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HP-71B COMPENDIUM (Part 3 of 4)
03-22-2016, 03:34 AM (This post was last modified: 08-02-2017 05:26 PM by Sylvain Cote.)
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HP-71B COMPENDIUM (Part 3 of 4)
HP-71B COMPENDIUM
PART 1 / PART 2 / PART 3 / PART 4 / PDF DOCUMENT


Card Reader Memory Modules

[Image: CMT-CR-96R.jpg]

CMT Memory Modules

Introduction

Starting in 1987, CMT introduced several card reader memory modules for the HP-71B.

The following models was made available:
  • CMT-CR-32/32 -> 32KB RAM + 32KB EPROM
  • CMT-CR-32R -> 32KB RAM (option: battery backup)
  • CMT-CR-64R -> 64KB RAM (option: battery backup)
  • CMT-CR-96R -> 96KB RAM (option: battery backup)
  • CMT-CR-128R -> 128KB RAM (option: battery backup)
  • CMT-CR-160R -> 160KB RAM (option: battery backup)
When plugged into the card reader port of the HP-71, the CMT-CR Module add the module specified kilobytes of RAM to the 17.5K bytes of HP-71 internal RAM. Up to 160K bytes of extra RAM can be thus installed in your HP-71. Like the HP-71 RAM, the CMT-CR RAM can be used as Main RAM or Independent RAM.

From the pictures below, we can clearly see that CMT decided to reuse their 32KB RAM front port printed circuit boards (PCB) soldered on a custom made PCB to create their RAM card reader modules. Also, some models had battery backup to preserve their data when unplugged.

Pictures
HHP Memory Modules

Introduction

Somewhere in 1984 HHP introduced several card reader memory modules for the HP-71B.

The following models was made available:
  • HHP 71 M/M 32K EPROM
  • HHP 71 M/M 32K RAM/32K EPROM
  • HHP 71 M/M 32K RAM (option: battery backup, duration: 29 months)
  • HHP 71 M/M 64K RAM (option: battery backup, duration: 13 months)
  • HHP 71 M/M 96K RAM
  • HHP 71 M/M 128K RAM
  • HHP 71 M/M 160K RAM
When plugged into the card reader port of the HP-71, the HHP 71 M/M RAM module add the module specified kilobytes of RAM to the 17.5K bytes of HP-71 internal RAM. Up to 96K bytes of extra RAM can be thus installed in your HP-71. Like the HP-71 RAM, the HHP 71 M/M RAM can be used as Main RAM or Independent RAM.

For the RAM/EPROM & EPROM card reader modules, only the socket is present for the EPROM side, the user must insert his pre-programmed 8KB, 16KB or 32KB EPROM chip into the socket. Supported EPROMs are Intel compatible CMOS 2764, 27128, 27256 chips with 200 nanoseconds or faster of access time.

All HHP 71 M/M modules are build with the same internal components.

The RAM modules are build with one, two or three PCBs which contain the following part:
  • 1 x HHP designed printed circuit board
  • 1 x HP 1LJ4-0301 custom memory controller chip
  • 4 x Hitachi HM6264LFP-15 (8KB RAM @ 150 ns)
The EPROM and RAM/EPROM modules are build with at least one module EPROM PCB which contain the following part:
  • 1 x HHP designed printed circuit board
  • 1 x HP unmarked custom memory controller chip (probably 1LJ4-0301 as well)
  • 1 x EPROM socket
Manuals
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
                       HHP 71 M/M Owner's Manual                                   1984
  • HHP 71 M/M Owner's Manual (manual)
Pictures
FRAM71 Memory Module

[Image: FRAM71_INT2.jpg]

Introduction

The FRAM71 module is the result of a personal multi-years project of Hans Brueggemann. The module can be configured to add core RAM, independent RAM (IRAM) or ROM simulation. This module pushes the HP-71B to its limit and is a must have for any HP-71B fan.

Users' Manual Introduction

FRAM71 is an FRAM memory extension for use in your Hewlett-Packard HP-71B Pocket Computer. When plugged into the Card Reader Port, it will provide your HP-71B with up to 16 additional RAM modules of user selectable sizes and 64 KB of system RAM.

With FRAM71, you can:
  • Adopt the memory size to existing hardware configurations (plug-ins)
  • Maximize independent RAM for data / program storage
  • Use FRAM71 as an archive facility
  • Use ROM images instead of plug-in Modules
  • Declare RAM inside FRAM71 as hard-configured ROM at E0000
  • Upgrade your HP-71B to the latest operating system
  • Refurbish an HP-71B that has defective internal ROM / RAM chips
  • Let "Take-Over"-software reside parallel to your HP-71B’s internal O/S
  • Implement new hardware features previously not available on the HP-71B
Documents Pictures Special Acknowledgment

A special mention should go to Dave Frederickson and to Robert Prosperi for the countless hours they spent experimenting, trying things, documenting and helping others using their FRAM71 module.

Front Port Memory Modules

HP-82420A 4KB RAM Memory Module

Owner Manual Introduction

The HP 82420A Memory Module provides an additional 4K of random access memory (RAM) for your HP-71 Portable Computer.

Manuals
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
HP-82420-90001         Memory Module Multilingual Instructions
HP-82420-90001 Rev B   Memory Module Multilingual Instructions                  1984-02
  • Memory Module Multilingual Instructions (cover, manual)
Pictures CMT-71-32R 32KB RAM Memory Module

Owner Manual Introduction

When plugged into a front port of the HP-71, each CMT-71-32R Module adds 32K bytes of RAM to the 17.5K bytes of HP-71 internal RAM. Up to 128K bytes of extra RAM can be thus installed in your HP-71. Like the HP-71RAM, the CMT-71 RAM can be used as Main RAM or Independent RAM.

Manuals
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
CMT-71-32R             32KB RAM Module Instructions                                1986
Picture CMT-71-64R 64KB RAM Memory Module

Owner Manual Introduction

When plugged into a front port of the HP-71, each CMT-71-64R Module adds 64K bytes of RAM to the 17.5K bytes of HP-71 internal RAM. Up to 256K bytes of extra RAM can be thus installed in your HP-71. Like the HP-71 RAM, the CMT-71 RAM can be used as Main RAM or Independent RAM. The battery in the CMT-71-64R will retain the contents of the module for six months if the module is removed from the HP-71B. While the module is in the HP-71B, it will draw its required power from the HP-71B Batteries.

Manual
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
CMT-71-64R             64KB RAM Module Instructions                                1990
Picture CMT-71-32KE/64KE 32KB/64KB EPROM Modules

Owner Manual Introduction

The CMT-71 EPROM Modules come in two versions:
  • CMT-71-32KE with 32K bytes of CMOS EPROM
  • CMT-71-64KE with 64K bytes of CMOS EPROM
Up to four CMT-71 EPROM Modules may be inserted into the front ports of the HP-71. The CMT-71-32KE is organized as one 32K byte block of memory, while the CMT-71-64KE is organized as one 64K byte block of memory. Typically, the CMT-71 EPROM Modules are used to store custom application programs. You can run programs stored in these modules as well as read data from them. The CMT-71 EPROM Modules retain their contents when removed form the HP-71.

To see the amount of external EPROM provided by your CMT-71 EPROM Module, follow the instructions given in Section 1 to plug the module into a front port of the HP-71, then execute SHOW PORT. The port number, the memory capacity in bytes and the memory type will be displayed for each port containing Independent RAM or plug-in ROM. The CMT-71 EPROM has a memory type of "2".

Inserting a blank CMT-71 EPROM Module into the HP-71 will not disrupt its operations.

Manual
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
CMT-71-32KE            32KB/64KB EPROM Module Instruction                          1986
CMT-71-64KE            32KB/64KB EPROM Module Instruction                          1986
  • 32KB & 64KE EPROM Modules Instructions (cover, manual)
Pictures The CMT Tools image distribution file is located HERE
Code:
FILENAME                          DESCRIPTION
--------------------------------  -----------------------------------------------------
CMT_CMTTOOLS.ZIP                  Distribution file
-> CMT_CMTTOOLS_ROM.BIN           Image for Win71/DOS/Win
   -> CLONE      BASIC   439
   -> EPRMSTWR   LEX     498      [VER$ EPRM:C]
   -> EPRMCOPY   LEX    1727      [VER$ ECPY:F]
   -> TEST32KE   LEX     111      [VER$ n/a]
   -> TEST64KE   LEX     117      [VER$ n/a]
-> CMT_CMTTOOLS_ROM.LIF           ILPER: LIF Mass Storage File
   -> ROMCOPY    LEX    1727      [VER$ RCPY:E]
   -> CMTTOOLS   ROM   16384      ROMCOPY CMTTOOLS:TAPE(#) TO :PORT(#)

CMT-71-P01 EPROM Programmer

[Image: CMT-71-P01_FV1_MINI.jpg]

Owner Manual Introduction

The CMT 71-P01 EPROM Programmer is a completely self-contained device that allows you to program CMT-71-32KE EPROMS or CMT-71-64KE EPROMs. There is no requirement for special socket adapters or personality modules. The programmer contains 64K bytes of CMOS RAM that is used to store the image that will be programmed into the EPROM modules.

The programmer connects to the HP-71 through a front port. The programmer's RAM is accessible through the commands in the HP-71. To use the programmer in the 64K mode, a FORTH/ASSM ROM needs to be inserted into another HP-71 port.

Additional software to help build the EPROM image is supplied on the CMT-71 EPROMs along with self-test programs. The EPROMs will need to be erased with ultraviolet light before programming. It is therefore highly recommended that you store these programs and functions on another mass storage medium so they will be available for use when needed.

This manual contains the instructions necessary for operating the CMT-71-P01 programmer.

Generally, you will not have to understand the internal operation of the HP-71 operating system to create custom EPROMs. If you would like to know more about the HP-71 operating system and its file structures, consult the HP-71 software IDS published by HP.

The programmer can be inserted into ports 2, 3, or 4. The programmer will not function properly in Port (1) owing to different system control lines available. For simplicity, this manual assumes that the programmer is plugged into Port(4).

An intelligent programming algorithm is used to program both the 32K and 64K EPROMs. Typically the length of time to burn a 32K EPROM is less than 5 minutes. The 64K EPROM will require generally less than 15 minutes.

Manual
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
CMT-71-P01             EPROM Programmer Instruction Manual                      1986-09
Pictures The CMT Tools image distribution file is located HERE
Code:
FILENAME                          DESCRIPTION
--------------------------------  -----------------------------------------------------
CMT_CMTTOOLS.ZIP                  Distribution file
-> CMT_CMTTOOLS_ROM.BIN           Image for Win71/DOS/Win
   -> CLONE      BASIC   439
   -> EPRMSTWR   LEX     498      [VER$ EPRM:C]
   -> EPRMCOPY   LEX    1727      [VER$ ECPY:F]
   -> TEST32KE   LEX     111      [VER$ n/a]
   -> TEST64KE   LEX     117      [VER$ n/a]
-> CMT_CMTTOOLS_ROM.LIF           ILPER: LIF Mass Storage File
   -> ROMCOPY    LEX    1727      [VER$ RCPY:E]
   -> CMTTOOLS   ROM   16384      ROMCOPY CMTTOOLS:TAPE(#) TO :PORT(#)

Applications in ROM Module

HP-5061-7246 Diagnostic ROM

Service Manual Introduction

The diagnostic ROM is a preprogrammed ROM (read only memory) module designed to be inserted into port number one (the left front port) of the HP-71. It is designed to take control of the HP-71 by disabling the system ROM. It will detect most hardware failures by exercising all of the ICs and the bus. It can not, however, determine if software is operating properly except when certain software responses are expected in a particular test and are not received.

