From 7b2d0640e6209539d80e79126d3b05ff8bf88176 Mon Sep 17 00:00:00 2001
From: Jacob McDonnell <jacob@jacobmcdonnell.com>
Date: Fri, 14 Feb 2025 18:20:46 -0500
Subject: HW4 Finished

---
 ExamPrepTwo/Sources/derivative.inc | 10 +++++++
 ExamPrepTwo/Sources/main.asm       | 56 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 ExamPrepTwo/Sources/derivative.inc
 create mode 100644 ExamPrepTwo/Sources/main.asm

(limited to 'ExamPrepTwo/Sources')

diff --git a/ExamPrepTwo/Sources/derivative.inc b/ExamPrepTwo/Sources/derivative.inc
new file mode 100644
index 0000000..988343b
--- /dev/null
+++ b/ExamPrepTwo/Sources/derivative.inc
@@ -0,0 +1,10 @@
+
+ ; Note: This file is recreated by the project wizard whenever the MCU is
+ ;       changed and should not be edited by hand
+ ;
+
+			; include derivative specific macros
+            INCLUDE 'mc9s12c32.inc'
+
+		
+
diff --git a/ExamPrepTwo/Sources/main.asm b/ExamPrepTwo/Sources/main.asm
new file mode 100644
index 0000000..fc86659
--- /dev/null
+++ b/ExamPrepTwo/Sources/main.asm
@@ -0,0 +1,56 @@
+**************************************************************************
+* Parameter Declearation Section
+*
+* Export Symbols
+            xdef        pgstart         ; export 'pgstart' symbol
+            absentry    pgstart         ; for assembly entry point
+
+* Symbols and Macros
+PORTA       equ         $0000           ; i/o port A addresses
+DDRA        equ         $0002           ; data direction register for PORTA
+PORTB       equ         $0001           ; i/o port B addresses
+DDRB        equ         $0003           ; data direction register for PORTB
+
+**************************************************************************
+* Data Section: address used [ $3000 to $30FF ] RAM Memory
+*
+            org         $3000           ; Reserved RAM memory starting address
+                                        ;   for Data for CMPEN 472 class
+num         dc.b        0
+
+*
+**************************************************************************
+* Program Section: address used [ $3100 to $3FFF ] RAM Memory
+*
+            org         $3100           ; Program start address, in RAM
+pgstart     ldaa        #70
+            ldab        #60
+            aba
+            nop
+            
+            ldaa        #60
+            ldab        #-70
+            aba
+            nop
+            
+            ldaa        #-60
+            ldab        #-70
+            sba
+            nop
+            
+            ldaa        #70
+            ldab        #-60
+            sba
+            nop
+            
+            ldab        num
+            
+dly         ldaa        num
+loop        deca
+            bne         loop
+            
+*
+**************************************************************************
+
+done        
+            end                         ; Last line of the file
\ No newline at end of file
-- 
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