R Keith Beal
r@cmss.com
701 Paseo Westpark
Irvine, CA 92606
(603) 391-2847 Cell
v Software Defined Radio (5 years)
v Object-Oriented Analysis & Design / Mentoring (20+ Years)
v Windows Vista, Windows XP / XP Embedded / NT / 2000 / 2003 / 9x / ME, Windows CE 2, 3, 4, & 5, UNIX / LINUX, OS/2 Warp, DOS, CP/M
v C/C++ (Microsoft MFC, GNU, Borland) (20+ Years)
v C# and VB.NET (1 year)
v Visual BASIC (10+ years)
v Telephony: VoIP, SS7, H.320 and Call Control protocols
v Real-time Embedded Platforms (15+ Years)
Ø Firmware & Built in test
Ø Real-time Control & Robotics Data Acquisition & Digital Signal Processing (DSP)
Ø Image Processing
v Porting to and from
Ø Windows Vista / XP / 2000 / NT / 98 / 95 / 3.1 / DOS
Ø UNIX / LINUX
v Intel Pentium IV / III / MMX / x86 Assembler
v Serial Protocols: ANSI 3.64 GPIB, HDLC/SDLC, GoldBus, DIN/RNQ. (20+ years)
v Network Protocols: TCP/IP, UDP, ICMP, SLIP, PPP, ARP, RIP, GGP, BGP, OSPF, TELNET, WHOIS, SNMP (MIBs, ASN.1), SMTP, POP3, LDAP, DNS, LU6.2 HLLAPI (15+ years)
v Database Design and Programming with SQL Server, Oracle, MS Access, MySQL and ODBC API
v CGI programming (7+ years)
Ø C# and VB.NET
Ø C/C++
Ø AWK
Ø VB
v HTML / DHTML / CSS / XML
v Device Drivers and Firmware (10+ years)
v File Format Reverse Engineering
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Other Platforms |
AIX, ISIS-II, RMX-86, JTOS, RTOS, VMS, RSX-11, RSTS, MPE-3000, ISIS, GEM, TopView, XVT and C++Views |
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Other Databases |
Raima Data Manager (db_VISTA), OCELOT, POET, FOCUS, Paradox, FoxPro, dBase and rBase |
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Other Languages |
MATLAB, Actor, APL, AWK, COBOL, FORTRAN, LISP, PERL, PL/1, PL/M, RATFOR, RPG and Smalltalk |
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Assembly Languages |
Pentium IV/III/II/MMX, 80x86, 1802, 8008, 8080/85, Z80, 6502, 6800, 8048, 8051 and TMS34032/32032 |
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Other Tools |
Subversion, VCS, SourceSafe, RCS, SCCS, PVCS, SED, TECO, YACC and LEX |
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Productivity Tools |
AutoCAD, 3D Studio MAX, Visio, CorelDraw, MS Office and MS Project |
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Hardware |
Oscilloscopes, Logic Analyzers, Network Analyzers Soldering iron, wire-wrap and component-level hardware troubleshooting Video/Audio Production Equipment Photo/Darkroom Equipment HF/VHF/UHF/Microwave Communications Systems |
While functioning as a individual contributor, managed the set-up of engineering office space, R&D lab, Network Operation Center (NOC) and customer demonstration facility. Performed site surveys, supervised electrical and networking contractors to provision multiple rooftop access points and managed the FCC licensing process.
Worked in an Agile SCRUM environment developing a Software Defined Radio (SDR)-based Wireless Mobile Ad-hoc Network (MANET) network.
Participated in all phases of architecture, design and development for the platform, framework and control subsystems for a Software Defined Radio. Developed documentation and forward-engineered code using UML in Rhapsody 7.4.
Developed code for MontaVista LINUX using GNU C++ in DevRocket and Eclipse.
Developed MATLAB code for SDR bring-up and design verification. Used the MATLAB Instrument Control Toolbox to operate instruments including Vector Signal Generator (VSG) and Vector Spectrum Analyzer (VSA) for analysis, calibration and tuning.
Other tools used included Rhapsody 7.2, Subversion (Smart SVN 3), JIRA and Coverity Prevent 4.0.
Developed device management and control code for the Core Audio APIs for Windows Vista for professional media editors.
Developed code in C++ using Microsoft VisulaStudio.Net 2003 and 2008.
Other tools used included ClearCase, ClearQuest and Coverity.
Worked on a small team developing next-generation Voice and Touchscreen-based Navigation, Entertainment and Vehicle Management System for high-end Recreational Vehicles. The target systems were Windows XP and XP Embedded.
Developed a set of alpha-blended custom controls designed for touch-screen interfaces.
Developed an ActiveX/COM DirectShow component for Video Preview and Still Capture and Playback.
Developed an embedded-browser-based mail client using a MAPI back-end.
Worked with mapping and navigation SDKs including ESRI and Tele Atlas.
Developed code to encapsulate XML-based Web Services Weather forecasts.
Developed and enhanced Yahoo! Widgets using JavaScript.
Developed code in C++ using Microsoft VisulaStudio.Net 2005.
Developed an iPAQ Pocket PC-based user interface to Satellite Communications transceivers and GPRS connections. Developed code in C++ and C# using eVC 4.0 and VisualStudio.NET 2005. Integrated TomTom navigation software using C#.
Worked on porting code from the Progress 4GL to Microsoft .NET. Developed UI code in VB.NET. Developed code for business rules and database access in C#. Developed code using Visual Studio.NET 2005.
Developed automated unit test code using NUnit.
Lead a small team of hardware and software engineers and technicians developing a satellite burst transceiver. Worked with outside contractors and vendors. Developed specifications, prepared schedules and reviewed designs.
Developed UI and multithreaded and multiprocess real-time control code for a WinCE.Net-based Satellite Terminal and Mobile Router. Developed code using Microsoft Foundation Classes (MFC) in the Visual C++ 6.0 and eMbedded Visual C++ 4.0 environments. Developed TCP/IP and UDP interprocess communications.
Developed code to support web-based configuration and management of the Satellite Terminal.
Customized WinCE.Net 4.2 and 5.0 using Microsoft WinCE.Net Platform Builder 4.2 and 5.0. Developed code for Direct Sequence Spread Spectrum (DSSS) coding and modulation.
Assisted in specification and hardware design of an FPGA-based Satellite MODEM. Debugged and enhanced VHDL for Altera Cyclone FPGAs using Quartus II 4.2 and 5.0.
Reviewed schematics and debugged prototype hardware using Oscilloscopes, Frequency Counters and Spectrum Analyzers.
Interfaced a variety of GPS receivers using NMEA as well as Trimble, Zodiac and SiRF binary GPS protocols.
Developed User Interface and real-time image processing code for industrial automation applications. Developed code using Microsoft Foundation Classes (MFC) in the Visual C++ 6.0 and embedded Visual C++ 3.0 environments. Ported Windows CE to custom environments using Microsoft Windows CE Platform Builder 3.0.
Developed and maintained PCI device drivers using the Jungo WinDriver Toolkit. Developed I2C control for CCD Camera. Developed image processing routines for region of interest, histogram, statistics and feature extraction. Developed image processing code for the Microchip PIC using High-Tech PICC-18. Assisted in electronic design and debugging at the component level. Developed driver code for high speed RS-232, RS-485 and Enhanced Parallel Port (EPP.)
Designed and development of code for the user interface and real-time control of next-generation mailing machines. Developed Microsoft Foundation Classes (MFC) code in the eMbedded Visual C++ 3.0.environment. Built Windows-CE 3.0 environments using Platform Builder 3.0. A parallel project was maintained for Windows 2000 environment using Microsoft Visual C++ 6.0 in the Microsoft VisualStudio environment. Design documents were written using Microsoft Word 2002 and illustrated with Microsoft Visio 2002 Enterprise. All source code and documents were managed using Microsoft Visual SourceSafe 5.0 Enterprise.
Participated in the design of an improved Transmission Control Protocol (TCP) for Wireless Internet. Designed tools for performance testing specific bandwidth and error rates using TCP, UDP and ICMP. These tools and were designed to allow testing various algorithms and to provide training data for adaptive algorithms. The code provides simulations to generate training data to optimize Neural Networks. The code was developed for WINSOCK and for portability via POSIX compatibility using Microsoft Visual C++ 6.0.
Worked on the conversion of an Automated Archive for Hierarchical Storage Management (HSM) of Streaming Video from Windows NT 4.0 to Windows 2000. Replaced OTG DiskExtender with Windows 2000 Remote Storage Service (RSS) and Removable Storage Manager (RSM.) Developed code for a Windows 2000 System Service to multiplex RSS configurations. The code was developed using Microsoft Visual C++.
