Fix numerous bugs in the scrolling segment module

programs/scrolling.prog

@@ -12,11 +12,11 @@ nop
 scrolling_addr: .word 0x000F00A0
 scrolling_count_addr: .word 0x000F00A4
 
-scrolling_cnt_value: .word 0x20FC000 // for real board
-// scrolling_cnt_value: .word 0x100 // for simulation
+// scrolling_cnt_value: .word 0x20FC000 // for real board
+scrolling_cnt_value: .word 0x500 // for simulation
 
-w_cnt_top:  .word 0x3FC000 // for real board
-// w_cnt_top:    .word 0x100 //for simulation
+// w_cnt_top:  .word 0x3FC000 // for real board
+w_cnt_top:    .word 0x100 //for simulation
 
 pattern_ptr: .word =pattern1
 
@@ -29,17 +29,16 @@ pattern1:
 pattern2:
     .word 0x0F0E0E0B
     .word 0x100D0A0E
-    .word 0x0D000000
+    .word 0x0D101010
 
 pattern3:
     .word 0x01101010
 
 pattern4:
-    .word 0x02100310
+    .word 0x02031010
 
 pattern5:
-    .word 0x00100010
-    .word 0x00100010
+    .word 0x00000000
     .word 0x00101010
 
 write_mask:
@@ -213,7 +212,9 @@ display_loop3:
     // --------- 0 0 0 0 0 ---------
     clr r7 
     clr r11
-    addi r11, 12 // iterations
+    addi r11, 8
+    
+     // iterations
 display_loop4:
     addi r3, 0x01
     call >display_char