[Coco] Re: [Color Computer] DSK images to coco

David golgotha at toughguy.net
Mon May 2 05:29:23 EDT 2005


That being the case, if the read was a critical read, couldn't one 
simply read the data more than one time and compare the results? may be 
as slow as my grandma, but it's a double-check...

- David

Arthur Flexser wrote:

>Actually, verify is only used under RSDOS for writing, not reading, if the
>VERIFY ON command has been issued.  
>
>Art
>
>
>On Sun, 1 May 2005 jdaggett at gate.net wrote:
>
>  
>
>>Correct in that you can poke the RSBASIC to read a 512 byte sector 
>>but in doing that you can not verify what you read. 
>>
>>It would have been so nice to have had basic allocate two 256 byte 
>>buffers for read/write and another two 256 byte buffers for verify. 
>>
>>james
>>
>>
>>On 1 May 2005 at 12:29, John E. Malmberg wrote:
>>
>>To:             	coco at maltedmedia.com
>>From:           	"John E. Malmberg" <wb8tyw at qsl.net>
>>Date sent:      	Sun, 01 May 2005 12:29:06 -0400
>>Subject:        	[Coco] Re: [Color Computer] DSK images to 
>>coco
>>Send reply to:  	CoCoList for Color Computer Enthusiasts 
>><coco at maltedmedia.com>
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>>request at maltedmedia.com?subject=unsubscribe>
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>>request at maltedmedia.com?subject=subscribe>
>>
>>    
>>
>>>On the other hand, I have discovered that the COCO under ROM BASIC and
>>>read and write the first 256 bytes of the 512 byte sectored media.
>>>Actually it can read and write the full 512 bytes if you use peeks and
>>>pokes.  The upper 256 bytes are in the read/write verify buffer.
>>>      
>>>
>>
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>>    
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