ref: e03e4140667f946d8f849adfb330a058008d331c dir: /as/target/x86/rules.dat/
^reg8 AREG8 ^reg16 AREG16 ^imm8 AIMM8 ^imm16 AIMM16 ^imm32 AIMM32 ^imm64 AIMM64 ^\(n\) ADIRECT ^sym ASYM ^string ASTR