spec and shit

src/main.rs

@@ -0,0 +1,29 @@
+const XLEN: usize = 32;
+// define words as byte fraction
+const QUADWORD: usize = 16;
+const DOUBLEWORD: usize = 8;
+const WORD: usize = 4;
+const HALFWORD: usize = 2;
+const BYTE: usize = 1;
+
+type QuadWord = u128;
+type DoubleWord = u64;
+type Word = u32;
+type HalfWord = u16;
+type Byte = u8;
+
+struct VMRV32I {
+    // 32 registers
+    x: [Word; 32],
+    // 32-bit program counter
+    pc: Word,
+}
+
+struct VMChunk {
+
+}
+
+fn main() {
+    println!("Hello, world!");
+}
+