cc65/libsrc/runtime/lneg.s

;
; Ullrich von Bassewitz, 06.08.1998
;
; CC65 runtime: negation on longs
;

;
; eax = -eax
;
        .export         negeax
        .importzp       sreg

negeax: clc
        eor     #$FF
        adc     #1
        pha
        txa
        eor     #$FF
        adc     #0
        tax
        lda     sreg
        eor     #$FF
        adc     #0
        sta     sreg
        lda     sreg+1
        eor     #$FF
        adc     #0
        sta     sreg+1
        pla
        rts
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches. git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81 2000-05-28 13:40:48 +00:00			`;`
			`; Ullrich von Bassewitz, 06.08.1998`
			`;`
			`; CC65 runtime: negation on longs`
			`;`

			`;`
			`; eax = -eax`
			`;`
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 11:56:54 +00:00			`.export negeax`
			`.importzp sreg`
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches. git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81 2000-05-28 13:40:48 +00:00
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 11:56:54 +00:00			`negeax: clc`
			`eor #$FF`
			`adc #1`
			`pha`
			`txa`
			`eor #$FF`
			`adc #0`
			`tax`
			`lda sreg`
			`eor #$FF`
			`adc #0`
			`sta sreg`
			`lda sreg+1`
			`eor #$FF`
			`adc #0`
			`sta sreg+1`
			`pla`
			`rts`
This commit was generated by cvs2svn to compensate for changes in r2, which included commits to RCS files with non-trunk default branches. git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81 2000-05-28 13:40:48 +00:00