diff --git a/mapping/address_decoder.jed b/mapping/address_decoder.jed
index a3a8c02..868fae5 100644
--- a/mapping/address_decoder.jed
+++ b/mapping/address_decoder.jed
@@ -2,11 +2,11 @@
 GAL20V8
 EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
 Copyright (c) National Semiconductor Corporation 1990-1993
-Assembled from "c:\ADDRES~1.EQN". Date: 3-4-121
+Assembled from "d:\MAPPING\ADDRES~1.EQN". Date: 1-10-123
 *
 NOTE PINS RW:2 A8:3 A7:4 A6:5 A5:6 A4:7 A3:8 A2:9 A1:10 A0:11*
 NOTE PINS GND:12 A11:14 A10:15 A9:16 SR:17 RD:18 WD:19 ROM:20*
-NOTE PINS RES:21 PHI:22 R:23 VCC:24*
+NOTE PINS RES:21 PHI:22 T:23 VCC:24*
 NOTE GALMODE SMALL*
 QF2706*QP24*F0*
 L0320
diff --git a/mapping/address_decoder.log b/mapping/address_decoder.log
index 858ca00..5099abd 100644
--- a/mapping/address_decoder.log
+++ b/mapping/address_decoder.log
@@ -1,7 +1,7 @@
 EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
 Copyright (c) National Semiconductor Corporation 1990-1993
 
-Log file for c:\ADDRES~1.EQN
+Log file for d:\MAPPING\ADDRES~1.EQN
 Device: 20V8
 
 Pin   Label               Type
@@ -26,7 +26,7 @@ Pin   Label               Type
 20    ROM                 neg,com output
 21    RES                 pos,com output
 22    PHI                 pos,com input
-23    R                   pos,com input
+23    T                   pos,com input
 24    VCC                 power pin
 
 EQN2JED - Boolean Equations to JEDEC file assembler (Version V101)
@@ -59,7 +59,7 @@ Copyright (c) National Semiconductor Corporation 1990-1993
                              ._____    _____.
                              |     \__/     |
                              |  1        24 | VCC
-                          RW |  2        23 | R
+                          RW |  2        23 | T
                           A8 |  3        22 | PHI
                           A7 |  4        21 | RES
                           A6 |  5        20 | ROM
diff --git a/mapping/addressdecoder.eqn b/mapping/addressdecoder.eqn
index c30a628..c8fa4f3 100644
--- a/mapping/addressdecoder.eqn
+++ b/mapping/addressdecoder.eqn
@@ -2,15 +2,15 @@ chip  GAL20V8
 
 NC3=1 RW=2 A0=11 A1=10 A2=9 A3=8 A4=7 A5=6 A6=5 A7=4 A8=3 GND=12
 A9=16 A10=15 A11=14 SR=17 RD=18 WD=19 ROM=20 RES=21 PHI=22
-R=23 VCC=24
+T=23 VCC=24
 
 equations
 
-SR = /A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * /A7 * /A8 * /A9 * /A10 * /A11 * /R * RW
-RD = /A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * A7 * /A8 * /A9 * /A10 * /A11 * /R * RW
-WD = A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * A7 * /A8 * /A9 * /A10 * /A11 * /R * /RW * PHI
-/ROM = /A11 * A8 * /R * RW
-    + /A11 * A9 * /R * RW
-    + /A11 * A10 * /R * RW
-    + A2 * A3 * A4 * A5 * A6 * A7 * /A8 * /A9 * /A10 * /A11 * /R * RW
-RES = A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * /A7 * /A8 * /A9 * /A10 * /A11 * /R * RW
+SR = /A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * /A7 * /A8 * /A9 * /A10 * /A11 * /T * RW
+RD = /A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * A7 * /A8 * /A9 * /A10 * /A11 * /T * RW
+WD = A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * A7 * /A8 * /A9 * /A10 * /A11 * /T * /RW * PHI
+/ROM = /A11 * A8 * /T * RW
+    + /A11 * A9 * /T * RW
+    + /A11 * A10 * /T * RW
+    + A2 * A3 * A4 * A5 * A6 * A7 * /A8 * /A9 * /A10 * /A11 * /T * RW
+RES = A0 * /A1 * /A2 * /A3 * /A4 * /A5 * /A6 * /A7 * /A8 * /A9 * /A10 * /A11 * /T * RW