Designed and developed code for a Windows-CE 2.12 based onboard computer component of a wireless fleet management product. Code was developed using Windows 2000 Microsoft, Visual C++ 6.0 and Microsoft Embedded Tools and Microsoft Embedded Platform Builder.
Provided mentoring in Object-Oriented Programming (OOP) and Microsoft Foundation Classes (MFC) programming. Other tools used included Microsoft Word, Excel, Microsoft Visual SourceSafe 5.0, SourceGear's SourceOffSite, Rational's ClearQuest and Lotus Notes.
Participated in the design and development of a performance/stress testing system for Remote Access Servers (RRAS) devices. Designed and evaluated custom route control mechanisms to override OSPF EGP/BGP routing in multi-route test environments using custom and WINSOCK APIs. Worked with NMS SS7 hardware and libraries.
Converted GUI report application for command-line and client-server use. The code used Crystal Reports 8.0 report engine (CRPE and PEPlus) APIs. Code was developed using Microsoft Visual C++ 6.0 in the VisualStudio and command-line environment.
Designed and developed tools for e-mail address verification and mail client/server profiling. Developed code for Domain Name Service (DNS), Lightweight Directory Access Protocol (LDAP), Simple Mail Transfer Protocols (SMTP) and Finger protocols. The LDAP code uses the LDAP API. The DNS, SMTP and Finger code uses Windows Sockets WINSOCK API. Developed database code using Microsoft SQL Server through ODBC.
The HTML open detection code logs the mail client type. The code was developed as a Microsoft Internet Information Server (IIS Active Server Page (ASP) in VBScript using Active Data Objects (ADO.).
Team lead, designed and developed real-time process control and data acquisition software for the Parallex and Flex High-Pressure Liquid Chromatography (HPLC) system for combinatorial chemistry. Developed multi-threaded real-time code for Windows NT 3.51 and 4.0. Developed serial communications for single and multi-drop robot control interfaces. Developed ODBC database access code for data logging. Developed Digital Signal Processing (DSP) code using multirate Finite Impulse Response (FIR) filtration. Developed DSP code for the Pentium processor. Developed code to write netCDF (ANDI) files. Developed code using Microsoft Visual C++ 4.1 and 6.0. Developed serial communications using Greenleaf COMM++ 3.0.
Developed an application to map DDE to Win32 events for communication with legacy software. Developed code in Microsoft Visual BASIC 5.0 and 6.0.
Developed database maintenance utilities. The code was developed using Microsoft Access 97 and 2000.
Modified and enhanced Windows NT Services for a Videoconferencing MCU/Gateway.
Modified ISAPI Extensions for Web-based Server and Conference management.
Merged multiple H.320 and T.120 protocol stacks.
Modified and enhanced code using Microsoft Visual C++.
Designed and developed automated import of laboratory data into a Chemical Information System (CIS.) Participated in the design of the CIS. Developed a Windows NT Service to watch one or more directories and pass newly created files to automated import programs. Developed code in Microsoft Visual C++ 5.0.
Developed instrument-specific automated import programs to extract, normalize and store the data in the CIS. Processed data from Packard Instruments TopCount Microplate Scintillation & Luminescence Counter, PerSeptive Biosystems CytoFlour Series 4000 Multi-Well Plate Reader and Molecular Devices SPECTRAmax PLUS Microplate Spectrophotometer. Developed code in Microsoft Visual BASIC 5.0.
Designed a system of programs for automated Quality Control (QC) of reagents and compounds for a combinatorial synthesis lab. The application processes data from HP ChemStation and Perkin-Elmer TurboChrom.
Worked on the port of the Wildfire a speech-recognition PBX from Novell UNIXware to Microsoft Windows NT 4.0 Server. Duties focused on encapsulation of thread, process and synchronization objects. Also worked on encapsulation and porting of interprocess communication. Developed code using Microsoft Visual C++ 5.0. Worked with NMS SS7 hardware and libraries.
Worked with the design and development team for the next generation of the LiveLAN-V Internet-based Videoconferencing products. Design requirements included compliance with ITU H.320 Videophone and T.120 Application Sharing families of standards. Developed user interface code using Visual BASIC 3.0 and 4.0. Provided Object Linking and Embedding (OLE 2) and Component Object Model (COM) design consulting.
Developed 16-bit and 32-bit ActiveX (OCX) controls for videoconferencing using Microsoft ActiveMovie. Developed custom controls using Visual C++1.52c and Visual C++ 4.1.
