push changes from line_down to line_up_inv line_down_inv

wip-hugo/routines/line/line_down_inv.s

@@ -41,7 +41,11 @@ selfmod:
 end_selfmod:
         jsr pixel_draw
         LDY #$00
-        LDX Y_pos
+        LDA Y_end
+        SEC
+        SBC Y_pos
+        TAX
+        ;LDX Y_pos
 for_y:
         LDA byte_to_paint
         ORA (>btp_mem_pos), Y
@@ -54,8 +58,8 @@ move_8px_down:
         LDY #$00
         Add_16 >btp_mem_pos, <btp_mem_pos, #$3F ,#$01, !
 increment_y_pos_end:
-        INX
-        CPX Y_end
+        DEX
+        ;CPX Y_end
         BEQ end
         Lag_16 >D, <D, #$00, #$02, case_2
 case_1:

wip-hugo/routines/line/line_up_inv.s

@@ -41,7 +41,10 @@ selfmod:
 end_selfmod:
         jsr pixel_draw
         LDY #$00
-        LDX Y_pos
+        LDA Y_pos
+        SEC
+        SBC Y_end
+        TAX
 for_y:
         LDA byte_to_paint
         ORA (>btp_mem_pos), Y
@@ -55,7 +58,6 @@ move_8px_up:
         Sub_16>btp_mem_pos, <btp_mem_pos,#$40 , #$01, !
 decrement_y_pos_end:
         DEX
-        CPX Y_end
         BEQ end
         Lag_16 >D, <D, #$00, #$02, case_2
 case_1:

wip-hugo/source.s

@@ -6,7 +6,7 @@
 .include "routines/memory/mem.inc"
 ;;Code to run
 .include "STARTUP.s"
-.include "routines/line/line_test_time.s"
+.include "routines/line/line_test.s"
 ;.include "routines/memory/memcpy_test.s"
 exit:
 jmp exit