Special Acknowledgment

The 16KB diagnostic ROM is a take over module that take control of the machine as soon as its plugged into the computer. Because of its nature, its not an ROM easy to clone, but thanks to Jean-François Garnier, who has the skills, took the time to do it. He created a 64KB image to make it easier for emulators its Emu71/DOS to run it.

Key Assignments: (* Will not execute in 'AUTO' mode)
Code:
Key(s)  Description
------- ---------------------------------------
[ON]    On/Off
[H]     Test Directory (Help List)
[A]     Auto Repeat Testing
[A][C]  Test Status Listing
[B]     Battery Indicator Check
[M]     Directed Multiple Testing
[0]     Self-Check Rom Test
[l]     CPU Test
[2]     Mainframe RAM Test
[3]     Plug-in ROM Test
[4]     Plug-in RAM Test (soft configured)
[5]     Display Test
[6]     Keyboard Test (*)
[7]     Key-Bounce Test (*)
[8]     Sleep Test (*)
[9]     Electrostatic Discharge (ESD) Test (*)
[*]     Card Reader Test
[/]     HPIL Module Test
[+][+]  Configure
[-][-]  Configure Report
[Q][Q]  Debugger

Manual
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
HP-00071-90055         HP-71 Service Manual                                     1983-12
  • HP-71 Service Manual (cover, manual)
The HP-5061-7246 HP-71B Diagnostic ROM distribution file is located HERE
Code:
HP-5061-7246_DIAGNOSTIC.ZIP          distribution file
-> HP-5061-7246_DIAGNOSTIC_ROM.BIN   Image for Emu71/DOS/Win
-> HP-5061-7246_DIAGNOSTIC_ROM.LIF   ILPER: LIF Mass Storage File / FRAM71 users
   -> DIAG71     ASCII  135K         ROM Memory (00000-0FFFF) Dump
   -> DIAG71L    BASIC   158         ROM Memory (00000-0FFFF) Dump Loader

HP-5953-5622 Demonstration ROM

The HP-5953-5622 Demonstration ROM distribution file is located HERE
Code:
HP-5953-5622_DEMONSTRATION.ZIP          distribution file
-> HP-5953-5622_DEMONSTRATION_ROM.BIN   Image for Emu71/DOS/Win
   -> DEMOLX71   LEX     967            [VER$ DEMO:A]
   -> DEMO       BASIC  2086
   -> DEMOSUBS   BASIC  3144
   -> DEMODATA   DATA   8120
-> HP-5953-5622_DEMONSTRATION_ROM.LIF   ILPER: LIF Mass Storage File
   -> ROMCOPY    LEX    1727            [VER$ RCPY:E]
   -> DEMO71     ROM   16384            ROMCOPY DEMO71:TAPE(#) TO :PORT(#)

HP-82441A FORTH/Assembler ROM

Owner Manual Introduction

The FORTH/Assembler ROM provides an extended software development environment for the HP-71.

