Add int to float conversions

src/basic/math/b3a2.convert_Y_to_FAC1.s

@@ -0,0 +1,24 @@
+;; #LAYOUT# STD *       #TAKE
+;; #LAYOUT# X16 BASIC_0 #TAKE-OFFSET 2000
+;; #LAYOUT# *   BASIC_0 #TAKE
+;; #LAYOUT# *   *       #IGNORE
+
+;
+; Math package - convert uint8 in Y to FAC1
+;
+; Input: Y - uint8 to convert to float
+; Result: FAC1
+;
+; Stores Y into first FAC1 mantissa byte, clears the second and calls convert_i16_to_FAC1
+;
+; - https://www.c64-wiki.com/wiki/BASIC-ROM
+; - https://sta.c64.org/cbm64basconv.html
+; - https://sourceforge.net/p/acme-crossass/code-0/38/tree/trunk/ACME_Lib/cbm/c64/float.a?force=True
+; - https://codebase64.org/doku.php?id=base:kernal_floating_point_mathematics
+;
+
+convert_Y_to_FAC1:
+    lda #$00
+    sta FAC1_mantissa+1
+    sty FAC1_mantissa
+    jmp convert_i16_to_FAC1