Difference between revisions of "SCUMM/V6 opcodes"

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4 bytes removed ,  03:06, 23 January 2011
m
behaviour -> behavior
m (colour -> color)
m (behaviour -> behavior)
 
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Performs a division operation on the stack. Note the order.
Performs a division operation on the stack. Note the order.


An attempt to divide by zero will cause undefined behaviour, and may cause the interpreter to crash.
An attempt to divide by zero will cause undefined behavior, and may cause the interpreter to crash.


==MM 83 doSentence==
==MM 83 doSentence==
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If value is any of arg1 .. argn , bool := 1, otherwise bool := 0
If value is any of arg1 .. argn , bool := 1, otherwise bool := 0


Tests to see if value is equal to any of the passed in arguments. If n is less than the number of entries on the stack, undefined behaviour will result.
Tests to see if value is equal to any of the passed in arguments. If n is less than the number of entries on the stack, undefined behavior will result.


==MM 98 isSoundRunning==
==MM 98 isSoundRunning==
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value := arg[index]
value := arg[index]


Returns the index th argument on the stack. If n is less than the number of entries on the stack or index is out of range, undefined behaviour will result, usually involving the interpreter shutting down.
Returns the index th argument on the stack. If n is less than the number of entries on the stack or index is out of range, undefined behavior will result, usually involving the interpreter shutting down.


==pickOneOfDefault==
==pickOneOfDefault==
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If index is in the range 0.. n , value  :=  arg[index] ; otherwise value  :=  default .
If index is in the range 0.. n , value  :=  arg[index] ; otherwise value  :=  default .


Returns the index th argument on the stack. If index is out of range, default is returned instead. If n is less than the number of entries on the stack, undefined behaviour will result, usually involving the interpreter shutting down.
Returns the index th argument on the stack. If index is out of range, default is returned instead. If n is less than the number of entries on the stack, undefined behavior will result, usually involving the interpreter shutting down.


==MM 84 pickupObject==
==MM 84 pickupObject==
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