It contains the following major features:
  • A FORTH operating system. This system allows you to write application programs for the HP-71 in FORTH, with a significant advantage in speed over programs written in BASIC. The FORTH operating system coexists with the native HP-71 BASIC operating system, so you can switch between the BASIC and FORTH environments without program or data loss and without having to reconfigure the HP-71. Programs written in either language can execute routines written in the other language. HP-71 FORTH includes string and floating-point operations.
  • An assembler. This assembler, written in FORTH, provides nearly the same command set as the assembler used to develop the HP-71 operating system. You can use it to create HP-71 binary files, LEX files to extend the BASIC language, or FORTH primitives.
  • A text editor. The editor enables you to create and edit text files, which can be used as source tiles for BASIC, FORTH, or assembly language programs, or for many purposes unrelated to programming.
  • Remote keyboard capability. By using the BASIC keyword KEYBOARD IS (along with the keyword DISPLAY IS provided in the HP 82401A HP-IL Interface), you can use a terminal as an external keyboard and display.
Manual
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
HP-82441-90001         FORTH/Assembler ROM Owner's Manual                       1984-01
  • FORTH/Assembler ROM Owner's Manual (cover, manual)
Pictures Note
This product has been superseded by the HP-82478A FORTH/Assembler ROM with Debugger.

HP-82478-60001 Debugger

Owner Manual Introduction

The debugger offers programmers the ability to simulate assembly language on the HP-71B handheld computer. If your programming experience is in BASIC, you may be drawn to assembly language by its promise of greater speed and flexibility. Software development at this level requires the same approach to inspection and proof - the tempering of logic often referred to as the debugging stage. In assembly language this process is much more focused since execution flow and register usage is at the lowest level, in the Central Processing Unit (CPU), where the built-in protections afforded by an operating system are not available. In many cases the best method to certify programming logic is by direct testing. You need a tool which allows you to follow execution and register contents at each step - a debugger. In tandem with the FORTH/Assembler ROM or with PC-based Saturn Assemblers, the debugger provides an accurate, affordable, and portable tool for assembly language development on the HP- 71. Its many options allow you to customize its operation, even midway through a debugging session. Its modularity is designed to allow the addition of more features through assembly language enhancements.

Manual
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
HP-82478-90001         Debugger Owner's Manual                                  1986-07
HP-82478-90002         Debugger Owner's Manual Update 1                         1986-08
Note
This product was a temporary upgrade to the HP-82441A FORTH/Assembler ROM to bring it to the same level has the HP-82478A FORTH/Assembler ROM with Debugger. This product has been superseded by the HP-82478A FORTH/Assembler ROM with Debugger.

HP-82478A FORTH/Assembler ROM with Debugger

[Image: HP-82478A_MOD.jpg]

Owner Manual Introduction

The FORTH/Assembler ROM provides an extended software development environment for the HP-71.

It contains the following major features:
  • A FORTH operating system. This system allows you to write application programs for the HP-71 in FORTH, with a significant advantage in speed over programs written in BASIC. The FORTH operating system coexists with the native HP-71 BASIC operating system, so you can switch between the BASIC and FORTH environments without program or data loss and without having to reconfigure the HP-71. Programs written in either language can execute routines written in the other language. HP-71 FORTH includes string and floating-point operations.
  • An assembler. This assembler, written in FORTH, provides nearly the same command set as the assembler used to develop the HP-71 operating system. You can use it to create HP-71 binary files, LEX files to extend the BASIC language, or FORTH primitives.
  • A text editor. The editor enables you to create and edit text files, which can be used as source tiles for BASIC, FORTH, or assembly language programs, or for many purposes unrelated to programming.
  • Remote keyboard capability. By using the BASIC keyword KEYBOARD IS (along with the keyword DISPLAY IS provided in the HP 82401A HP-IL Interface), you can use a terminal as an external keyboard and display.
The debugger offers programmers the ability to simulate assembly language on the HP-71B handheld computer. If your programming experience is in BASIC, you may be drawn to assembly language by its promise of greater speed and flexibility. Software development at this level requires the same approach to inspection and proof - the tempering of logic often referred to as the debugging stage. In assembly language this process is much more focused since execution flow and register usage is at the lowest level, in the Central Processing Unit (CPU), where the built-in protections afforded by an operating system are not available. In many cases the best method to certify programming logic is by direct testing. You need a tool which allows you to follow execution and register contents at each step - a debugger. In tandem with the FORTH/Assembler ROM or with PC-based Saturn Assemblers, the debugger provides an accurate, affordable, and portable tool for assembly language development on the HP- 71. Its many options allow you to customize its operation, even midway through a debugging session. Its modularity is designed to allow the addition of more features through assembly language enhancements.

Manuals
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
HP-82441-90001         FORTH/Assembler ROM Owner's Manual                       1984-01
HP-82478-90001         Debugger Owner's Manual                                  1986-07
HP-82478-90002         Debugger Owner's Manual Update 1                         1986-08
CHHU NOMAS             IDS & IMS HP-71 FORTH/Assembler ROM
Pictures The HP-82478A FORTH/Assembler ROM with Debugger distribution file is located HERE
Code:
HP-82478A_FORTH-ASSEMBLER.ZIP              distribution file
-> HP-82478A_FORTH-ASSEMBLER_HRD.BIN       Image for Emu71/DOS/Win
-> HP-82478A_FORTH-ASSEMBLER_HRD-FIX.BIN   Image includes JFG fixes
-> HP-82478A_FORTH-ASSEMBLER_ROM.BIN       Image for Emu71/DOS/Win
   -> FORTHROM P LEX    3445               [VER$ FTH:1A]
   -> EDTEXT     BASIC  6790
   -> EDKEYS     KEY      54
   -> EDLEX      LEX    2557               [VER$ EDT:A]
   -> DBGLEX     LEX     141               [VER$ DBG:A]
   -> KEYBOARD   LEX    1277               [VER$ KBD:B]
-> HP-82478A_FORTH-ASSEMBLER_ROM.LIF       ILPER: LIF Mass Storage File / FRAM71
   -> ROMCOPY    LEX    1727               [VER$ RCPY:E]
   -> FORTHROM   ROM   16384               ROMCOPY FORTHROM:TAPE(#) TO :PORT(#)
   -> FORTHHRD   TEXT  67840               ROM Memory (E0000-EFFFF) Dump
   -> FORTHLDR   BASIC   160               ROM Memory (E0000-EFFFF) Dump Loader
-> HP-82478A_DEBUGGER_MEDIA.LIF            ILPER: LIF Mass Storage File
   -> DBGMAINA   LEX     705               Debugger keywords file [VER$ DBG:A]
   -> DBGLEX1A   LEX    4058               Debugger runtime #1 core
   -> DBGLEX2A   LEX    4066               Debugger runtime #2 core
   -> DBGLEX3A   LEX    2881               Debugger runtime #3 optional

HP-82479A Data Acquisition Pac

[Image: HP-82479A_MOD.jpg]

Owner Manual Introduction

The HP 82479A Data Acquisition Pac, together with the HP-71B Handheld Computer and the HP 3421A Data Acquisition/Control Unit, provide a powerful, low-cost data acquisition system. These devices may be used in the laboratory, the field, or on the production line to gather data, control devices, or report on equipment status. When combined with devices such as the ThinkJet printer or an 80-column video interface, the data acquisition system provides system capabilities equivalent to larger, more expensive systems at a fraction of the cost. Also, in space-critical environments the HP-71 takes less space than the keyboard of a standard personal computer, leaving room for production or test equipment.

