From 1bc8aa4a34f1a47683a98a90b32585cbb9b33ed9 Mon Sep 17 00:00:00 2001
From: Nikolay Nikolov <nickysn@users.sourceforge.net>
Date: Mon, 17 Apr 2017 19:19:18 +0300
Subject: [PATCH] + added 8237 DMA controller

---
 library/intel.dcm |  6 +++++
 library/intel.lib | 56 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)

diff --git a/library/intel.dcm b/library/intel.dcm
index fb4bd271..6391a356 100644
--- a/library/intel.dcm
+++ b/library/intel.dcm
@@ -77,6 +77,12 @@ K MPRO
 F http://datasheets.chipdb.org/Intel/x86/808x/datashts/8088/231456-006.pdf
 $ENDCMP
 #
+$CMP 8237
+D Programmable DMA Controller, PDIP-40
+K 8237 DMA
+F https://pdos.csail.mit.edu/6.828/2012/readings/hardware/8237A.pdf
+$ENDCMP
+#
 $CMP 8250
 D PC8250A, Universal Asynchronous Receiver/Transmitter, PDIP-40
 K 1ch UART
diff --git a/library/intel.lib b/library/intel.lib
index d0bb8236..575e5ed4 100644
--- a/library/intel.lib
+++ b/library/intel.lib
@@ -451,6 +451,62 @@ X A15 39 700 -400 150 L 50 50 1 1 O
 ENDDRAW
 ENDDEF
 #
+# 8237
+#
+DEF 8237 U 0 40 Y Y 1 F N
+F0 "U" -550 1500 50 H V L CNN
+F1 "8237" 350 1500 50 H V L CNN
+F2 "Housings_DIP:DIP-40_W15.24mm" 0 200 50 H I C CNN
+F3 "" 0 300 50 H I C CNN
+$FPLIST
+ DIP*W15.24mm*
+ PDIP*W15.24mm*
+$ENDFPLIST
+DRAW
+S -550 -1450 550 1450 1 1 10 f
+X ~IOR~ 1 -700 400 150 R 50 50 1 1 B
+X ~IOW~ 2 -700 300 150 R 50 50 1 1 B
+X ~MEMR~ 3 700 400 150 L 50 50 1 1 T
+X ~MEMW~ 4 700 300 150 L 50 50 1 1 T
+X PIN5 5 100 1600 150 D 50 50 1 1 I
+X READY 6 -700 700 150 R 50 50 1 1 I
+X HLDA 7 -700 500 150 R 50 50 1 1 I
+X ADSTB 8 700 -1000 150 L 50 50 1 1 O
+X AEN 9 700 -1300 150 L 50 50 1 1 O
+X HRQ 10 700 700 150 L 50 50 1 1 O
+X Vss 20 0 -1600 150 U 50 50 1 1 W
+X DB0 30 -700 -600 150 R 50 50 1 1 B
+X A7 40 700 1000 150 L 50 50 1 1 T
+X ~CS~ 11 -700 800 150 R 50 50 1 1 I
+X DB7 21 -700 -1300 150 R 50 50 1 1 B
+X Vcc 31 0 1600 150 D 50 50 1 1 W
+X CLK 12 -700 600 150 R 50 50 1 1 I C
+X DB6 22 -700 -1200 150 R 50 50 1 1 B
+X A0 32 -700 1300 150 R 50 50 1 1 B
+X RESET 13 -700 -400 150 R 50 50 1 1 I
+X DB5 23 -700 -1100 150 R 50 50 1 1 B
+X A1 33 -700 1200 150 R 50 50 1 1 B
+X DACK2 14 700 -600 150 L 50 50 1 1 O
+X DACK1 24 700 -500 150 L 50 50 1 1 O
+X A2 34 -700 1100 150 R 50 50 1 1 B
+X DACK3 15 700 -700 150 L 50 50 1 1 O
+X DACK0 25 700 -400 150 L 50 50 1 1 O
+X A3 35 -700 1000 150 R 50 50 1 1 B
+X DREQ3 16 -700 -200 150 R 50 50 1 1 I
+X DB4 26 -700 -1000 150 R 50 50 1 1 B
+X ~EOP~ 36 700 -100 150 L 50 50 1 1 B
+X DREQ2 17 -700 -100 150 R 50 50 1 1 I
+X DB3 27 -700 -900 150 R 50 50 1 1 B
+X A4 37 700 1300 150 L 50 50 1 1 T
+X DREQ1 18 -700 0 150 R 50 50 1 1 I
+X DB2 28 -700 -800 150 R 50 50 1 1 B
+X A5 38 700 1200 150 L 50 50 1 1 T
+X DREQ0 19 -700 100 150 R 50 50 1 1 I
+X DB1 29 -700 -700 150 R 50 50 1 1 B
+X A6 39 700 1100 150 L 50 50 1 1 T
+ENDDRAW
+ENDDEF
+#
 # 8252
 #
 DEF 8252 U 0 40 Y Y 1 F N