cc65/libsrc/runtime/asreax2.s

;
; Ullrich von Bassewitz, 06.08.1998
;
; CC65 runtime: Scale the 32 bit primary register by 4
;

        .export         asreax2
        .importzp       sreg, tmp1

asreax2:
        stx     tmp1
        ldx     sreg+1
        cpx     #$80            ; Get bit 7 into carry
        ror     sreg+1
        ror     sreg
        ror     tmp1
        ror     a
        cpx     #$80            ; Get bit 7 into carry
        ror     sreg+1
        ror     sreg
        ror     tmp1
        ror     a
        ldx     tmp1
        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: Scale the 32 bit primary register by 4`
			`;`

Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:56:54 +02:00			`.export asreax2`
			`.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
			`asreax2:`
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:56:54 +02:00			`stx tmp1`
			`ldx sreg+1`
			`cpx #$80 ; Get bit 7 into carry`
			`ror sreg+1`
			`ror sreg`
			`ror tmp1`
			`ror a`
			`cpx #$80 ; Get bit 7 into carry`
			`ror sreg+1`
			`ror sreg`
			`ror tmp1`
			`ror a`
			`ldx tmp1`
			`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