From a3c68860a7e1223f40203960e38b16939f39e021 Mon Sep 17 00:00:00 2001
From: IgorCielniak <igorcielniak.contact@gmail.com>
Date: Thu, 12 Feb 2026 17:39:05 +0100
Subject: [PATCH] added get_addr and jmp

---
 stdlib/core.sl          | 14 ++++++++++++++
 tests/jmp_test.expected |  5 +++++
 tests/jmp_test.sl       | 18 ++++++++++++++++++
 tests/jmp_test.test     |  1 +
 4 files changed, 38 insertions(+)
 create mode 100644 tests/jmp_test.expected
 create mode 100644 tests/jmp_test.sl
 create mode 100644 tests/jmp_test.test

diff --git a/stdlib/core.sl b/stdlib/core.sl
index 9728df0..6f8f8ca 100644
--- a/stdlib/core.sl
+++ b/stdlib/core.sl
@@ -1,3 +1,17 @@
+#get_addr [*] -> [* | addr]
+:asm get_addr {
+    mov rax, [rsp]
+    sub r12, 8
+    mov [r12], rax
+};
+
+#jmp [* | addr] -> [*]
+:asm jmp {
+    mov rax, [r12]
+    add r12, 8
+    jmp rax
+};
+
 # Reserve 64 bytes in .bss
 # persistent: resb 64
 # push the addr of it
diff --git a/tests/jmp_test.expected b/tests/jmp_test.expected
new file mode 100644
index 0000000..751e999
--- /dev/null
+++ b/tests/jmp_test.expected
@@ -0,0 +1,5 @@
+gg
+gg
+gg
+gg
+gg
diff --git a/tests/jmp_test.sl b/tests/jmp_test.sl
new file mode 100644
index 0000000..b50bad2
--- /dev/null
+++ b/tests/jmp_test.sl
@@ -0,0 +1,18 @@
+import stdlib.sl
+
+word main
+    5          # loop count
+    get_addr   # push loop target address (next instruction)
+    "gg" puts
+
+    swap       # bring count to top
+    1 -        # decrement
+    dup 0 > if
+        swap   # put addr on top
+        dup    # keep a copy for next iteration
+        jmp
+    else
+        drop   # drop count
+        drop   # drop addr
+    end
+end
\ No newline at end of file
diff --git a/tests/jmp_test.test b/tests/jmp_test.test
new file mode 100644
index 0000000..e6d145e
--- /dev/null
+++ b/tests/jmp_test.test
@@ -0,0 +1 @@
+python main.py tests/jmp_test.sl -o ./build/jmp_test > /dev/null && ./build/jmp_test
\ No newline at end of file