build.zig and memory.x as ld file for tivatm4c123g

basics/src/main.zig

@@ -0,0 +1,26 @@
+// src/main.zig
+const std = @import("std");
+
+fn sumUpTo(comptime n: u32) u64 {
+    var sum: u64 = 0;
+    var i: usize = 0;
+    while (i < n+1) : (i+=1) {
+        sum = sum + i;
+    }
+    return sum;
+}
+
+fn sumUpTo2(comptime n: u32) u64 {
+    var sum: u64 = 0;
+    for (0..n + 1) |i| {
+        sum += i;
+    }
+    return sum;
+}
+
+pub fn main() !void {
+    const r1 = comptime sumUpTo(100);
+    const r2 = sumUpTo2(1_000_000);
+    std.debug.print("{d}\n", .{r1});
+    std.debug.print("{d}\n", .{r2});
+}