Editing VSMX
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= Description = | =Description= | ||
Virtual Script Machine Instructions (VSMX) | Virtual Script Machine Instructions (VSMX) file | ||
* | Used on: | ||
*[[Rich_Appearance_Format_(RAF)|RAF file]] (and so, on [[Coldboot.raf]]) | |||
*some PSP rco | |||
History: | |||
*http://endlessparadigm.com/forum/showthread.php?tid=21485 | |||
<pre> | |||
Rcomage does also have a VSMX decompile option (rcomage vsmxdec --decompile) | |||
but it's very buggy and usually doesn't work right (Try hex editing the version? (at 0x4) | |||
from 0x20000 to 0x10000.). | |||
</pre> | |||
= | =File Layout= | ||
(section naming need to be wikifyed): | |||
<pre> | |||
VSMX header | |||
Compiled code/instructions | |||
Data/String constants | |||
(method) name table/Object property | |||
global symbols/Variable/function names | |||
</pre> | |||
= Header = | |||
{| class="wikitable" style="text-align: center;" | |||
{| class="wikitable" | |||
|- | |- | ||
| style="background-color:#56534D58; color:#000FFF;" |'''Offset''' | |||
| style="background-color:#56534D58; color:#000FFF;" |'''Size''' | |||
| style="background-color:#56534D58; color:#000FFF;" |'''Example (h)''' | |||
| style="background-color:#56534D58; color:#000FFF;" |'''Value (conversion)''' | |||
| style="background-color:#56534D58; color:#000FFF;" |'''Notes''' | |||
|- | |- | ||
| 0x00 || 0x04 || 0x56534D58 || "VSMX" || Magic | |||
|- | |- | ||
| | | 0x04 || 0x04 || 0x00000200 || 0002.0000 || Version? | ||
*v1.0 on PSP RCO RCOs (from video/music UMDs and two lftv RCOs in the PSP's flash0/vsh/ressource/.)? | |||
*V2.0 on PS3 PSJS (.jsx) | |||
|- | |- | ||
| | | 0x08 || 0x04 || 0x34000000 || 0x34 (52) || header length | ||
|- | |- | ||
| 0x0C || 0x04 || - || || length of compiled code/instructions section | |||
|- | |- | ||
| | | 0x10 || 0x04 || - || || offset of data section | ||
|- | |- | ||
| | | 0x14 || 0x04 || - || || length of data | ||
|- | |- | ||
| | | 0x18 || 0x04 || - || || number of data(seen: 1 or 2) | ||
|- | |- | ||
| | | 0x1C || 0x04 || - || || offset of name table | ||
|- | |- | ||
| | | 0x20 || 0x04 || - || || length of name | ||
|- | |- | ||
| | | 0x24 || 0x04 || - || || number of name | ||
|- | |- | ||
| | | 0x28 || 0x04 || - || || offset of global symbols | ||
|- | |- | ||
| | | 0x2C || 0x04 || - || || length of global symbols | ||
|- | |- | ||
| | | 0x30 || 0x04 || - || || number of global symbols | ||
|- | |- | ||
| | |} | ||
= Compiled instructions = | |||
*Instructions length: 8 bytes | |||
Instructions format should be wikifyed. | |||
{| class="wikitable sortable" | |||
|- | |- | ||
! '''ByteCode (short)''' | |||
! '''Instruction Name''' | |||
! '''Note1''' | |||
! '''Note2''' | |||
|- | |- | ||
| | | 0x00 || NOP || - || - | ||
|- | |- | ||
