z390development/z390

z390 Portable Mainframe Assembler and Emulator Project

z390

z390 mainframe assembler emulator and run-time engine

The z390 program product is a Java-based portable environment that supports:

1. HLASM compatible assembler and linkage editor
2. zCobol compiler
3. run-time emulator to run your assembled/compiled programs
4. QSAM support for access to sequential files in EBCDIC and/or ASCII
5. zVSAM component to emulate VSAM operation
6. zCICS support for emulated interactive programs
7. Scripted Regression Testing facility

Documentation

https://z390development.github.io/z390

Licenses and copyright

There are a number of licenses and copyrights used by z390. Unless provided below, z390 is GPL v2 and copyright z390 Assembler LLC

• structuredmacros/ - GPL v3 (c) Daniel H. Snyder
• barcode/ - GPL v3 (c) ABA Inc

z390's Issues

RPI 0810: Support font and background color in z390 GUI

Raised by SS 2008/02/22
Add support for user selected text and background color for GUI interface.

RPI 0246: Add List and Exec forms for File macros

Raised by Abe Kornelis 2006/03/20
Support list and execute forms of READ, WRITE, GET, PUT, POINT, CHECK. OPEN and CLOSE mored to RPI 1021.

RPI 0852: DISP=MOD option support for any sequential BSAM, QSAM, or VSAM output file.

Raised by Peter Koppany 2008/05/21
Add [DISP=MOD] option support for any sequential BSAM, QSAM, or VSAM output file. This already is supported as optional parm after file name on REPRO OUTFILEV DDNAME environment variable as documented in User Guide for v1.4.01.

RPI 0715: Support call Windows DLL library

Raised by TV 2007/10/09
Add svc support to call native Windows DLL entry routines. One promising method may be to usejawin open source project code. See https://sourceforge.net/projects/jawinproject/

RPI 0078: Add line characters to default code table

Raised by Don Higgins 2005/11/05
Research addition of line drawing characters to existing ASCII / EBCDIC default code table and add option for multiple code tables.

RPI 0152: RDJFCB macro support

Raised by DW 2006/01/04
Add RDJFCB macro and svc support to handle basic fields in JFCB which are supported by z390 DCB including RECFM, LRECL, BLKSIZE, and DSNAME. Note if DSNAME is used it then limits file name to 44 characters. Support is also added for DCB EXLST entry for JFCB at OPEN.

RPI 0104: Source level debugger

Raised by Don Higgins 2005/11/18
Add source level GUI debugger showing source code and correct MLC and MAC line numbers during execution.

1. Generate az390 XCS cross reference file associating each even CSECT offset with source file and line.
2. Generate lz390 XLC cross reference file associating each load module CSECT with corresponding XCS cross reference file.
3. Build ez390 XAL cross reference table in memory cross referencing each current load module with corresponding XLC and SCS source file information.
4. Add CSECT and offset information to TEST and TRACE output - see RPI 784.

RPI 0864: Installshield upgrade enhancements

Raised by Abe Kornelis 2008/06/17
Change InstallShield to default to prior install settings for name , company, install directory, etc.

RPI 0328: Add MHELP macro support

Raised by Abe Kornelis 2006/04/06
Add MHELP macro support for debugging

RPI 0692: IDCAMS Add initial LDS support

Raised by Don Higgins 2007/09/10
Add initial LDS support with new user option CONTROLINTERVALSIZE= on DEFINE CLUSTER to support reading fixed length records in fixed block format. Note z390 VSAM default is to not use CI or CA structures to avoid wasted space and overhead of blocking for random access. See RPI 693 for planned caching to address sequential access performance.

RPI 0794: Incremental software updates

Raised by Abe Kornelis 2008/01/17
Change PTF delivery packaging to include all changed files since last full release including regression test sources.

RPI 0253: Improve statement and comment split in asm listings

Raised by Abe Kornelis 2006/03/21
Improve split of statements and comments in the BAL listing to improve readability where possible. This RPI combined with effort by Ray Mullins add reformat option to make PRN listing more like HLASM listing.

RPI 0748: SYSLKD(file) support

Raised by Abe Kornelis 2007/12/02
Add option SYSLKD(file) to allow directing linker LKD command input to directory, file, or file type such as SYSLKD(*.PCH).2) Eliminate erroneous duplicate CSECT warnings when OBJ file name does not match CSECT name.

RPI 0648: Support overriding user parm defaults of AMODE31 and RMODE24

Raised by Ray Mullins 2007/07/06
Add support for overriding user parm defaults of AMODE31 and RMODE24 when specified in assembler source code for CSECT.

RPI 0858: Port JOL for use with z390

Raised by Don Higgins 2008/06/08
Port open sourceJOL extended JCL language by Clement Clarketo run on z390.

RPI 0282: Add WTO TEXT= support

Raised by Ray Mullins 2006/04/12
Add WTO TEXT= support.

RPI 0799: Eclipse plugin for ASM development

Raised by JM 2008/01/26
Develop Eclipse plug-in for editing mainframe assembler source including language sensitive coloring, parenthesis balancing, and indentation.

RPI 0762: Variable length GETMAIN and STORAGE

Raised by Ray Mullins 2007/12/18
Add support for variable length GETMAIN and STORAGE.

RPI 0784: CSECT name and offset in TES mode and trace files

Raised by WR 2008/01/11
Add CSECT name and offset for each instruction displayed in TEST mode and in TRACE files. This will be done as first step toward source debugging support - see RPI 104 major enhancement.

RPI 0594: Support 16 byte alignment for LQ and CNOP extensions

Raised by Ray Mullins 2007/04/15
Add az390 and ez390 support for 16 byte alignment for LQ and CNOP extensions for 12,16 etc. (LQ currently supported but only aligns to 8 byte boundary.)

RPI 0470: Support for privileged instructions

Raised by Melvyn Maltz 2006/10/07
Add pz390 support for less frequently used instructions some of which are privileged but useful for unit testing code fragments:

1. SCKPF, TAM, SAM64
2. SSM, LPSW
3. SCK, SCKC, STCKC, SPT, STPT
4. STFL, LPSWE, EPSW
5. CKSM, KM, KMC, CFC, CSST
6. MVCLU, CLCLU, CMPSC, KIMD, KLMD, KMAC
7. CUUTF, CU21, CU42, CU41, CUTFU, CU12, CU14
8. ESTA, MSTA, LAM, LAMY, MC, STAM, STAMY
9. PFPO, PLO, SRSTU,

RPI 0097: Support for CONVTOD and STCKCONV macro

Raised by Melvyn Maltz 2005/11/16
Add support for CONVTOD and STCKCONV macro and date conversion extensions.

RPI 0766: Linker XOBJECT/GOFF object code

Raised by ES 2007/12/20
Add linker support for XOBJECT/GOFF format object code files.

RPI 0234: Linker COM section merging and non-reentrant code warnings

Raised by Abe Kornelis 2006/03/13
Add linker support for merging COM sections, and add warnings for non-reentrant code in RSECT.

RPI 0248: SP= subpool support

Raised by Abe Kornelis 2006/03/20
Support SP= subpools for GETMAIN, FREEMAIN, and STORAGE requests including option to purge enteire subpool.

RPI 0203: Add extended TN3270 data stream support for highlighting.

Raised by Don Higgins 2006/02/17
Add extended TN3270 data stream support for highlighting.

RPI 0231: PF13-PF22 one additional key support

Raised by CL/GP 2006/03/13
Change the keyboard options for PF13-PF22 to only require one extra key such as SHFT, CTRL, or ALT and resolve conflict with other uses of same key combinations.

RPI 0261: Add List and Exec forms of DELETE, LINK, LOAD, SNAP, ESPIE and ESTAE

Raised by Abe Kornelis 2006/03/23
Add list and execute form of DELETE, LINK, LOAD, SNAP, ESPIE, and ESTAE including MF= and SF=.

RPI 0399: z390 UI enhancements

Raised by Abe Kornelis 2006/08/07
Change z390 to write protect the log and status display areas and support tab to return to command line field only.

RPI 0761: lz390 ALIAS support

Raised by Abe Kornelis 2007/12/15
Correct lz390 to assume any ALIAS name is also the default ENTRY name. Also verify ALIAS name is <= 8 characters with no special characters.

RPI 0753: Support RENT option

Raised by Abe Kornelis 2007/12/04
Add support for RENT option to report non-reentrant code.

RPI 0249: Expand error checking during macro source code loading

Raised by Abe Kornelis 2006/03/20
Expand error checking during macro source code loading to include the following:

1. Parse statements and check for invalid operands.
2. Add macro variable type checking on SET statements.
3. Check for invalid continuation formatting where possible

RPI 0783: VSAM RPL OPTIONS=MVS/LOC

Raised by Abe Kornelis 2008/01/08
Add VSAM support for RPL OPTIONS=MVS/LOC. Currently it assumes MVE.

