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Re: 6502bench SourceGen disassembler updated [message #388192 is a reply to message #388190]

Thu, 31 October 2019 03:24

Michael J. Mahon
Messages: 1767
Registered: October 2012

Karma:

Senior Member

fadden <thefadden@gmail.com> wrote:
> On Wednesday, October 30, 2019 at 10:17:23 AM UTC-7, awanderin wrote:
>>> fcaa: e9 01 WAIT3 sbc #$01 ;1.0204 usec
> [...]
>>> If we consult Apple II Monitors Peeled page 85, it says the formula is:
>>>
>>> 2.5A**2 + 13.5A + 13 machine cycles of 1.023 microseconds
>
>> The CPU has 64 clock periods of 14 * (1 / 14.318181 MHz) or 0.978µs and
>> one stretched period of 16 * (1 / 14.318181 MHz) or 1.117µs, which gives
>> an average clock period of 0.980µs. That works out to an average clock
>> speed of 1.0205 MHz.
>
> Ah, that explains the number in the comment. Doesn't explain why
> apparently nobody at Apple understood the relationship between MHz and microseconds. :-)
>

That comment has always annoyed me, too. I’ve seen the error quoted
numerous times. It must have mystified or misled countless people.

It’s an example of why design reviews should include comments. ;-)

--
-michael - NadaNet 3.1 and AppleCrate II: http://michaeljmahon.com

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[Message index]

