diff --git a/wip-hugo/routines/line/line.s b/wip-hugo/routines/line/line.s
index 56bdb55..796214e 100644
--- a/wip-hugo/routines/line/line.s
+++ b/wip-hugo/routines/line/line.s
@@ -10,7 +10,7 @@
         STA dx
         BCC dx_no_underflow;; X_end >= X_pos
         EOR #$ff ; Fix bit underflow
-        dx_no_underflow:
+dx_no_underflow:
         SEC
         LDA Y_pos
         SBC Y_end
diff --git a/wip-hugo/routines/line/line_down_inv.s b/wip-hugo/routines/line/line_down_inv.s
index f7430c1..c8f64d3 100644
--- a/wip-hugo/routines/line/line_down_inv.s
+++ b/wip-hugo/routines/line/line_down_inv.s
@@ -57,8 +57,9 @@ end_selfmod:
         JSR pixel_calc ;;only used first pixel. after this relative position is abused
         STA byte_to_paint
         INY
-        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$01, #$00
+        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$00, #$00, !
         LDX dy
+        CLC
 for_y:
         LDA byte_to_paint
         ORA (btp_mem_pos), Y
@@ -68,7 +69,7 @@ increment_y_pos:
         BNE increment_y_pos_end
 move_8px_down:
         LDY #$08
-        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$40 ,#$01
+        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$3f ,#$01, !
 increment_y_pos_end:
         DEX
         ;CPX Y_end
@@ -80,8 +81,8 @@ increment_pixel_x:
         ASL byte_to_paint
         BCC for_y
 move_8px_left:
-        ROL byte_to_paint
         Sub_16 btp_mem_pos, btp_mem_pos + 1, #$08, #$00
+        ROL byte_to_paint
         JMP for_y
 case_2:
         Add_16 D, D + 1, #>dx_2, #<dx_2, ! ;D = D + 2*dx
diff --git a/wip-hugo/routines/line/line_up.s b/wip-hugo/routines/line/line_up.s
index 4e97bf6..9ef4d68 100644
--- a/wip-hugo/routines/line/line_up.s
+++ b/wip-hugo/routines/line/line_up.s
@@ -53,7 +53,7 @@ selfmod:
 end_selfmod:
         JSR pixel_calc ;;only used first pixel. after this relative position is abused
         STA byte_to_paint
-        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$01, #$00 ;; Y has always a offset of at least 1
+        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$00, #$00, !
         ;LDY #$01
         INY
         LDX dx
diff --git a/wip-hugo/routines/line/line_up_inv.s b/wip-hugo/routines/line/line_up_inv.s
index e8929fc..2a8d562 100644
--- a/wip-hugo/routines/line/line_up_inv.s
+++ b/wip-hugo/routines/line/line_up_inv.s
@@ -53,8 +53,8 @@ end_selfmod:
         JSR pixel_calc ;;only used first pixel. after this relative position is abused
         STA byte_to_paint
         INY
-        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$01, #$00 ;; Y has always a offset of at least 1
-        ;LDY #$00
+        Sub_16 btp_mem_pos, btp_mem_pos + 1, #$00, #$00,!
+        CLC
         LDX dy
 for_y:
         LDA byte_to_paint
@@ -65,6 +65,7 @@ decrement_y_pos:
         BNE decrement_y_pos_end
 move_8px_up:
         LDY #$08
+        ; C=0
         Sub_16 btp_mem_pos, btp_mem_pos + 1,#$3F , #$01, !
 decrement_y_pos_end:
         DEX
diff --git a/wip-hugo/source.s b/wip-hugo/source.s
index 6d63649..a754751 100644
--- a/wip-hugo/source.s
+++ b/wip-hugo/source.s
@@ -8,17 +8,17 @@
 .include "STARTUP.s"
 ;.include "dubbel_buffer/raster_irqs.s"
 
-;.include "routines/arithmatic/mult_test.s"
-;.include "routines/arithmatic/div_test.s"
-;.include "routines/circle/circle_test.s"
-;.include "routines/circle/circle_test_size.s"
-;.include "routines/circle/circle_test_position.s"
+.include "routines/arithmatic/mult_test.s"
+.include "routines/arithmatic/div_test.s"
+.include "routines/circle/circle_test.s"
+.include "routines/circle/circle_test_size.s"
+.include "routines/circle/circle_test_position.s"
 .include "routines/line/line_test.s"
 .include "routines/line/line_test_extensive.s"
-;.include "routines/text/char_draw_test.s"
-;.include "routines/pixel/pixel_test.s"
-;.include "routines/memory/memcpy_test.s"
-;.include "routines/memory/memset_test.s"
+.include "routines/text/char_draw_test.s"
+.include "routines/pixel/pixel_test.s"
+.include "routines/memory/memcpy_test.s"
+.include "routines/memory/memset_test.s"
 
 ;.include "routines/triangle/triangle_test.s"
 exit: