X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=ROM2%2Fhelpers.c;h=0f9f4dbf06ae27f86b25b2ac02c18ddac8c12c36;hb=5266fabbd6d0e04a49e31b945b3f3c96fbd12db6;hp=ead76da604044ce4bd7a10e869e9138eceb1717f;hpb=1e7218d1311dafb5c1c81e4c4ad64847432be0b5;p=uccvend-snackrom.git

diff --git a/ROM2/helpers.c b/ROM2/helpers.c
index ead76da..0f9f4db 100644
--- a/ROM2/helpers.c
+++ b/ROM2/helpers.c
@@ -1,3 +1,4 @@
+#include "display_basic.h"
 #include "vend.h"
 
 #define DELAY_MAGIC 20 /* FIXME: number of loops for ~ 1 millisecond (< 256) */
@@ -9,3 +10,12 @@ void delay(u16 ms) {
 	}
 }
 
+void print_amount(u16 amt) {
+	/* take amt and show it on screen with a $ sign */
+	char str[10] = {' ', '$', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' '};
+	u8 pos;
+	for (pos = 7; amt; pos--, amt/=10) {
+		str[pos] = amt%10 + '0';
+	}
+	set_msg(str);
+}