Files
open-roms/c64/basic/math/bc0c.mov_r_FAC1_FAC2.s
T

24 lines
493 B
ArmAsm

// #LAYOUT# STD * #TAKE
// #LAYOUT# X16 BASIC_0 #TAKE-OFFSET 2000
// #LAYOUT# * BASIC_0 #TAKE
// #LAYOUT# * * #IGNORE
//
// Math package - round and move FAC1 to FAC2
//
// Output:
// - .A - FAC1 exponent
//
// See also:
// - [CM64] Computes Mapping the Commodore 64 - page 115
// - https://www.c64-wiki.com/wiki/BASIC-ROM
// - https://www.c64-wiki.com/wiki/Floating_point_arithmetic
//
mov_r_FAC1_FAC2:
// First round FAC1
jsr round_FAC1
// FALLTROUGH to mov_FAC1_FAC2