| | | 0x01 || ASSGN || - || - | ||
|- | |- | ||
| | | 0x02 || ADD || - || - | ||
|- | |- | ||
| | | 0x03 || SUB || - || - | ||
|- | |- | ||
| | | 0x04 || MUL || - || - | ||
|- | |- | ||
| | | 0x05 || DIV || - || - | ||
|- | |- | ||
| | | 0x06 || MOD || - || - | ||
|- | |- | ||
| | | 0x07 || TO_NUMBER || - || - | ||
|- | |- | ||
| | | 0x08 || CSIGN || - || - | ||
|- | |- | ||
| 0x09 || NOT || - || - | |||
|- | |- | ||
| | | 0x0A || INC || - || - | ||
|- | |- | ||
| | | 0x0B || DEC || - || - | ||
|- | |- | ||
| | | 0x0C || POST_INC || - || - | ||
|- | |- | ||
| 0x0D || POST_DEC || - || - | |||
|- | |- | ||
| | | 0x0E || CMPEQ || Compare Operators || - | ||
|- | |- | ||
| | | 0x0F || CMPNEQ || Compare Operators || - | ||
|- | |- | ||
| | | 0x10 || CMPSEQ || Compare Operators || - | ||
|- | |- | ||
| | | 0x11 || CMPSNEQ || Compare Operators || - | ||
|- | |- | ||
| | | 0x12 || CMPLT || Compare Operators || - | ||
|- | |- | ||
| | | 0x13 || CMPLE || Compare Operators || - | ||
|- | |- | ||
| 0x14 || CMPGE || Compare Operators || - | |||
|- | |- | ||
| | | 0x15 || CMPGT || Compare Operators || - | ||
|- | |- | ||
| | | 0x16 || INSTANCEOF || - || - | ||
|- | |- | ||
| | | 0x17 || IN || - || - | ||
|- | |- | ||
| | | 0x18 || TYPEOF || - || - | ||
|- | |- | ||
| | | 0x19 || BIT_AND || - || - | ||
|- | |- | ||
| | | 0x1A || BIT_XOR || - || - | ||
|- | |- | ||
| 0x1B || BIT_OR || - || - | |||
|- | |- | ||
| | | 0x1C || BIT_NOT || - || - | ||
|- | |- | ||
| | | 0x1D || LSHIFT || - || - | ||
|- | |- | ||
| | | 0x1E || S_RSHIFT || - || - | ||
|- | |- | ||
| | | 0x1F || U_RSHIFT || - || - | ||
|- | |- | ||
| | | 0x20 || COPY || - || - | ||
|- | |- | ||
| 0x21 || SWAP || - || - | |||
|- | |- | ||
| | | 0x22 || REMOVE || - || - | ||
|- | |- | ||
| | | 0x23 || PUSH_UNDEFINED || - || - | ||
|- | |- | ||
| | | 0x24 || PUSH_NULL || - || - | ||
|- | |- | ||
| | | 0x25 || PUSH_BOOL || - || - | ||
|- | |- | ||
| | | 0x26 || PUSH_INT || - || - | ||
|- | |- | ||
| 0x27 || PUSH_FLOAT || - || - | |||
|- | |- | ||
| | | 0x28 || PUSH_STRING || - || - | ||
|- | |- | ||
| | | 0x29 || PUSH_OBJECT || - || - | ||
|- | |- | ||
| | | 0x2A || PUSH_FUNC || - || - | ||
|- | |- | ||
| 0x2B || PUSH_ARRAY || - || - | |||
|- | |- | ||
| | | 0x2C || PUSH_THIS || - || - | ||
|- | |- | ||
| | | 0x2D || PUSH_LOCAL || - || - | ||
|- | |- | ||
| | | 0x2E || PUSH_GLOBAL || - || - | ||
|- | |- | ||
| 0x2F || GETATTR || - || - | |||
|- | |- | ||
| | | 0x30 || GETATTR_KEEPOBJ || - || - | ||
|- | |- | ||
| | | 0x31 || SETATTR || - || - | ||
|- | |- | ||
| 0x32 || DELATTR || - || - | |||
|- | |- | ||
| | | 0x33 || APPEND_ATTR || - || - | ||
|- | |- | ||
| | | 0x34 || GETITEM || - || - | ||
|- | |- | ||
| | | 0x35 || GETITEM_KEEPOBJ || - || - | ||
|- | |- | ||
| | | 0x36 || SETITEM || - || - | ||
|- | |- | ||
| 0x37 || DELITEM || - || - | |||
