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MFDSP$–Master File Directory Service Package A sample MASM program was developed which performs the preceding algorithm. It is designed to be called only once. . . A program to access all the main items in the Master File Directory . INCLUDE ‘MAXR$’ $(1) START* . LA,U A0,MFDPKT . Call ER MSCON$ to acquire a ER MSCON$ . copy of the directory SA A0,STATWORD . TZ,S3 STATWORD . Was MSCON$ erroneous? J ERROR . YES, exit with error DIROK . LA A0,(4400,DSPPKT) . Call MFDSP$ function 0 to LA,U A1,0 . initialize for DGET$ file LMJ X11,MFDSP$ . and return the address of . of the first lead item. J ERROR . A 0,X11 return means error. SZ A4 . Set a flag showing we have . not gotten lead item sector 1. NXTMAIN . LA A0,(4400,DSPPKT) . Call MFDSP$ function 4 LA,U A1,4 . (Get Next Main Item). LMJ X11,MFDSP$ . J ERROR . A 0,X11 return means error JZ A1,NOSNAP . IF A1=0, no Main Item found SA A0,SNAPPKT+2 . ELSE, print out sector 0 of SA,H2 A1,SNAPPKT+1 . the main item LA,U A0,SNAPPKT . ER SNAP$ . NOSNAP . TZ A1 . Was a Main Item found? J NXTMAIN . Yes, get the next one. TNE,U A4,1 . Have we already gotten . sector 1 of the lead item? J NEXTLEAD . YES, get the next lead item LA,U A4,1 . NO, set the flag to show . we’re getting sector 1 now. LA A0,(4400,DSPPKT) . LA,U A1,3 . Get sector 1 of lead item. LMJ X11,MFDSP$ . J ERROR . A 0,X11 return means error JZ A1,NOSNAP3 . IF A1=0, no find occurred. SA A0,SNAPPKT3+2 . ELSE, print out sector 1 of SA,H2 A1,SNAPPKT3+1 . the current lead item. LA,U A0,SNAPPKT3 . ER SNAP$ . 13–10 7833 1733–004
MFDSP$–Master File Directory Service Package NOSNAP3 . TZ A1 . Did we find a sector 1? J NXTMAIN . YES, get more main items NEXTLEAD . SZ A4 . Set the flag showing we have . not gotten lead item sect 1. LA A0,(4400,DSPPKT) . (We’re getting the next lead LA,U A1,2 . item now.) LMJ X11,MFDSP$ . J ERROR . A 0,X11 return means error JZ A1,EXIT . IF A1=0, no find occurred. SA A0,SNAPPKT2+2 . ELSE print out sector 0 of SA,H2 A1,SNAPPKT2+1 . the lead item. LA,U A0,SNAPPKT2 . ER SNAP$ . J NXTMAIN . Get the next main item. ERROR . L$SNAP ‘ERROR’,2 . An error occurred. ABORT. ER EABT$ . EXIT . er exit$ . exit the program. $(0) . SNAPPKT + ‘MAIN’ . The Main Item SNAP packet + 0200034000000 . Snap A-registers, 034 words, + 0 . start address gets filled in . in the code. SNAPPKT2 + ‘LEAD0’ . The Lead Item sector 0 SNAP + 0200034000000 . packet + 0 . SNAPPKT3 + ‘LEAD1’ . The Lead Item sector 1 SNAP + 0200034000000 . packet + 0 . STATWORD $RES 1 . MFDPKT + 015 . The packet needed for + ‘TDIR$’ . calling ER MSCON$ + 900 . + MFDBUF1,MFDBUF2 . + 0 . MFDBUF1 $RES 1792 . MFDBUF2 $RES 1792 . DSPPKT + ‘TDIR$’ . The packet needed for $RES 4398 . calling MFDSP$. $END START . 7833 1733–004 13–11
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OS 2200 System Service Routines Lib
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OS 2200 System Service Routines Lib
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Contents 4.2.5. Error Status Codes
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Contents 14.1.4. Reusable Processor
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Contents Section 19. SAR$ ATREAD ..
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Contents Section 23. SIR$-Symbolic
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Contents Appendix J. Obsolete Entry
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Figures xiv 7833 1733-004
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Tables 20-1. SAR$: PLUS COM Buffer
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Introduction 1.2. Notation Conventi
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Introduction Numbers are represente
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Introduction If you install SYSLIB
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System Standard Procedures and Defi
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SYSLIB Access Methods All the SYSLI
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SYSLIB Access Methods This type of
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SYSLIB Access Methods 3-6 7833 1733
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AEDIT$-ASCII Image Composition Edit
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BSP$-Program File Basic Service Pac
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CABSAD$, CRELAD$-Addressing Routine
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CONWRD$-Condition Word Routine Para
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CONWRD$-Condition Word Routine 7-4
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EDIT$-Fieldata Image Composition Ed
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EDIT$-Fieldata Image Composition Ed
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Page 134 and 135: FDASC$-Fieldata/ASCII Data Conversi
Page 136 and 137: FDASC$-Fieldata/ASCII Data Conversi
Page 138 and 139: GETPSF$-Get a Scratch File Routine
Page 144 and 145: ID$-Identification Line Routine Exe
Page 146 and 147: ID$-Identification Line Routine Bit
Page 148 and 149: ID$-Identification Line Routine Err
Page 150 and 151: ID$-Identification Line Routine 11.
Page 152 and 153: ID$-Identification Line Routine Bit
Page 154 and 155: ID$-Identification Line Routine 11.
