Re: A83: Re: Re: Re: Joe Wingerbermuhle?
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Re: A83: Re: Re: Re: Joe Wingerbermuhle?
While we're on the optimization craze...
btw, you're program really needs help if you need to optimize a string
finder for speed...
; input: hl->strings, b=string
; output: hl->string(b)
getString:
xor a
ld c,a
or b
ret z
getStringL1:
push bc
cpir
pop bc
djnz getStringL1
ret
Joe Wingbermuehle
http://www.usmo.com/~joewing/
-----Original Message-----
From: David Phillips <electrum@tfs.net>
To: assembly-83@lists.ticalc.org <assembly-83@lists.ticalc.org>
Date: Saturday, November 07, 1998 9:24 PM
Subject: Re: A83: Re: Re: Re: Joe Wingerbermuhle?
>
>Yeah, probably do. But I'm getting good at writting small and fast z80
>assembler. Incidentally, SCaBBy showed me how to make the routine even
>faster/smaller.
>
>-----Original Message-----
>From: Master M <benjamin99@juno.com>
>To: assembly-83@lists.ticalc.org <assembly-83@lists.ticalc.org>
>Date: Saturday, November 07, 1998 9:09 PM
>Subject: Re: A83: Re: Re: Re: Joe Wingerbermuhle?
>
>
>>
>>You have _way_ too much time on your hands
>>
>>On Fri, 6 Nov 1998 23:28:34 -0600 "David Phillips" <electrum@tfs.net>
>>writes:
>>>
>>>But they _are_ the same size, 13 bytes each. :)
>>>
>>>The only difference is that mine destroys DE, but that's not bad for
>>>saving
>>>21 t-states per loop iteration...
>>>
>>>-----Original Message-----
>>>From: Joe Wingbermuehle <joewing@usmo.com>
>>>To: assembly-83@lists.ticalc.org <assembly-83@lists.ticalc.org>
>>>Date: Friday, November 06, 1998 3:40 PM
>>>Subject: A83: Re: Re: Joe Wingerbermuhle?
>>>
>>>
>>>>
>>>>True, but I was writing the code to be small (so what else is new
>>>hehe).
>>>
>>>>
>>>>> Bytes: T-States:
>>>>>=======================================================
>>>>>Original routine: | 13 | 62 (23)
>>>>>Preloaded byte counter: | 14 | 59 (30)
>>>>>Preloaded byte counter w/o reload: | 13 | 55 (30)
>>>>>Saved counters w/ registers: | 14 | 46 (30)
>>>>>Final routine: | 13 | 41 (30)
>>>
>>>
>>>
>>
>><<<<<<<<<<<<<<<<<<<<<<<<<+>>>>>>>>>>>>>>>>>>>>>>>>>
>> See ya,
>> Mastermind
>>
>> http://www.bigfoot.com/~mastermind5
>>
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>