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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_M24, 24bit unsigned multiplication
GN_Pdn, write number as decimal ASCII string
FP_ Floating point arithmetic
Binding
OS_Mgb, get old bank binding
OS_Mpb, set (put) new bank binding
OS_Fc, fast code (bank binding)
OZ_Mgb, get old bank binding (ultra fast routine in LOWRAM, OZ V4.1 and newer)
OZ_Mpb, set new bank binding (ultra fast routine in LOWRAM, OZ V4.1 and newer)
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