# ROMFILE = 'nestest.nes'
# STARTADDR = 0xC000
# ROMFILE = 'instr_test-v4/official_only.nes'
# # unfortunately, the rom singles use unofficial instructions
# ROMFILE = 'instr_test-v4/rom_singles/02-implied.nes'
# STARTADDR = None
# ROMFILE = 'donkeykong.nes'
# STARTADDR = None
ROMFILE = 'smb.nes'
STARTADDR = None
nestestrom = rom.readRom(ROMFILE)
c = cpu.CPU(rom=nestestrom)
startaddr = c.mem.dereference(mem.VEC_RST)
startop = opc.instrFromAddr(startaddr, c)
firstops = opc.instrListFromAddr(startaddr, 50, c)
firstassem = "\n".join([op.disassemble() for op in firstops])
if STARTADDR is not None:
c.PC = STARTADDR
c.printState()
def run(delay=0):
instructions = 0
try:
while True:
c.tick()
def makeCPU(romfilepath,
*cpuargs, **cpukwargs):
r = rom.readRom(romfilepath)
return cpu.CPU(rom=r,
*cpuargs, **cpukwargs)