UNC CJP LOC                     STBY MR ;.
 ;.
EABBUS: UNC CJP LOC                     STBY MR ;.
 ;.
ERAM:   UNC CJP LOC                     STBY MR ;.
 ;.
ETIMER: UNC CJP LOC                     STBY MR ;.
 ;.
E1791:  UNC CJP LOC                     STBY MR ;.
 ;.
 ;.
       ;******   2901 TEST SUBROUTINES ****** ;.
T29011:         AND ZA A0               B MR            ;A0_00 Y=RESULT Z=1 ;.
               BUS ZA A0               B MR            ;A0_#FF Y=RESULT Z=0 ;.
       CJP E2910       AND ZA A0       B MR            ;Z=1 ;.
       CRET            BUS ZA A0       B MR            ;Z=0 TEST CRET ;.
       UNC CJP E2910                     MR    ;RETURN TO MAIN PROGRAM ;.
 ;.
 ;.
 ;.
       ;*****   2910 TEST SUBROUTINES ****** ;.
 ;.
T29101: UNC CRET                          MR ;.
       UNC E2910                         MR ;.
 ;.
T29102: UNC CJS T29103                    MR ;.
       UNC CJP E2910                     MR ;.
 ;.
T29103: UNC CJPP T29104                   MR ;.
       UNC CJP E2910                     MR    ;COME HERE IF JPP DEFECT ;.
 ;.
T29104: UNC CRET                          MR    ;RETURN TO T2910 IF POP OK ;.
                                               ;ELSE RETURN TO T29102+1 ;.
T29105: CJS E2910       AND ZA A0       B MR ;.
       CJS T29103      BUS ZA A0       B MR    ;CALL IF OK ;.
       UNC CJP E2910                     MR    ;ELSE GOTO ERROR LOOP ;.
 ;.
T29107: UNC CJS T29108                    MR    ;PUSH T29107+1 TO STACK ;.
       UNC CJP E2910                     MR    ;COME IF POP ERROR ;.
 ;.
T29108:                 AND ZA A0       B MR    ;CLEAR REG 0 ;.
       CJPP T29109     BUS ZA A0       B MR    ;FORCE THE JUMP CONDITION ;.
       UNC CJP E2910                     MR    ;ERROR EXIT ;.
 ;.
T29109: UNC CRET                          MR    ;RETURN TO MAINLOOP IF POP ;.
                                               ;WAS OK,ELSE RET TO T29107+1 ;.
 ;.
 T2910A: LDCT T2910B                      MR    ;REG_JUMP ENTRY ;.
       JRP             AND ZA A0       B MR    ;JUMP TO LOC T2910B ;.
      UNC CJP E2910                      MR    ;.
 ;.
T2910B: UNC CRET                          MR    ;COME HERE IF LDCT&JRP WASS ;.
                                               ;OK ;.
 ;.
 ;.
T2910C: LDCT 1(#FF)    AND ZA  A0      B MR    ;LOAD COUNTER R0_0 ;.
       RPCT LOC        SUB ZA A0       B MR    ;DECREMENT COUNTER ;.
       CJP E2910       OR  ZA A0         MR    ;.
       UNC CRET                          MR    ;COME IF CNT=R0 ;.
T2910D: UNC PCLC 1(#FF) AND ZA A0      B MR    ;LOAD COUNTER+STACK ;.
       RFCT            SUB ZA A0       B MR    ;DCR COUNTER A0_A0+1 ;.
       CJP E2910       OR ZA A0          MR    ;.
       UNC CRET                          MR ;.
 ;.
       ;*****   1791 TEST SUBROUTIN   *****
        ENTRY:  R10= PREVIOUS STATE
        EXIT:   R8 = CURRENT STATE OF INPUT REGISTER
                R10= LAST STATE OF STPU
                R1 DESTROED.

W1STPU:                 AND ZA A1       B       ;CLEAR COUNT REG.
W1ST:   LDCT 1(#20)     OR  DZ A8 COND  B       ;READ INPUT REG.
             2(#40)     AND DA A8       Q       ;MASK STPU BIT.
        CRET            IAN AQ A10              ;RETURN IF POS EDGE.
        RPCT W1ST       OR  ZQ A10      B       ;UPDATE STATE REG.
                      C ADD ZA A1       B       ;INCREMENT LOOP CNT.
        CJP W1ST        OR  ZA A1               ;LOOP MAX 10 MSEC.
   UNC  CJP E1791                               ;THEN GIVE UP.

       ;*****   2910 TEST MAINLOOP ***** ;.
 ;.
T2910:  UNC CJS T29101                     MR   ;TEST CALL/RET ;.
       UNC CJS T29102                    MR    ;TEST JPP ;.
 ;.
       ;THE FOLLOWING 2901 TEST MUST BE PERFORMED BEFORE ;.
       ;TEST OF 2910 CONDITIONAL JUMP FACILITIES  ;.
 ;.
       UNC CJS T29011                    MR     ;TEST ZERO FLAG ON ;.
                                               ;JUMPS/RET ;.
       UNC CJS T29105                    MR    ;TEST CJS ;.
       UNC CJS T29107                    MR    ;TEST CJPP ;.
       UNC CJS T2910A                    MR    ;TEST LDCT ;.
       UNC CJS T2910C                    MR    ;TEST RPCT/DCR ALU REG 0 ;.
       UNC CJS T2910D                    MR    ;TEST RFCT ;.
 ;.
       ;***** TEST 2901 LOGICAL FUNCTIONS ***** ;.
 ;.
A29010: LDCT 1(#0E)     AND ZA A1       B MR    ;LOAD CNTR CLEAR REG 1 ;.
       RPCT LOC      C ADD ZA A1       B MR    ;PRESET REG 1 TO #0F ;.
       CJP A29011      OR ZA  A1         MR    ;IS REG 1 =I 0 ;.
       UNC CJP E2901                     MR    ;NO ;.
 ;.
A29011:                 OR  ZA A1       Q MR ;.
                       OR  ZQ A0       B MR    ;COPY R1 TO R0 ;.
       LDCT 1(#EF)     AND ZA A2       B MR    ;PRESET A2 TO #F0 ;.
       RPCT LOC      C ADD ZA A2       B MR ;.
       CJP A29012      OR  ZA A2         MR    ;TEST RESULT ;.
       UNC CJP E2901                     MR.
 ;.
A29012:                 OR  ZA A2       Q MR ;.
                       OR  ZQ A3       B MR    ;COPY R2 TO R3 ;.
                       ADD AQ A0       Q MR    ;TEST ADD ;.
       CJP E2901     C ADD ZQ            MR    ;RESULT=0 IF OK ;.
                       OR  ZA A3       Q MR    ;Q=F0 ;.
                       OR  AQ A0       Q MR    ;COMPUTE F0-OR-0F ;.
       CJP E2901     C ADD ZQ            MR    ;TEST RESULT (0 IF OK) ;.
                       OR  ZA A3       Q MR    ;Q=F0 ;.
                       IAN AQ A0       Q MR    ;TEST IAN (0 IF OK) ;.
                       ADD AQ A1       Q MR ;.
       CJP E2901     C ADD ZQ            MR    ;END OF MSNYBBLE TEST ;.
                       OR  ZA A1       Q MR    ;Q=0F ;.
                       IAN AQ A3       Q MR    ;Q=0F IF OK ;.
                       ADD AQ A2       Q MR    ;Q=FF IF OK ;.
       CJP E2901     C ADD ZQ            MR    ;END OF LSNYBBLE TEST ;.
 ;.
