diff --git a/basic/appleiibot/Makefile b/basic/appleiibot/Makefile
index e09a791a..0e1d0672 100644
--- a/basic/appleiibot/Makefile
+++ b/basic/appleiibot/Makefile
@@ -26,7 +26,7 @@ appleiibot.dsk:	E2.BAS FLAME.BAS FLAME2.BAS HELLO \
 	PARTICLE_HGR.BAS DIAMOND_SCROLL.BAS RANDOM_SCROLL.BAS STAR_BOUNCE.BAS\
 	OOZE.BAS HORIZ_STAR.BAS PLANET.BAS SECRET_COLLECT.BAS PLANET_GR.BAS \
 	BOXES.BAS SOLARIS.BAS SOLARIS2.BAS ASPLODE.BAS SOLARIS3.BAS \
-	TARGET.BAS ELITE.BAS MYSTERY.BAS OFFICE.BAS
+	TARGET.BAS ELITE.BAS MYSTERY.BAS OFFICE.BAS GR_XOR.BAS
 	cp $(EMPTY_DISK)/empty_lots_of_dirents.dsk  appleiibot.dsk
 #	cp empty.dsk appleiibot.dsk
 #	$(DOS33) -y appleiibot.dsk BSAVE -a 0x0300 LOAD
@@ -140,6 +140,7 @@ appleiibot.dsk:	E2.BAS FLAME.BAS FLAME2.BAS HELLO \
 	$(DOS33) -y appleiibot.dsk SAVE A ELITE.BAS
 	$(DOS33) -y appleiibot.dsk SAVE A MYSTERY.BAS
 	$(DOS33) -y appleiibot.dsk SAVE A OFFICE.BAS
+	$(DOS33) -y appleiibot.dsk SAVE A GR_XOR.BAS
 
