ref: a50b052c5182c502499380acc3ebaa2cd4aaacbb
dir: /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_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 */
AINDEX_IX,
AINDEX_IY,
AINDER_HL, /* (HL) */
};
extern int rclass(int reg);
extern int pclass(int reg);
extern int qclass(int reg);
extern int ddclass(int reg);
extern int qqclass(int reg);