;; #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