Strip out wire+node concepts, rely only on gates

1 files changed, 0 insertions, 106 deletions

diff --git a/wire.c b/wire.c
deleted file mode 100644
index e181d83..0000000
--- a/wire.c
+++ /dev/null
@@ -1,106 +0,0 @@
-#include <string.h>
-
-#include "wire.h"
-#include "error.h"
-
-#define WIRE_MAX 1024
-#define NODE_MAX 1024
-
-static size_t wire_count;
-static size_t node_count;
-
-static struct wire wires[WIRE_MAX];
-static struct node nodes[NODE_MAX];
-
-int
-wire_count_guard(void) {
-	if (wire_count >= WIRE_MAX) {
-		emit_error("Internal: too many wires\n");
-	}
-	return 1;
-}
-
-/* check if the nodes in a wire are allowed to be joined together */
-int
-wire_nodes_valid(struct wire *w) {
-	/* FIXME needs to be more explicit if more than NODE_OUTPUT and NODE_INPUT
-	 * out are added to node types */
-	if (w->b->type == w->b->type) {
-		emit_error("Cannot wire %sput to node of same type\n",
-		           w->a->type == NODE_OUTPUT ? "out" : "in" );
-		return 1;
-	}
-	return 0;
-}
-
-int
-wire_add(size_t aoffs, size_t boffs) {
-	struct wire w = {0};
-
-	if (wire_count_guard()) {
-		return 1;
-	}
-
-	if (aoffs >= NODE_MAX || boffs >= NODE_MAX) {
-		emit_error("Internal: cannot wire between node(s) outside allowable range\n");
-		return 1;
-	}
-
-	/* FIXME check that nodes are initialised? */
-
-	w.a = &nodes[aoffs];
-	w.b = &nodes[boffs];
-
-	if (wire_nodes_valid(&w)) {
-		return 1;
-	}
-
-	wires[wire_count++] = w;
-
-	return 0;
-}
-
-int
-node_update(void) {
-	size_t i = 0;
-	struct node *na;
-	struct node *nb;
-
-	if (wire_count_guard()) {
-		return 1;
-	}
-
-	for (i = 0; i < wire_count; i++) {
-		na = wires[i].a;
-		nb = wires[i].b;
-		if (na->type == NODE_OUTPUT && nb->type == NODE_INPUT) {
-			nb->value = na->value;
-		}
-
-		if (na->type == NODE_INPUT && nb->type == NODE_OUTPUT) {
-			na->value = nb->value;
-		}
-	}
-	return 0;
-}
-
-
-int
-tick(void) {
-	nodes[0].value = logic_not(nodes[0].value);
-	node_update();
-	return 0;
-}
-
-void
-wire_init(void) {
-	wire_count = 0;
-	memset(wires, 0, sizeof(wires));
-	memset(nodes, 0, sizeof(nodes));
-
-	/* zeroth node is the clock source */
-	node_count = 1;
-	nodes[0].type = NODE_OUTPUT;
-	nodes[0].value = 0;
-}
-