Available assembler/disassembler options: (read/write DAO, read DAS)
01 Disassembler: lowercase output
02 Disassembler: output blank behind comma
04 Disassembler: output addresses in NASM syntax
08 Disassembler: lowercase referenced memory location segreg
10 Disassembler: always show SHORT keyword
20 Disassembler: always show NEAR keyword
40 Disassembler: always show FAR keyword
80 Disassembler: NEC V20 repeat rules (for segregs)
0100 Disassembler: 40-column friendly mode (only 4 bytes machine code per line)
0200 Disassembler: do not indent disassembly operands
0400 Disassembler: MS Debug style opcode field width
1000 Disassembler: access data in a16 referenced memory operand
2000 Disassembler: access data in a32 referenced memory operand
4000 Disassembler: simulate repeated a16 scas/cmps string operation
8000 Disassembler: simulate repeated a32 scas/cmps string operation
01_0000 Disassembler: hide needed MODRM keywords
02_0000 Disassembler: use LOOP rel, (E)CX rather than LOOPW/LOOPD
04_0000 Disassembler: always display MODRM keyword even if not needed
