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fix: fix wav loading

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This commit is contained in:
shokre 2023-10-21 06:43:19 +02:00
parent 3bd5c9ddc1
commit 94bc7f7401
1 changed files with 8 additions and 4 deletions
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12
orao/cpu.py
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@ -85,7 +85,7 @@ class CPU(object):
def get_word(self, addr): return 256 * self.get_byte(addr + 1) + self.get_byte(addr) def get_word(self, addr): return 256 * self.get_byte(addr + 1) + self.get_byte(addr)
def get_filename(self): return 'wav/{0}.WAV'.format(str(self.memory[592:602]).rstrip()) def get_filename(self): return 'wav/{0}.WAV'.format(str(self.memory[592:602], 'ASCII').rstrip())
def speaker(self): def speaker(self):
self.flipflop ^= 1 self.flipflop ^= 1
@ -95,14 +95,18 @@ class CPU(object):
self.sndbuf += [255] * self.samples + [0] * self.samples self.sndbuf += [255] * self.samples + [0] * self.samples
self.last_sound_cycles = self.cycles self.last_sound_cycles = self.cycles
def tape_load_gen(self):
for i in wave.open(self.get_filename()).readframes(2 ** 24):
for j in 2 * [i]:
yield 255 * (j > 128)
def get_byte(self, addr): def get_byte(self, addr):
if addr == 0x87FF: # Adresa ulaza kasetofona if addr == 0x87FF: # Adresa ulaza kasetofona
if not self.tape: if not self.tape:
self.tape = (255*(ord(j)>128) for i in \ self.tape = self.tape_load_gen()
wave.open(self.get_filename()).readframes(2**24) for j in 2*i)
try: try:
return self.tape.next() return next(self.tape)
except StopIteration: except StopIteration:
self.tape = None self.tape = None