Welcome to Calypsi tools for the Nut!

• 1. Introduction
• 2. Installation
  • 2.1. macOS
  • 2.2. Debian Linux
  • 2.3. Arch and Manjaro Linux
  • 2.4. Windows
  • 2.5. Using multiple versions
• 3. Programming the HP-41
  • 3.1. Using this guide
  • 3.2. Further reading
  • 3.3. Document conventions
• 4. Source files and file extensions
  • 4.1. File extensions
• 5. Nut assembler
  • 5.1. Source file format
  • 5.2. Preprocessor
  • 5.3. Sections
  • 5.4. Expressions
  • 5.5. Location counter
  • 5.6. Local labels
  • 5.7. Defining constants
  • 5.8. Constants that are locations
  • 5.9. Mainframe entry points
  • 5.10. Directives
  • 5.11. List files
  • 5.12. Macro language
  • 5.13. Object file format
  • 5.14. Relocations
• 6. RPN compiler
  • 6.1. RPN language
  • 6.2. Preprocessor
  • 6.3. A basic example
  • 6.4. Branches and labels
  • 6.5. Global alpha labels
  • 6.6. Using other plug-in modules
  • 6.7. Invoking local MCODE instructions
  • 6.8. Converting .raw files
  • 6.9. Merged XROM instructions
• 7. Module tool
  • 7.1. Extraction mode
  • 7.2. Creation mode
  • 7.3. Module description file
  • 7.4. Module exports file
  • 7.5. Extracting ROM pages
  • 7.6. Technical details
• 8. Linker
  • 8.1. Memory
  • 8.2. Linker rules file
  • 8.3. Linker list files
  • 8.4. Module files
  • 8.5. More on linker rules
• 9. Librarian
  • 9.1. Creating a library
• 10. NEWT
  • 10.1. Speed annotation
  • 10.2. Module files
• 11. Bank switching
  • 11.1. Hardware behavior
  • 11.2. Single page
  • 11.3. Exiting back
  • 11.4. Calling between banks
• 12. Barcode generator
  • 12.1. Language
  • 12.2. Preprocessor
  • 12.3. Branches and labels
• 13. Clonix tool
  • 13.1. Differences
  • 13.2. Load process
  • 13.3. Building the image
  • 13.4. Programming a module
  • 13.5. Setting up a Makefile
• 14. Other useful tools
  • 14.1. Editor
  • 14.2. Build engine
  • 14.3. Source code control
• 15. Instruction sets
  • 15.1. Non-local jumps
  • 15.2. Local branches
  • 15.3. Other jump and subroutine instructions
  • 15.4. Page relocatable jumps
  • 15.5. Pointer instructions
  • 15.6. Arithmetic instructions
  • 15.7. Flag instructions
  • 15.8. Data memory
  • 15.9. Keyboard
  • 15.10. Miscellaneous
• 16. HP instruction set
  • 16.1. Non-local jump instructions
  • 16.2. Local branches
  • 16.3. Page relocatable jumps
  • 16.4. Other jump and subroutine instructions
  • 16.5. Pointer instructions
  • 16.6. Arithmetic instructions
  • 16.7. Flag instructions
  • 16.8. RAM memory instructions
  • 16.9. ROM memory instructions
  • 16.10. Keyboard instructions
  • 16.11. Miscellaneous instructions
  • 16.12. LCD instructions
  • 16.13. Timer chip instructions
  • 16.14. Card reader instructions
  • 16.15. Wand instructions
  • 16.16. HP-IL instructions
  • 16.17. Peripheral instructions
  • 16.18. Hepax instructions
  • 16.19. NEWT specific instructions
• 17. Jacobs-DeArras instruction set
  • 17.1. Non-local jump instructions
  • 17.2. Local branches
  • 17.3. Page relocatable jumps
  • 17.4. Other jump and subroutine instructions
  • 17.5. Pointer instructions
  • 17.6. Arithmetic instructions
  • 17.7. Flag instructions
  • 17.8. RAM memory instructions
  • 17.9. ROM memory instructions
  • 17.10. Keyboard instructions
  • 17.11. Miscellaneous instructions
  • 17.12. Hepax instructions
  • 17.13. NEWT specific instructions
  • 17.14. Peripheral instructions
• 18. 4K page layout
  • 18.1. FAT order
• 19. Character sets
  • 19.1. HP-41 character set
  • 19.2. HP-41 display characters
• 20. Examples
  • 20.1. Hello world
  • 20.2. RPN games module
  • 20.3. Modules on the internet