go97c


HP 97 emulator for android.


Best experience with a 7" screen at 1280x800
  • Two modes : HP97 and HP97+
  • Automatic save and load of state.
  • Card pack concept
  • use 'imports packs' to create the directories on your sd-card
  • then put downloaded packs in 'go97c/packs'
  • use 'imports packs' again, now you can load packs from card activity (touch top left slot)
  • Can save prints as PNG files (in go97c/prints')
    • use 'refresh' to redraw paper from beginning
    • default size is 150 lines
    • MANUAL/TRACE/NORM supported
    • if 'size' is too large, it is taken back at 100 lines (should work up to 1000 lines, memory dependent)
  • Speed from x1 uto x32 (x16 recommended for HP97+ mode)

HP97 mode:

  • 26 registers (0-19, A-E and I, mapped from 20 to 25)
  • 224 program steps (touch led display to slide from RUN to PRGM)
  • 1 side of card records 112 steps or 16 registers (long press the displayed card to remove it from display)
  • packs extension is .pck, campatable with go67c packs.

HP97+ mode:

    Patched original ROM with some new abilities.

  • 106 registers (0-99, A-E and I, mapped from 100 to 105)
  • 896 program steps
  • 1 side of card records 896 steps or 106 registers (noted as + cards)
  • pack extension is .pck+
  • 5 new instructions
    • RCLe keyed as 'RCL' 'e^x': use E as indirect register for STO
    • STOe keyed as 'RCL' 'e^x': use E as indirect register for RCL
    • GT>e keyed as 'GTO' 'e^x': use E as indirect register for GTO
    • GS>e keyed as 'GSB' 'e^x': use E as indirect register for GSB
    • BC^X keyed as 'LBL' 'e^x': goto X step back
First release:
  • should work with at least 854x480 screen.

Nice printing of STD-01

Speed and mode

Card pack, here standard pack

HP 97+ mode, see new instructions printed at steps 880's

Emulator loosely based on Non-Pareil from Eric Smith, font by Luiz C. Vieira.
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Math 1.pck
(13k)
Olivier De Smet,
Sep 21, 2012, 7:27 AM
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Math 1.pck+
(93k)
Olivier De Smet,
Sep 21, 2012, 7:28 AM
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Standard 1.pck
(9k)
Olivier De Smet,
Sep 21, 2012, 7:28 AM
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Standard 1.pck+
(70k)
Olivier De Smet,
Sep 21, 2012, 7:28 AM
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