diff options
Diffstat (limited to 'engines/glk/frotz/processor.h')
| -rw-r--r-- | engines/glk/frotz/processor.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/engines/glk/frotz/processor.h b/engines/glk/frotz/processor.h index 83d24433cf..e992a78100 100644 --- a/engines/glk/frotz/processor.h +++ b/engines/glk/frotz/processor.h @@ -1734,7 +1734,10 @@ public: /** * Return the current program execution offset */ - uint getPC() const { return pcp - zmp; } + uint getPC() const { + assert(pcp); + return pcp - zmp; + } /** * Set the program execution offset |