Remove no longer used mov_FAC1_MEM

src/basic/math_mov/mov_FAC1_MEM.s

@@ -1,74 +0,0 @@
-;; #LAYOUT# STD *       #TAKE
-;; #LAYOUT# *   BASIC_0 #TAKE
-;; #LAYOUT# *   *       #IGNORE
-
-;
-; Math package - copy FAC1 to memory location, do not round
-;
-; Input:
-; - .X - address low byte
-; - .Y - address high byte
-;
-; Output:
-; - .A - FAC1 exponent
-;
-; See also:
-; - https://www.c64-wiki.com/wiki/Floating_point_arithmetic
-; - https://codebase64.org/doku.php?id=base:kernal_floating_point_mathematics
-;
-
-mov_FAC1_MEM:
-
-	; Original routines use $22/$23 location for a vector too, see here:
-	; - https://codebase64.org/doku.php?id=base:kernal_floating_point_mathematics
-
-	sty INDEX+1
-	stx INDEX+0
-
-	ldy #$00
-
-	; Copy exponent
-
-	lda FAC1_exponent
-	sta (INDEX), y
-	beq mov_FAC1_MEM_end               ; for 0 no need to copy anything more
-
-	; Copy first byte of mantissa
-
-	iny
-	lda FAC2_mantissa+3
-	sta (INDEX), y
-
-	; Copy the sign       XXX try to optimize this part
-
-	lda FAC1_sign
-	bne @1
-
-	lda FAC2_mantissa+3
-	and #$7F
-	sta (INDEX), y
-@1:
-	; Copy remaining parts of mantissa
-
-	iny
-	lda FAC2_mantissa+2
-	sta (INDEX), y
-
-	iny
-	lda FAC2_mantissa+1
-	sta (INDEX), y
-
-	iny
-	lda FAC2_mantissa+0
-	sta (INDEX), y
-
-	; Checked, that mov_FAC1_MEM works on real ROM too (at $BBD7),
-	; and clears FACOV in a similar way as mov_FAC1_FAC2 does (not surprising)
-
-	ldy #$00
-	sty FACOV
-
-mov_FAC1_MEM_end:
-
-	lda FAC1_exponent
-	rts