ref: 3152bc1b312adbd9e7eb6b8313f1739cbfb18c11
dir: /src/cmd/as/target/x80/proc.h/
enum args { AREG_AF = AMAX, AREG_A, AREG_F, AREG_BC, AREG_B, AREG_C, AREG_HL, AREG_H, AREG_L, AREG_DE, AREG_D, AREG_E, AREG_IX, AREG_IXL, AREG_IXH, AREG_IY, AREG_IYL, AREG_IYH, AREG_R, AREG_I, AREG_AF_, AREG_SP, AREG_NZ, AREG_Z, AREG_NC, AREG_PO, AREG_PE, AREG_P, AREG_M, AREG_RCLASS, /* register class for B, C, D, E, H, L and A */ AREG_PCLASS, /* register class for B, C, D, E, IXH, IXL and A */ AREG_QCLASS, /* register class for B, C, D, E, IYH, IYL and A */ AREG_DDCLASS, /* register class for BC, DE, HL and SP */ AREG_QQCLASS, /* register class for BC, DE, HL and AF */ AREG_PPCLASS, /* register class for BC, DE, IX and SP */ AREG_RRCLASS, /* register class for BC, DE, IY and SP */ AREG_SSCLASS, /* flag class for C, NC, Z, NZ */ AREG_CCCLASS, /* flag class for NZ, Z, NC, C, PO, PE, P, M */ AINDEX_IX, /* (IX+d) */ AINDEX_IY, /* (IX+d) */ AINDER_HL, /* (HL) */ AINDER_DE, /* (DE) */ AINDER_BC, /* (BC) */ AINDER_SP, /* (SP) */ AINDER_C, /* (C) */ AINDER_IX, /* (IX) */ AINDER_IY, /* (IY) */ AZERO, /* a literal 0 */ ARST, /* 0h, 08h, 10h, 18h, 20h, 28h, 30h, 38h */ }; enum class { RCLASS = 1 << 0, PCLASS = 1 << 1, QCLASS = 1 << 2, DDCLASS = 1 << 3, QQCLASS = 1 << 4, PPCLASS = 1 << 5, RRCLASS = 1 << 6, CCCLASS = 1 << 7, SSCLASS = 1 << 8, };