def test_clock(self):
memory = [0] * 0x10000
new_memory = [0xEA, 0x00, 0x00]
# Assign new memory
for val, i in enumerate(new_memory):
memory[val] = i
cpu = LR35902(memory)
cpu.clock()
self.assertEqual(1, 1)
def test_ld_nn_n(self):
memory = [0] * 0x10000
new_memory = [0x06, 0x53]
# Assign new memory
for val, i in enumerate(new_memory):
memory[val] = i
cpu = LR35902(memory)
cpu.clock()
self.assertEqual(cpu.B, 0x53)
def test_cb_swap(self):
memory = [0] * 0x10000
new_memory = [0x06, 0x53, 0xCB, 0x30]
# Assign new memory
for val, i in enumerate(new_memory):
memory[val] = i
cpu = LR35902(memory)
for _ in range(4):
cpu.clock()
self.assertEqual(cpu.B, 0x35)
def __init__(self, pubsub, attach_debugger=False, bootloader_enabled=True):
self.memory = Memory(pubsub)
self.cpu = LR35902(self.memory.cpu_port, pubsub)
self.timer = Timer(self.memory.timer_port)
self.ppu = PPU(self.memory.ppu_port)
self.rate = 0
self.clocks = 0
if attach_debugger:
self.debugger = Debugger(self)
if not bootloader_enabled:
# Disable bootloader and skip it.
self.memory.cpu_port[Memory.REGISTER_BOOTLOADER_DISABLED] = 0xFF
self.cpu.PC = 0x100
self.running = False
def test_interrupt_toggle(self):
memory = [0] * 0x10000
new_memory = [
0x06, # 8
0x53,
0x06, # 8
0x53,
0xFB, # 4
0x06, # 8
0x53,
0xF3, # 4
0x06, # 8
0x53
]
# Assign new memory
for val, i in enumerate(new_memory):
memory[val] = i
cpu = LR35902(memory)
for _ in range(4):
cpu.clock()
self.assertFalse(cpu.interrupts['enabled'])
for _ in range(1):
cpu.clock()
self.assertFalse(cpu.interrupts['enabled'])
for _ in range(2):
cpu.clock()
self.assertTrue(cpu.interrupts['enabled'])
for _ in range(1):
cpu.clock()
self.assertTrue(cpu.interrupts['enabled'])
for _ in range(2):
cpu.clock()
self.assertFalse(cpu.interrupts['enabled'])
def test_initialize(self):
LR35902([])
self.assertEqual(1, 1)
import time
from gbc_emulator.mqtt import Mqtt
from gbc_emulator.lr35902 import LR35902
cpu = LR35902(None, None)
class bcolors:
GREEN = '\u001b[38;5;2m'
ENDC = '\033[0m'
def print_monitor(monitor):
#print("\033[1;1H" + time.asctime())
print("\033[1;1H\u001b[2J" + time.asctime())
print("\nProgram:")
pc = monitor["registers"]["PC"]
for address, value in monitor["program"]:
val_int = int(value, 16)
mnemonic = "<Unknown>"
if val_int == 0xCB:
mnemonic = "<Bitwise Extension>"
else:
instruction = cpu.instructions[val_int]
if instruction:
mnemonic = instruction.mnemonic
if pc == address:
print(bcolors.GREEN +
" 0x{}: 0x{} {}".format(address, value, mnemonic) +
bcolors.ENDC)