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+;* ------------------------------------------------------------------
+;* --  _____       ______  _____                                    -
+;* -- |_   _|     |  ____|/ ____|                                   -
+;* --   | |  _ __ | |__  | (___    Institute of Embedded Systems    -
+;* --   | | | '_ \|  __|  \___ \   Zurich University of             -
+;* --  _| |_| | | | |____ ____) |  Applied Sciences                 -
+;* -- |_____|_| |_|______|_____/   8401 Winterthur, Switzerland     -
+;* ------------------------------------------------------------------
+;* --
+;* -- Project     : CT1 - Lab 7
+;* -- Description : Control structures
+;* -- 
+;* -- $Id: main.s 3748 2016-10-31 13:26:44Z kesr $
+;* ------------------------------------------------------------------
+
+
+; -------------------------------------------------------------------
+; -- Constants
+; -------------------------------------------------------------------
+    
+                AREA myCode, CODE, READONLY
+                    
+                THUMB
+
+ADDR_LED_15_0           EQU     0x60000100
+ADDR_LED_31_16          EQU     0x60000102
+ADDR_7_SEG_BIN_DS1_0    EQU     0x60000114
+ADDR_DIP_SWITCH_15_0    EQU     0x60000200
+ADDR_HEX_SWITCH         EQU     0x60000211
+
+NR_CASES        		EQU     0xB
+
+jump_table      ; ordered table containing the labels of all cases
+                ; STUDENTS: To be programmed 
+
+
+                ; END: To be programmed
+    
+
+; -------------------------------------------------------------------
+; -- Main
+; -------------------------------------------------------------------   
+                        
+main            PROC
+                EXPORT main
+                
+read_dipsw      ; Read operands into R0 and R1 and display on LEDs
+                ; STUDENTS: To be programmed
+
+
+                ; END: To be programmed
+                    
+read_hexsw      ; Read operation into R2 and display on 7seg.
+                ; STUDENTS: To be programmed
+
+
+                ; END: To be programmed
+                
+case_switch     ; Implement switch statement as shown on lecture slide
+                ; STUDENTS: To be programmed
+
+
+                ; END: To be programmed
+
+
+; Add the code for the individual cases below
+; - operand 1 in R0
+; - operand 2 in R1
+; - result in R0
+
+case_dark       
+                LDR  R0, =0
+                B    display_result  
+
+case_add        
+                ADDS R0, R0, R1
+                B    display_result
+
+; STUDENTS: To be programmed
+
+
+; END: To be programmed
+
+
+display_result  ; Display result on LEDs
+                ; STUDENTS: To be programmed
+
+
+                ; END: To be programmed
+
+                B    read_dipsw
+                
+                ALIGN
+                ENDP
+
+; -------------------------------------------------------------------
+; -- End of file
+; -------------------------------------------------------------------                      
+                END
+