GitHub - jdeblese/gbcpu: A CPU and peripherals implementing the Gameboy (TM) instruction set and functionality

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A CPU and peripherals implementing the Gameboy (TM) instruction set and functionality

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Name		Name	Last commit message	Last commit date
Latest commit History 134 Commits
.gitignore		.gitignore
LEGAL		LEGAL
README		README
alu.dot		alu.dot
alu.vhd		alu.vhd
apu.vhd		apu.vhd
apu_tb.vhd		apu_tb.vhd
cartram.vhd		cartram.vhd
clockgen.vhd		clockgen.vhd
cpu.vhd		cpu.vhd
cpu_tb.sh		cpu_tb.sh
cpu_tb.vhd		cpu_tb.vhd
cpuregs.vhd		cpuregs.vhd
debouncer.vhd		debouncer.vhd
driver.vhd		driver.vhd
fakeuart.vhd		fakeuart.vhd
fakeuart_tb.sh		fakeuart_tb.sh
fakeuart_tb.vhd		fakeuart_tb.vhd
fakeuart_tb.wcfg		fakeuart_tb.wcfg
microasm.py		microasm.py
microcode.asm		microcode.asm
microcode.vhd		microcode.vhd
oledcpu.ucf		oledcpu.ucf
oledcpu.vhd		oledcpu.vhd
regfile16bit.vhd		regfile16bit.vhd
regfile16bit_tb.vhd		regfile16bit_tb.vhd
rf16_tb.cmd		rf16_tb.cmd
rf16_tb.sh		rf16_tb.sh
rf16_tb.wcfg		rf16_tb.wcfg
sysram.vhd		sysram.vhd
system.vhd		system.vhd
timer.vhd		timer.vhd
timer_int.asm		timer_int.asm
types.vhd		types.vhd
video.vhd		video.vhd
video_tb.sh		video_tb.sh
video_tb.vhd		video_tb.vhd

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An implementation of the Nintendo Gameboy (TM) instruction set based on information in
the "Gameboy (TM) CPU Manual" and various other sources. Accurately modeling the
behaviour -- speed, operations, etc -- rather than duplicating the actual hardware
is the goal. The design centers on an 8-bit ALU and a 16-bit register file with minimal
arithmetic functionality.