From c59d0a6ce3e709171ba8815b0830797a4b55c492 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Thu, 11 Apr 2024 22:55:50 +0100
Subject: Added VIC-20 + 8K PRG example

---
 src/example/Makefile     |  5 ++++-
 src/example/vic20+8k.asm | 30 ++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 src/example/vic20+8k.asm

(limited to 'src/example')

diff --git a/src/example/Makefile b/src/example/Makefile
index 629314a..5d2d326 100644
--- a/src/example/Makefile
+++ b/src/example/Makefile
@@ -21,7 +21,7 @@
 #
 
 ALL	= spectrum.tap t64.t64 zx81.p gb.gb vcs.bin snes.sfc nes.nes cpc.cdt \
-	  prg.prg hex.hex vic20.prg
+	  prg.prg hex.hex vic20.prg vic20+8k.prg
 CASM	= ../casm
 
 all: $(ALL) $(CASM)
@@ -64,6 +64,9 @@ hex.hex: emucpm.z80 $(CASM)
 vic20.prg: vic20.asm $(CASM)
 	$(CASM) vic20.asm
 
+vic20+8k.prg: vic20+8k.asm $(CASM)
+	$(CASM) vic20+8k.asm
+
 clean:
 	rm -f $(ALL)
 
diff --git a/src/example/vic20+8k.asm b/src/example/vic20+8k.asm
new file mode 100644
index 0000000..32de0d7
--- /dev/null
+++ b/src/example/vic20+8k.asm
@@ -0,0 +1,30 @@
+	; Simple example C64 code
+	;
+
+	cpu 6502
+
+	option	codepage,cbm
+
+	option	output-file,vic20+8k.prg
+	option	output-format,prg
+	option	prg-start,start
+        option  prg-system,vic20+8k
+
+	org $1300
+
+main:
+	lda	#0
+	clc
+loop:
+	sta	36879
+	adc	#1
+        pha
+        jsr     $ffe4
+        beq     nokey
+        rts
+nokey:
+        pla
+	jmp	loop
+
+start:
+	jmp	main
-- 
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