From 4273768c7678a9c1b61ed4b6c4e16e537ce558cd Mon Sep 17 00:00:00 2001
From: Vince Weaver <vincent.weaver@maine.edu>
Date: Tue, 30 Apr 2024 23:29:54 -0400
Subject: [PATCH] bubble_gr: add tale test code

---
 graphics/gr/bubble_universe/Makefile     | 10 ++++-
 graphics/gr/bubble_universe/make_table.c | 53 ++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 1 deletion(-)
 create mode 100644 graphics/gr/bubble_universe/make_table.c

diff --git a/graphics/gr/bubble_universe/Makefile b/graphics/gr/bubble_universe/Makefile
index 6b0ef91d..c43ee94b 100644
--- a/graphics/gr/bubble_universe/Makefile
+++ b/graphics/gr/bubble_universe/Makefile
@@ -5,7 +5,7 @@ TOKENIZE = ../../../utils/asoft_basic-utils/tokenize_asoft
 LINKER_SCRIPTS = ../../../linker_scripts
 EMPTY_DISK = ../../../empty_disk
 
-all:	bubble_gr.dsk
+all:	bubble_gr.dsk make_table
 
 bubble_gr.dsk:	HELLO BUBBLE_GR
 	cp $(EMPTY_DISK)/empty.dsk bubble_gr.dsk
@@ -27,6 +27,14 @@ bubble_gr.o:	bubble_gr.s
 
 ###
 
+make_table:	make_table.o
+	$(CC) $(LFLAGS) -o make_table make_table.o
+
+make_table.o:	make_table.c
+	$(CC) $(CFLAGS) -c make_table.c
+
+###
+
 clean:	
 	rm -f *~ *.o *.lst HELLO BUBBLE_GR
 
diff --git a/graphics/gr/bubble_universe/make_table.c b/graphics/gr/bubble_universe/make_table.c
new file mode 100644
index 00000000..f9e8e944
--- /dev/null
+++ b/graphics/gr/bubble_universe/make_table.c
@@ -0,0 +1,53 @@
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+
+	int x;
+
+	unsigned char values[256];
+
+//
+//	ldy #0			; 2
+//xloop:
+//	ldx #15			; 2
+//loop:
+//	tya			; 1
+//	sec			; 1
+//	sbc	#$11		; 2
+
+//	cpx	#15		; 2
+//	bne	skip2		; 2
+//	and	#$f0		; 2
+//	clc			; 1
+//	adc	#$10		; 2
+
+// skip2:
+
+//	cpy	#16		; 2
+//	bcs	skip		; 2
+//	and	#$f		; 2
+
+
+// skip:
+//	sta	table,Y		; 3
+//	iny			; 1
+//	beq	done		; 2
+//	dex			; 1
+//	bmi	xloop		; 2
+//	bpl	loop		; 2
+//done:
+
+	for(x=0;x<256;x++) {
+		values[x]=x-0x11;
+		if (x%16==0) values[x]=(values[x]&0xf0)+0x10;
+		if (x<16) values[x]&=0xf;
+	}
+
+	for(x=0;x<256;x++) {
+		if (x%16==0) printf("\n");
+		printf("$%02X ",values[x]);
+	}
+	printf("\n");
+
+	return 0;
+}