; Fast random number generator using the same method
; as the CDMA used in celullar telephones
--------------------------------------------------------------------
SEED: DW 0
--------------------------------------------------------------------
; init random seed
INIT_SEED:
LD HL,(JIFFY)
LD A,L
OR 1
LD L,A
LD (SEED),HL
RET
--------------------------------------------------------------------
; choose a random number in the set [0,127] with uniform distribution
; return: A = random value
RAND:
PUSH HL
LD HL,(SEED)
ADD HL,HL
SBC A,A
AND 083h
XOR L
LD L,A
LD (SEED),HL
AND 07Fh
POP HL
RET
--
----------------------------------------------------------------
Ricardo Bittencourt http://www.lsi.usp.br/~ricardo
[EMAIL PROTECTED] "Vitrum edere possum, mihi non nocet"
------ Uniao contra o forward - crie suas proprias piadas ------
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