       ;***** XOR TEST ***** ;.
 ;.
       LDCT 1(#54)     AND ZA A4       B MR ;.
       RPCT LOC      C ADD ZA A4       B MR    ;PRESET R4 TO #55 ;.
                       EXO AQ A4       Q MR    ;Q=55 IF OK ;.
                       AND ZA A5       B MR ;.
                       SUB ZA A5       B MR    ;R5=FF ;.
                       EXO AQ A5       B MR    ;R5=#AA IF OK ;.
                       ADD AQ A5       Q MR    ;Q=00 IF OK ;.
       CJP E2901     C ADD ZQ          Q MR ;.
 ;.
       ;***** XNOR TEST ***** ;.
 ;.
                       EXN AQ A5       Q MR    ;Q=55 IF OK ;.
       CJP E2901       EXN AQ A5       Q MR    ;Q=00 IF OK ;.
 ;.
       ;****** TEST Q-REG ****** ;.
T29012:                 AND ZA A0       B MR ;.
                       AND ZQ          Q MR    ;CREAR R0 & QREG ;.
       CJP E2901       OR  AQ A0         MR ;.
                       SUB ZA A0       B MR    ;A0_#FF ;.
       CJP T29013      OR  ZA A0       Q MR ;.
   UNC CJP E2910                         MR    ;.
T29013: CJP E2901     C SUB AQ A0         MR    ;JUMP IF ERROR ;.
 ;.
       ;****** TEST GENERAL PURPOSE REGISTERS ****** ;.
 ;.
       LDCT 1(#FF)     AND ZA A0       B MR ;.
                       AND ZQ          Q MR    ;CLEAR R0 & QREG ;.
T29014:               C ADD ZA A0       B MR    ;TEST INCREMENT INSTRUCTION ;.
                     C ADD ZQ          Q MR    ;  --"-- ON QREG ;.
       CJP E2901     C SUB AQ A0            MR ;.
       RPCT T29014                       MR    ;REPEAT TEST ON ALL REG S ;.
       LDCT 1(#FF)    AND ZA A1       B MR ;.
T29015:               C ADD ZA A1       B MR    ;A1_A1+1 ;.
                    C ADD ZQ           Q MR    ;Q_Q+1 ;.
       CJP E2901     C SUB AQ A1            MR ;.
       RPCT T29015                       MR   ;TRY ALL BINARY COMBINATIONS ;.
                                               ;ON EVERY OF THE 2901 REG ;.
       LDCT 1(#FF)    AND ZA A2       B MR    ;TEST REG 2 ;.
T29016:               C ADD ZA A2       B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A2         MR ;.
       RPCT T29016                     MR.
 ;.
       LDCT 1(#FF)    AND ZA A3       B MR   ;TEST REG 3 ;.
T29017:               C ADD ZA A3       B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A3         MR ;.
       RPCT T29017                      MR      ;.
       LDCT 1(#FF)    AND ZA A4       B MR    ;TEST REG 4 ;.
T29018:                C ADD ZA A4       B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A4         MR ;.
       RPCT T29018                       MR     ;.
 ;.
       LDCT 1(#FF)    AND ZA A5       B MR    ;TEST REG 3 ;.
T29019:                C ADD ZA A5       B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A5         MR ;.
       RPCT T29019                       MR     ;.
 ;.
       LDCT 1(#FF)    AND ZA A6       B MR    ;TEST REG 6 ;.
T2901A:              C ADD ZA A6       B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A6         MR ;.
       RPCT T2901A                      MR.
 ;.
       LDCT 1(#FF)    AND ZA A7       B MR    ;TES  REG 7 ;.
T2901B:              C ADD ZA A7       B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A7         MR ;.
       RPCT T2901B                        MR.
 ;.
       LDCT 1(#FF)    AND ZA A8       B MR    ;TEST REG 8 ;.
T2901C:              C ADD ZA A8       B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901    C SUB AQ A8         MR ;.
       RPCT T2901C                       MR.
 ;.
       LDCT 1(#FF)    AND ZA A9       B MR    ;TEST REG 9 ;.
T2901D:              C ADD ZA A9       B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A9         MR ;.
       RPCT T2901D                       MR.
 ;.
       LDCT 1(#FF)    AND ZA A10      B MR    ;TEST REG 10 ;.
T2901E:              C ADD ZA A10      B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A10        MR ;.
       RPCT T2901E                       MR.
 ;.
       LDCT 1(#FF)    AND ZA A11      B MR    ;TEST REG 11 ;.
T2901F:              C ADD ZA A11      B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A11        MR ;.
       RPCT T2901F                       MR.
 ;.
       LDCT 1(#FF)    AND ZA A12      B MR    ;TEST REG 12 ;.
T29020:              C ADD ZA A12      B MR    ;TEST REG 12 ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A12        MR ;.
       RPCT T29020                       MR.
 ;.
       LDCT 1(#FF)    AND ZA A13      B MR    ;TEST REG 13 ;.
T29021:              C ADD ZA A13      ▶15◀B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A13        MR ;.
       RPCT T29021                      MR.
 ;.
       LDCT 1(#FF)    AND ZA A14      B MR    ;TEST REG 14 ;.
T29022:              C ADD ZA A14      B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A14        MR ;.
       RPCT T29022                       MR.
 ;.
       LDCT 1(#FF)    AND ZA A15      B MR    ;TEST REG 15 ;.
T29023:              C ADD ZA A15      B MR ;.
                     C ADD ZQ          Q MR ;.
       CJP E2901     C SUB AQ A15        MR ;.
       RPCT T29023                       MR.
 ;.
       ;****** TEST IBUS ****** ;.
 ;.
                       AND ZA A0       B MR    ;A0=0 ;.
                     C ADD ZQ          Q MR ;.
                       OR  ZQ A1       B MR    ;A1=1 ;.
                       ADD AQ A1       Q MR ;.
                       OR  ZQ A2       B MR    ;A2=2 ;.
                       ADD AQ A2       Q MR ;.
                       OR  ZQ A3       B MR    ;A3=4 ;.
                       ADD AQ A3       Q MR ;.
                       OR  ZQ A4       B MR    ;A4=8 ;.
                       ADD AQ A4       Q MR ;.
                       OR  ZQ A5       B MR    ;A5=#10 ;.
                       ADD AQ A5       Q MR ;.
                       OR  ZQ A6       B MR    ;A6=#20 ;.
                       ADD AQ A6       Q MR ;.
                       OR  ZQ A7       B MR    ;A7=#40 ;.
                       ADD AQ A7       Q MR ;.
                       OR  ZQ A8       B MR    ;A8=#80 ;.
       CJP EIBUS 2(#00) EXO DA A0         MR    ;ZERO=1 IF OK ;.
       CJP EIBUS 2(#01) EXO DA A1         MR ;.
       CJP EIBUS 2(#02) EXO DA A2         MR ;.
       CJP EIBUS 2(#04) EXO DA A3         MR ;.
       CJP EIBUS 2(#08) EXO DA A4         MR ;.
       CJP EIBUS 2(#10) EXO DA A5         MR ;.
       CJP EIBUS 2(#20) EXO DA A6         MR ;.
       CJP EIBUS 2(#40) EXO DA A7         MR ;.
       CJP EIBUS 2(#80) EXO DA A8         MR ;.
                       AND ZA A9       B MR ;.
                       SUB ZA A9       B MR    ;REG 9=#FF TEST 8 LINES ;.
       CJP EIBUS 2(#FF) EXO DA A9         MR ;.
 ;.
