tfv: update the optimization file

tfv/OPTIMIZATION

@@ -110,3 +110,15 @@ Move to 40x40 mode
 	Total =                  224,981
 	Frame Rate = 4.44 fps
 
+Remove some unnecessary zero page copies in the mode7 code
+	Cycles: flying=              187
+	Cycles: getkey=               46
+	Cycles: page_flip=            26
+	Cycles: multiply=         49,613
+	Cycles: mode7=           141,269
+	Cycles: lookup_map=       21,718
+	Cycles: put_sprite=        2,561
+	================================
+	Total =                  215,420
+	Frame Rate = 4.64 fps
+

tfv/TODO

@@ -2,15 +2,8 @@ mode7 speed fixes:
 	+ faster multiply routine
 		- If result is AABBCCDD we only need BBCC for fixed point
 			result
-		- Pass NUM1H in A? no because used multiple places
-
-	+ inline hlin_setup? (save 12 cycles)
-
 	+  Skip key parsing if no key read
 
-	slower: move to 40x40 again
-		draw every other line.  First with color/black		
-		then xor in the second line
 
 short term:
 

tfv/tfv_flying.s

@@ -1027,7 +1027,7 @@ lookup_map:
 	lda	SPACEY_I						; 3
 	sta	LAST_SPACEY_I						; 3
 	and	#CONST_MAP_MASK_Y	; wrap to 64x64 grid		; 2
-	sta	SPACEY_I
+	sta	SPACEY_I						; 3
 
 
 	asl								; 2
@@ -1040,7 +1040,7 @@ lookup_map:
 	; SPACEX_I is in y
 	cpy	#$8							; 2
 								;============
-								;	 34
+								;	 37
 
 	bcs	ocean_color		; bgt 8				;^2nt/3
 	ldy	SPACEY_I						; 3