From 60cfbc01183154719fadfa9c4128dbfc4ad20883 Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 16:36:47 +0300
Subject: [PATCH 1/9] + added datasheet for i82C54_PLCC

---
 library/intel.dcm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/intel.dcm b/library/intel.dcm
index fb4bd271..08d40d94 100644
--- a/library/intel.dcm
+++ b/library/intel.dcm
@@ -125,6 +125,7 @@ $ENDCMP
 $CMP 82C54_PLCC
 D 82C54, Triple Channel Timer/Counter, PLCC-28
 K Timer Counter
+F http://download.intel.com/design/archives/periphrl/docs/23124406.pdf
 $ENDCMP
 #
 $CMP 82C55A

From 78b53d589bf6818e61edb11af69fd8e09ce1b37a Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 16:39:41 +0300
Subject: [PATCH 2/9] * pins D0..D7 of i82C54_PLCC made bidirectional

---
 library/intel.lib | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/library/intel.lib b/library/intel.lib
index d0bb8236..3cfd6335 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -733,14 +733,14 @@ F2 "" 0 0 50 H I C CNN
 F3 "" 0 0 50 H I C CNN
 DRAW
 S -450 -850 450 850 0 1 10 f
-X D7 2 -600 0 150 R 50 50 1 1 I
-X D6 3 -600 100 150 R 50 50 1 1 I
-X D5 4 -600 200 150 R 50 50 1 1 I
-X D4 5 -600 300 150 R 50 50 1 1 I
-X D3 6 -600 400 150 R 50 50 1 1 I
-X D2 7 -600 500 150 R 50 50 1 1 I
-X D1 8 -600 600 150 R 50 50 1 1 I
-X D0 9 -600 700 150 R 50 50 1 1 I
+X D7 2 -600 0 150 R 50 50 1 1 B
+X D6 3 -600 100 150 R 50 50 1 1 B
+X D5 4 -600 200 150 R 50 50 1 1 B
+X D4 5 -600 300 150 R 50 50 1 1 B
+X D3 6 -600 400 150 R 50 50 1 1 B
+X D2 7 -600 500 150 R 50 50 1 1 B
+X D1 8 -600 600 150 R 50 50 1 1 B
+X D0 9 -600 700 150 R 50 50 1 1 B
 X CLK0 10 600 600 150 L 50 50 1 1 I C
 X OUT2 20 600 -600 150 L 50 50 1 1 O
 X CLK2 21 600 -400 150 L 50 50 1 1 I C

From 383750156facce280f207706bd806dc053add2f0 Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 16:48:08 +0300
Subject: [PATCH 3/9] + added the not connected pins of i82C54_PLCC

---
 library/intel.lib | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/intel.lib b/library/intel.lib
index 3cfd6335..575cb41c 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -733,6 +733,7 @@ F2 "" 0 0 50 H I C CNN
 F3 "" 0 0 50 H I C CNN
 DRAW
 S -450 -850 450 850 0 1 10 f
+X NC 1 100 -1000 150 U 50 50 1 1 N N
 X D7 2 -600 0 150 R 50 50 1 1 B
 X D6 3 -600 100 150 R 50 50 1 1 B
 X D5 4 -600 200 150 R 50 50 1 1 B
@@ -743,6 +744,7 @@ X D1 8 -600 600 150 R 50 50 1 1 B
 X D0 9 -600 700 150 R 50 50 1 1 B
 X CLK0 10 600 600 150 L 50 50 1 1 I C
 X OUT2 20 600 -600 150 L 50 50 1 1 O
+X NC 11 200 -1000 150 U 50 50 1 1 N N
 X CLK2 21 600 -400 150 L 50 50 1 1 I C
 X OUT0 12 600 400 150 L 50 50 1 1 O
 X A0 22 -600 -400 150 R 50 50 1 1 I
@@ -750,6 +752,8 @@ X G0 13 600 500 150 L 50 50 1 1 I
 X A1 23 -600 -500 150 R 50 50 1 1 I
 X GND 14 0 -1000 150 U 50 50 1 1 W
 X ~CS~ 24 -600 -700 150 R 50 50 1 1 I I
+X NC 15 300 -1000 150 U 50 50 1 1 N N
+X NC 25 400 -1000 150 U 50 50 1 1 N N
 X OUT1 16 600 -100 150 L 50 50 1 1 O
 X ~RD~ 26 -600 -200 150 R 50 50 1 1 I I
 X G1 17 600 0 150 L 50 50 1 1 I

From 2d891fe902170acaa52f4e52506452bccd99bcc6 Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 16:53:25 +0300
Subject: [PATCH 4/9] * don't use the inverted graphic style for pins that have
 overbars in the i82C54_PLCC

