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 http://www.series80.org/ http://sites.google.com/site/olivier2smet2/hpseries80/fpga-hp86b