About go71b
HP 71B hardware emulator with NOMAS roms. - new display modes (use 'action' from menu) - realistic - full screen (use 'toggle keyboard' from menu) scroll some lines to see lines and keyboard - miniscreen scroll hor
HP 71B hardware emulator with NOMAS roms.
- new display modes (use 'action' from menu)
- realistic
- full screen (use 'toggle keyboard' from menu)
scroll some lines to see lines and keyboard
- miniscreen scroll horizontally to see whole lines
- automatic save state
- speed from 1/2 up to 40 (with a fast device) due to native core emulation
- deal with 6 ports (now port 0 is possible, so change the on-board ram from 4x4KB to 1x128KB for fun) (touch right part of emulated display to get config-screen)
- internal MATH rom, HPIL rom, JPCF rom on port 4
- internal FORTH rom on port 5
- use ram modules from 2KB up to 128KB for RAM or IRAM on any port (be carefull, filling device with ram need some carefull thinking as explained in the NOMAS software docs). Import/export them in '/go71b/rams'
- on kitkat device import/export is /Android/data/o2s.emul.hp71b/files instead of /go71b
- external rom support only softconfigured roms in 'go71b/roms' then import to see them on 'config'.
- use lif based raws files (lif-header + datas see ftp://ftp.hpmuseum.org/lif), lif disk images not usable.
- save/load emulators hp-files from/to first IRAM on port 1 to 5 (not from MAIN) to/from '/go71b/{lexs|raws}
- show lex-ID and min-max tokens #
- some help included (touch left part of emulated display)
- 'ON' + '/' supported, use 'press ON' (in Action menu) then touch '/' then press 'ON' to release it.
- paste from print file into keyboard as keystroke (stop with Attn)
- save display output into print file
- time and date in sync with android device (after a Memory Lost, do 'config/exit' then relaunch)
Avoid checking 'force gpu rendering' in developer option in android 4.x prefs, this leads to graphic problems.
On S5 devices, long press the right hardware button to get the menu.
See http://sites.google.com/site/olivier2smet2/home/go71b for some hints.
Previous Versions
Here you can find the changelog of go71b since it was posted on our website on 2017-01-02 12:19:26.
The latest version is 1.6.0 and it was updated on 2026-10-17 19:23:59. See below the changes in each version.
go71b version 1.6.0
Updated At: 2024-10-17
Changes: Support for Android 14 and above with the addition of the choice of an import export directory (similar to version 1.7 for old users)
On first launch choose a directory (where you want, internal memory of the phone or on an external SD card) in which the imports/exports will be done)
You can change this directory with 'Actions/Import directory'
go71b version 1.4.0
Updated At: 2016-12-14
Changes: v1.4.0,- should work on android 6 & 7,v1.3.3,- on kitkat device import/export is /Android/data/o2s.emul.hp71b/files instead of /go71b,v1.3.0,- intel cpu bug corrected
Disclaimer
Official Google Play Link
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