PSL LAP disassembler for x64: add movsx(d) and movzx instructions
PSL: Make movabs instruction known to x&4 LAP disassembler
Commit fasl files for last checkin
PSL on aarch64: implement movk instruction
PSL compiler for x64: implement MOVABS and MOVSX/MOVZX instructions.
Some cosmetic changes in PSL source files: comments, whitespace, linefeeds
Forgot one file in last checkin
New memory model for PSL: