1 files changed, 27 insertions, 0 deletions
diff --git a/ARM_assembly/MultProject/CCode.c b/ARM_assembly/MultProject/CCode.c
new file mode 100644
index 0000000..3657c68
--- /dev/null
+++ b/ARM_assembly/MultProject/CCode.c
@@ -0,0 +1,27 @@
+#include <stdio.h>
+
+void SMULT64X64(num0, num1, result0, result1) {
+
+	previousBit = 0;
+	result0 = num0;
+
+	for(int i = 0; i < 64; i++) {
+		currentBit = num0 & 1;
+
+		if(currentBit == 0 && previousBit == 1) {
+			result1 += num1;
+		} else if(currentBit == 1 && previousBit == 0) {
+			result1 -= num1;
+		}
+
+		result1 >> 1;
+		result0 >rrc> 1;
+		previousBit = currentBit;
+	}
+	printf("%d %d", result1, result0);
+}
+
+int main() {
+	SMULT64X64(2, 3, 0, 0);
+	return 0;
+}