Developed a file transfer package for MODEM-based file transfer. The prototype was developed in Visual BASIC and the final version in Visual C++1.52 using the Greenleaf COMM++ 2.0 class library. The client and server run under Windows, Windows 95 and Windows NT. A client periodically calls the server, sends files, receives files and maintains an activity log. The server handles client requests and maintains an activity log.
Completed and debugged InstallShield-based set-up program for the TextBridge Pro package for Windows 95 and Windows NT.
Designed and developed a Windows version of the FronttDoor management software for the BBN Internet Server. FrontDoor provides a GUI to allow non-technical users to manage UNIX accounts, mailing lists, news feeds, newsgroups and complete Gopher and WWW server management.
Developed code in Visual BASIC 3.0 and 4.0 using a variety of custom controls including the DevSoft IPPort VBX and OCX for TCP/IP. Developed and integrated context-sensitive help using the Microsoft Help Compiler 3.1. Developed the setup kit using the Microsoft Setup Wizard 1.1.
Assisted in the port of the FrontDoor Internet server management software for the BBN Internet Server. Ported code from ThinkC 1.3 to Windows. Converted MacTCP-based class library to WINSOCK. Developed code using Borland C++ 4.5.
Developed user interface code for a document processing system with Optical Character Recognition (OCR). Developed code using Visual C++1.52 and 2.1 for Windows and Windows NT.
Designed and developed the client portion of a Client-Server Imaging application. The application provides high-volume scanning and indexing capabilities. After scanning a batch of documents the user can define the indexing procedures including Optical Character Recognition (OCR) and bar-code Recognition (BCR) and post-processing. Once the form layout and indexing rules are defined the indexing process is completely automatic. The code was developed In VisualBASIC 3.0 using Diamond-Head Software's ImageBASIC.
Architected and designed a class hierarchy for developing data file conversion tools for popular accounting software to the OneWrite Plus for Windows. The architecture is based on the Object Windows Library (OWL) framework and an ODBC class library. Developed code using Borland C++.
Developed a library of high-performance DIB transformation functions for use with WinG in the Win32 (Windows NT and Windows 95) environments. Ported 16-bit MASM 5.1 code to 32-bit Win32 code as _asm blocks in C++ functions using Visual C++2.0.
Developed C++ classes to implement client-server transaction processing systems. This system emulates a legacy system and replaces connections to a single terminal-server with TCP/IP connections to a network of distributed servers. The servers employ dynamic load-balancing based on network proximity and load. Developed code for AIX using GNU C++.
Designed and developed a DDE server to embed links to TIFF image archives into the window of an off-the-shelf terminal emulator. Developed code in Visual BASIC 3.0 using the AccuSoft Image Library custom control. Developed Reflections 2 macros to invoke DDE server functions
Developed custom controls for laboratory instrumentation. Developed MFC "wrappers" for custom controls. Developed user interface code using Visual C++.
Architected, designed and implemented scheduler, device managers and device drivers for an embedded diskless PC-based controller. The controller operates a variety of laboratory instruments for protein separation process optimization. Protocols included GPIB, GoldBus and RNQ. Interfaced to ADAC A/Ds using the ADLIB library. The controller interfaces to the UI by archiving and dearchiving objects over a TCP/IP connection. The object-oriented architecture and design were implemented in Visual C++ using MFC 2 for Windows and DOS, FTP Software’s PC/TCP and the Greenleaf COMM++ 2.0 serial communications class library.
Early research included porting existing DR GEM code for device control to a Windows DLL. and VxD. Developed VxD in 80386 assembler.
Converted a prototype Mass Storage Subsystem from OS/2 1.2 to OS/2 2.0. Maintained OS/2 1.x product code with MSC 6.0. Ported and developed new code to Borland C++ for OS/2. Developed XVT-based user interface code to the db_VISTA database.
Participated in an object-oriented analysis and design of a Microsoft Windows-based manpower training and maintenance cost expert system. Developed prototype code using ToolBook 1.5. Developed code using Borland C++ for CommonView 3 using the Object Designer CASE tool. Developed database code using the RAIMA Data Manager (db_VISTA.)
Participated in an object-oriented analysis and design of a Microsoft Windows-based Real Estate Multiple Listing Service application. Developed code in Borland C++ 3.1. Worked with the Drover Professional Toolkit for Windows. Designed and developed transaction-oriented heterogeneous collection using OCELOT SQL
Developed a sales tool in Microsoft Visual BASIC. The application allows a sales support engineer to enter data about departments, groups, requirements policy and existing systems and suggests a system or systems that satisfy the requirements. The system uses Microsoft EXCEL to produce charts through DDE. The database uses dBase files with Q+E through DDE.
Converted an Actor-based prototype of the Weather Windows application to Microsoft Visual BASIC. Features include loop animation, color palette manipulation, DDE server capability and context-sensitive help. Developed DLLs in C++ using Microsoft C/C++ 7.0 and ported to Borland C++ 3.1.
Participated in the Analysis and Design of the Image-Enabled Notes add-in for Lotus Notes. Developed code in C++ using Zortech C++ 3.0 and CNS/Views. Developed code using the Lotus Notes API tool kit.
Developed code for an imaging application for medical records tracking. Developed code in Microsoft Visual BASIC using the Wang OPEN/image Windows Tool kit..
Enhanced the functionality and performance of the Lotus Spreadsheet for Tandy DeskMate.
Developed code to support MS-Windows-based insurance illustration package Code was developed using WindowsMaker-Pro 3.1 and ported to MEWEL in the DOS environment. Debugged code using Soft-ICE and Bounds-Checker.
Developed code to support MS-Windows bases client API for an object-oriented database server. The API makes asynchronous RPC requests to a UNIX-based server. Code was developed using the MS-Windows 3.0 SDK, the Netwise RPC Tool and MSC 6.0.
Developed code to support multi-processed object-oriented database server. The server process receives requests through code generated by the Netwise RPC Tool. The server control process mediates between asynchronous RPC requests and multiple child processes. Shared-memory was used as the IPC between parent and child process due to the volume of data involved. Code was developed using SCO Open Desktop and UNIX System V/386. The database was implemented using db_VISTA.
Responsible for all phases of development for a secure document management system for the Department of State. The application uses Wang OPEN/image for Windows. The database is db_VISTA 3.12. The database was distributed over the Banyan VINES network. Developed code under MS-Windows 3.0 using MSC 6.0.
Designed and developed a rule-based data-driven automated test tool for an object-oriented API for 123/G product family. Developed code under OS/2 Presentation Manager. The database was Gupta SQLBase.
Developed User Interface code for GUI Spreadsheet. Developed screen drawing and input parsing code for the Lotus Spreadsheet for Tandy DeskMate. Developed code in 8086 Assembler.
Assisted in a re-write of the user interface to a satellite-based fleet management system. This MS-Windows based system displays maps with icons representing the position of vehicles. Sensor data collected at the vehicle is also processed and displayed. The application makes extensive use of DDE and multi-processing and can be distributed across a NETBIOS-compatible LAN. The code was developed using the MS-Windows SDK 2.1 and MSC 5.1. Code was debugged using Soft-ICE, SYMDEB, and CodeView for WINDOWS.
Completed the port of a Printed Circuit board layout package to the MS-Windows environment. Added context-sensitive help system. Developed code in MSC 5.0 and 8086 Assembler. I used the MS-Windows SDK 2.1 and SYMDEB.
Worked on design and development of a set of cooperating applications to keep a PC LAN database and a mainframe database in synchronization. The PC LAN project used PC/ATs, 3Com 3Stations, 3Servers, and 3Share software. The LAN database was implemented using db_VISTA and MSC 5.0.
Debugged and enhanced PC software for a proprietary family of Ethernet protocols. Worked on interfacing a high-resolution scanner and Digital Signal Processor (DSP) for data compression. Worked on de-compression and resolution conversion for display stations.
Developed code in MSC 4.0 and C-callable assembler. Used ExoLAN LANalyzer and HP logic analyzer.
Developed utilities for an enhanced version of MS-NETWORKS. Developed file and print server registration and connection file maintenance utilities. Developed code in MSC 4.0.
Developed prototype user registration to support the development of a secure file server on the DPS6. Developed code in MOD400 C.
Developed and documented architecture of the Presentation Services for a major new operating system. The primary goal was to develop an architecture to support both intelligent workstations and terminals in a consistent way.
Worked on a two-man consulting team to develop GSS-VDI device drivers for several different IMAGRAPH video boards. Developed code in Lattice C v2.13 and 8086 assembler.
Assisted in the development of a software quality assurance plan for a CGI graphics system. The QA program for the package included a dBase II application to automatically generate test batch files to test every supported configuration. This part of the project was to qualify device drivers.
Developed test programs and tested Language Bindings for 8086 Assembler, Microsoft CBASIC, and C.
