decoders: Add/update tags for each PD.

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

diff --git a/decoders/z80/pd.py b/decoders/z80/pd.py
index a8acf53c3aab2e327d544a7c4a765d7504db1afb..7cadec92c9c08bf7f1b3f99705f431a4f96d5393 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'
@@ -72,6 +72,7 @@ class Decoder(srd.Decoder):
     license  = 'gplv3+'
     inputs   = ['logic']
     outputs  = ['z80']
+    tags     = ['Retro computing']
     channels = tuple({
             'id': 'd%d' % i,
             'name': 'D%d' % i,
@@ -111,6 +112,9 @@ class Decoder(srd.Decoder):
     )
 
     def __init__(self):
+        self.reset()
+
+    def reset(self):
         self.prev_cycle = Cycle.NONE
         self.op_state   = self.state_IDLE
 
@@ -129,8 +133,10 @@ 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: