X-Git-Url: https://git.ucc.asn.au/?p=uccvend-snackrom.git;a=blobdiff_plain;f=ROM2%2Fhelpers.c;h=07ab7f4da859c3a5803b36b9ad853f2b07017a42;hp=b44be32f2846a2eb600c7b9e6da9d390b2aa5068;hb=cef1445c4f1ebaa38f9e6561b4fd15f164a27dcd;hpb=c9763dcb182398266bae1c6a7a848beec1cba35d

diff --git a/ROM2/helpers.c b/ROM2/helpers.c
index b44be32..07ab7f4 100644
--- a/ROM2/helpers.c
+++ b/ROM2/helpers.c
@@ -1,6 +1,11 @@
 #include "vend.h"
 
+#define DELAY_MAGIC 20 /* FIXME: number of loops required for ~ 1 millisecond */
 void delay(u16 ms) {
-	/* FIXME fill me in */
+	int i;
+	for (;ms;ms--) {
+		for (i=0;i<DELAY_MAGIC; i++)
+			asm("nop\nnop\nnop\nnop\nnop\n");
+	}
 }