Developed GSS-CGI Device Drivers for two prototype display adapters. This code was developed in 8086 assembler, and Lattice C 2.15.
Developed a MS-DOS installable device driver and high-performance IBM-PC ROM BIOS emulator. The hardware consisted of a HITACHI 63484 ACRTC and a Megabyte of video RAM, writeable color palette, and memory mapping hardware. Developed ROMable code in 8086 assembler.
Provided design consulting for a PC/AT-based network management product family. Designed and implemented performance tests for MS-Windows. Developed MS-Windows application programs in MSC 3.0 and 8086 Assembler.
Taught classes in "Using PC-DOS", "MS-Windows Programming", and "Advanced C Programming". Developed class outlines, handouts, and sample programs.
Wrote position papers on programming style and human factors.
Designed and developed software to support development of an X-Ray Lithography system. Selected development hardware and software. Developed interface library software for DMA-driven analog and digital I/O, Microstepper Servo Control system, GPIB controller, and LASER Interferometer.
Documented the overall software design and presented a complete design presentation for a design review board.
Developed a multi-tasking scheduler and implemented it in C. Developed an interactive multi-tasking environment using the Instant-C development environment. Developed code in 8086 assembler and C. Used Instant-C interactive C environment.
Taught classes in "C Programming", "Using Debugging Aids", and "Using Development Tools" to the engineering staff.
Participated in all phases of specification, design, and implementation of departmental system based on a local area network with one or more high-performance minicomputers and various micro and supermicro workstations (Columbia, PC, XT, AT). Served on corporate-wide SNA LU6.2 (APPC) design task team.
Designed several minicomputer-resident server components including; Name Server, Disk Server, and Application Server. The Disk Server included dynamic allocation and record locking.
Designed management utilities for configuration, resource management, error management, and interface to OS billing system.
Selected periodicals and texts for the project library. Recommended development hardware and software. Designed most PC-resident elements of a layered LAN architecture. Set-up a complete lab network with network debugging aids and performance monitoring system.
Developed a message facility and terminal emulation. Implemented PC-resident Layered Software including: Device Driver, Transport Functions, Session Management, and Presentation level routines. Developed User Registration and Application Server functions. Implemented an IBM SNA LU6.2 subset. Developed Software in: 8086 Assembly Language, BASIC, C, and PASCAL.
Consulted on UNIX workstation project using GSS-drivers. Evaluated UNIX business applications for performance and Ergonomic factors.
Consulted on MS-Windows port to Honeywell microsystem 6/10. Evaluated porting effort.
Evaluated GSS-drivers and GSS-tool kit on OEM PC-compatibles.
Designed software for a multi-processor lap computer using an 80C88 and an 80C51 as an I/O processor. Software included an PC-compatible ROM BIOS and MS-DOS 2.0 I/O Section. Implemented 8051 code for driving LCD display controller. Implemented keyboard controller using the 8051 for keyboard scan and decode.
Ported AI development system from PDP-11 running RSX-11 to a MassComp MC600 68000-based UNIX environment. Converted RATFOR and Mark Williams C to standard UNIX C. Interfaced digitizing tablets to MC600.
Participated in all phases of development of an IBM-PC compatible computer including: Specification, Design, Coding, Documentation, Maintenance, Selection of Development Tools. Close cooperation with hardware designers was required throughout the development cycle. Installation of MS-DOS, Specification and design of an IBM-PC compatible BIOS, Coding testing and optimizing many BIOS functions. Prepared OEM documentation. Developed 8086 code using Intel MDS III, ICE-88A, and cross-assembler on VAX/VMS.
Installed maintained, and enhanced CP/68 (6800-based DOS) on the 1206. Developed hardware debugging aids, basic IO, and utilities. Developed code using SWTP 6800 and Motorola Exorciser.
Developed open and closed-loop stepper motor control routines, input routines for unencoded keyboards as well as basic and advanced serial communications control software for the 8051-based 2000 series printing terminals. Developed code using Intel MDS II and ICE-51.
Projects included development of device handlers and a primitive OS for hobbyist system expansion boards. The code was written in 6502 assembler. This software was to be used for both in-house applications and as a product. Duties also included editing of articles submitted for publication for technical accuracy and size.
Duties included maintenance and enhancement of multi-8080 Pulmonary Analysis System and design of its' replacement. This project included development of an extended-precision floating-point math library and expression parser. Developed code in 8080 assembler. Developed Intel 8048-based GPIB Talker/Listener.