fix compiler exp

bbrk24 · Nov 20, 2023 · 395b8ed · 395b8ed
1 parent c806033
commit 395b8ed
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Showing 3 changed files with 6 additions and 1 deletion.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to this project will be documented in this file. See [Keep a
 
 ## Unreleased
 
+### Fixed
+
+- The EXP opcode now behaves consistently between the interpreter and the C compiler.
+
 ### Added
 
 - You can now customize the colors of the threads in the online debugger.

diff --git a/src/compiler.cpp b/src/compiler.cpp
@@ -143,7 +143,7 @@ void compiler::get_c_code(const instruction& i, std::ostream& os, bool assume_as
             cerr << "Nondeterministic instructions are not yet supported for compiled programs." << endl;
             exit(EXIT_FAILURE);
         case op::EXP:
-            os << "lws_push(stack, 1 << lws_pop(stack));";
+            os << "lws_push(stack, 1 << (lws_pop(stack) + 8) >> 8);";
             return;
         case op::SWP:
             os << "{"

diff --git a/tests/compiler/exp b/tests/compiler/exp
@@ -0,0 +1 @@
+../cli/exp