1
0
mirror of https://github.com/cc65/cc65.git synced 2024-10-30 12:28:25 +00:00
cc65/libsrc/common/cc65_umul16x16r32.s

26 lines
484 B
ArmAsm
Raw Normal View History

;
; Ullrich von Bassewitz, 2010-11-03
;
; CC65 library: 16x16 => 32 unsigned multiplication
;
.export _cc65_umul16x16r32
.import umul16x16r32, popax
.include "zeropage.inc"
;---------------------------------------------------------------------------
; 16x16 => 32 unsigned multiplication routine.
.proc _cc65_umul16x16r32
sta ptr1
stx ptr1+1
jsr popax
jmp umul16x16r32
.endproc