|- | |- | ||
| | | 0x38 || APPEND_ITEM || - || - | ||
|- | |- | ||
| 0x39 || JUMP || - || - | |||
|- | |- | ||
| | | 0x3A || JUMPT || - || - | ||
|- | |- | ||
| | | 0x3B || JUMPF || - || - | ||
|- | |- | ||
| 0x3C || CALL_FUNC || - || - | |||
|- | |- | ||
| | | 0x3D || CALL_METHOD || - || - | ||
|- | |- | ||
| | | 0x3E || CALL_CONSTRUCTOR || - || - | ||
|- | |- | ||
| | | 0x3F || RET || - || - | ||
|- | |- | ||
| | | 0x40 || THROW || - || - | ||
|- | |- | ||
| | | 0x41 || TRYBLK_IN || - || - | ||
|- | |- | ||
| | | 0x42 || TRYBLK_OUT || - || - | ||
|- | |- | ||
| | | 0x43 || CATCH_FINALLYBLK_IN || - || - | ||
|- | |- | ||
| | | 0x44 || CATCH_FINALLYBLK_OUT || - || - | ||
|- | |- | ||
| 0x45 || HALT || - || - | |||
|- | |- | ||
| | | 0x46 || DEBUG_FILE || - || - | ||
|- | |- | ||
| | | 0x47 || DEBUG_LINE || - || - | ||
|- | |- | ||
| | | 0x48 || GETITEM_KEEPOBJNAME || - || - | ||
|- | |- | ||
| | | 0x49 || PUSH_VECTOR || - || - | ||
|- | |- | ||
| | | 0x4A || GET_VECTOR_ELEMENT || - || - | ||
|- | |- | ||
| | | 0x4B || GET_VECTOR_ELEMENT_KEEPVECTOR || - || - | ||
|- | |- | ||
| | | 0x4C || ASSGN_VECTOR_ELEMENT || - || - | ||
|- | |- | ||
| | | 0x4D || SETATTR_VECTOR_ELEMENT || - || - | ||
|- | |- | ||
| | | 0x4E || SETITEM_VECTOR_ELEMENT || - || - | ||
|- | |- | ||
|} | |} | ||
== | == '''C'''o'''mp'''are Operators == | ||
May be move later to [[PlayStation_JavaScript]] or make it as template | |||
Comparison and Logical operators are used to test for true or false. | Comparison and Logical operators are used to test for true or false. | ||
*http://www.w3schools.com/js/js_comparisons.asp | *http://www.w3schools.com/js/js_comparisons.asp | ||
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{| class="wikitable sortable" | {| class="wikitable sortable" | ||
|- | |- | ||
! | ! Compare For: | ||
! | ! Operators | ||
! Syntax ( | ! Bytecode ([[PlayStation_JavaScript|PSJS]]) | ||
! Syntax (JS) | |||
|- | |- | ||
| | | Equality || cmpeq || 0x0E || == | ||
|- | |- | ||
| | | Strict Equal value and equal type || cmpseq || 0x10 || === | ||
|- | |- | ||
| | | Inequality || cmpneq || 0x0F || != | ||
|- | |- | ||
| Strict not equal value or not equal type || cmpsneq || 0x11 || !== | |||
|- | |- | ||
| | | Greater Than || cmpgt || 0x15 || > | ||
|- | |- | ||
| | | Greater Than or Equal To || cmpge || 0x14 || >= | ||
|- | |- | ||
| | | Less Than || cmplt || 0x12 || < | ||
|- | |- | ||
| | | Less Than or Equal To || cmple || 0x13 || <= | ||
|- | |- | ||
|} | |} | ||
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*http://es5.github.io/#x11.9.6 The Strict Equality Comparison Algorithm | *http://es5.github.io/#x11.9.6 The Strict Equality Comparison Algorithm | ||
{{File Formats}}<noinclude>[[Category:Main]]</noinclude> | {{File Formats}}<noinclude>[[Category:Main]]</noinclude> |