       ;****** TEST ABBUS ****** ;.
 ;.
                               A0 BA DAL MR    ;RAM DATA TO ABBUS ;.
       CJP EABBUS      EXO DA  A0 BA DAL MR    ;TEST IBUS=ABBUS ? ;.
                               A1 BA DAL MR    ;TRY ANOTHER BIT PATTERN ;.
       CJP EABBUS      EXO DA  A1 BA DAL MR ;.
                               A2 BA DAL MR ;.
       CJP EABBUS      EXO DA  A2 BA DAL MR ;.
                               A3 BA DAL MR ;.
       CJP EABBUS      EXO DA  A3 BA DAL MR ;.
                               A4 BA DAL MR ;.
       CJP EABBUS      EXO DA  A4 BA DAL MR ;.
                               A5 BA DAL MR ;.
       CJP EABBUS      EXO DA  A5 BA DAL MR ;.
                               A6 BA DAL MR ;.
       CJP EABBUS      EXO DA  A6 BA DAL MR ;.
                               A7 BA DAL MR ;.
       CJP EABBUS      EXO DA  A7 BA DAL MR ;.
                               A8 BA DAL MR ;.
       CJP EABBUS      EXO DA  A8 BA DAL MR ;.
                               A9 BA DAL MR ;.
       CJP EABBUS      EXO DA  A9 BA DAL MR ;.
 ;.
       ;****** CLEAR COMMAND REGISTER ****** ;.
 ;.
                       AND DZ  UNIT      MR    ;UNIT=00000000B ;.
 ;.
       ;****** TEST BUFFER RAM ****** ;.
 ;.
TRAM:          2(#55)  OR  DZ A14      B MR    ;REG 14 =#55 ;.
               2(#AA)  OR  DZ A13      B MR    ;REG 13 =#AA ;.
TRAM3: LDCT    1(#7F)  AND ZA A15      B MR    ;CLEAR ADDRESS POINTER ;.
TRAM1:                 OR  ZA A15        MR    ;PASS ADDRESS TO ABBUS ;.
               2(#55)  OR  ZA A15 WRA     MR    ;WRITE ENABLE LOW ;.
               2(#55)  OR  ZA A15           MR   ;.
                       OR   ZA A15 UPBY       MR    ;ADDRESS+1 OUT ;.
               2(#AA)  OR   ZA A15 UPBY WRA    MR    ;WRITE NEXT PATTERN ;.
   RPCT TRAM1  2(#AA) C ADD ZA A15 UPBY BA    MR    ;INCREMENT ADDRESS ;.
 ;.
       ;****** TEST RAM CONTENS ****** ;.
 ;.
       LDCT    1(#7F)  AND ZA A15      B MR    ;CLEAR POINTER ;.
TRAM2:                 OR  ZA A15 RAM LATCH  MR    ;LATCH LOWER ADDRESS.
       CJP ERAM        EXO DA A14 RAM LATCH MR ;.
                                  RAM       MR ;.
                       OR ZA A15 RAM UPBY LATCH MR ;LATCH UPPER ADDRESS.
       CJP ERAM        EXO DA A13 RAM LATCH MR ;.
       RPCT TRAM2    C ADD ZA A15 NIB    B MR  ;INCREMENT ADDRESS
 ;.
 ;.
       ;****** TEST H/W TIMER (256 MICROSEC ) ****** ;.
 ;.
TTIMER:                                         ;.
       LDCT    1(#95)  OR DZ COND      Q MR    ;LOAD TIMEOUT COUNTER ;.
               2(#80)  AND DQ A12      B MR ;.
TIME1:                  OR  DZ COND     Q MR ;.
               2(#80)  AND DQ          Q MR    ;TEST TIMER BIT ;.
       CJP TEDGE       EXO AQ A12        MR ;.
       RPCT TIME1                         MR    ;LOOP IN MAX 150 MICROSEC ;.
▶15◀       UNC CJP ETIMER                    MR ;.
 ;.
TEDGE: LDCT    1(#95)  OR  ZQ A12      B MR ;.
                       AND ZA A11      B MR    ;CLEAR REG.
TIM2:                  OR DZ COND      Q MR ;.
               2(#80) AND DQ           Q MR ;.
       CJP TEDGE1      EXO AQ A12        MR ;.
       RPCT TIM2     C ADD ZA A11      B MR ;REG11=REG11+1.
       UNC CJP ETIMER                    MR ;.
 ;.
TEDGE1:                OR  ZQ A12      B MR    ;UPDATE REG 12 ;.
              2(#57) C BUS DA A11      Q MR ;.
   CJP TEDGE3 2(#80)   AND DQ            MR ;.
   UNC CJP ETIMER                        MR.
TEDGE3:       2(#87) C SUB DA A11        MR    ;TEST LOWER AND UPPER LIMIT ;.
   CJP TIM3A  2(#80)   AND DQ            MR    ;JUMP IF GRETHER THAN UPPER ;.
   UNC CJP ETIMER                        MR.
 ;.
TIM3A: LDCT   1(#95)   AND DZ A11      B MR    ;CLEAR TIMER ;.
TIM3:                  OR  DZ COND     Q MR ;.
              2(#80)   AND DQ          Q MR ;.
     CJP TEDGE2        EXO AQ A12        MR ;.
     RPCT TIM3       C ADD ZA A11      B MR    ;INCREMENT TIMER REG.
     UNC CJP ETIMER                      MR ;.
 ;.
TEDGE2:                OR  ZQ A12      B MR    ;UPDATE R12 ;.
              2(#57) C BUS DA A11      Q MR    ;#57 = LOWER LIMIT ;.
   CJP TEDGE4 2(#80)   AND DQ            MR    ;TEST SIGNBIT ;.
   UNC CJP ETIMER                        MR.
TEDGE4:       2(#87) C SUB DA A11      Q MR    ;#87 = UPPER LIMIT ;.
   CJP TARSTO 2(#80)   AND DQ            MR    ;JUMP TO ERROR IF NOT OVERFLOW ;.
   UNC CJP ETIMER                        MR.
 ;.
 ;.
       ;****** TEST 1791 ******* ;.
       ;TEST AUTO RESTORE FACILITIES OF 1791 ;.
 ;.
TARSTO:                AND ZA A7       B MR    ;CLEAR INTERRUPT STATE REG ;.
                       AND ZA A8       B MR    ;CLEAR PORTSAVE AREA ;.
                       AND ZA A9       B MR    ;CLEAR COUNT REG ;.
                       AND ZA A10      B MR    ;CLEAR STPU STATE REG ;.
                       AND ZA A11      B MR    ;CLEAR TIMER PERIOD REG.
                       AND ZA A12      B MR    ;CLEAR TIMER NUMBER REG ;.
                       AND ZA A14      B MR    ;CLEAR TIMER COUNTER.
       LDCT   1(#28)   AND ZA A13      B MR    ;.
       RPCT LOC                                ;.
                                RIC STCM       ;.
   UNC  CJS W1STPU              RIC STCM       ;DUMMY READ STATUS (CLEAR INTRQ) WAIT UNTILL 1ST STPU.
STPU2: LDCT   1(#10)   OR  ZQ A10      B       ;.
       RPCT LOC          STBY                  ;WAIT 1 STEPPULS TIME.
RDCOND:                OR  DZ A8 COND    B     ;SAVE PORT PICTURE I R8 ;.
               2(#40)  AND DA A8       Q       ;TEST STPU BIT ;.
     CJP PSSTPU        IAN AQ A10              ;JUMP IF POS EDGE ;.