Page 156 and 157: ID$-Identification Line Routine err
Page 158 and 159: INFOR$-Internal Format Table Interf
Page 170 and 171: MFDSP$-Master File Directory Servic
Page 182 and 183: PREPRM, PREPRO, PREPF$, and POSTPR$
Page 196 and 197: ROR, ROR$-Relocatable Output Routin
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Page 216 and 217: SAR$-Symbolic Access Routines 16-14
Page 218 and 219: SAR$ READ 17.1.1.1. Required Inform
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SAR$ READ The default buffer and ta
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SAR$ READ 17.1.3.2. SAR_READ Proced
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SAR$ READ 17.1.3.4. Example The fol
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SAR$ READ Table 17-3. SAR$: READ Pr
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SAR$ READ 17.2. READ Function/MASM
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SAR$ READ SR$REQTYPE The requested
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SAR$ READ SR$CALLST The status code
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SAR$ READ SR$SDFICW The image contr
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SAR$ READ 17.2.3.1. Open-Input Proc
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SAR$ READ 17.2.3.3. Close-Input Pro
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SAR$ READ Table 17-6. SAR$: READ Pr
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SAR$ READ 17.3.3. ASCII/ISO with Em
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SAR$ WRITE The calling program must
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SAR$ WRITE 18.1.1.2. Optional Infor
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SAR$ WRITE OUTPUT_IMAGE_CHARACTER_T
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SAR$ WRITE LINE_NUMBER_INTEGER_PART
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SAR$ WRITE IMAGE_BYTE_LENGTH PLUS A
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SAR$ WRITE The default buffer and t
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SAR$ WRITE 18.1.3.2. SAR_WRITE Proc
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SAR$ WRITE S'Print_heading' Insert
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SAR$ WRITE 18.1.3.5. Example The fo
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SAR$ WRITE Table 18-3. SAR$: WRITE
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SAR$ WRITE Empty symbiont output fi
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SAR$ WRITE SW$OUTRECT The type of r
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SAR$ WRITE SW$ELTCDT For SDF elemen
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SAR$ WRITE 18.2.1.4. WRITE Packet D
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SAR$ WRITE • Optional parameters
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SAR$ WRITE Initial Condition The ca
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SAR$ WRITE Table 18-6. SAR$: WRITE
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SAR$ WRITE 18-36 7833 1733-004
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SAR$ ATREAD 19.1.1.1. Required Info
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SAR$ ATREAD Other character set typ
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SAR$ ATREAD OUTPUT_IMAGE_BYTE_LENGT
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SAR$ ATREAD 19.1.3. ATREAD Procedur
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SAR$ ATREAD • Attributes The addr
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SAR$ ATREAD Table 19-3. SAR$: ATREA
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SAR$ ATREAD SA$OTEXTB The address o
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SAR$ ATREAD 19.2.1.3. Information R
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SAR$ ATREAD 19.2.1.5. ATREAD Packet
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SAR$ ATREAD • Optional parameters
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SAR$ ATREAD S$ARATREAD does not spa
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SAR$ ATREAD Table 19-6. SAR$: ATREA
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SAR$ COM OUTPUT_TEXT_BUFFER_ADDRESS
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SAR$ COM INPUT_SELECT_LIST_ADDRESS
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SAR$ COM 20.1.1.3. Information Retu
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SAR$ COM 20.1.3. SAR$ COM Procedure
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SAR$ COM Table 20-3. SAR$: COM Proc
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SAR$ COM 20.2.1.2. Optional Informa
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SAR$ COM SC$RUNIDW1 The first four
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SAR$ COM Example $ASCII $INCLUDE
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SAR$ COM • Optional parameters (d
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SAR$ COM Table 20-5. SAR$: COM Proc
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SDFI, SDFO-System Data Format I/O R
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SFDT$-System Standard Format Date a
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SIR$-Symbolic Input/Output Routine
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Program Trace Routine • The follo
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Program Trace Routine Tracing can b
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Program Trace Routine In each of th
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Program Trace Routine In demand mod
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Program Trace Routine CAPTUR Enters
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Program Trace Routine T L B S E N D
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Program Trace Routine LINE Adjusts
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Program Trace Routine SET L N Print
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Program Trace Routine 24.5. Control
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Program Trace Routine 24-20 7833 17
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SOR-Symbolic Output Routine SOR ins
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SOR-Symbolic Output Routine 25.3. O
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SOR-Symbolic Output Routine 25.5. E
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Using SYSLIB A-2 7833 1733-004
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Diagnostic Messages x FILE NOT AVAI
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Diagnostic Messages SIR EDIT ERR c
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Diagnostic Messages B-6 7833 1733-0
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SYSLIB Restrictions C-2 7833 1733-0
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SYSLIB Elements Table D-1. SYSLIB E
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SYSLIB Elements Table D-1. SYSLIB E
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SYSLIB Elements D-6 7833 1733-004
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SYSLIB Common Bank Entry Points Tab
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SYSLIB Common Bank Entry Points Tab
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SYSLIB Common Bank Entry Points E-6
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Interface to Selected Extended Mode
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INFOR Information A field in the pr
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INFOR Information Word 0 Bits 0-9 T
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INFOR Information Bits 18-23 File C
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INFOR Information G.4. INFOR Table
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INFOR Information G-10 7833 1733-00
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ASCII-like Character Sets Table H-1
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ASCII-like Character Sets H-4 7833
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Extended Mode Interface to SYSLIB I
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Extended Mode Interface to SYSLIB T
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Extended Mode Interface to SYSLIB b
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Extended Mode Interface to SYSLIB P
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Obsolete Entry Points, PROCs, and R
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Related Product Information OS 1100
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Glossary Exec The kernel of the OS
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Glossary Problem list entry (PLE) A
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Index Fieldata characters, 8-1 floa
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Index read call, 21-8 SDFO close ca
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