From 1dc13cc508307fe051e93a27a7b9d58f04f4bd22 Mon Sep 17 00:00:00 2001
From: Lukas Krickl <lukas@krickl.dev>
Date: Sun, 25 Feb 2024 08:40:10 +0100
Subject: [PATCH] Fixed some instruction parsers for disas

---
 src/archs.h | 2 ++
 src/uldas.c | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/archs.h b/src/archs.h
index 98f100d..26e885a 100644
--- a/src/archs.h
+++ b/src/archs.h
@@ -1,6 +1,8 @@
 #ifndef ARCHS_H_
 #define ARCHS_H_
 
+#define ULAS_INSTRDATMAX_VAL 0xFFFF
+
 enum ulas_endianess {
   ULAS_BE,
   ULAS_LE
diff --git a/src/uldas.c b/src/uldas.c
index c5b17c2..4ca3533 100644
--- a/src/uldas.c
+++ b/src/uldas.c
@@ -67,7 +67,7 @@ int ulas_dasm_instr_check(FILE *src, FILE *dst, const struct ulas_instr *instr,
   int bi = 0; // current buffer index
   // test all instruction's contents
   for (i = 0; instr->data[i]; i++) {
-    int dat = instr->data[i];
+    unsigned int dat = instr->data[i] & ULAS_INSTRDATMAX_VAL;
     if (dat == ULAS_DATZERO) {
       dat = 0;
     }
-- 
2.30.2