#Nebu

Nebu is a spreadsheet calculator, written in Uxntal.

#Build

You must have the Uxn assembler and emulator.

uxnasm src/nebu.tal bin/nebu.rom
uxnemu bin/nebu.rom

#Usage

The nebu.rom expects a csv file:

uxnemu bin/nebu.rom etc/demo.csv

#Format

,Col1,Col2,Res,,,,
Row1,1,2,b01:c01,,,,
Row2,3,4,b02:c02,,,,
Res,b01:b02,c01:c02,b01:c02,,,,

#Commands

• a05; single reference.
• a05:c08 rectangular reference.

#ALU

• + Add cells.
• - Subtract cells.
• * Multiply cells.
• / Divide cells.
• > Write 1, if greater than
• < Write 1, if lesser than

#Controls

• mouse1 select cell.
• mouse2 inject coordinate.
• arrows move.
• start/home toggle dec/hex mode.
• delete clear cell.

#Ctrl

• ctrl+n new
• ctrl+s save
• ctrl+o open
• ctrl+r rename