6 files changed, 90 insertions, 0 deletions
diff --git a/examples/arithmetic.hdass b/examples/arithmetic.hdass
new file mode 100644
index 0000000..359653e
--- /dev/null
+++ b/examples/arithmetic.hdass
@@ -0,0 +1,13 @@
+// Computes (5 + 3) * 2 - 1 = 15 and returns it as the exit status.
+const SYS_EXIT = 60
+
+proc main
+{
+    rdi = 5
+    rdi += 3
+    rdi *= 2
+    rdi -= 1
+
+    rax = SYS_EXIT
+    syscall
+}
diff --git a/examples/branch.hdass b/examples/branch.hdass
new file mode 100644
index 0000000..1218773
--- /dev/null
+++ b/examples/branch.hdass
@@ -0,0 +1,17 @@
+// Returns the larger of two values (max(3, 8) = 8) as the exit status.
+const SYS_EXIT = 60
+
+proc main
+{
+    rbx = 3
+    rcx = 8
+
+    rdi = rbx
+    if rcx <= rbx
+        goto done
+    rdi = rcx
+
+done:
+    rax = SYS_EXIT
+    syscall
+}
diff --git a/examples/call.hdass b/examples/call.hdass
new file mode 100644
index 0000000..239a26b
--- /dev/null
+++ b/examples/call.hdass
@@ -0,0 +1,13 @@
+// Passes an argument through a proc parameter, which exits with that value.
+const SYS_EXIT = 60
+
+proc exit_with(code: rdi)
+{
+    rax = SYS_EXIT
+    syscall
+}
+
+proc main
+{
+    exit_with(21)
+}
diff --git a/examples/exit_code.hdass b/examples/exit_code.hdass
new file mode 100644
index 0000000..7c44df9
--- /dev/null
+++ b/examples/exit_code.hdass
@@ -0,0 +1,9 @@
+// Exits with status 42 and no output.
+const SYS_EXIT = 60
+
+proc main
+{
+    rax = SYS_EXIT
+    rdi = 42
+    syscall
+}
diff --git a/examples/greet.hdass b/examples/greet.hdass
new file mode 100644
index 0000000..a253b5e
--- /dev/null
+++ b/examples/greet.hdass
@@ -0,0 +1,20 @@
+// Writes a fixed string to stdout, then exits cleanly.
+const SYS_WRITE = 1
+const SYS_EXIT = 60
+
+const STDOUT = 1
+
+data greeting = "hdass works!\n"
+
+proc main
+{
+    rax = SYS_WRITE
+    rdi = STDOUT
+    rsi = greeting
+    rdx = greeting.len
+    syscall
+
+    rax = SYS_EXIT
+    rdi = 0
+    syscall
+}
diff --git a/examples/loop_sum.hdass b/examples/loop_sum.hdass
new file mode 100644
index 0000000..bb8d115
--- /dev/null
+++ b/examples/loop_sum.hdass
@@ -0,0 +1,18 @@
+// Sums 5 + 4 + 3 + 2 + 1 = 15 with a countdown loop, returns it as the status.
+const SYS_EXIT = 60
+
+proc main
+{
+    rbx = 0      // running total
+    rcx = 5      // counter
+
+loop:
+    rbx += rcx
+    rcx -= 1
+    if rcx != 0
+        goto loop
+
+    rdi = rbx
+    rax = SYS_EXIT
+    syscall
+}