ref: 461cca7fa3f4225b2aa9bbba5c4690cd90fa7513
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_8, /* class register for B, C, D, E, H, L and A */ }; extern int r8(int reg);