implement an lc87 decoder1.0.0

1 files changed, 31 insertions, 0 deletions

diff --git a/test/test.rs b/test/test.rs
new file mode 100644
index 0000000..3fe9dbe
--- /dev/null
+++ b/test/test.rs
@@ -0,0 +1,31 @@
+use yaxpeax_arch::Decoder;
+
+fn test_display(data: &[u8], expected: &'static str) {
+    let mut reader = yaxpeax_arch::U8Reader::new(data);
+    match yaxpeax_lc87::InstDecoder::default().decode(&mut reader) {
+        Ok(instr) => {
+            let displayed = instr.to_string();
+            assert_eq!(&displayed, expected);
+            assert_eq!(data.len() as u8, instr.len());
+        }
+        Err(e) => {
+            panic!("failed to decode {:02x?}: {}", data, e);
+        }
+    }
+}
+
+#[test]
+fn test_disassembly() {
+//    test_display(&[0x43, 0x0a, 0x1f], "mov #13h, spl");
+    test_display(&[0x43, 0x0a, 0x1f], "mov #1fh, fe0ah");
+//    test_display(&[0x43, 0x0b, 0x00], "mov #00h, sph");
+    test_display(&[0x43, 0x0b, 0x00], "mov #00h, fe0bh");
+    test_display(&[0x47, 0x34, 0x12], "ldw #1234h");
+    test_display(&[0x47, 0x78, 0x56], "ldw #5678h");
+    test_display(&[0x97, 0x12, 0xfe], "stw fe12h");
+    test_display(&[0x97, 0xc0, 0x00], "stw 00c0h");
+    test_display(&[0x49, 0x00], "rcall $+0x100");
+    test_display(&[0x59, 0x00], "rcall $+0x900");
+    test_display(&[0x08, 0x10, 0x3f], "bp 0010h, 0, $+0x3f");
+    test_display(&[0x0a, 0x10, 0x3f], "bp 0010h, 2, $+0x3f");
+}