---
 library/intel.lib | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/library/intel.lib b/library/intel.lib
index 575cb41c..4fdc4a6f 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -751,13 +751,13 @@ X A0 22 -600 -400 150 R 50 50 1 1 I
 X G0 13 600 500 150 L 50 50 1 1 I
 X A1 23 -600 -500 150 R 50 50 1 1 I
 X GND 14 0 -1000 150 U 50 50 1 1 W
-X ~CS~ 24 -600 -700 150 R 50 50 1 1 I I
+X ~CS~ 24 -600 -700 150 R 50 50 1 1 I
 X NC 15 300 -1000 150 U 50 50 1 1 N N
 X NC 25 400 -1000 150 U 50 50 1 1 N N
 X OUT1 16 600 -100 150 L 50 50 1 1 O
-X ~RD~ 26 -600 -200 150 R 50 50 1 1 I I
+X ~RD~ 26 -600 -200 150 R 50 50 1 1 I
 X G1 17 600 0 150 L 50 50 1 1 I
-X ~WR~ 27 -600 -300 150 R 50 50 1 1 I I
+X ~WR~ 27 -600 -300 150 R 50 50 1 1 I
 X CLK1 18 600 100 150 L 50 50 1 1 I C
 X VCC 28 0 1000 150 D 50 50 1 1 W
 X G2 19 600 -500 150 L 50 50 1 1 I

From 8ea9975a5c6d3db5fd9af116285b144ae7dc914f Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 17:38:01 +0300
Subject: [PATCH 5/9] + add footprint filters for i82C54_PLCC

---
 library/intel.lib | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/intel.lib b/library/intel.lib
index 4fdc4a6f..5fd6bbe9 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -731,6 +731,9 @@ F0 "U" -450 900 50 H V L CNN
 F1 "82C54_PLCC" 100 900 50 H V L CNN
 F2 "" 0 0 50 H I C CNN
 F3 "" 0 0 50 H I C CNN
+$FPLIST
+ *PLCC?28*
+$ENDFPLIST
 DRAW
 S -450 -850 450 850 0 1 10 f
 X NC 1 100 -1000 150 U 50 50 1 1 N N

From 1835e6adf29d12405ca69ba8704fcab59c755708 Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 17:43:42 +0300
Subject: [PATCH 6/9] + set the footprint of i82C54_PLCC

---
 library/intel.lib | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/intel.lib b/library/intel.lib
index 5fd6bbe9..458984eb 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -729,8 +729,8 @@ ENDDEF
 DEF 82C54_PLCC U 0 40 Y Y 1 F N
 F0 "U" -450 900 50 H V L CNN
 F1 "82C54_PLCC" 100 900 50 H V L CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
+F2 "Sockets:PLCC28" 50 250 50 H I C CNN
+F3 "" -450 900 50 H I C CNN
 $FPLIST
  *PLCC?28*
 $ENDFPLIST

From 471e6365ca6e7513206aa124880c1d0f8bb5e64b Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 17:54:50 +0300
Subject: [PATCH 7/9] + added 82C54 (DIP package)

