Initial data commit

Task/Hello-world-Text/WebAssembly/hello-world-text.wasm

@@ -0,0 +1,35 @@
+(module $helloworld
+
+    ;;Import fd_write from WASI, declaring that it takes 4 i32 inputs and returns 1 i32 value
+    (import "wasi_unstable" "fd_write"
+        (func $fd_write (param i32 i32 i32 i32) (result i32))
+    )
+
+    ;;Declare initial memory size of 32 bytes
+    (memory 32)
+
+    ;;Export memory so external functions can see it
+    (export "memory" (memory 0))
+
+    ;;Declare test data starting at address 8
+    (data (i32.const 8) "Hello world!\n")
+
+    ;;The entry point for WASI is called _start
+    (func $main (export "_start")
+
+        ;;Write the start address of the string to address 0
+        (i32.store (i32.const 0) (i32.const 8))
+
+        ;;Write the length of the string to address 4
+        (i32.store (i32.const 4) (i32.const 13))
+
+        ;;Call fd_write to print to console
+        (call $fd_write
+            (i32.const 1) ;;Value of 1 corresponds to stdout
+            (i32.const 0) ;;The location in memory of the string pointer
+            (i32.const 1) ;;Number of strings to output
+            (i32.const 24) ;;Address to write number of bytes written
+        )
+        drop ;;Ignore return code
+    )
+)