Add a CFP decoder.

[libsigrokdecode.git] / decoders / z80 / pd.py

diff --git a/decoders/z80/pd.py b/decoders/z80/pd.py
index e0d7ae4958c0a2a67f46f3e7dd2893f3f804e4cc..b7ff9a56b16ac83cc62bba2e6781876241b306dc 100644 (file)
--- a/decoders/z80/pd.py
+++ b/decoders/z80/pd.py
@@ -64,7 +64,7 @@ def signed_byte(byte):
     return byte if byte < 128 else byte - 256
 
 class Decoder(srd.Decoder):
-    api_version = 2
+    api_version = 3
     id       = 'z80'
     name     = 'Z80'
     longname = 'Zilog Z80 CPU'
@@ -110,7 +110,10 @@ class Decoder(srd.Decoder):
         ('warnings', 'Warnings', (Ann.WARN,))
     )
 
-    def __init__(self, **kwargs):
+    def __init__(self):
+        self.reset()
+
+    def reset(self):
         self.prev_cycle = Cycle.NONE
         self.op_state   = self.state_IDLE
 
@@ -129,8 +132,10 @@ class Decoder(srd.Decoder):
         self.op_state   = self.state_IDLE
         self.instr_len  = 0
 
-    def decode(self, ss, es, data):
-        for (self.samplenum, pins) in data:
+    def decode(self):
+        while True:
+            # TODO: Come up with more appropriate self.wait() conditions.
+            pins = self.wait()
             cycle = Cycle.NONE
             if pins[Pin.MREQ] != 1: # default to asserted
                 if pins[Pin.RD] == 0: