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-rw-r--r--engines/sci/engine/vm.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/engines/sci/engine/vm.cpp b/engines/sci/engine/vm.cpp
index b2807e0c53..3535b278c0 100644
--- a/engines/sci/engine/vm.cpp
+++ b/engines/sci/engine/vm.cpp
@@ -1114,6 +1114,8 @@ void run_vm(EngineState *s) {
case op_rest: // 0x2c (44)
// Pushes all or part of the parameter variable list on the stack
+ // Index 0 is argc, so normally this will be called as &rest 1 to
+ // forward all the arguments.
temp = (uint16) opparams[0]; // First argument
s->r_rest = MAX<int16>(s->xs->argc - temp + 1, 0); // +1 because temp counts the paramcount while argc doesn't