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Jones in the Fast Lane

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Title Screen

Jones in the Fast Lane

Developer: Sierra On-Line
Publisher: Sierra On-Line
Platforms: DOS
Released in US: September 1990


DebugIcon.png This game has debugging material.


Jones in the Fast Line is a fun little board game from Sierra.

Internal Debug

Jones in the Fast Lane-Internal Debug.png

In one of the very rare instances of an SCI1 game having its internal debugger intact, the player can access the debugger in most versions of the game by holding down both Shift keys and pressing the - key on the numpad. To exit this mode, press Shift and D.

Key(s) Action
Q Quit
B Set Breakpoint.
O Show objects in heap.
Shift + O Show objects with address.
A Inspect ID in accumulator.
C Inspect Current Set of Objects

Press C to see all of the object within that
set. Press I to inspect the selector.
Press E to edit that selector.

I Inspect Object/Memory - The player can

also press Up/Down to go up/down through
the memory by 16 bytes and Left/Right
to go up/down the memory by 2 bytes.

F Show Free Heap.
S Show sends.
G Change Global Variable.
L Change Local Variable.
T Change Temporary Variable.
Enter Single Step through Script.
Tab Step across Send.
C Show objects in heap.
R Show resources loaded.
Shift + S Shock stack usage.
Shift + / Show an incomplete list of shortcuts.


(Source: HWM, ScummVM Wiki)