ref: a8d4f208d8e94b207c1625fa0008a9f247635dd2
dir: /src/cmd/as/target/x80/rules.dat/
imm8 AIMM8 imm16 AIMM16 imm32 AIMM32 imm64 AIMM64 imm3 AIMM3 rst ARST \(IY\+n\) AINDEX_IY \(IX\+n\) AINDEX_IX ss AREG_SSCLASS cc AREG_CCCLASS dd AREG_DDCLASS qq AREG_QQCLASS rr AREG_RRCLASS pp AREG_PPCLASS p AREG_PCLASS q AREG_QCLASS r AREG_RCLASS R AREG_R \(DE\) AINDER_DE \(BC\) AINDER_BC \(HL\) AINDER_HL \(SP\) AINDER_SP \(C\) AINDER_C \(IX\) AINDER_IX \(IY\) AINDER_IY SP AREG_SP HL AREG_HL DE AREG_DE IX AREG_IX IY AREG_IY AF' AREG_AF_ AF AREG_AF A AREG_A F AREG_F \(n\) ADIRECT I AREG_I 0 AZERO sym ASYM string ASTR