cc65/libsrc/runtime/lbneg.s

;
; Ullrich von Bassewitz, 06.08.1998
;
; CC65 runtime: boolean negation for longs
;

        .export         bnegeax
        .importzp       sreg, tmp1

bnegeax:
        stx     tmp1
        ldx     #0              ; High byte of result
        ora     tmp1
        ora     sreg
        ora     sreg+1
        bne     @L0
        lda     #1
        rts

@L0:    txa                     ; X is zero
        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: boolean negation for longs`
			`;`

Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:56:54 +02:00			`.export bnegeax`
			`.importzp sreg, tmp1`
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
			`bnegeax:`
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:56:54 +02:00			`stx tmp1`
			`ldx #0 ; High byte of result`
			`ora tmp1`
			`ora sreg`
			`ora sreg+1`
			`bne @L0`
			`lda #1`
			`rts`
Minor optimization git-svn-id: svn://svn.cc65.org/cc65/trunk@46 b7a2c559-68d2-44c3-8de9-860c34a00d81 2000-06-10 16:05:59 +00:00
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:56:54 +02:00			`@L0: txa ; X is zero`
			`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