                       OR  ZQ A10       B              ;UPDATE STPU STATE REG ;.
 ;.
TIMTST:        2(#80)  AND DA A8       Q       ;TEST TIMER BIT ;.
     CJP PSTIM         IAN AQ A13              ;JUMP IF POS EDGE ;.
                       OR  ZQ A13       B              ;UPDATE STATE REG ;.
 ;.
INTTST:        2(#02)  AND DA A8       Q       ;TEST INTRQ BIT ;.
     CJP PSINT         IAN AQ A7 ;.
 UNC CJP RDCOND        OR  ZQ A7       B       ;UPDATE INT STATE REG ;.
 ;.
PSINT: UNC CJP E1791 ;.
 ;.
PSSTPU: LDCT   1(#10) ;.
        RPCT LOC ;.
                       OR  ZQ A10 STBY  B      ;WAIT 4 MICROSEC (TSTPU) ;.
              2(#35) C BUS DA A14      Q ;.
    CJP ULTST 2(#80)   AND DQ                  ;TEST SIGNBIT ;.
    UNC CJP E1791.
ULTST:        2(#40) C SUB DA A14      Q       ;TEST UPPER LIMIT ;.
    CJP PSTP1 2(#80)   AND DQ ;.
    UNC CJP E1791.
PSTP1:                 AND ZA A14       B ;.
                     C ADD ZA A9        B      ;INCREMENT STPU COUNTER ;.
   CJP TIMTST 2(#FE) C SUB DA A9 ;.
   CJP E1791  2(#3A) C SUB DA A12              ;TEST TIMER MS-BYTE ;.
   UNC CJP INTRQ ;.
 ;.
PSTIM:                 OR  ZQ A13       B      ;UPDATE TIMER STATE REG ;.
                     C ADD ZA A14       B      ;INCREMENT PERIOD CNT ;.
                     C ADD ZA A11       B      ;INCREMENT LS-TIMER CNT ;.
   CJP INTTST 2(#FF) C SUB DA A11              ;TEST LOWER TIMER BYTE ;.
                     C ADD ZA A12       B ;.
   CJP INTTST 2(#3B) C SUB DA A12              ;TEST UPPER TIMER BYTE ;.
   CJP E1791  2(#FE) C SUB DA A9               ;TEST STPU CNT ;.
INTRQ:                 AND ZA A6        B      ;CLEAR LOOP COUNTER.
INTWT: LDCT 1(#138)  C ADD ZA A6        B      ;INCREMENT LOOP COUNTER.
       RPCT LOC        OR  DA A8 COND   B      ;READ INPUT REGISTER.
   CJP INTOK  2(#02)   AND DA A8               ;TEST INTRQ FROM 1791 ;.
       CJP INTWT       OR  ZA A6               ;LOOP UNTILL R6=00.
   UNC CJP E1791                                   ;.
INTOK:                           RIC STCM ;.
                       OR  DZ    RIC STCM      ;READ STATUS FROM 1791 ;.
   CJP TTKSD  2(#10)   AND DQ           Q      ;TEST SEEK ERROR BIT ;.
   UNC CJP E1791                                          ;.
 ;.
       ;****** TEST TRACK - SECTOR - DATA REGISTERS ****** ;.
TTKSD:
                       AND ZA A0        B      ;CLEAR COUNT REG.
TKLOOP:                          WIC TRK ;.
                                 WIC TRK ;.
                       OR  ZA A0 WIC TRK       ;WRITE <A0> TO TRACK REG ;.
        LDCT 1(#28)    OR  ZA A0     TRK.
        RPCT LOC                               ;WAIT 10 MICROSEC.
                                 RIC TRK ;.
                                 RIC TRK ;.
   CJP E1791           EXO DA A0 RIC TRK DAL   ;READ BACK AND COMPARE ;.
                     C ADD ZA A0 NIB TRK B     ;NEXT TRACK COMBINATION ;.
   CJP TKLOOP          OR  ZA A0               ;LOOP UNTILL R0=0.
SCLOOP:                          WIC SCT ;.
                                 WIC SCT ;.
                       OR  ZA A0 WIC SCT       ;WRITE <A0> TO SECTOR REG ;.
        LDCT 1(#28)    OR  ZA A0     SCT.
        RPCT LOC                               ;WAIT 10 MICROSEC.
                                 RIC SCT ;.
                                 RIC SCT ;.
   CJP E1791           EXO DA A0 RIC SCT DAL   ;READ BACK AND COMPARE ;.
                     C ADD ZA A0 NIB SCT B     ;NEXT SECTOR COMBINATION ;.
   CJP SCLOOP          OR  ZA A0               ;LOOP UNTILL R0=00.
DTLOOP:                          WIC DAT ;.
                                 WIC DAT ;.
                       OR  ZA A0 WIC DAT       ;WRITE <A0> TO DATA REG ;.
        LDCT 1(#28)    OR  ZA A0     DAT.
        RPCT LOC                               ;WAIT 10 MICROSEC.
                                 RIC DAT ;.
                                 RIC DAT ;.
   CJP E1791           EXO DA A0 RIC DAT DAL   ;READ BACK AND COMPARE ;.
                     C ADD ZA A0 NIB DAT B     ;NEXT DATA COMBINATION ;.
   CJP DTLOOP          OR  ZA A0               ;LOOP UNTILL R0=00.
 ;.
       ;****** TEST HEAD LOAD TIMER FUNCTION ****** ;.
 ;.
                                 WIC TRK.
               2(#4C)  OR  DZ    WIC TRK.
               2(#4C)  OR  DZ        TRK.
               2(#7D)  OR  DZ    WIC STCM      ;ONE STEPOUT CMD ;.
   LDCT 1(#70) 2(#7D)  OR  DZ    WIC STCM      ;"H","U","V" SET ;.
   RPCT LOC    2(#7D)  OR  DZ        STCM      ;WAIT 28 MICROSEC.
               2(#40)  OR  DZ    UNIT          ;SET HLT ;.
   UNC CJS W1STPU      AND ZA A10       B      ;WAIT UNTILL 1ST STPU.
   LDCT       1(#10) ;.
   RPCT LOC                                    ;WAIT 4 MICROSEC ;.
                                 RIC STCM STBY ;CLEAR STPU LATCH ;.
                                 RIC STCM ;.
                       OR DZ     RIC STCM DAL Q ;READ STATUS ;.
                                 NIB STCM ;.
   CJP RDTRK  2(#20)   AND DQ    RIC TRK       ;TEST HLD*HLT ;.
   UNC CJP E1791                               ;ERROR EXIT IF NOT TRUE.
RDTRK:                            RIC TRK ;.
                       OR DZ     RIC TRK DAL Q ;READ TRACK REG ;.
   CJP E1791  2(#4B)   EXO DQ    NIB TRK       ;TEST AUTO DCR OF TRACK REG ;.
                                 WIC STCM ;.
                                 WIC STCM ;.
               2(#D0)  OR  DZ    WIC STCM      ;SEND FORCE INTERRUPT ;.
   LDCT 1(#70) 2(#D0)  OR  DZ        STCM.
   RPCT LOC                                    ;WAIT 28 MICROSEC ;.
                                 RIC STCM ;.
                                 RIC STCM ;.
                       OR  DZ    RIC STCM DAL Q ;READ STATUS FROM 1791 ;.
                                 NIB STCM ;.
   CJP E1791  2(#01)   AND DQ                  ;TEST BUSY CLEARING ;.
 ;.
 ;.
       ;****** CLEAR RAM ****** ;.
 ;.
