3 ; This multiplication routine is similar to the one
4 ; from Rodnay Zaks, "Programming the Z80".
6 ; Now replaced by a builtin for code generation, but
7 ; still called from some asm files in this directory.
19 jr nc, muluchar_rrx_s_noadd
22 djnz muluchar_rrx_s_loop
25 ; operands have different sign
47 ;; Originally from GBDK by Pascal Felber.
59 ;; Need to sign extend before going in.