From 4105c50e9802d8c48c457ca327cac871345d9402 Mon Sep 17 00:00:00 2001
From: zanostro <zan.skvarca@gmail.com>
Date: Wed, 22 Oct 2025 18:46:30 +0200
Subject: [PATCH] added zoge

---
 .gitignore    |  23 +++++++++
 zoge/zoge.asm | 137 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 160 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 zoge/zoge.asm

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..dbda62e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,23 @@
+# === Windows junk ===
+*.Zone.Identifier
+
+# === VS Code settings ===
+.vscode/
+.code-workspace
+
+# === MacOS junk (if ever used) ===
+.DS_Store
+
+# === Linux trash (optional) ===
+*.swp
+*~
+
+# === Node modules (if applicable) ===
+node_modules/
+
+# === Python cache (if applicable) ===
+__pycache__/
+*.pyc
+
+autotester
+sictools.jar
diff --git a/zoge/zoge.asm b/zoge/zoge.asm
new file mode 100644
index 0000000..16c1881
--- /dev/null
+++ b/zoge/zoge.asm
@@ -0,0 +1,137 @@
+. code
+bounce 	START 	0
+
+	LDA	NUM_B
+	MUL	D_SIZE
+	STA	MAXIDX
+
+
+LOOP	LDX	INDEX
+
+	LDA	ballX,X
+	COMP	maxX
+	JEQ	X_WALL	. hits right wall
+
+	COMP	ZERO
+	JEQ	X_WALL 	. hits left wall
+
+cmpY	LDA	ballY,X
+	COMP	maxY
+	JEQ	Y_WALL	. hits bottom
+
+	COMP	ZERO
+	JEQ	Y_WALL 	. hits top
+
+endCOMP	LDA	bColour,X
+	STA	colour
+
+	LDA	ballX,X
+	LDB	ballY,X
+	LDT	HEIGHT
+	MULR	T, B		.flatten
+	ADDR	B, A
+
+	STX	INDEX
+	RMO	A, X		. copy flattened old coordinates to X
+
+	LDCH	BLACK		. clear screen
+	+STCH	SCREEN,X
+	LDX	INDEX	
+
+	LDA	ballX,X		.//calculae new X
+	LDT	bSpeedX,X
+	ADDR	T, A
+	STA	ballX,X
+
+	LDB	ballY,X		. calculate new Y
+	LDT	bSpeedY, X
+	ADDR	T, B
+	STB	ballY,X
+
+	LDT	HEIGHT
+	MULR	T, B		. flatten
+	ADDR	B, A
+
+	STX	INDEX
+	RMO	A, X		. copy flattened old coordinates to X
+
+	LDA	colour
+	+STCH	SCREEN,X	. update screen
+	LDX	INDEX	
+
+	. reset
+	LDA   #3
+    	ADDR  A,X          
+    	STX   INDEX        
+
+    	LDA   MAXIDX       
+   	COMPR X,A          
+    	JLT   LOOP         . while X < A -> keep looping balls
+
+    	LDX   #0           . wrap
+    	STX   INDEX
+    	J     LOOP
+	
+
+halt	J	halt
+
+	END	bounce
+
+. functions
+X_WALL	LDB	bSpeedX,X
+	LDT	MINUS1
+	MULR	B, T
+	STT	bSpeedX,X
+	J	cmpY
+
+Y_WALL	LDB	bSpeedY,X
+	LDT	MINUS1
+	MULR	B, T
+	STT	bSpeedY,X
+	J	endCOMP	
+
+
+. data
+ZERO	WORD	0
+MINUS1	WORD	-1
+
+D_SIZE	WORD	3
+INDEX	WORD	0
+MAXIDX	RESW	1
+
+NUM_B	WORD	3
+
+colour 	RESW	1
+
+. ball data
+ballX	WORD	60
+	WORD	32
+	WORD	32
+
+ballY	WORD	32
+	WORD	32
+	WORD	32
+
+bSpeedX	WORD	1
+	WORD	0
+	WORD	1
+	
+bSpeedY	WORD	1
+	WORD	1
+	WORD	0
+
+bColour	WORD	195	. blue
+	WORD	204 	. green
+	WORD	240	. red
+
+maxX	WORD	63
+maxY	WORD	63
+WIDTH	WORD	64
+HEIGHT	WORD	64
+
+. colors
+BLACK	BYTE	0
+
+. screen
+	ORG	0xA000 
+SCREEN	RESB	4096