From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 2522/CH15/EX15.8/exm15_8.sce         |  36 +++++++++++++++++++++++++++++++++++
 2522/CH15/EX15.8/exm15_8_output1.jpg | Bin 0 -> 43932 bytes
 2522/CH15/EX15.8/exm15_8_output2.jpg | Bin 0 -> 21836 bytes
 3 files changed, 36 insertions(+)
 create mode 100755 2522/CH15/EX15.8/exm15_8.sce
 create mode 100755 2522/CH15/EX15.8/exm15_8_output1.jpg
 create mode 100755 2522/CH15/EX15.8/exm15_8_output2.jpg

(limited to '2522/CH15/EX15.8')

diff --git a/2522/CH15/EX15.8/exm15_8.sce b/2522/CH15/EX15.8/exm15_8.sce
new file mode 100755
index 000000000..3e1cc0ea8
--- /dev/null
+++ b/2522/CH15/EX15.8/exm15_8.sce
@@ -0,0 +1,36 @@
+// page no 502
+// example no 15.8
+// INITIALIZATION INSTRUCTIONS FOR DMA
+clc;
+printf('MVI A,00000100B \n \n');
+printf('A7 A6 A5 A4 A3 A2 A1 A0 \n');
+printf('0  0  0  0  0  1  0  0 \n');
+printf('A2=1        Disable DMA \n \n');
+printf('OUT 08H \n');
+printf('MVI A,00000111B \n \n');
+printf('A7 A6 A5 A4 A3 A2 A1 A0 \n');
+printf('0  0  0  0  0  1  1  1 \n');
+printf('A7,A6=00    Demand mode  \n');
+printf('A5=0        Increment address \n');
+printf('A4=0        Disable auto load \n');
+printf('A3,A2=01    Write \n');
+printf('A1,A0=11    Ch 3 \n \n');
+printf('OUT 0BH \n');            // Send to mode reg.
+printf('MVI A,75H \n');          // Low order byte of starting address
+printf('OUT 06H \n');            // Output to CH3 memory address reg.
+printf('MVI A,40H \n');          // High order byte of starting address
+printf('OUT 06H \n');            // Output to CH3 memory address reg.
+printf('MVI A,FFH \n');          // Low order byte of the count 03FFH
+printf('OUT 07H \n');            // Output to CH3 count reg.
+printf('MVI A,03H \n');          // High order byte of the count 03FFH
+printf('OUT 07H \n');            // Output to CH3 count reg.
+printf('MVI A,10000000B \n \n');
+printf('A7 A6 A5 A4 A3 A2 A1 A0 \n');
+printf('1  0  0  0  0  0  0  0 \n');
+printf('A7,A6=10    DACK DREQ High  \n');
+printf('A5=0        Late write \n');
+printf('A4=0        Fixed priority \n');
+printf('A3=0        Normal time \n');
+printf('A2=0        DMA enable \n')
+printf('A0=0        Disable mem to mem \n \n');
+printf('OUT 08H \n');
diff --git a/2522/CH15/EX15.8/exm15_8_output1.jpg b/2522/CH15/EX15.8/exm15_8_output1.jpg
new file mode 100755
index 000000000..bb2a3746b
Binary files /dev/null and b/2522/CH15/EX15.8/exm15_8_output1.jpg differ
diff --git a/2522/CH15/EX15.8/exm15_8_output2.jpg b/2522/CH15/EX15.8/exm15_8_output2.jpg
new file mode 100755
index 000000000..9bfbba886
Binary files /dev/null and b/2522/CH15/EX15.8/exm15_8_output2.jpg differ
-- 
cgit