go87 APK

go87 APK

1.0.6 FreeOlivier De Smet ⇣ Download APK (782.38 KB)

HP 86 87 emulator

What's go87 APK?

go87 is a app for Android, It's developed by Olivier De Smet author.
First released on google play in 9 years ago and latest version released in 6 years ago.
This app has 1.3K download times on Google play and rated as 4.56 stars with 16 rated times.
This product is an app in Education category. More infomartion of go87 on google play
HP 87 hardware emulator (best display on 1280x800 screen device)

- include one quad disc HP9121 compatible disk unit (use RAW disc image)
- ram from 64 KB upto 2 MB (if you need more, 16 MB is possible, 8 MB for basic, 8MB for electronic disc)
- cpu speed from x1 upto x50 (now UCSD pascal is fast enough)
- rom drawer support (some usefull roms included)
- external keyboard support (physical or bluetooth)
- HP87 base model : graph crt at 544x240 as the real computer
- HP87+ : graph crt at 640x480 (roms patched)
- HP87++ : graph crt at 1016x480 (roms patched)
- cpu emulated in native C code for speed up
- landscape and portrait mode
- no sound

Directory base is /go87 for android < 4.4 and /Android/data/o2s.emul.hp87/files for other
On S5 devices, long press the right hardware button to get the menu.

Settings : press left part of emulated crt

Disks : put raw images named zzzz.d87 in go87/disks on sd card
Roms : put raw images (8K) named zzzz.r87 in go87/roms on sd card

To insert or remove disk : long press D70x buttons

Landscape mode is better for 87++ mode,
Portrait mode, use 'menu/actions/rotate' the choose ratio (HP87 crt or HP86 crt) with 'menu/actions/...ratio'

For some infos look at