   LDCT      1(#7F)    AND ZA A15       B ;.
RAMCL:                 OR  ZA A15              ;ADDRESS OUT ;.
              2(#00)   OR  ZA A15 WRA         ;WRITE ZERO TO RAM ;.
              2(#00)   OR  ZA A15.
                       OR  ZA A15 UPBY.
              2(#00)   OR  ZA A15 UPBY WRA     ;CLEAR UPPER BYTE.
   RPCT RAMCL 2(#00) C ADD ZA A15 UPBY  BA     ;INCREMENT ADDRESS ;.
 ;.
       ;******   END OF BUILD IN TEST (BIT)   ****** ;.
 ;.
 ;.
 ;.
 ;.
 ;.
 ;.
                    AND DZ A12          B  STBY ;.
                    2(1) OR DZ A15      B▶15◀            ;PRESET ARQ BITMASK ;.
                    2(#80) OR DZ A7     B            ;   ;.
                    2(#40) OR DZ A5     B WIC        ;   ;.
                    2(#D0) OR DZ        WIC          ;   ;.
                    2(#D0) OR DZ                     ;   ;.
   UNC PCLC 1(34)   AND DZ A8           B            ;   ;.
       RFCT         AND ZA A11          B            ;   ;.
                    2(#F0) OR DZ A4     B            ;   ;.
   UNC CJS GETSTA   2(128) OR DZ A0     B            ; HEAD POS UNKNOWN   ;.
       CJP LOCM1    2(1) AND DQ                      ;   ;.
                    2(128) OR DZ A1     B            ; HEAD POS UNKNOWN   ;.
                    2(128) OR DZ A2     B            ; HEAD POS UNKNOWN   ;.
                    2(128) OR DZ A3     B            ; HEAD POS UNKNOWN   ;.
                    2(#7F) AND DA A7    B            ;   ;.
                    AND DZ A5           B CLBY       ;   SEND BIT END INTERRUPT.

      ;********    READY TO PERFORM COMMANDS   **********.

NODEC: ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
       LDCT 1(77)                                    ;   ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
       RPCT LOCM1   COND EXO DA A10     Q            ;   ;.
       CJP NODEC    2(#80) AND DQ                    ; TEST TIMER   ;.
                    2(#80) EXO DA A10   B            ; CHANGE OLD TIMER   ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
       CJP NODEC    SUB ZA A9           B            ; DECR LOWER TIMER   ;.
                    SUB ZA A10          B            ; DECR UPPER TIMER   ;.
       CJP NODES    2(#7F) AND DA A10                ; UPPER = 0?   ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
                    2(#9F) AND DA A11   B            ;   ;.
                    AND DZ              UNIT         ;   ;.
NODES: ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
                    RDY OR DZ           Q            ;   ;.
                    2(#F0) OR DQ A14    B            ; STORE NEW RDY3:0   ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
       CJP CHINT    IAN AQ A4           Q            ; DISK CHANGE ?   ;.
STNEW: ;.
                    A14 OR ZA           Q            ; NEW   ;.
                    OR ZQ A4            B            ; OLD:=NEW   ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
   UNC CJP NODEC                                     ;   ;.
 ;.
CHINT: ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
                    2(#80) OR DA A7     B            ;   ;.
   UNC CJP STNEW    OR AQ A5            B CLBY       ; DISK CHANGE INTERRUPT   ;.
 ;.
 ;********************************************************************  ;.
START: ;.
                    RU OR DZ A14        B DL STBY    ;   ;.
                    2(#40) OR DA A5     B            ;   ;.
                    2(#F) AND DA A5     Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ;   ;.
                    ADD ZQ A10          B            ;   ;.
   UNC CJS OGTSTA   2(#80) OR DA A7     B            ;   ;.
 ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP NOT0     2(3) AND DA A14                  ;   ;.
                    A0 OR ZA            Q            ;   ;.
   UNC CJP LDNEU    2(1) OR DZ A9      B            ; DECODED NEW UNIT   ;.
NOT0: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP UN2OR3   2(2) AND DA A14                  ;   ;.
                    A1 OR ZA            Q            ;   ;.
   UNC CJP LDNEU    2(2) OR DZ A9      B            ;   ;.
UN2OR3: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP UN3      2(1) AND DA A14                  ;   ;.
                    A2 OR ZA            Q            ;   ;.
   UNC CJP LDNEU    2(8) OR DZ A9      B            ;   ;.
UN3: ;.
                    A3 OR ZA            Q            ;   ;.
   UNC CJP LDNEU    2(16) OR DZ A9     B            ;   ;.
 ;.
LDNEU: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                                        TRK WIC      ;   ;.
                    OR ZQ                  TRK WIC   ;   ;.
                    OR ZQ               TRK          ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#80) AND DQ A13   B            ; R13 NOT ZERO MEANS
                                                       TRK UNDEFINED   ;.
                    A9 OR ZA           Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP SAMEUN   A11 AND AQ                       ;   ;.
                    OR ZQ A11           B            ; NEW UNIT   ;.
SAMEUN: ;.
                    OR ZA A13           Q            ;SAVE R13 IN Q REG.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS.
                    OR ZQ A9            B            ;UNDEF TO R9.
       CJP ILLCOM   2(#80) AND DA A14                ;NO DOUBLLE DENS IN THIS FIRMWARE VERSION.
                    2(#84) AND DA A14   Q            ; DENS,SIDE   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(128) EXO DQ       Q            ; /DENS,SIDE   ;.
                    2(#7B) AND DA A11   B            ;   ;.
                    A11 OR AQ           B            ; SET DENS,SIDE I REG11   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
 ;.
       CJP NSELEC   2(#78) AND DA A14                ;   ;.
 ;.
;OPERATION "SELECT"   ;.
 ;.
                    2(#FB) AND DA A11   UNIT         ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                                        STCM WIC     ;   ;.
                    2(#D0) OR DZ        STCM WIC     ;   ;.
   UNC PCLC 1(16)   2(#D0) OR DZ        STCM         ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       RFCT                                          ; DELAY FROM LOAD COMMAND
                                                       TO READ STATUS   ;.
   UNC CJS GETSTA                       ;   ;.
       CJS AUTO6    2(1) AND DQ                      ;   ;.
       CJS AUTO11   2(#80) AND DQ                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS AUTO8    2(#40) AND DQ                    ;   ;.
                    2(#4F) AND DA A5    B            ;   ;.
                    COND OR DZ          Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS ADDI7    2(#10) AND DQ                    ;   ;.
   UNC CJP COMSLT                                    ;   ;.
 ;.
NSELEC: ;.
   UNC CJS CHKRDY                                    ;   ;.
   UNC CJS CHKWAS   A10 IAN AQ          Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP REAWRI   2(#18) AND DA A14                ;   ;.
       CJP RESTOR   2(#58 AND DA A14                 ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
 ;.
; OPERATION "SEEK"   ;.
 ;.
       CJP SEER     2(128) AND DA A6                 ;   ;.
                    2(#33) ADD DA A6    Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP SEER     2(128) AND DQ                    ;   ;.
       CJS EXECRS   A9 ADD ZA                        ; EXECUTE A RESTORE,
                                                       IF TRACK IS UNDEFINED   ;.
   UNC CJS TRKDIF   2(#FB) AND DA A11   UNIT         ;   ;.
NOLOAD: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ A13      B            ;8047D MOD  ;.
       CJP TP850U   2(8) AND DA A13                  ;                  *******  ;.
                    2(5)  ADD DQ        Q            ;                  *******  ;.
TESTUN: ;.
       CJP UNLOAD   2(#80) AND DQ                    ;   ;.
