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WIP implementing Pat80 IO device

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TODO: allow to dynamically load io devices modules to not override the
original one
This commit is contained in:
Daniele Verducci 2022-05-25 23:41:10 +02:00
parent 159803f6c6
commit 3c1843ab4b
1 changed files with 9 additions and 16 deletions
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25
src/z80/io.py
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@ -17,7 +17,7 @@ class Interruptable(object):
pass
class Console(QTextEdit, IO):
_addresses = [0x80, 0x81]
_addresses = [0x00, 0x01]
_wrt_sgnl = Signal(int, int)
def __init__(self, interruptable):
#assert isinstance(interruptable, Interruptable )
@ -37,17 +37,15 @@ class Console(QTextEdit, IO):
def read(self, address):
print ("READ ", address)
if address == 0x80:
v = ((1 << 1) | # RTS
((self._send_queue is not None) << 0) | # interrupt?
0 )
return v
elif address == 0x81:
# Sono invertiti? Per colpa dell'emulatore?
if address == 0x01:
pass
elif address == 0x00:
if self._send_queue is not None:
val = self._send_queue
self._send_queue = None
return val
return 0x13
return 0x0
@Slot(int, int)
@ -56,15 +54,10 @@ class Console(QTextEdit, IO):
self._wrt_sgnl.emit(address, value)
def _write(self, address, value):
if address == 0x80:
if address == 0x01:
pass
elif address == 0x81:
if value < 128 and value > 10:
self.setText(self.toPlainText()+chr(value))
else:
self.setText(self.toPlainText()+".")
else:
raise Exception("Trying Console IO with wrong address")
elif address == 0x0:
self.setText(self.toPlainText()+chr(value))
def keyPressEvent(self, event):
# print ("Event:", event)