def main(argv: Optional[list[str]] = None):
args = argument_parser.parse_args(argv)
library_list = []
if not args.simple:
library_list.append('eight_bit.builtin_modules')
library_list.extend(args.libraries)
module_list: list[type[Module]] = args.modules
for (i, module_name) in enumerate(module_list):
module_list[i] = colonimport(module_name)
for library_name in library_list:
library = import_module(library_name)
for subname in get_obj_listing(library):
libobj = getattr(library, subname)
if issubclass(libobj, Module):
module_list.append(libobj)
modules: dict[str, type[Module]] = {}
for module in module_list:
modules[module.module_name] = module
config = configparser.ConfigParser()
config.read(args.ini)
pc_config = config.pop('pc', {})
pc_modules = {}
for mod_config_name in config:
if mod_config_name == 'DEFAULT':
continue
mod_config = config[mod_config_name]
mod_type_name = mod_config.pop('type')
mod_type = modules[mod_type_name]
start = int(mod_config.pop('start'), 0)
length = int(mod_config.pop('length'), 0)
pc_modules[mod_config_name] = mod_type(start=start, length=length, **mod_config)
computer = Computer(list(pc_modules.values()), debug=args.verbose)
computer.run()
def ldx(comp: Computer):
ptr = getat_pages(comp)
data = comp.getat(ptr)
comp.regx = data
def end(comp: Computer):
comp.running = False
def sub2(comp: Computer):
ptr = getat_pages(comp, True)
data = comp.getat(ptr)
comp.accum -= data
comp.overflow = comp.accum < 0
comp.accum %= 256
def sta2(comp: Computer):
ptr = getat_pages(comp, True)
comp.setat(ptr, comp.accum)
def sty2(comp: Computer):
ptr = getat_pages(comp, True)
comp.setat(ptr, comp.regy)
def lda2(comp: Computer):
ptr = getat_pages(comp, True)
data = comp.getat(ptr)
comp.accum = data
def ldy2(comp: Computer):
ptr = getat_pages(comp, True)
data = comp.getat(ptr)
comp.regy = data
def add2(comp: Computer):
ptr = getat_pages(comp, True)
data = comp.getat(ptr)
comp.accum += data
comp.overflow = comp.accum > 255
comp.accum %= 256
def jmp(comp: Computer):
comp.pc = getat_pages(comp) - 1
def adi(comp: Computer):
comp.pc += 1
data = comp.getat(comp.pc)
comp.accum += data
comp.overflow = comp.accum > 255
comp.accum %= 256
def ada(comp: Computer):
comp.accum += comp.accum
comp.overflow = comp.accum > 255
comp.accum %= 256
def ady(comp: Computer):
comp.accum += comp.regy
comp.overflow = comp.accum > 255
comp.accum %= 256
def sti2(comp: Computer):
ptr = getat_pages(comp, True)
comp.pc += 1
data = comp.getat(comp.pc)
comp.setat(ptr, data)
def getat_pages(comp: Computer, pageswitch: bool = False):
if pageswitch:
comp.pc += 2
return comp.getat(comp.pc - 1) * 256 + comp.getat(comp.pc)
comp.pc += 1
return comp.getat(comp.pc)
def ldy_imm(comp: Computer):
comp.pc += 1
data = comp.getat(comp.pc)
comp.regy = data
def sby(comp: Computer):
comp.accum -= comp.regy
comp.overflow = comp.accum < 0
comp.accum %= 256
def lda_imm(comp: Computer):
comp.pc += 1
data = comp.getat(comp.pc)
comp.accum = data
def sba(comp: Computer):
comp.accum -= comp.accum
comp.overflow = comp.accum < 0
comp.accum %= 256
def sty(comp: Computer):
ptr = getat_pages(comp)
comp.setat(ptr, comp.regy)
def sbi(comp: Computer):
comp.pc += 1
data = comp.getat(comp.pc)
comp.accum -= data
comp.overflow = comp.accum < 0
comp.accum %= 256
def jmp2(comp: Computer):
comp.pc = getat_pages(comp, True) - 1
def sta(comp: Computer):
ptr = getat_pages(comp)
comp.setat(ptr, comp.accum)