TESTSI: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ A13 B                 ;8047D MOD  ;.
       CJP TWOSI    2(#10) AND DA A13                ;   ;.
       CJP INVSI    2(4) AND DA A11                  ;   ;.
TWOSI: ;.
   UNC CJP LDNWTK   A11 OR ZA           UNIT         ;   ;.
TP850U:                                              ;                  *******  ;.
   UNC CJP TESTUN   2(16) ADD DQ        Q            ;                *********  ;.
UNLOAD: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJP TESTSI   2(#9F) AND DA A11   B            ;   ;.
 ;.
LDNWTK: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                                        DAT WIC      ;   ;.
                    A6 OR ZA            DAT WIC      ;   ;.
                    A6 OR ZA            DAT          ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS WASIDE                                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ A13 B                 ;8047D MOD  ;.
       CJP TP850S   2(8) AND DA A13     STCM WIC     ;   ;.
                    2(#1E) OR DZ        STCM WIC     ;                  *******  ;.
   UNC CJP SECMLD   2(#1E) OR DZ        STCM         ;   ;.
TP850S:                                              ;                  *******  ;.
                    2(#1C) OR DZ        STCM WIC     ;   ;.
                    2(#1C) OR DZ        STCM         ;                  *******  ;.
SECMLD: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP HLDON    2(#20) AND DA A11                ;   ;.
       LDCT 1(100)                                   ;   ;.
WAHDLD: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ          Q            ;   ;.
       CJP STEPPU   2(#40) AND DQ                    ;   ;.
       CJP SEEKOV   2(2) AND DQ                      ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    A10 EXN AQ          Q            ;   ;.
       CJP WAHDLD   2(#80) AND DQ                    ;   ;.
       RPCT WAHDLD  2(#80) EXO DA A10   B            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#84) AND DA A7    B            ;   ;.
                    2(#C0) OR DA A7     B            ;   ;.
   UNC CJP ABEND    AND DZ A8           B            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
 ;.
STEPPU: ;.
   UNC CJS TRKDIF                                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ;   ;.
                    A11 OR ZA           UNIT         ;   ;.
   UNC CJS CHKRDY                                    ;   ;.
   UNC CJS UPDCHG                                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ;   ;.
   UNC CJP SECMLD                                    ;   ;.
 ;.
HLDON: ;.
   UNC CJS DELHLT                                    ;   ;.
SEEKOV: ;.
   UNC CJS GETSTA                                    ;   ;.
                    2(#4F) AND DA A5    B            ;   ;.
       CJS AUTO6    2(1) AND DQ                      ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS AUTO1    2(8) AND DQ                      ;   ;.
       CJS AUTO12   2(#10) AND DQ                    ;   ;.
       CJS AUTO11   2(#80) AND DQ                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(1) OR DA A7       B            ;   ;.
       CJS SENOCP   2(#42) AND DA A7                 ;   ;.
       CJS SENOCP   2(#18) AND DA A8                 ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJP COMSLT                                    ;   ;.
 ;.
 ; OPERATION " RESTORE"   ;.
RESTOR: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP ILLCOM   2(#38) AND DA A14                ;   ;.
   UNC CJS EXECRS                                    ;   ;.
   UNC CJP COMSLT                                    ;   ;.
 ;.
 ; OPERATION "READ" OR "WRITE"   ;.
REAWRI: ;.
       CJS CHKREA   2(#50) AND DA A14                ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#FB) AND DA A11   UNIT SCT WIC ;   ;.
                    A6 OR ZA            SCT WIC      ;   ;.
                    A6 OR ZA            SCT          ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ          Q            ;   ;.
       CJP TWOSRW   2(#10) AND DQ                    ;   ;.
       CJP INVSRW   2(4) AND DA A11                  ;   ;.
TWOSRW: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS WASIDE   A11 OR DA 2(#20)    B UNIT       ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#80) OR DZ        Q            ;   ;.
       CJP RWCM     2(#10) AND DA A14                ;   ;.
                    2(#21) OR DQ        Q            ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP RWCM     2(#20) AND DA A14                ;   ;.
                    2(#FE) AND DQ       Q            ;   ;.
RWCM: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    AND DZ A12          B STCM WIC   ;   ;.
                    OR ZQ               STCM WIC     ;   ;.
                    OR ZQ               STCM         ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS WRIUPP   2(1) OR DZ A9       B            ;   ;.
RWCMLD: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       LDCT 1(275)                                   ;   ;.
WAITIN: ;.
                    COND OR DZ          Q            ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS DRQSRV   2(4) AND DQ                      ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP RWOVER   2(2) AND DQ                      ;   ;.
                    A10 EXN AQ          Q            ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP WAITIN   2(#80) AND DQ                    ;   ;.
       RPCT WAITIN  2(#80) EXO DA A10   B            ;   ;.
 ;.
       LDCT INVSRW  COND OR DZ          Q            ;   ;.
 ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS DRQSRV   2(4) AND DQ                      ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS UPDCHG   2(#40) OR DA A11    B UNIT       ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ          Q            ;   ;.
       CJS DRQSRV   2(4) AND DQ                      ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS CHKRDY   2(#7F) AND DA A10   B            ;   ;.
       JRP  RWCMLD  A10 SUB ZA          B            ;   ;.
 ;.
RWOVER: ;.
   UNC CJS GETSTA   AND DZ A12          B            ;   ;.
       CJS AUTO6    2(1) AND DQ                      ;   ;.
       CJS AUTO11   2(#80) AND DQ                    ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS AUTO8    2(#40) AND DQ                    ;   ;.
       CJS AUTO5    2(#10) AND DQ                    ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS CRCERR   2(8) AND DQ                      ;   ;.
                    2(#4F) AND DA A5    B            ;   ;.
       CJS ADDI4    2(#20) AND DQ                    ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS ADDI5    2(4) AND DQ                      ;   ;.
   UNC CJP COMSLT                                    ;   ;.
 ;.
SEER: ;.
                    2(#84) AND DA A7    B            ;   ;.
                    2(#10) OR DZ A8     B            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJP COMSLT   2(#4F) AND DA A5    B            ;   ;.
 ;.
INVSI: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#84) AND DA A7    B            ;   ;.
                    2(#10) OR DZ A8     B            ;   ;.
ABEND: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS CHKRDY   2(#4F) AND DA A5    B            ;   ;.
ABP2: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                                        WIC          ;   ;.
                    2(#D0) OR DZ        WIC          ;   ;.
   UNC CJS OGTSTA   2(#D0) OR DZ                     ;   ;.
       CJP LOCM1    2(1) AND DQ                      ;   ;.
   UNC CJP COMSLT                                    ;   ;.
INVSRW: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#80) AND DA A8    B      ;CLEAR AUTO STATUS EXCEPT PE ;.
                    2(#84) AND DA A7    B            ;   ;.
   UNC CJP ABEND    2(#20) OR DZ A7     B            ;   ;.
 ;.
 ;.
ILLCOM: ;.
                    2(#80) AND DA A8    B      ;CLEAR AUTO STATUS EXCEPT PE  ;.
                    2(#84) AND DA A7    B            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(4) OR DZ A7       B            ;   ;.
                    2(#4F) AND DA A5    B            ;   ;.
 ;.
COMSLT: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    TRK RIC                          ;   ;.
                    TRK RIC                          ;   ;.
                    TRK RIC DAL OR DZ   Q            ;   ;.
       CJS SVMB3    TRK COND AND DA A15              ;   ;.
       CJP SAUN0    2(1) AND DA A11                  ;   ;.
