Difference between revisions of "SCUMM/V5 opcodes"

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47 bytes added ,  13:36, 28 February 2009
m
Fixed getActorX and getActorY return values, mention something about return = result
(Added a Table of Parameters section; missing complex operations such as expressions, anything with sub-opcodes. Omitted comparisons for now.)
m (Fixed getActorX and getActorY return values, mention something about return = result)
Line 424: Line 424:
* W = word
* W = word
* L = list
* L = list
* J = jump (used by all boolean expressions, comparisons)
* J = jump (used by almost all boolean expressions, comparisons)
* D = delay; 24-bit constant (only used by delay, funnily enough)
* D = delay; 24-bit constant (only used by delay instruction, funnily enough)
* A = ASCII (0-terminated string?); used by "setObjectName"
* A = ASCII (0-terminated string?); used by "setObjectName"
* V|B or V|W = either a variable or a byte/word
* V|B or V|W = either a variable or a byte/word
* None, if it does not take that argument.
* None, if it does not take that argument.
 
If an instruction returns a value, the result pointer follows immediately after the opcode and before any arguments.
{| border="1" style="text-align:center" width=100% cellpadding=2
{| border="1" style="text-align:center" width=100% cellpadding=2
! Instruction
! Instruction
Line 612: Line 614:
|-
|-
|align="left" |getActorX
|align="left" |getActorX
|style="color:silver; background:whitesmoke" |False
|True
|V|W
|V|W
|style="color:silver; background:whitesmoke" |None
|style="color:silver; background:whitesmoke" |None
Line 618: Line 620:
|-
|-
|align="left" |getActorY
|align="left" |getActorY
|style="color:silver; background:whitesmoke" |False
|True
|V|W
|V|W
|style="color:silver; background:whitesmoke" |None
|style="color:silver; background:whitesmoke" |None
126

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