Manual & Media
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
HP-82479-90003         Data Acquisition Pac Owner's Manual                      1985-11
HP-82479-12001         Data Acquisition Pac Supplemental Disk
  • Data Acquisition Pac Owner's Manual (cover, manual)
Pictures The HP-82479A Data Acquisition Pac distribution file is located HERE
Code:
HP-82479A_DATA-ACQUISITION.ZIP          distribution file
-> HP-82479A_DATA-ACQUISITION_ROM.BIN   Image for Emu71/DOS/Win
   -> LEX3421    LEX    7520            [VER$ INST:A]
   -> BIN3421    BIN     356
   -> TCONV      LEX     243            [VER$ TCNV:A]
   -> FMTLEX     LEX     597            [VER$ FMT:A]
   -> KEYSLEEP   LEX      62            [VER$ n/a]
   -> MERGEBUF   BASIC   543
   -> UTILITY    BASIC  3644
   -> STATUS     BASIC  3489
   -> FRONT      BASIC  2637
   -> CK1        SDATA     8
   -> STRIP      BASIC  8542
   -> MONITOR    BASIC 11925
   -> CK2        SDATA     8
   -> SETUP      BASIC  9673
   -> LOG        BASIC  6544
   -> REPORT     BASIC  5739
   -> TRANSFER   BASIC  2349
   -> VERIFY     BASIC   964
-> HP-82479A_DATA-ACQUISITION_ROM.LIF   ILPER: LIF Mass Storage File
   -> ROMCOPY    LEX    1727            [VER$ RCPY:E]
   -> DATAACQ    ROM   65536            ROMCOPY DATAACQ:TAPE(#) TO :PORT(#)
-> HP-82479A_SUPP-DISK_MEDIA.LIF        ILPER: LIF Mass Storage File
   -> XFER200    BASIC                  Note: file is currently missing from media
   -> FROM71     BASIC                  Note: file is currently missing from media
   -> MSDOSXFR   BASIC  7263
   -> FATLEX     LEX     955            [VER$ FAT:B]
   -> MON2392    BASIC   337
   -> PRT82905   BASIC   152
-> HP-82479A_ROM-MEDIA-MERGED.LIF       ILPER: ROM and MEDIA merged

HP-82480A Math Pac

[Image: HP-82480A_MOD.jpg]

Owner Manual Introduction

The Math Pac is a set of powerful tools for solving a wide range of mathematical, scientific, and engineering problems. These tools are provided in the convenient and flexible form of BASIC keywords. Once the math module is plugged into the HP-71 Computer, these keywords are instantly available: no program to load, no waiting. You can use these keywords in any program as often as needed; you avoid the restrictions that would apply to program calls and save the memory that subroutines would require.

The Math Pac adds the following capabilities to the HP-71:
  • Complex variables and arrays.
  • Advanced real- and complex-valued functions.
  • Real and complex array operations.
  • Solutions to systems of equations.
  • Roots of polynomial equations and user-defined functions.
  • Numerical integration.
  • Finite Fourier transform.
New/Enhanced BASIC Keywords
[Image: HP-82480A_BASIC4_LOWRES.jpg]

Manuals
Code:
Product #              Title                                                   Released
---------------------  ------------------------------------------------------  --------
HP-82480-90001         Math Pac Owner's Manual                                  1984-03
HP-82480-90015         Math Pac Owner's Manual Update                           1984-05
HP-82480-90002         Math Pac Quick Reference Manual                          1984-03
Picture The HP-82480A Math Pac distribution file is located HERE
Code:

HP-82480A_MATH.ZIP             distribution file
-> HP-82480A_MATH-P_ROM.BIN    Image for Emu71/DOS/Win (Private ROM)
   -> MATHLEX  E LEX   32745   [VER$ MATH:1A]
-> HP-82480A_MATH_ROM.BIN      Image for Emu71/DOS/Win
   -> MATHLEX    LEX   27682   [VER$ MATH:1A]
-> HP-82480A_MATH_ROM.LIF      ILPER: LIF Mass Storage File
   -> ROMCOPY    LEX    1727   [VER$ RCPY:E]
   -> MATHLEX    LEX   27682   COPY MATHLEX:TAPE(#) TO :PORT(#)
   -> MATHROM    ROM   32768   ROMCOPY MATHROM:TAPE(#) TO :PORT(#)
   -> MATHROMP   ROM   32768   ROMCOPY MATHROM:TAPE(#) TO :PORT(#) (Private ROM)

HP-71B COMPENDIUM
PART 1 / PART 2 / PART 3 / PART 4 / PDF DOCUMENT
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