X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=ROM2%2Fhelpers.c;h=07ab7f4da859c3a5803b36b9ad853f2b07017a42;hb=715d806791712ec07ec792cffa85073eaf6d8011;hp=68adb3f6489aa9b683dc47c423e37837c4529fca;hpb=caf0c7e19f65db08f81413320f11a8d5a8bea5d2;p=uccvend-snackrom.git

diff --git a/ROM2/helpers.c b/ROM2/helpers.c
index 68adb3f..07ab7f4 100644
--- a/ROM2/helpers.c
+++ b/ROM2/helpers.c
@@ -1,26 +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");
+	}
 }
 
-#define buffered_addr(a) \
-	u8 a; \
-	inline void set_##a(u8 b) { a = *_##a = b; } \
-	inline void bset_##a(u8 m) { a |= m; *_##a = a; } \
-	inline void bclr_##a(u8 m) { a &= ~m ; *_##a = a; }
-
-buffered_addr(switch_input)
-buffered_addr(misc_input)
-buffered_addr(home_sensors)
-buffered_addr(changer_output)
-buffered_addr(misc_output)
-
-
-inline void spi_enable() {
-	_io_ports[M6811_SPCR] |= M6811_SPE;
-}
-
-inline void spi_disable() {
-	_io_ports[M6811_SPCR] &= ~M6811_SPE;
-}