refactor control command processing

This commit is contained in:
Greg Hewgill 2011-08-20 13:59:22 +12:00
parent 19693bc905
commit 8b62860152

View File

@ -335,6 +335,44 @@ class ControlHandler:
self.sock.send("ApplePy 6502 core\n")
self.buffer = ""
def cmd_help(self, args):
self.sock.send("commands: %s\n" % ", ".join(sorted(x[4:] for x in dir(self) if x.startswith("cmd_"))))
def cmd_peek(self, args):
addr = int(args[1])
self.sock.send("%02X\n" % self.cpu.memory.read_byte(self.cpu.cycles, addr))
def cmd_poke(self, args):
addr = int(args[1])
val = int(args[2])
self.cpu.memory.write_byte(self.cpu.cycles, addr, val)
self.sock.send("poked\n")
def cmd_status(self, args):
self.sock.send("A=%02X X=%02X Y=%02X S=%02X PC=%04X F=%c%c0%c%c%c%c%c\n" % (
self.cpu.accumulator,
self.cpu.x_index,
self.cpu.y_index,
self.cpu.stack_pointer,
self.cpu.program_counter,
"N" if self.cpu.sign_flag else "n",
"V" if self.cpu.overflow_flag else "v",
"B" if self.cpu.break_flag else "b",
"D" if self.cpu.decimal_mode_flag else "d",
"I" if self.cpu.interrupt_disable_flag else "i",
"Z" if self.cpu.zero_flag else "z",
"C" if self.cpu.carry_flag else "c",
))
def cmd_quit(self, args):
self.cpu.quit = True
self.sock.send("quitting\n")
def cmd_reset(self, args):
self.cpu.reset()
self.cpu.running = True
self.sock.send("resetting\n")
def handle_read(self):
buf = self.sock.recv(1024)
if not buf:
@ -348,39 +386,9 @@ class ControlHandler:
s = self.buffer[:i].strip()
self.buffer = self.buffer[i+1:]
a = s.split()
if a[0] == "help":
self.sock.send("commands: help, peek, poke, status, quit, reset\n")
elif a[0] == "peek":
addr = int(a[1])
self.sock.send("%02X\n" % self.cpu.memory.read_byte(self.cpu.cycles, addr))
elif a[0] == "poke":
addr = int(a[1])
val = int(a[2])
self.cpu.memory.write_byte(self.cpu.cycles, addr, val)
self.sock.send("poked\n")
elif a[0] == "status":
self.sock.send("A=%02X X=%02X Y=%02X S=%02X PC=%04X F=%c%c0%c%c%c%c%c\n" % (
self.cpu.accumulator,
self.cpu.x_index,
self.cpu.y_index,
self.cpu.stack_pointer,
self.cpu.program_counter,
"N" if self.cpu.sign_flag else "n",
"V" if self.cpu.overflow_flag else "v",
"B" if self.cpu.break_flag else "b",
"D" if self.cpu.decimal_mode_flag else "d",
"I" if self.cpu.interrupt_disable_flag else "i",
"Z" if self.cpu.zero_flag else "z",
"C" if self.cpu.carry_flag else "c",
))
elif a[0] == "quit":
self.cpu.quit = True
self.sock.send("quitting\n")
elif a[0] == "reset":
self.cpu.reset()
self.cpu.running = True
self.sock.send("resetting\n")
else:
try:
getattr(self, "cmd_" + a[0])(a)
except AttributeError:
self.sock.send("unknown command\n")