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Difference between revisions of "SCI/Specifications/SCI virtual machine/Introduction"
SCI/Specifications/SCI virtual machine/Introduction (view source)
Revision as of 06:05, 7 January 2009
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Classes look similar to objects: | Classes look similar to objects: | ||
*<tt>[00][01]:<tt> Magic number <tt>0x1234</tt> | *<tt>[00][01]:</tt> Magic number <tt>0x1234</tt> | ||
*<tt>[02][03]:<tt> Local variable offset (filled in at run-time) | *<tt>[02][03]:</tt> Local variable offset (filled in at run-time) | ||
*<tt>[04][05]:<tt> Offset of the function selector list, relative to its own position | *<tt>[04][05]:</tt> Offset of the function selector list, relative to its own position | ||
*<tt>[06][07]:<tt> Number of variable selectors (= #vs) | *<tt>[06][07]:</tt> Number of variable selectors (= #vs) | ||
*<tt>[08][09]:<tt> The 'species' selector | *<tt>[08][09]:</tt> The 'species' selector | ||
*<tt>[0a][0b]:<tt> The 'superClass' selector | *<tt>[0a][0b]:</tt> The 'superClass' selector | ||
*<tt>[0c][0d]:<tt> The '-info-' selector | *<tt>[0c][0d]:</tt> The '-info-' selector | ||
*<tt>[0e][0f]:<tt> The 'name' selector (object/class name) | *<tt>[0e][0f]:</tt> The 'name' selector (object/class name) | ||
*<tt>[10].@.@.@:<tt> (#vs-4) more variable selectors | *<tt>[10].@.@.@:</tt> (#vs-4) more variable selectors | ||
*<tt>[08+@ #vs*2][09+@ #vs*2]:<tt> Selector ID of the first varselector (0) | *<tt>[08+@ #vs*2][09+@ #vs*2]:</tt> Selector ID of the first varselector (0) | ||
*<tt>[0a+@ #vs*2].@.@.@:<tt> Selector ID of the second etc. varselectors | *<tt>[0a+@ #vs*2].@.@.@:</tt> Selector ID of the second etc. varselectors | ||
*<tt>[08+@ #vs*4][09+@ #vs*4]:<tt> Number of function selectors (#fs) | *<tt>[08+@ #vs*4][09+@ #vs*4]:</tt> Number of function selectors (#fs) | ||
*<tt>[0a+@ #vs*4].@.@.@:<tt> Function selector code pointers | *<tt>[0a+@ #vs*4].@.@.@:</tt> Function selector code pointers | ||
*<tt>[08+@ #vs*4 +@ #fs*2][09+@ #vs*4 +@ #fs*2]:<tt> 0 | *<tt>[08+@ #vs*4 +@ #fs*2][09+@ #vs*4 +@ #fs*2]:</tt> 0 | ||
*<tt>[0a+@ #vs*4 +@ #fs*2].@.@.@:<tt> Selector ID of the first etc. funcselectors | *<tt>[0a+@ #vs*4 +@ #fs*2].@.@.@:</tt> Selector ID of the first etc. funcselectors | ||
Simply put, they look like objects with each selector section followed by a list of selector IDs. | Simply put, they look like objects with each selector section followed by a list of selector IDs. | ||