CogVM source as per VMMaker.oscog-eem.2402
CogVM source as per VMMaker.oscog-eem.2402

BitBltPlugin
The new primitiveDisplayString short cut has exposed an old bug: both
loadBitBltDestForm & loadBitBltSourceForm sent byteSizeOf: to the form bits
before checking if form bits isWordsOrBytes:.  Also simplify loadHalftoneForm
which comntained a superfluous (interpreterProxy isPointers: halftoneForm) not.

OpenSmalltalk/vm,timfel/squeakvm,timfel/squeakvm,OpenSmalltalk/vm,timfel/squeakvm,OpenSmalltalk/vm,timfel/squeakvm,OpenSmalltalk/vm,OpenSmalltalk/vm,OpenSmalltalk/vm,timfel/squeakvm,OpenSmalltalk/vm,timfel/squeakvm,timfel/squeakvm,timfel/squeakvm,OpenSmalltalk/vm