add signed division IDIV

1 files changed, 8 insertions, 3 deletions

diff --git a/creole.h b/creole.h
index ba10dda..0e84a72 100644
--- a/creole.h
+++ b/creole.h
@@ -7,11 +7,14 @@
 #ifndef CREOLE_WORD
 # define CREOLE_WORD unsigned int
 # define CREOLE_WORD_MAX UINT_MAX
+# define CREOLE_SIGNED_WORD int
+# define CREOLE_SIGNED_MAX INT_MAX
 #endif
 
 #define CREOLE_MAX_ARG 3
 
 typedef CREOLE_WORD creole_word;
+typedef CREOLE_SIGNED_WORD creole_signed;
 
 enum creole_opcode {
 	CREOLE_NOOP = 0,
@@ -20,9 +23,10 @@ enum creole_opcode {
 	CREOLE_ADD = 3,
 	CREOLE_MUL = 4,
 	CREOLE_DIV = 5,
-	CREOLE_JL = 6,
-	CREOLE_CLB = 7,
-	CREOLE_SYS = 8,
+	CREOLE_IDIV = 6,
+	CREOLE_JL = 7,
+	CREOLE_CLB = 8,
+	CREOLE_SYS = 9,
 	CREOLE_OPCODE_LEN
 };
 
@@ -56,6 +60,7 @@ enum creole_run_ret {
 	CREOLE_RUN_LABEL_OVERFLOW,
 	CREOLE_REGISTER_OVERFLOW,
 	CREOLE_STEP_UNKNOWN_OPCODE,
+	CREOLE_DIV_BY_ZERO,
 	CREOLE_RUN_RET_LEN
 };