FpChip8

FpChip8 is a FPGA implementation of the CHIP-8 with VHDL. It provides full support of the chip and includes 34 games which can be played using a keypad or on the board directly.

Originally implemented on Altera DE1 Board, FpChip8 can be easily ported into other boards or FPGA systems without extra work. All files are well documented and outlined for the easy understanding and portability, made considering the graphical RTL visualization since the beginning.

This implementation uses buzzer outputting audio at 250 Hz square wave, uses a 4x4 keypad for controlling the 16 CHIP-8 buttons, the four press keys for picking which game to play, reeset/load and changing screen color. Output is VGA at 640x480, but the internal CHIP-8 resolution is 64x32 and a VGA scaler is used for that. It also means that CHIP-8 video output can be easily adapted to HDMI or other video output method, including LED matrixes.

If you're getting started with FPGAs and VHDL, CHIP-8 is definitely a good guide for doing your first full project!

A video with some gameplay is available at https://youtu.be/cncZqL_IjYM

Name		Name	Last commit message	Last commit date
Latest commit History 8 Commits
roms		roms
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
alt_keypad.vhd		alt_keypad.vhd
alu.vhd		alu.vhd
bcd_gen.vhd		bcd_gen.vhd
bcd_gen_tb.vhd		bcd_gen_tb.vhd
board_main.vhd		board_main.vhd
board_main_tb.vhd		board_main_tb.vhd
c8_60hz.vhd		c8_60hz.vhd
c8_prog_rom.vhd		c8_prog_rom.vhd
c8_progfull.vhd		c8_progfull.vhd
c8_programmer.vhd		c8_programmer.vhd
c8video_to_vga.vhd		c8video_to_vga.vhd
chip8.qpf		chip8.qpf
chip8.qsf		chip8.qsf
chip8.qws		chip8.qws
chip8.vhd		chip8.vhd
chip8_tb.vhd		chip8_tb.vhd
control_circuit.vhd		control_circuit.vhd
counter.vhd		counter.vhd
de1_main.vhd		de1_main.vhd
hex_to_bcd.vhd		hex_to_bcd.vhd
i_flow.vhd		i_flow.vhd
key_sel.vhd		key_sel.vhd
keypad.vhd		keypad.vhd
main_ram.vhd		main_ram.vhd
main_ram_tb.vhd		main_ram_tb.vhd
mem_flow.vhd		mem_flow.vhd
nibble_to_bcd.vhd		nibble_to_bcd.vhd
pc_flow.vhd		pc_flow.vhd
prng.vhd		prng.vhd
ram_dual.qip		ram_dual.qip
ram_dual.vhd		ram_dual.vhd
reg_timer.vhd		reg_timer.vhd
regn.vhd		regn.vhd
stack.vhd		stack.vhd
stack_ram.vhd		stack_ram.vhd
std_vga.vhd		std_vga.vhd
video_ctrl.vhd		video_ctrl.vhd
video_ctrl_tb.vhd		video_ctrl_tb.vhd
video_flow.vhd		video_flow.vhd
video_main.vhd		video_main.vhd
video_ram.vhd		video_ram.vhd
video_ram_main.qip		video_ram_main.qip
video_ram_main.vhd		video_ram_main.vhd
vreg.vhd		vreg.vhd
vreg_flow.vhd		vreg_flow.vhd

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