 
 ####
@@ -787,6 +788,11 @@ MYSTERY.BAS:	mystery.bas
 OFFICE.BAS:	office.bas
 	$(TOKENIZE) < office.bas > OFFICE.BAS
 
+####
+
+GR_XOR.BAS:	gr_xor.bas
+	$(TOKENIZE) < gr_xor.bas > GR_XOR.BAS
+
 
 
 ####
diff --git a/basic/appleiibot/gr_xor.bas b/basic/appleiibot/gr_xor.bas
new file mode 100644
index 00000000..dbe3239c
--- /dev/null
+++ b/basic/appleiibot/gr_xor.bas
@@ -0,0 +1,2 @@
+1FORI=0TO64:POKE951+I,4*PEEK(2124+I)-204+(PEEK(2189+I/3)-35)/4^(I-INT(I/3)*3):NEXT
+2&"/@q<GcY2TplrT7\jCEA\aHcMA3TpU;@p\88LeQ<X<AXlrIoU9qDhU<U7oe7k?fF]3S+4,AD5#4,66X/'P4J#%#2
diff --git a/graphics/gr/parallax/Makefile b/graphics/gr/parallax/Makefile
new file mode 100644
index 00000000..99783027
--- /dev/null
+++ b/graphics/gr/parallax/Makefile
@@ -0,0 +1,45 @@
+include ../../../Makefile.inc
+
+LINKER_DIR = ../../../linker_scripts/
+
+EMPTY_DISK = ../../../empty_disk/empty.dsk
+DOS33 = ../../../utils/dos33fs-utils/dos33
+TOKENIZE = ../../../utils/asoft_basic-utils/tokenize_asoft
+
+all:	paralax.dsk
+
+paralax.dsk:	HELLO BOXES BOXES_BOT
+	cp $(EMPTY_DISK) paralax.dsk
+	$(DOS33) -y paralax.dsk SAVE A HELLO
+	$(DOS33) -y paralax.dsk BSAVE -a 0xc00 BOXES
+	$(DOS33) -y paralax.dsk BSAVE -a 0x3B7 BOXES_BOT
+
+###
+
+BOXES: boxes.o
+	ld65 -o BOXES boxes.o -C $(LINKER_DIR)/apple2_c00.inc
+
+boxes.o:	boxes.s
+	ca65 -o boxes.o boxes.s -l boxes.lst
+
+###
+
+BOXES_BOT: boxes_bot.o
+	ld65 -o BOXES_BOT boxes_bot.o -C $(LINKER_DIR)/apple2_3b7.inc
+
+boxes_bot.o:	boxes_bot.s
+	ca65 -o boxes_bot.o boxes_bot.s -l boxes_bot.lst
+
+
+###
+
+
+HELLO:	hello.bas
+	$(TOKENIZE) < hello.bas > HELLO
+
+####
+
+
+clean:		
+		rm -f *~ *.o *.lst HELLO BOXES *.zip
+
diff --git a/graphics/gr/parallax/boxes.s b/graphics/gr/parallax/boxes.s
new file mode 100644
index 00000000..6ddc512c
--- /dev/null
+++ b/graphics/gr/parallax/boxes.s
@@ -0,0 +1,112 @@
+
+; by deater (Vince Weaver) <vince@deater.net>
+
+
+; Zero Page
+GBASL		= $26
+GBASH		= $27
+H2		= $2C
+COLOR		= $30
+
+X2		= $FB
+FRAME		= $FC
+PAGE		= $FD
+
+; Soft Switches
+KEYPRESS= $C000
+KEYRESET= $C010
+SET_GR	= $C050 ; Enable graphics
+FULLGR	= $C052	; Full screen, no text
+PAGE1	= $C054 ; Page1
+PAGE2	= $C055 ; Page2
+LORES	= $C056	; Enable LORES graphics
+
+; ROM routines
+
+PLOT	= $F800	; plot, horiz=y, vert=A (A trashed, XY Saved)
+SETCOL	= $F864
+GBASCALC= $F847         ;; take Y-coord/2 in A, put address in GBASL/H ( a trashed, C clear)
+
+SETGR	= $FB40
+HOME	= $FC58				;; Clear the text screen
+WAIT	= $FCA8				;; delay 1/2(26+27A+5A^2) us
+HLINE	= $F819
+
+
+
+boxes:
+
+	;===================
+	; init screen
+	jsr	SETGR				; 3
+	bit	FULLGR				; 3
+
+	lda	#$0
+	sta	PAGE
+
+boxes_forever:
+
+	inc	FRAME				; 2
+
+	ldx	#23				; 2
+
+; 65
+
+	; flip page
+
+	lda	PAGE
+	pha
+
+	lsr
+	lsr
+	tay
+	lda	PAGE1,Y
+
+	pla
+
+	eor	#$4
+	sta	PAGE
+
+yloop:
+	txa
+	jsr	GBASCALC
+	lda	GBASH
+	clc
+	adc	PAGE
+	sta	GBASH
+
+	ldy	#39				; 2
+xloop:
+
+	; calculate color
+
+	; color = (XX-FRAME)^(A)   | DB+1
+
+	sec			; subtract frame from Y
+	tya
+	sbc	FRAME
+	sta	X2
+
+	txa
+
+	and	#$Fc
+
+	eor	X2
+
+
+;	jsr	SETCOL
+
+	sta	(GBASL),Y
+
+	dey					; 1
+	bpl	xloop				; 2
+
+	dex					; 1
+
+	bpl	yloop				; 2
+
+	bmi	boxes_forever			; 2
+
+
+; for bot
+;	jmp	boxes
diff --git a/graphics/gr/parallax/boxes_bot.s b/graphics/gr/parallax/boxes_bot.s
new file mode 100644
index 00000000..199408f7
--- /dev/null
+++ b/graphics/gr/parallax/boxes_bot.s
@@ -0,0 +1,112 @@
+
+; by deater (Vince Weaver) <vince@deater.net>
+
+
+; Zero Page
+GBASL		= $26
+GBASH		= $27
+H2		= $2C
+COLOR		= $30
+
+X2		= $FB
+FRAME		= $FC
+PAGE		= $FD
+
+; Soft Switches
+KEYPRESS= $C000
+KEYRESET= $C010
+SET_GR	= $C050 ; Enable graphics
+FULLGR	= $C052	; Full screen, no text
+PAGE1	= $C054 ; Page1
+PAGE2	= $C055 ; Page2
+LORES	= $C056	; Enable LORES graphics
+
+; ROM routines
+
+PLOT	= $F800	; plot, horiz=y, vert=A (A trashed, XY Saved)
+SETCOL	= $F864
+GBASCALC= $F847         ;; take Y-coord/2 in A, put address in GBASL/H ( a trashed, C clear)
+
+SETGR	= $FB40
+HOME	= $FC58				;; Clear the text screen
+WAIT	= $FCA8				;; delay 1/2(26+27A+5A^2) us
+HLINE	= $F819
+
+
+
+boxes:
+
+	;===================
+	; init screen
+	jsr	SETGR				; 3
+	bit	FULLGR				; 3
+
+	lda	#$0
+	sta	PAGE
+
+boxes_forever:
+
+	inc	FRAME				; 2
+
+	ldx	#23				; 2
+
+	; flip page
+
+	lda	PAGE
+	pha
+
+	lsr
+	lsr
+	tay
+	lda	PAGE1,Y
+
+	pla
+
+	eor	#$4
+	sta	PAGE
+
+yloop:
+	txa
+	jsr	GBASCALC
+	lda	GBASH
+	clc
+	adc	PAGE
+	sta	GBASH
+
+	ldy	#39				; 2
+xloop:
+
+	; calculate color
+
+	; color = (XX-FRAME)^(A)   | DB+1
+
+	sec			; subtract frame from Y
+	tya
+	sbc	FRAME
+	sta	X2
+
+	txa
+
+	and	#$Fc
+
+	eor	X2
+
+
+;	jsr	SETCOL
+
+	sta	(GBASL),Y
+
+	dey					; 1
+	bpl	xloop				; 2
+
+	dex					; 1
+
+	bpl	yloop				; 2
+
+	bmi	boxes_forever			; 2
+
+
+; for bot
+	; want this to be at 3F5-62 = 3B7???
+
+	jmp	boxes
diff --git a/graphics/gr/parallax/hello.bas b/graphics/gr/parallax/hello.bas
new file mode 100644
index 00000000..0e3aae36
--- /dev/null
+++ b/graphics/gr/parallax/hello.bas
@@ -0,0 +1,2 @@
+5 HOME
+40 PRINT CHR$(4)"CATALOG"