From: Bernard Blackham <dagobah@ucc.asn.au>
Date: Fri, 15 Aug 2003 08:18:10 +0000 (+0000)
Subject: Last cleanup
X-Git-Tag: ROMW~66
X-Git-Url: https://git.ucc.asn.au/?p=uccvend-snackrom.git;a=commitdiff_plain;h=3d8e5e4e1024a34885544acf3acec80e1b1e732b

Last cleanup
---

diff --git a/ROM2/start.s b/ROM2/start.s
new file mode 100644
index 0000000..1520835
--- /dev/null
+++ b/ROM2/start.s
@@ -0,0 +1,27 @@
+.sect .text
+.globl _start
+
+_start:
+;; enable the RTI
+	ldaa #0x40
+	staa 0x1024
+;; enable the ADC, and configure IRQ' for edge-sensitive operation
+	ldaa #0xa0
+	staa 0x1039
+;; set the stack pointer
+	lds _stack
+
+;; initialize initialised variables
+	ldx #0x0000
+loop:
+	cpx #0x0080
+	bcc out
+	clr 00,x
+	inx
+	bra loop
+out:
+
+	jsr main
+
+infinity:
+	bra infinity