---
 library/intel.dcm |  6 ++++++
 library/intel.lib | 40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/library/intel.dcm b/library/intel.dcm
index 08d40d94..50351cd6 100644
--- a/library/intel.dcm
+++ b/library/intel.dcm
@@ -122,6 +122,12 @@ K Bus Controller
 F http://www.datasheets360.com/pdf/7208679415653955300
 $ENDCMP
 #
+$CMP 82C54
+D 82C54, Triple Channel Timer/Counter, PDIP-24
+K Timer Counter
+F http://download.intel.com/design/archives/periphrl/docs/23124406.pdf
+$ENDCMP
+#
 $CMP 82C54_PLCC
 D 82C54, Triple Channel Timer/Counter, PLCC-28
 K Timer Counter
diff --git a/library/intel.lib b/library/intel.lib
index 458984eb..1923ae20 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -724,6 +724,46 @@ X ~S0~ 19 -700 600 150 R 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
+# 82C54
+#
+DEF 82C54 U 0 40 Y Y 1 F N
+F0 "U" -450 900 50 H V L CNN
+F1 "82C54" 100 900 50 H V L CNN
+F2 "Housings_DIP:DIP-24_W15.24mm" 50 250 50 H I C CNN
+F3 "" -450 900 50 H I C CNN
+$FPLIST
+ DIP*W15.24mm*
+ PDIP*W15.24mm*
+$ENDFPLIST
+DRAW
+S -450 -850 450 850 0 1 10 f
+X D7 1 -600 0 150 R 50 50 1 1 B
+X D6 2 -600 100 150 R 50 50 1 1 B
+X D5 3 -600 200 150 R 50 50 1 1 B
+X D4 4 -600 300 150 R 50 50 1 1 B
+X D3 5 -600 400 150 R 50 50 1 1 B
+X D2 6 -600 500 150 R 50 50 1 1 B
+X D1 7 -600 600 150 R 50 50 1 1 B
+X D0 8 -600 700 150 R 50 50 1 1 B
+X CLK0 9 600 600 150 L 50 50 1 1 I C
+X OUT0 10 600 400 150 L 50 50 1 1 O
+X A1 20 -600 -500 150 R 50 50 1 1 I
+X G0 11 600 500 150 L 50 50 1 1 I
+X ~CS~ 21 -600 -700 150 R 50 50 1 1 I
+X GND 12 0 -1000 150 U 50 50 1 1 W
+X ~RD~ 22 -600 -200 150 R 50 50 1 1 I
+X OUT1 13 600 -100 150 L 50 50 1 1 O
+X ~WR~ 23 -600 -300 150 R 50 50 1 1 I
+X G1 14 600 0 150 L 50 50 1 1 I
+X VCC 24 0 1000 150 D 50 50 1 1 W
+X CLK1 15 600 100 150 L 50 50 1 1 I C
+X G2 16 600 -500 150 L 50 50 1 1 I
+X OUT2 17 600 -600 150 L 50 50 1 1 O
+X CLK2 18 600 -400 150 L 50 50 1 1 I C
+X A0 19 -600 -400 150 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
 # 82C54_PLCC
 #
 DEF 82C54_PLCC U 0 40 Y Y 1 F N

From 273111fa73efc748bd1af062489ef2978e2ab7c1 Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 17:58:52 +0300
Subject: [PATCH 8/9] * update 82C54 description name as per the datasheet;
 removed part name from the description

---
 library/intel.dcm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/library/intel.dcm b/library/intel.dcm
index 50351cd6..dcbfcd4c 100644
--- a/library/intel.dcm
+++ b/library/intel.dcm
@@ -123,13 +123,13 @@ F http://www.datasheets360.com/pdf/7208679415653955300
 $ENDCMP
 #
 $CMP 82C54
-D 82C54, Triple Channel Timer/Counter, PDIP-24
+D CHMOS Programmable Interval Timer, PDIP-24
 K Timer Counter
 F http://download.intel.com/design/archives/periphrl/docs/23124406.pdf
 $ENDCMP
 #
 $CMP 82C54_PLCC
-D 82C54, Triple Channel Timer/Counter, PLCC-28
+D CHMOS Programmable Interval Timer, PLCC-28
 K Timer Counter
 F http://download.intel.com/design/archives/periphrl/docs/23124406.pdf
 $ENDCMP

From d4266011b57811045a598d921e56356b6089897c Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 18:07:46 +0300
Subject: [PATCH 9/9] + added 8253 and 8254 (aliases of 82C54)

---
 library/intel.dcm | 12 ++++++++++++
 library/intel.lib |  1 +
 2 files changed, 13 insertions(+)

diff --git a/library/intel.dcm b/library/intel.dcm
index dcbfcd4c..15ad593d 100644
--- a/library/intel.dcm
+++ b/library/intel.dcm
@@ -87,6 +87,18 @@ D Universal Asynchronous Receiver/Transmitter, PDIP-28
 K UART Serial Interface
 $ENDCMP
 #
+$CMP 8253
+D Programmable Interval Timer, PDIP-24
+K Timer Counter
+F http://www.cpcwiki.eu/imgs/e/e3/8253.pdf
+$ENDCMP
+#
+$CMP 8254
+D Programmable Interval Timer, PDIP-24
+K Timer Counter
+F http://www.scs.stanford.edu/10wi-cs140/pintos/specs/8254.pdf
+$ENDCMP
+#
 $CMP 8255
 D Programmable Peripheral Interface, PDIP-40
 K 8255 PPI
diff --git a/library/intel.lib b/library/intel.lib
index 1923ae20..bc809561 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -731,6 +731,7 @@ F0 "U" -450 900 50 H V L CNN
 F1 "82C54" 100 900 50 H V L CNN
 F2 "Housings_DIP:DIP-24_W15.24mm" 50 250 50 H I C CNN
 F3 "" -450 900 50 H I C CNN
+ALIAS 8254 8253
 $FPLIST
  DIP*W15.24mm*
  PDIP*W15.24mm*