       CJP SAUN1    2(2) AND DA A11                  ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP SAUN2    2(8) AND DA A11                  ;   ;.
       CJP SAUN3    2(16) AND DA A11                 ;   ;.
 ;.
FENEU: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP ADDNZ    2(#BF) AND DA A5    B   CLBY     ;   ;.
                    2(#7F) AND DA A7    B            ;   ;.
ADDNZ: ;.
   UNC ENLO                                          ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC ENLO                                          ;   ;.
   UNC ENLO                                          ;   ;.
   UNC ENLO         2(15) OR DZ A10     B            ;   ;.
       CJS SVMB0    COND AND DA A15                  ;   ;.
   UNC CJP NODEC    AND DZ A9           B            ;   ;.
 ;.
SAUN0: ;.
   UNC CJP FENEU    OR ZQ A0            B            ;   ;.
SAUN1: ;.
   UNC CJP FENEU    OR ZQ A1            B            ;   ;.
SAUN2: ;.
   UNC CJP FENEU    OR ZQ A2            B            ;   ;.
SAUN3: ;.
   UNC CJP FENEU    OR ZQ A3            B            ;   ;.
 ;.
;*****************************************************<  ;.
 ;.
 ;.
OGTSTA: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    RIC                              ;   ;.
                    RIC                              ;   ;.
                    RIC DAL OR DZ       Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET                                          ;   ;.
 ;.
; SUBROUTINE "GETSTATUS"   ;.
GETSTA: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#84) AND DA A7    B STCM RIC   ;   ;.
                    AND DZ A8           B STCM RIC   ;   ;.
                    DAL OR DZ           Q STCM RIC ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET                                          ;   ;.
 ;.
 ; SUBROUTINE "EXECUTE A RESTORE OPERATION"   ;.
EXECRS:                                              ;   ;.
   UNC CJS UPDCHG   2(#9B) AND DA A11   B UNIT       ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS WASIDE                                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ A13      B            ;   ;.
       CJP TP850R   2(8) AND DA A13     STCM WIC     ;                  *******  ;.
                    2(#E) OR DZ         STCM WIC     ;   ;.
   UNC CJP RSCMLD   2(#E) OR DZ         STCM         ;   ;.
TP850R:                                              ;                  *******  ;.
                    2(#C) OR DZ         STCM WIC     ;   ;.
                    2(#C) OR DZ         STCM         ;   ;.
RSCMLD: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       LDCT 1(100)                                   ;   ;.
WANOST: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ          Q            ;   ;.
       CJP STEPRS   2(#40) AND DQ                    ;   ;.
       CJP RESTOV   2(2) AND DQ                      ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    A10 EXN AQ          Q            ;   ;.
   CJP WANOST       2(#80) AND DQ                    ;   ;.
       RPCT WANOST  2(#80) EXO DA A10   B            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#20) OR DA A11    B UNIT       ;   ;.
   UNC CJS DELHLT                                    ;   ;.
RESTOV: ;.
   UNC CJS GETSTA                                    ;   ;.
                    2(#4F) AND DA A5    B            ;   ;.
       CJS AUTO6    2(1) AND DQ                      ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS AUTO1    2(8) AND DQ                      ;   ;.
       CJS AUTO11   2(#80) AND DQ                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJS RESTER   2(#10) AND DQ                    ;   ;.
       CJPP COMSLT  2(#7B) AND DA A7                 ;   ;.
       CJPP COMSLT  A8 ADD ZA                        ;   ;.
       CJS SVMB3    COND AND DA A15                  ;   ;.
   UNC CRET                                          ;   ;.
 ;.
STEPRS: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS CHKRDY                                    ;   ;.
   UNC CJS UPDCHG                                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJP RSCMLD                                    ;   ;.
 ;.
 ;.
; SUBROUTINES FOR SETTING STATUSBITS   ;.
SENOCP: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#FE) AND DA A7    B            ;   ;.
AUTO1: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(2) OR DA A7       B            ;   ;.
CRCERR: ;.
       CJP AUTO1    2(#10) AND DQ                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#10) OR DA A7     B            ;   ;.
AUTO5: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#20) OR DA A7     B            ;   ;.
AUTO6: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#40) OR DA A7     B            ;   ;.
AUTO8: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(1) OR DA A8       B            ;   ;.
AUTO11: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(8)   OR DA A8     B            ;   ;.
AUTO12: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#10) OR DA A8     B            ;   ;.
RESTER: ;.
       CJP AUTO12   2(4) AND DQ                      ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#20) OR DA A8     B            ;   ;.
 ;.
ADDI4: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#10) OR DA A5     B            ;   ;.
ADDI5: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#20) OR DA A5     B            ;   ;.
ADDI7: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#80) OR DA A5     B            ;   ;.
 ;.
; SUBROUTINE "CALCULATE TRACK DIFFERENCE"   ;.
TRKDIF: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                                        TRK RIC      ;   ;.
                                        TRK RIC      ;   ;.
                    DAL C SUB DA A6     Q TRK RIC    ;   ;.
       CJS SVMB3    COND AND DA A15     TRK          ;   ;.
       CJP NEGATI 2(#80) AND DQ                      ;   ;.
                    C BUS ZQ            Q            ;   ;.
NEGATI: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ A13      B            ;   ;.
       CJP TP850L   2(8) AND DA A13                  ;                  *******  ;.
                    2(2) ADD DQ         Q            ;                  *******  ;.
TESTLD: ;.
       CRET         2(#80) AND DQ                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         2(#20) OR DA A11    B            ;   ;.
TP850L: ;.
   UNC CJP TESTLD   2(7) ADD DQ         Q            ;                    *****  ;.
 ;.
; SUBROUTINE "DELAY HLT"   ;.
DELHLT: ;.
       LDCT 1(275)                                   ;   ;.
WAHLT: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    COND OR DZ          Q            ;   ;.
       CRET         2(2) AND DQ                      ;   ;.
                    A10 EXN AQ          Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP WAHLT    2(#80) AND DQ                    ;   ;.
   UNC CJS CHKRDY   2(#80) EXO DA A10   B            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       RPCT WAHLT                                    ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJS UPDCHG   2(#40) OR DA A11    B UNIT       ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJP DELHLT                                    ;   ;.
 ;.
; SUBROUTINE "UPDATE CHANGE BITS"   ;.
UPDCHG: ;.
                    RDY OR DZ           Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(#F0) OR DQ A13    B            ;   ;.
       CJP CHINT3   A4 IAN AQ           Q            ;   ;.
STNEW3: ;.
                    A13 OR ZA           Q STBY       ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CRET         OR ZQ A4            B            ;   ;.
CHINT3: ;.
                    OR AQ A5            B CLBY       ;   ;.
   UNC CJP STNEW3   2(#80) OR DA A7     B            ;   ;.
 ;.
; SUBROUTINE "CHECK READY"   ;.
CHKRDY: ;.
       CJP MSKRDY   2(1) AND DA A11     Q            ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP MSKRDY   2(2) AND DA A11     Q            ;   ;.
       CJP RDY2     2(8) AND DA A11                  ;   ;.
   UNC CJP MSKRDY   2(8) OR DZ          Q            ;   ;.
RDY2: ;.
                    2(4) OR DZ          Q            ;   ;.
MSKRDY: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    RDY OR DZ A13       B            ;   ;.
       CRET         A13 AND AQ          Q            ;   ;.
                    2(#84) AND DA A7    B            ;   ;.
NOTRDY: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJPP ABP2    2(8) OR DZ A8       B            ;   ;.
 ;.
 ; SUBROUTINE "CHECK WAS READY",
   CHECKS THAT DRIVE WAS READY AND NOT IN DISK CHANGE STATUS, WHEN CURRENT
   OPERATION WAS REQUESTED   ;.
CHKWAS: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(63) ADD DZ A10    B            ;   ;.
  UNC  CRET         A4 AND AQ                        ;   ;.
   UNC CJP  NOTRDY  2(#84) AND DA A7    B            ;   ;.
 ;.
; SUBROUTINE "CHECK READ COMMAND"   ;.
CHKREA: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP ILLCOM   2(#68) AND DA A14                ;   ;.
   UNC CRET                                          ;   ;.
 ;.
; SUBROUTINE " WAITE SIDE SELECTION"   ;.
WASIDE: ;.
                    2(#80) OR DZ        Q            ;   ;.
       CJP TIM1     COND AND DQ                      ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP LOCM1    COND IAN DQ                      ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP LOCM1    COND AND DQ                      ;   ;.
   UNC CRET                                          ;   ;.
TIM1: ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP LOCM1    COND AND DQ                      ;   ;.
       CJS SVMB3    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP LOCM1    COND IAN DQ                      ;   ;.
   UNC CRET                                          ;   ;.
 ;.
; SUBROUTINE "DRQ-SERVICE "   ;.
DRQSRV: ;.
       CJP WRIDAT   2(8) AND DA A14                  ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(63) OR DA A10     B DAT RIC    ;   ;.
                                        DAT RIC      ;   ;.
                    DAL EXN DZ A6       B DAT RIC    ;   ;.
       CJS SVMB4    COND AND DA A15     DAT          ;   ;.
       CJP REALOW   2(1) EXO DA A9      B            ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJP COMREA   UPBY A12 ADD ZA     BA LATCH     ;   ;.
REALOW: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    A12 C ADD ZA        BA LATCH     ;   ;.
COMREA: ;.
                    OR ZA DAL A6        BA LATCH WRA ;   ;.
   UNC CRET         OR ZA DAL A6        BA LATCH     ;   ;.
WRIDAT: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    2(63) OR DA A10     B DAT WIC    ;   ;.
                    A6 OR ZA            BA DAT WIC   ;   ;.
                    A6 OR ZA            BA DAT       ;   ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
       CJP WRIUPP   2(1) EXO DA A9      B            ;   ;.
WRILOW: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
   UNC CJP COMWRI   A12 C ADD ZA        BA LATCH RAM ;   ;.
WRIUPP: ;.
       CJS SVMB4    COND AND DA A15                  ; REQUEST FROM MAINBUS ?   ;.
                    UPBY A12 ADD ZA     BA LATCH RAM ;   ;.
COMWRI: ;.
                   EXN DZ A6            B LATCH RAM  ;   ;.
   UNC CRET         NIB                              ;   ;.
 ;.
;*****************************************************<  ;.
 ;.
RAUTO: ;.
                    A7 OR ZA DAL        DL           ;   ;.
                   2(#FB) AND DA A7    B            ;   ;.
   UNC CRET        2(#7F) AND DA A8     B     ;RESET PROGRAM ERROR &PE ;.
RADDI: ;.
       CRET         2(#F0) AND DA A5    B            ;   ;.
   UNC CRET         2(#7F) AND DA A7    B            ;   ;.
RBUFF: ;.
                    UPBY A12 ADD ZA RAM BA     DU    ;   ;.
   UNC CRET         A12 C ADD ZA RAM    BA DL        ;   ;.
 ;.
WBUFF: ;.
       CJP WBUFF1   AND DA A13 RDY LATCH       ;TEST H/W SIGNAL PAROK.
                    ADD ZA A12 RU BA WRA.
                  C ADD ZA A12 RL BA           ;READ DATA FROM MAINBUS.
PERROR: ;.
       UNC CRET     2(#80) OR DA A8  DL B CLBY ;SEND PE INTERRUPT SET PE INAUTO STATUS ;.
WBUFF1:             ADD ZA A12 RU BA WRA.
       UNC CRET   C ADD ZA A12 RL BA DL        ;READ MAINBUS DATA RELEASE ARQ.
 ;.
XSTART: ;.
                    2(#80) OR DZ A13    B      ;BITMASK TO W13 ;.
       CJP XSTAR1   AND DA A13 RDY             ;TEST H/W SIGNAL PAROK ;.
   UNC CJP PERROR.
XSTAR1:
   UNC CJPP START   RL OR DZ A6         B      ;READ LOWER COMMAND BYTE ;.
 ;.
PTST: ;.
                    2(#80) OR DZ A13    B      ;BITMASK TO W13 ;.
       CJP PTST1    AND DA A13 RDY             ;TEST H/W SIGNAL PAROK ;.
   UNC CJP PERROR.
PTST1:
       UNC CRET     AND DZ A12          B DL   ;CLEAR POINTER SEND RS ;.
 ;.
IPTST: ;.
                    2(#80) OR DZ A13    B      ;BITMASK TO W13 ;.
       CJP IPTST1   AND DA A13 RDY             ;TEST H/W SIGNAL PAROK ;.
   UNC CJP PERROR.
IPTST1:
       UNC CRET     2(#04) OR DA A7     B DL   ;SET INVALID COMMAND IN AUTOSTATUS ;.
 ;.
SVMB0: ;.
       JMP BRNCH0   UPBY A12 ADD ZA     BA LATCH     ;   ;.
 ;.
SVMB4: ;.
SVMB3: ;.
       JMP BRNCH3   UPBY A12 ADD ZA     BA LATCH     ;   ;.
 ;.
 ;********************************************************************  ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
 ;********************************************************************  ;.
 ;.
BRNCH0: ;.
   UNC CJP RAUTO    A8 OR ZA DAL        DU           ;   ;.
   UNC CJP RADDI    A5 OR ZA DAL        DL           ;   ;.
   UNC CJP RBUFF    UPBY A12 ADD ZA RAM BA           ;   ;.
   UNC CJP RBUFF    UPBY A12 ADD ZA RAM BA           ;   ;.
   UNC CJP XSTART   2(#7F) AND DA A8    B            ;CLEAR PE FLAG ;.
   UNC CJP PTST     2(#7F) AND DA A8    B            ;CLEAR PE FLAG ;.
   UNC CJP WBUFF 2(#80) OR DZ A13 LATCH B            ;BITMASK TO REG 13.
   UNC CJP WBUFF 2(#80) OR DZ A13 LATCH B            ;BITMASK TO REG 13.
 ;.
 ;********************************************************************  ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
   5(0) 9(0) 13(0) 14(0) 15(0) 16(0) 17(0) 18(0) 20(0) ;   ;.
 ;********************************************************************  ;.
 ;.
BRNCH3: ;.
   UNC CJP RAUTO    A8 OR ZA DAL        DU           ;   ;.
   UNC CJP RADDI    A5 OR ZA DAL        DL           ;   ;.
   UNC CJP RBUFF    UPBY A12 ADD ZA RAM BA           ;   ;.
   UNC CJP RBUFF    UPBY A12 ADD ZA RAM BA           ;   ;.
   UNC CJP IPTST    2(#80) OR DA A13    B            ;BITMASK TO W13 ;.
   UNC CJP PTST     2(#7F) AND DA A8    B            ;CLEAR PE FLAG ;.
   UNC CJP WBUFF 2(#80) OR DZ A13 LATCH B            ;BITMASK TO REG 13.
   UNC CJP WBUFF 2(#80) OR DZ A13 LATCH B            ;BITMASK TO REG 13.
 ;. «a5»