Saturn v0.1.10

Key Improvements:

• Generally increase contrast to make UI elements more visible.
• Fix bug where the $zero register would be able to be written to with certain instructions.
• Fixed a bug that would cause a hang on some Windows processors.
• Add a Light Theme (thanks Milo and lachrymaLF)
• Performance improvements (thanks Milo)
• Lots of work to make WebSaturn and WASM execution work.

You can find the current build of WebSaturn here: https://github.com/1whatleytay/saturn. Although as of November 11, 2024 it is not yet recommended due to missing File Load/Save functionality.

Saturn v0.1.8 Patch

This is a special build variant of v0.1.8. Only use this version if you are having problems with freezing. It is slower than v0.1.8 but contains a change that may help fix freezing.

These fixes were merged into Saturn v0.1.9. Please file a bug if you have any issues.

Saturn v0.1.9

Key Improvements:

• Saturn now allows you to edit the contents of memory from the memory tab.
• Saturn now watches for filesystem events, allowing you to use your editor of choice (e.g. VS Code).
• Live error messages now have proper instruction formatting.
• You can now backstep out of exceptions or errors (to see where your error originated).
• With time travel, If you jump to an invalid address then the causing address.
• Jump instruction had an edge case encoding problem, which is now fixed.
• Added option to interpret register values as signed.
• Filesystem access has been restricted for security.

Saturn v0.1.8

Key Improvements:

• Add Debug tab, containing information about the current instruction and stack
• Add better error messages for CPU exceptions
• Fix bugs related to Time Travel and memory
• Add Home and End shortcuts
• Add .entry directive to modify entry point
• Allow option to Export Regions into binary and HexV3 (File -> Export Hex regions)

Saturn v0.1.7

Key Improvements:

• Added Time Travel (stepping backwards in execution)
• Symbol names and braces will highlight when the cursor moves over them
• .include directive has been added
• Fix sge/sne/sgt/sgtu and undo queue
• Breakpointing empty lines will stop at the next instruction (and other debugging intuition helpers)
• Added a settings page for basic configuration

Saturn v0.1.6

Key Improvements:

• .word directive will now take label names
• Anchor breakpoints introduced (so you don't need to step multiple times on some instructions)
• I-Type assembler instructions will no-longer overflow silently (with large immediates > 32768)
• Register tab keeps the state of registers even after the program terminates
• Registers in the registers tab can be viewed in Hex or Decimal form
• Units added to the display dialog (to avoid confusion with MARS)
• Ctrl, Tab, Shift work in more highlighting and autocomplete interactions

Saturn v0.1.5

Key Improvements:

• Improve registers view (including register value editing during debug)
• Add additional pseudo-instructions (bnez, sge, bgeu, sgeu)
• Allow label offsets (you can write LABEL + 5 to refer to the 5th byte after LABEL)
• Delete many spaces at once when pressing backspace
• Allow reorganizing tabs (drag and drop)
• Programs can check if a key is pressed by accessing the 128 ASCII bytes following 0xffff0080

Saturn v0.1.4

This release is fairly stable. For the latest updates, use v0.1.5.

Key improvements:

• Labels are Included in Autocomplete Suggestions
• Goto Definition (Ctrl + Click)
• Improved Alt-Consume Behaviour Around Spaces
• Double/Triple Click now Bulk Select
• macOS Build is Signed and Universal

Saturn v0.1.3

Key improvements:

• Improved console tab with input.
• Improved suggestions performance.
• Improved Bitmap Display responsiveness.
• Improved Titan's assembler.
• User will be prompted to save before closing a tab.
• Tabs state will be autosaved periodically and restored on restart.