verilog work "Uart.v" verilog work "Timer.v" verilog work "Interrupt.v" verilog work "GBZ80Core.v" verilog work "CPUDCM.v" verilog work "7seg.v" verilog work "System.v" verilog work "LCDC.v" verilog work "Framebuffer.v" verilog work "pixDCM.v"