make circledraw faster by using lookup table

wip-hugo/END.s

@@ -1,6 +1,65 @@
+inverse_factor_value: ;lookup 00000001 --gives--> 10000000 , etc etc. only 1st 1 in binary numbers
+NOP
+.byte  %10000000, %01000000
+NOP
+.byte %00100000
+NOP
+NOP
+NOP
+.byte %00010000
+NOP
+NOP
+NOP
+;; i put another lookup table where nops normaly are'
 binary_factor:
 .byte  %10000000, %01000000, %00100000, %00010000, %00001000, %00000100, %00000010, %00000001
-
+;;                                                     ^ this one it is (in inverse_faktor value)
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+.byte %00000100
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+.byte %00000010
+;; i put another lookup table where nops normaly are
 Bitmap = $4000
 ;;This is used by pixel_draw! look at it for more detail
 big_y_offset:
@@ -54,3 +113,17 @@ big_y_offset:
         .hibytes $1CC0 + Bitmap
         .lobytes $1E00 + Bitmap
         .hibytes $1E00 + Bitmap
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+NOP
+.byte %00000001

wip-hugo/routines/circle/circle.s

@@ -43,8 +43,7 @@ draw_right_px_in_circle:
 
 while_x_bigger_then_y:
 
-;STY temp
-;LDY #$00
+
 draw_pixel:
         LDA byte_to_paint ;A byte containing a single 1. Coresponds to X position in the chunk.
         ORA (btp_mem_pos), Y
@@ -66,16 +65,12 @@ SEC
 SBC temp
 TAY
 
-;; calculate byte_to_paint_inv (could be faster with lookup table)
-        LDA byte_to_paint
-        STA temp_
-        LDA #%10000000
-        jmp start_calc
-calc:
-        LSR A
-start_calc:
-        LSR temp_
-BCC calc
+;; calculate byte_to_paint_inv 00000001 --> 10000000, 00000010 --> 01000000 ... etc
+;; uses a table!
+        stx temp_
+        ldx byte_to_paint
+	LDA inverse_factor_value, X;; (see END.s)
+	ldx temp_
 
 ; A = byte_to_paint_inv
         ORA (btp_mem_pos_inv), Y