From 0d01b813509553260eae35b645f040d2b97fe3eb Mon Sep 17 00:00:00 2001
From: toni <matzeton@googlemail.com>
Date: Tue, 8 Dec 2015 18:37:34 +0100
Subject: - added z80 LED matrix snake game

---
 z80/z80_decoder.abl | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 z80/z80_decoder.abl

(limited to 'z80/z80_decoder.abl')

diff --git a/z80/z80_decoder.abl b/z80/z80_decoder.abl
new file mode 100644
index 0000000..a51e89b
--- /dev/null
+++ b/z80/z80_decoder.abl
@@ -0,0 +1,17 @@
+module z80_adr_decoder
+
+declarations 
+dev device 'P16v8';
+IOR, a4, a5, a6, a7, MEMREQ pin 1,2,3,4,5,6;
+ROMCE, RAMCE, PIO1CE, PIO2CE, CTCCE pin 16, 12, 13, 14, 15;
+
+
+equations
+!ROMCE	= (!MEMREQ & !a7);
+!RAMCE	= (!MEMREQ & a7);
+!PIO1CE = (!IOR & a4 & !a5 & !a6);
+!PIO2CE = (!IOR & a5 & !a4 & !a6);
+!CTCCE	= (!IOR & a6 & !a5 & !a4);
+
+end z80_adr_decoder
+
-- 
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