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# VerilogBoy GFMPW0
Uses VerilogBoy design from https://github.com/zephray/VerilogBoy.
VerilogBoy is a GameBoy-compatible system design in synthesizable Verilog RTL. The submission for GFMPW0 includes the following components:
- SM83 (GBZ80) CPU core
- Pixel processing unit
- Programmable sound generator
- Timer
- Stereo PDM audio output
To form a complete GB system, users need to provide the following additional components:
- Generic 16KB Async SRAM
- Some buttons for input
- 160x144 LCD
- Low pass filter and audio amplifier
- Unmodified GameBoy game cartridge
- Small amount of glue logic
The simtop.v maybe used as a reference on external components required.
A Verilator-based testbench is provided in verilog/sim.
## Implementation Results
The implementation has 43% ultilization of a 1.5mm x 1.5 mm core area. The Fmax is around 20MHz at typical corner, 3.3V with no hold violation. The design is supposed to run up to 4MHz at 5V.
## License
Unless otherwise stated, HDL codes are licensed under OHDL 1.0, and software codes are licensed under MIT.