X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=ROM2%2Fhelpers.c;h=07ab7f4da859c3a5803b36b9ad853f2b07017a42;hb=cef1445c4f1ebaa38f9e6561b4fd15f164a27dcd;hp=283ca30a37531b355a050157cfa5b261c9fe87f8;hpb=4f35424978e202fff48c2331eee9fd01e3da244f;p=uccvend-snackrom.git

diff --git a/ROM2/helpers.c b/ROM2/helpers.c
index 283ca30..07ab7f4 100644
--- a/ROM2/helpers.c
+++ b/ROM2/helpers.c
@@ -1,45 +1,11 @@
 #include "vend.h"
 
-/* some IO addresses require buffering, so we create some generic buffering
- * functions here
- */
-
-/* create port-specific #defines: */
-#define buffered_port(p) \
-	u8   addr_##p##_buffer = 0; \
-	\
-	void __inline__ outb_##p(u8 b) { \
-		addr_##p##_buffer = b; \
-		outb(p, b); \
-	} \
-	\
-	void __inline__ bset_##p(u8 mask) { \
-		bset((addr_t)&addr_##p##_buffer, mask); \
-		outb(p, addr_##p##_buffer); \
-	} \
-	\
-	void __inline__ bclr_##p(u8 mask) { \
-		bclr((addr_t)&addr_##p##_buffer, mask); \
-		outb(p, addr_##p##_buffer); \
-	} 
-
-void __inline__ outb(addr_t addr, u8 byte) {
-	/* FIXME hmmm */
-	/* asm? */
-}
-
-void __inline__ bset(addr_t addr, u8 mask) {
-	/* FIXME again. asm? */
-}
-
-void __inline__ bclr(addr_t addr, u8 mask) {
-	/* FIXME again. asm? */
-}
-
+#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");
+	}
 }
 
-/* ports declared here must be defined with buffered_port_h() in vend.h too */
-buffered_port(3800);
-