It's easy game

artwork/shapes.asm

@@ -142,10 +142,11 @@ ShapesTableH
     .by >ground_1
     .by >ground_2
 diff_object_gap ; min distance between obstacles by difficulty level
-    .by 18,17,15,13,11,9,8,7,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5
+    .by 24,22,20,18,16,14,12,11,10,9,8,8,8,8,8,8,8,8,8,8,8,8,8
+    ;.by 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
 ;----------vars----------
 CloudHpos   .by 0,0,0,0
 diff_level  .ds 1
-DinoJumpTr  .by 1,2,3,4,4,3,2,1
-JumpLen = 7
+DinoJumpTr  .by 1,2,3,4,4,4,3,2,1
+JumpLen = 8
 .endif  ; .IF *>0

dino.asm

@@ -128,6 +128,10 @@ WorldTable
     :WORLD_LENGTH+1 .byte 0 ; ground
 ;---------------------------------------------------
 FirstSTART
+        mva #0 dmactls             ; dark screen
+        mva #$ff portb
+        ; and wait one frame :)
+        waitRTC                   ; or waitRTC ?
     jsr ClearScreen
     jsr GenerateCharsets
     jsr GenerateClouds