From 94bc946a4c5c02212b2e07107de8b8e5dc359b41 Mon Sep 17 00:00:00 2001
From: Vince Weaver <vince@deater.net>
Date: Fri, 10 Jun 2022 23:28:02 -0400
Subject: [PATCH] hgr: another short graphics demo

---
 basic/appleiibot/Makefile         | 10 +++-
 basic/appleiibot/ooze.bas         |  2 +
 graphics/hgr/transitions/Makefile | 25 +++++++--
 graphics/hgr/transitions/fold.s   | 85 +++++++++++++++++++++++++++++++
 graphics/hgr/transitions/ooze32.s | 66 ++++++++++++++++++++++++
 5 files changed, 184 insertions(+), 4 deletions(-)
 create mode 100644 basic/appleiibot/ooze.bas
 create mode 100644 graphics/hgr/transitions/fold.s
 create mode 100644 graphics/hgr/transitions/ooze32.s

diff --git a/basic/appleiibot/Makefile b/basic/appleiibot/Makefile
index 29faf9a9..1c31978c 100644
--- a/basic/appleiibot/Makefile
+++ b/basic/appleiibot/Makefile
@@ -22,7 +22,8 @@ appleiibot.dsk:	E2.BAS FLAME.BAS FLAME2.BAS HELLO \
 	OVAL.BAS OVAL_HGR.BAS MOVING.BAS THICK_SINE.BAS TURKEY.BAS \
 	FLAME_HGR.BAS RECT.BAS SNOWY.BAS EDGAR.BAS OOPS4.BAS OOPS3.BAS \
 	HORROR.BAS DIAMOND.BAS LEMM.BAS OOPS.BAS SPLIT.BAS PARTICLE.BAS \
-	PARTICLE_HGR.BAS DIAMOND_SCROLL.BAS RANDOM_SCROLL.BAS STAR_BOUNCE.BAS
+	PARTICLE_HGR.BAS DIAMOND_SCROLL.BAS RANDOM_SCROLL.BAS STAR_BOUNCE.BAS\
+	OOZE.BAS
 #	cp $(EMPTY_DISK)/empty.dsk  appleiibot.dsk
 	cp empty.dsk appleiibot.dsk
 	$(DOS33) -y appleiibot.dsk BSAVE -a 0x0300 LOAD
@@ -122,6 +123,7 @@ appleiibot.dsk:	E2.BAS FLAME.BAS FLAME2.BAS HELLO \
 	$(DOS33) -y appleiibot.dsk SAVE A DIAMOND_SCROLL.BAS
 	$(DOS33) -y appleiibot.dsk SAVE A RANDOM_SCROLL.BAS
 	$(DOS33) -y appleiibot.dsk SAVE A STAR_BOUNCE.BAS
+	$(DOS33) -y appleiibot.dsk SAVE A OOZE.BAS
 
 ####
 
@@ -688,6 +690,12 @@ RANDOM_SCROLL.BAS:	random_scroll.bas
 STAR_BOUNCE.BAS:	star_bounce.bas
 	$(TOKENIZE) < star_bounce.bas > STAR_BOUNCE.BAS
 
+####
+
+OOZE.BAS:	ooze.bas
+	$(TOKENIZE) < ooze.bas > OOZE.BAS
+
+
 
 ####
 
diff --git a/basic/appleiibot/ooze.bas b/basic/appleiibot/ooze.bas
new file mode 100644
index 00000000..858af123
--- /dev/null
+++ b/basic/appleiibot/ooze.bas
@@ -0,0 +1,2 @@
+1FORI=0TO30:POKE1013+I,4*PEEK(2125+I)-204+(PEEK(2156+I/3)-35)/4^(I-INT(I/3)*3):NEXT
+2&"-hoOqTq]gNq\n:7p[3ZqW<Ugciren7l[8*<6#8%\+#
diff --git a/graphics/hgr/transitions/Makefile b/graphics/hgr/transitions/Makefile
index e3183282..0fc0588d 100644
--- a/graphics/hgr/transitions/Makefile
+++ b/graphics/hgr/transitions/Makefile
@@ -7,11 +7,13 @@ EMPTYDISK = ../../../empty_disk/empty.dsk
 
 all:	transition.dsk
 
-transition.dsk:	HELLO RECTANGLE BARS
+transition.dsk:	HELLO RECTANGLE BARS FOLD OOZE32
 	cp $(EMPTYDISK) transition.dsk
 	$(DOS33) -y transition.dsk SAVE A HELLO
 	$(DOS33) -y transition.dsk BSAVE -a 0x3f5 RECTANGLE
 	$(DOS33) -y transition.dsk BSAVE -a 0xc00 BARS
+	$(DOS33) -y transition.dsk BSAVE -a 0xc00 FOLD
+	$(DOS33) -y transition.dsk BSAVE -a 0xef5 OOZE32
 
 ###
 
@@ -36,6 +38,23 @@ bars.o:	bars.s
 
 ###
 
-clean:	
-	rm -f *~ *.o *.lst HELLO RECTANGLE BARS
+FOLD:	fold.o
+	ld65 -o FOLD fold.o -C $(LINKERSCRIPTS)/apple2_c00.inc
+
+fold.o:	fold.s
+	ca65 -o fold.o fold.s -l fold.lst
+
+###
+
+OOZE32:	ooze32.o
+	ld65 -o OOZE32 ooze32.o -C $(LINKERSCRIPTS)/apple2_3f5.inc
+
+ooze32.o:	ooze32.s
+	ca65 -o ooze32.o ooze32.s -l ooze32.lst
+
+
+###
+
+clean:	
+	rm -f *~ *.o *.lst HELLO RECTANGLE BARS FOLD OOZE32
 
diff --git a/graphics/hgr/transitions/fold.s b/graphics/hgr/transitions/fold.s
new file mode 100644
index 00000000..a8083a5b
--- /dev/null
+++ b/graphics/hgr/transitions/fold.s
@@ -0,0 +1,85 @@
+; When to fold them
+
+
+; zero page
+GBASL	= $26
+GBASH	= $27
+YY	= $69
+ROW_SUM = $70
+
+HGR_X           = $E0
+HGR_XH          = $E1
+HGR_Y           = $E2
+HGR_COLOR       = $E4
+HGR_PAGE        = $E6
+
+OUTL = $FD
+OUTH = $FE
+LINE = $FF
+
+; soft-switches
+FULLGR	= $C052
+PAGE1	= $C054
+
+; ROM routines
+
+HGR2	= $F3D8
+HGR	= $F3E2
+HPOSN	= $F411		; (Y,X),(A)  (values stores in HGRX,XH,Y)
+
+WAIT    = $FCA8                 ;; delay 1/2(26+27A+5A^2) us
+
+	;================================
+	; Clear screen and setup graphics
+	;================================
+bars:
+
+	jsr	HGR		; set hi-res 140x192, page2, fullscreen
+				; A and Y both 0 at end
+
+
+	; copy in some nonsense
+
+;	ldy	#0
+;loop:
+;src_smc:
+;	lda	$d000,Y
+;dst_smc:
+;	sta	$4000,Y
+;	dey
+;	bne	loop
+
+;	inc	src_smc+2
+;	inc	dst_smc+2
+;	lda	dst_smc+2
+;	cmp	#$60
+;	bne	loop
+
+	lda	#$d0
+	sta	OUTH
+	lda	#$00
+	sta	OUTL
+
+	ldy	#0
+	sty	LINE
+
+line_loop:
+	lda	LINE
+	jsr	HPOSN		; (Y,X),(A)  (values stores in HGRX,XH,Y)
+
+	; first top right
+	ldy	#39
+out_loop:
+	lda	(OUTL),Y
+	sta	(GBASL),Y
+
+	dey
+	bpl	out_loop
+
+	inc	LINE
+	lda	LINE
+	cmp	#192
+	bne	line_loop
+
+end:
+	jmp	end
diff --git a/graphics/hgr/transitions/ooze32.s b/graphics/hgr/transitions/ooze32.s
new file mode 100644
index 00000000..ff3b2d98
--- /dev/null
+++ b/graphics/hgr/transitions/ooze32.s
@@ -0,0 +1,66 @@
+; Ooze32
+
+; zero page
+GBASL	= $26
+GBASH	= $27
+YY	= $69
+ROW_SUM = $70
+
+HGR_X           = $E0
+HGR_XH          = $E1
+HGR_Y           = $E2
+HGR_COLOR       = $E4
+HGR_PAGE        = $E6
+
+OUTL = $FD
+OUTH = $FE
+LINE = $FF
+
+; soft-switches
+FULLGR	= $C052
+PAGE1	= $C054
+
+; ROM routines
+
+HGR2	= $F3D8
+HGR	= $F3E2
+HPOSN	= $F411		; (Y,X),(A)  (values stores in HGRX,XH,Y)
+
+WAIT    = $FCA8                 ;; delay 1/2(26+27A+5A^2) us
+
+	;================================
+	; Clear screen and setup graphics
+	;================================
+bars:
+
+	jsr	HGR		; set hi-res 140x192, page2, fullscreen
+				; A and Y both 0 at end
+
+forever:
+	sta	OUTL
+	sta	LINE
+
+	lda	#$d0
+	sta	OUTH
+
+
+line_loop:
+	lda	LINE
+	jsr	HPOSN		; (Y,X),(A)  (values stores in HGRX,XH,Y)
+
+	; first top right
+	ldy	#0
+out_loop:
+	lda	(OUTL),Y
+	sta	(GBASL),Y
+
+	dey
+	bne	out_loop
+
+	inc	LINE
+;	lda	LINE
+;	cmp	#192
+	bne	line_loop
+
+end:
+	bpl	forever