some FP wrappers and test code, not very good yet

1 files changed, 44 insertions, 0 deletions

diff --git a/bigtest.c b/bigtest.c
new file mode 100644
index 0000000..f6b2551
--- /dev/null
+++ b/bigtest.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <peekpoke.h>
+
+#include "bignum.h"
+
+unsigned long values[] = {
+	123456789L,
+	12345678L,
+	1234567L,
+	123456L,
+	65536L,
+	65535L,
+	4294966190L, /* works, (2**32-1)-1105 */
+	4294967295L,
+	665,
+	78,
+	1,
+	0
+};
+
+int main(void) {
+	char i, j;
+	unsigned long l = 123456789L; // 075bcd15, or 52501 + 256 * 1883
+	bignum(b);
+
+	/*
+	ulong_to_big(l, b);
+	for(i=0; i<6; i++)
+		printf("%02x ", b[i]);
+		*/
+
+	POKEW(19,0);
+	for(i=0; i < (sizeof(values)) / (sizeof(long)); i++) {
+		l = values[i];
+		printf("%lu: ", l);
+		ulong_to_big(l, b);
+		l = 666L;
+		j = big_to_ulong(b, &l);
+		printf("%d %lu\n", j, l);
+	}
+
+	printf("%d\n", PEEK(20)+256*PEEK(19));
+hang: goto hang;
+}