[Coco] Software offer and Drive Pak solution

[Little John]

William, Data Execute Protection was introduced with the Athlon 64 and most 
subsequent CPU's and Windows XP Service Pack 2 or later. My motherboard has 
a BIOS setting that allows me to turn off Data Execution Prevention, but I 
just go to Control Panel in Windows XP , Performance & Maintenance, 
Advanced, Performance [settings tab], Data Execution Prevention - at which 
point you finally arrive at the point at which you can change the behavior. 
Changing it to Turn on DEP for all programs and services except those I 
select SHOULD allow you to get around a crashing program. I have had to do 
this for some older programs from time to time to get them going on Win XP 
SP2 or later. You really do have to jump through hoops to get to the 
setting.
This sort of thing is why I LOVE LINUX SO MUCH :)

I don't know if the above is relevant or will even help, but considering the 
error you quoted, it is likely the cause.

,----- Original Message ----- 
From: "William Astle" <lost at l-w.ca>
To: <coco at maltedmedia.com>
Sent: Sunday, September 19, 2010 12:30 AM
Subject: Re: [Coco] Software offer and Drive Pak solution


> On 10-09-18 10:21 PM, Roger Taylor wrote:
>> At 04:16 PM 9/18/2010, you wrote:
>>
>>> Allow me to add a shameless plug for lwtools, my own contribution to
>>> the 6x09 assembler world.
>>>
>>> http://lost.l-w.ca/coco/lwtools/
>>>
>>> Open source with a Win32 binary as well. Comes with an assembler and
>>> also supports multi-file assembly and linking using a proprietary
>>> object format (which is also documented). It supports local labels,
>>> macros, 6309 opcodes, and a few other things.
>>>
>>> For the record, I've used mamou and found it to be an excellent
>>> program. It just didn't have all the features I wanted and I kept
>>> managing to get phasing errors. (It's been several years so the
>>> phasing error thing may well be solved.)
>>>
>>> --
>>> William Astle
>>> lost at l-w.ca
>>
>>
>> I forgot to mention, I also tried the syntax lwasm -l file.asm and the
>> console window crashes out before anything is reported from the 
>> assembler.
>> I use Windows 7 64-bit.
>
> "lwasm --help" should give some information on usage.
>
> It should be giving an actual error message if the command syntax is 
> wrong. That means it crashed for some reason.
>
> For the record, I use MinGW on Linux to cross compile the Windows 
> binaries. As such, I don't have a lot of options for testing it.
>
> Hmmm. I see it terminates abnormally under Wine, too. (The "--help" bit 
> works, though.)
>
> Unfortunately, because I don't have any development tools on Windows, I 
> can't actually debug what's going on. It's crashing for some reason with 
> an exception code of 0xC0000005 which Google suggests is caused by "Data 
> Execute Protection" but I have no way of tracing what's going on at the 
> moment.
>
> If anyone want's to take a swipe at debugging it and letting me know what 
> fixes it, you can have your name in the credits :)
>
>
> -- 
> William Astle
> lost at l-w.ca
>
>
> --
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