cc65/libsrc/runtime/subeqsp.s

;
; Ullrich von Bassewitz, 08.10.1998
;
; CC65 runtime: -= operator for ints on the stack
;

        .export         subeq0sp, subeqysp
        .importzp       sp

subeq0sp:
        ldy     #0
subeqysp:
        sec
        eor     #$FF
        adc     (sp),y
        sta     (sp),y
        pha                     ; Save low byte
        iny
        txa
        eor     #$FF
        adc     (sp),y
        sta     (sp),y
        tax
        pla                     ; Restore low byte
        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, 08.10.1998`
			`;`
			`; CC65 runtime: -= operator for ints on the stack`
			`;`

Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:56:54 +02:00			`.export subeq0sp, subeqysp`
			`.importzp sp`
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
			`subeq0sp:`
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:56:54 +02:00			`ldy #0`
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			`subeqysp:`
Removed (pretty inconsistently used) tab chars from source code base. 2013-05-09 13:56:54 +02:00			`sec`
			`eor #$FF`
			`adc (sp),y`
			`sta (sp),y`
			`pha ; Save low byte`
			`iny`
			`txa`
			`eor #$FF`
			`adc (sp),y`
			`sta (sp),y`
			`tax`
			`pla ; Restore low byte`
			`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