Some generic bug fixes

programs/assignment2isr_.prog

@@ -0,0 +1,120 @@
+reset:
+br always >main
+nop
+
+hardfault:
+reti
+nop
+
+memfault:
+reti
+nop
+
+irq3:      
+br always >irq3_handler
+nop
+
+.align
+addr:
+.word 0x000F0000
+addrsw:
+.word 0x000F0006
+//w_cnt_top:	.word 0x1FC000
+w_cnt_top:	.word 0x1		//for simulation only
+
+// Constant Declaration
+.align
+sp_init:   .word 0x400 // Stackpointer Initial Value
+
+
+main:
+ldr r12, >sp_init
+clr r14
+ldr r0,>addr	//LED addr
+ldr r2,>addrsw	//sw addr
+addi r6,8		//outer counter top
+clr r7			//wait counter
+
+here:
+nop
+nop
+nop
+br always >here
+nop
+
+out_loop:
+ldr r8,>w_cnt_top
+clr r1
+st08 r0,r1
+call >wait
+nop
+
+fill:
+	lsh r1,r1,1
+	addi r1,1
+	st08 r0,r1
+	call >wait
+	nop
+
+	addi r5,1
+	cmp neq r5,r6
+	br true >fill
+	nop
+	clr r5
+
+flush:
+	lsh r1,r1,1
+	st08 r0,r1
+	call >wait
+	nop
+
+	addi r5,1
+	cmp neq r5,r6
+	br true >flush
+	nop
+	clr r5
+	br always >out_loop
+	nop
+
+//subroutine to iterate until counter overflow
+wait:
+	clr r3
+	ld16 r3,r2 //loading switches content to r3 from r2 address	
+	clr r9
+	clr r10
+	clr r11
+	br always >nfound
+	nop
+found:	rsh r8,r8,1 //one found
+nfound:	clr r4
+	addi r4,1
+	addi r10,1 //loop counter max 16
+	and r9,r3,r4
+	cmp eq r9,r4
+	br true >found
+	rsh r3,r3,1
+	clr r4
+	addi r4,16
+	cmp le r10,r4
+	br true >nfound
+	nop
+
+	clr r7				//inititalize inner counter
+	inc_i:
+	cmp neq r7,r8
+	br true >inc_i		//if i=cnt_top
+	addi r7,1
+	ret					//else
+	nop
+
+
+
+irq3_handler: 
+
+
+
+
+
+br always >out_loop
+nop
+reti

programs/segments_adv_test.prog

@@ -10,8 +10,9 @@ nop
 
 .align
 segment_addr: .word 0x000F00A0
-// w_cnt_top:  .word 0xFFC000
-w_cnt_top:    .word 0x100 //for simulation only
+
+w_cnt_top:  .word 0xFFC000
+// w_cnt_top:    .word 0x100 //for simulation only
 
 write_and_shift:
     .word 0x01000100
@@ -112,7 +113,7 @@ number_loop:
 
     // 0xDEADBEEF pattern:
     clr r4
-    addi r4, 0xD
+    addi r4, 0xF
     or r4, r4, r1
     st32 r0, r4
 
@@ -122,12 +123,7 @@ number_loop:
     st32 r0, r4
 
     clr r4
-    addi r4, 0xA
-    or r4, r4, r1
-    st32 r0, r4
-
-    clr r4
-    addi r4, 0xD
+    addi r4, 0xE
     or r4, r4, r1
     st32 r0, r4
 
@@ -137,7 +133,12 @@ number_loop:
     st32 r0, r4
 
     clr r4
-    addi r4, 0xE
+    addi r4, 0xD
+    or r4, r4, r1
+    st32 r0, r4
+
+    clr r4
+    addi r4, 0xA
     or r4, r4, r1
     st32 r0, r4
 
@@ -147,7 +148,7 @@ number_loop:
     st32 r0, r4
 
     clr r4
-    addi r4, 0xF
+    addi r4, 0xD
     or r4, r4, r1
     st32 r0, r4
 

programs/segments_test.prog

@@ -9,6 +9,8 @@ reti
 nop
 
 .align
+led_addr: .word 0x000F0000
+
 number_array0:
     .word 0x03020100
 number_array1:
@@ -20,17 +22,24 @@ number_array3:
 
 segment_addr0: .word 0x000F00A0
 segment_addr1: .word 0x000F00A4
-// w_cnt_top:  .word 0xFFC000
-w_cnt_top:    .word 0x100 //for simulation only
 
+random_value: .word 0xAA
+
+w_cnt_top:  .word 0xFFFFFF // for real board
+// w_cnt_top:    .word 0x100 //for simulation only
 
 infamous_pattern0:
-    .word 0x0D0E0A0D
+    .word 0x0F0E0E0B
 infamous_pattern1:
-    .word 0x0B0E0E0F
+    .word 0x0D0A0E0D
 
 main:
     ldr r8, >w_cnt_top
+    ldr r0, >led_addr
+
+    // Set LEDs to some value
+    ldr r4, >random_value
+    st08 r0, r4
 
 number_loop:
     // First 4

programs/timer_blinky.prog

@@ -22,7 +22,9 @@ dmem_start_addr: .word 0x00000400
 dmem_end_addr: .word 0x000004FC
 priority_mask: .word 0xFFFFFF03
 // timer_target_value: .word 127 // for simulation
-timer_target_value: .word  65536 // for real board
+timer_target_value: .word 0xF10000 // for real board
+random_value: .word 0xFF
+random_value2: .word 0xAA
 
 main:
     // Initialize stack pointer to the end of the data memory
@@ -51,11 +53,19 @@ main:
     addi r2, 0x3 // enable and repeat bit set
     st32 r1, r2
 
+    // Set LEDs to some value
+    ldr r4, >random_value
+    st08 r0, r4
+
 loop:
     br >loop
     nop
 
 timer_interrupt_handler:
+    // Set LEDs to some value too see if handler is triggered
+    ldr r4, >random_value2
+    st08 r0, r4
+
      clr r10
      addi r10, 1
      cmp eq r9, r10