JNEXT
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JNEXT User Guide
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GitHub
This version: v0.99.147
Latest version: —
JNEXT User Guide
GitHub
This version: v0.99.147
Latest version: —
Home
1. Introduction
1. Introduction
What it emulates
How faithful it is
Machines at a glance
Getting help and reporting bugs
2. Installing
2. Installing
Linux
Windows
macOS
Optional: video recording
Checking it worked
Building from source
3. First run
3. First run
Why JNEXT needs an SD-card image
Letting JNEXT fetch one
Using your own image
The first boot
Running a program
If something goes wrong
4. Configuration
4. Configuration
Preferences
The configuration file
What wins: the command line
5. Running programs
5. Running programs
5.1 Choosing a machine
5.2 Input
5.3 Display
5.4 Sound
5.5 Recording and playback
5.6 Networking
6. The debugger
6. The debugger
Panels
Panels
CPU registers
MMU
Disassembly
Memory
Stack
Call stack
Watches
Breakpoints
Video
Sprites
Copper
NextREG
Audio
Functions
Functions
Run, pause, and the step family
Run to cursor, run to end of frame, run to end of scanline
Breakpoints: execute, read, write, I/O
Watches and watch sizes
Symbols from Z88DK MAP files
The trace log
Backward execution (rewind)
The magic breakpoint and the magic port
7. Automation and CI
7. Automation and CI
7.1 Headless mode
7.2 Determinism
7.3 Exit codes, and the capture that was never taken
7.4 A worked example
7.5 Beyond screenshots
8. Known issues
9. Reference
9. Reference
9.1 Command-line options
9.2 Files and directories
9.3 ZX Spectrum Next hardware documentation
9.4 The project
Functions
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