RPI 0418: Correct GUAM TN3270 support

Raised by GP 2006/08/14
Correct GUAM TN3270 support as follows:

1. Correct color scheme to correctly map primary and highlighted colors. Red shows as while, turquoise as pink, and many as black. (This item appears to have been fixed)
2. Add support for SA x'280000' to reset attributes.

RPI 0679: Add ENQ/DEQ support and VSAM record locking

Raised by Don Higgins 2007/08/18
Add ENQ/DEQ support and VSAM record locking.

RPI 0247: Add List and Exec forms for ESTAE macros

Raised by Abe Kornelis 2006/03/20
Support list and execute forms of ESTAE.

RPI 0634: dos.pl set variable substitution

Raised by Don Higgins 2007/06/02
Add set variable substitution by name to the Perl dos.pl command processor for Linux in order to correctly handle substitutions used in the new cics\Z390CICG and cics\Z390KCPR bat files. The work around is to explicitly code the paths.

RPI 0736: Support for multiple opcode tables

Raised by Abe Kornelis 2007/11/10
Add option to support different opcode tables for assembler and emulator since some of the older opcodes have been reused but there are old programs that use the old opcodes such as the vector facility. For efficiency only one special opcode table can be used by the emulator at a time. There would be another general opcode table that could be used to assemble programs which do not use any obsolete opcodes and could be run with any special opcode table.

RPI 0727: Support multiple end statements in program

Raised by Abe Kornelis 2007/10/23
Add support for batched assemblies with multiple END statements in single source file.

RPI 0269: Add ADATA support

Raised by Abe Kornelis 2006/04/04
Add option ADATA for output of ADA type file with additional statistics and cross reference information.

RPI 0752: Suppress multiple errors on single line

Raised by Abe Kornelis 2007/12/04
Suppress duplicate errors or warnings for same source line executed repeatedly.

RPI 0557: GUAM CICS and TN3270 Enhancements

Raised by Melvyn Maltz 2007/02/10
GUAM CICS and TN3270 Enhancements - replace command line with line 25 showing cursor position etc.
(Note remaining items moved to RPI 671 for v1.3.07a)

RPI 0608: Add SQL support

Raised by DF 2007/04/29
Add interface SQL support for one or more of the following relational data base systems:
1)Java DB (starting with J2SE 1.6.01)
2)DB2 Express
3)MySQL
4)Oracle

RPI 0802: Corrections to runtime for MVS compatibility:

Raised by RW 2008/01/29
Corrections to runtime for MVS compatibility:

1. For OPEN DCB set condition code and open/close bit rather than abort if open fails.
2. For LOAD set R0 to entry versus load point.
3. Set LOADPT to load point if requested.

RPI 0669: FREEMAIN allocated memory queue

Raised by Melvyn Maltz 2007/08/04
Add allocated memory queue to verify FREEMAIN requests to prevent corruption.

RPI 0721: QSAM RECFM=TE and TA support

Raised by Melvyn Maltz 2007/10/16
Add new QSAM RECFM=TE and TA for text I/O in EBCDIC or ASCII using CRLF in EBCDIC or ASCII as record delimiter. For input record stops at LF. For output CRLF is added to text of length DCBLRECF. For EBCDIC mode and TE there is no translation and for ASCII mode and TA there is no translation.

RPI 0793: Structured programming issue error on bad params

Raised by JM 2008/01/17
Corrections to macro processor for HLASM compatibility:

1. Correct structured programming macros including IF to issue error if extra operand characters found such as IF (A EQ B))).

RPI 0137: GUAM macro graphics display support

Raised by Don Higgins 2005/12/16
Add GUAM macro graphics display support.

RPI 0215: Add additional TN3270 terminal option setting and control

Raised by GP 2006/02/23
Add additional TN3270 terminal option setting and control using the following interfaces:

1. Add TPG macro svc 93 support
2. Add GTSIZE, GTTERM, STSIZE macro svc 94 support to enable setting screen size and querying screen size. The default is 24 x 80 if not set by user.
3. Add TCLEARQ macro support.

RPI 0698: QSAM performance improvements

Raised by Don Higgins 2007/09/18
Add QSAM performance improvement by blocking FB and VB to reduce physical I/O's.