		6502bench SourceGen disassembler updated By: Anonymous on Sun, 04 August 2019 18:15
		6502bench SourceGen disassembler updated By: Antoine Vignau on Mon, 05 August 2019 02:46
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 05 August 2019 10:40
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 05 August 2019 16:31
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 05 August 2019 17:45
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 07 August 2019 05:38
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 07 August 2019 10:50
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 07 August 2019 20:55
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 07 August 2019 20:57
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 09 September 2019 14:25
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 21 September 2019 19:30
		Re: 6502bench SourceGen disassembler updated By: Antoine Vignau on Sun, 22 September 2019 05:34
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 22 September 2019 22:02
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 25 September 2019 16:51
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Fri, 27 September 2019 17:54
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 02 October 2019 03:41
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 02 October 2019 10:58
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 03 October 2019 02:13
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 03 October 2019 10:37
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 05 October 2019 04:20
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 05 October 2019 14:23
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Fri, 27 September 2019 18:04
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 05 October 2019 04:40
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 06 October 2019 04:01
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 06 October 2019 17:12
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 06 October 2019 21:38
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 07 October 2019 20:36
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 07 October 2019 20:53
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 07 October 2019 21:14
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 07 October 2019 21:19
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 07 October 2019 20:58
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 07 October 2019 20:58
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 08 October 2019 16:28
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 08 October 2019 17:01
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 19 October 2019 14:28
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Fri, 25 October 2019 21:32
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 30 October 2019 19:41
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 19 November 2019 17:22
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 07 December 2019 16:22
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 26 December 2019 14:32
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 27 January 2020 17:05
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 27 January 2020 17:08
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 08 February 2020 18:05
		Re: 6502bench SourceGen disassembler updated By: Hugh Hood on Sat, 08 February 2020 20:20
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 09 February 2020 00:55
		Re: 6502bench SourceGen disassembler updated By: Michael AppleWin Debu on Mon, 17 February 2020 10:52
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 17 February 2020 18:38
		Re: 6502bench SourceGen disassembler updated By: Steven Hirsch on Tue, 18 February 2020 08:17
		Re: 6502bench SourceGen disassembler updated By: Michael AppleWin Debu on Tue, 18 February 2020 09:41
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 18 February 2020 11:44
		Re: 6502bench SourceGen disassembler updated By: Michael AppleWin Debu on Tue, 18 February 2020 12:35
		Re: 6502bench SourceGen disassembler updated By: Michael AppleWin Debu on Tue, 18 February 2020 12:45
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 18 February 2020 19:58
		Re: 6502bench SourceGen disassembler updated By: Michael AppleWin Debu on Wed, 19 February 2020 12:06
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 12 March 2020 13:37
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 30 March 2020 20:10
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Fri, 15 May 2020 16:15
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 11 July 2020 20:21
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 11 July 2020 20:48
		Re: 6502bench SourceGen disassembler updated By: TomCh on Mon, 13 July 2020 08:07
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 22 July 2020 14:19
		Re: 6502bench SourceGen disassembler updated By: Antoine Vignau on Wed, 22 July 2020 15:07
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 22 July 2020 20:33
		Re: 6502bench SourceGen disassembler updated By: Antoine Vignau on Thu, 23 July 2020 03:01
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 23 July 2020 10:57
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Fri, 31 July 2020 00:07
		Re: 6502bench SourceGen disassembler updated By: Antoine Vignau on Fri, 31 July 2020 02:54
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 13 August 2020 14:16
		Re: 6502bench SourceGen disassembler updated By: Antoine Vignau on Thu, 13 August 2020 16:28
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 13 August 2020 20:29
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 18 August 2020 11:47
		Re: 6502bench SourceGen disassembler updated By: David Schmidt on Tue, 18 August 2020 17:03
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 23 August 2020 14:25
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 24 September 2020 16:13
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 08 June 2021 17:28
		Re: 6502bench SourceGen disassembler updated By: erolfi on Wed, 09 June 2021 03:39
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 09 June 2021 10:48
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 10 June 2021 18:29
		Re: 6502bench SourceGen disassembler updated By: erolfi on Fri, 18 June 2021 14:00
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 19 June 2021 10:50
		Re: 6502bench SourceGen disassembler updated By: erolfi on Fri, 25 June 2021 02:33
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Fri, 25 June 2021 10:54
		Re: 6502bench SourceGen disassembler updated By: erolfi on Fri, 25 June 2021 02:34
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 16 August 2021 16:12
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 14 November 2021 12:49
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 14 November 2021 13:02
		Re: 6502bench SourceGen disassembler updated By: Steven Hirsch on Sun, 14 November 2021 17:21
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 14 November 2021 18:52
		Re: 6502bench SourceGen disassembler updated By: D Finnigan on Sun, 14 November 2021 23:52
		Re: 6502bench SourceGen disassembler updated By: D Finnigan on Sun, 14 November 2021 23:55
		Re: 6502bench SourceGen disassembler updated By: erolfi on Mon, 15 November 2021 08:16
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 15 November 2021 11:32
		Re: 6502bench SourceGen disassembler updated By: erolfi on Mon, 15 November 2021 11:48
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 30 March 2020 20:28
		Re: 6502bench SourceGen disassembler updated By: Antoine Vignau on Tue, 31 March 2020 07:20
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Fri, 25 October 2019 21:38
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Mon, 28 October 2019 17:55
		Re: 6502bench SourceGen disassembler updated By: Hugh Hood on Mon, 28 October 2019 19:14
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 29 October 2019 01:14
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 29 October 2019 04:37
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 29 October 2019 11:21
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 29 October 2019 22:48
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 30 October 2019 00:39
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 29 October 2019 05:44
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Tue, 29 October 2019 11:33
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 30 October 2019 00:54
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 30 October 2019 13:17
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Wed, 30 October 2019 19:45
		Re: 6502bench SourceGen disassembler updated By: Michael J. Mahon on Thu, 31 October 2019 03:24
		How long will I WAIT? By: Anonymous on Thu, 31 October 2019 12:07
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 20 October 2019 01:47
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 20 October 2019 10:51
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 20 October 2019 15:36
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sun, 20 October 2019 19:43
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Thu, 24 October 2019 21:46
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 26 October 2019 00:54
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 26 October 2019 11:43
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 26 October 2019 15:01
		Re: 6502bench SourceGen disassembler updated By: Anonymous on Sat, 26 October 2019 00:57

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