Z88 Developers' Notes
Contents   Contents of System Calls

GN_M24, 24bit unsigned multiplication

RST 20H, DEFW $7609

IN: 

     BHL = multiplicand
     CDE = multiplier
OUT: 
     Fc = 0
     BHL = product, least significant 24bits - no warning is given of
     overflow.
Registers changed after return: 
     A..CDE../IXIY same
     .FB...HL/.... different
Notes:

Bugs:
 

Related calls:

GN_D16, 16bit unsigned division
GN_D24, 24bit unsigned division
GN_Gdn, convert an ASCII string to a binary number
GN_M16, 16bit unsigned multiplication
GN_Pdn, write number as decimal ASCII string