cc65/libsrc/common/cc65_imul16x16r32.s

;
; Ullrich von Bassewitz, 2010-11-03
;
; CC65 library: 16x16 => 32 signed multiplication
;

        .export         _cc65_imul16x16r32
        .import         imul16x16r32, popax

        .include        "zeropage.inc"


;---------------------------------------------------------------------------
; 16x16 => 32 signed multiplication routine.


.proc   _cc65_imul16x16r32

        sta     ptr1
        stx     ptr1+1
        jsr     popax
        jmp     imul16x16r32

.endproc
Add C callable special multiplication routines. git-svn-id: svn://svn.cc65.org/cc65/trunk@4440 b7a2c559-68d2-44c3-8de9-860c34a00d81 2009-11-04 18:17:00 +00:00			`;`
			`; Ullrich von Bassewitz, 2010-11-03`
			`;`
			`; CC65 library: 16x16 => 32 signed multiplication`
			`;`

			`.export _cc65_imul16x16r32`
			`.import imul16x16r32, popax`
Working on the division and multiplication routines. git-svn-id: svn://svn.cc65.org/cc65/trunk@4443 b7a2c559-68d2-44c3-8de9-860c34a00d81 2009-11-04 19:41:54 +00:00
			`.include "zeropage.inc"`
Add C callable special multiplication routines. git-svn-id: svn://svn.cc65.org/cc65/trunk@4440 b7a2c559-68d2-44c3-8de9-860c34a00d81 2009-11-04 18:17:00 +00:00

			`;---------------------------------------------------------------------------`
			`; 16x16 => 32 signed multiplication routine.`


			`.proc _cc65_imul16x16r32`

			`sta ptr1`
			`stx ptr1+1`
			`jsr popax`
			`jmp imul16x16r32`

			`.endproc`