This is a CHIP-8 emulator written in Rust. The goal of this project is to write a composable CHIP-8 system without a hard dependency to the display and sound backends.
This is achieved through the use of a IO port abstraction where the main system is connected to external virtual components (keyboard, screen, beeper).
As of now, the keyboard and screen are implemented using the druid GUI library.
The beeper component uses the cpal library.
USAGE:
chip8.exe [OPTIONS] <FILENAME>
ARGS:
<FILENAME> Set input filename of the image to run
FLAGS:
-h, --help Print help information
-V, --version Print version information
OPTIONS:
-b, --bg-color <BG_COLOR>
Set background color for the gui (hex HTML-like RGB color value)
-c, --cpu-frequency <CPU_FREQUENCY>
Set CPU frequency (> 0 and < 5000 Hz)
-f, --fg-color <FG_COLOR>
Set foreground color for the gui (hex HTML-like RGB color value)
-k, --kb-profile <KB_PROFILE>
Set profile mapping physical to virtual keyboard (supported profiles: default, qwerty,
azerty)
QUIRKS:
-d, --draw-wraps-pixels Draw operations wrap pixels around the edges of the screen
-l, --load-store-ignores-i Load and store instructions do not increment the I register
-s, --shift-reads-vx Shift operations read the VX register instead of VY
The project also includes a basic assembler, c8asm.
Usage:
$ c8asm input_file output_file
See the included example: ex.c8asm
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