[Coco] CoCo 3 Projector 3 Blues: The program only gives errorsto drive numbers higher than 1 (reposted because ofpossible size violation of previous message)

[RJLCyberPunk]

OH yeah, sorry is kind of late here (well over 2:00 AM)  I will modifiy the 
program so it just gives you the option to go doubleside or not just a 
nested loop with an inkey% function shall suffice, thanks...


----- Original Message ----- 
From: "Bob Devries" <devries.bob at gmail.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Saturday, January 16, 2010 1:54 AM
Subject: Re: [Coco] CoCo 3 Projector 3 Blues: The program only gives 
errorsto drive numbers higher than 1 (reposted because ofpossible size 
violation of previous message)


> Actually the disk drive select bytes are in FD502.DLL, and they are $01 
> $02 $04 $40, which indicates 4 single-sided drives.
>
> When the BOOT.BAS programme pokes the values, it messes up the drive 
> table, and stops Vcc from working correctly.
>
> If you REM lines 30, 40, 50 and 60, it may work.
>
> --
> Besides a mathematical inclination, an exceptionally good mastery of one's 
> native tongue is the most vital asset of a competent programmer.
>
> Edsger W.Dijkstra, 18 June 1975
>
> ----- Original Message ----- 
> From: "Robert Gault" <robert.gault at worldnet.att.net>
> To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
> Sent: Saturday, January 16, 2010 3:52 PM
> Subject: Re: [Coco] CoCo 3 Projector 3 Blues: The program only gives 
> errors to drive numbers higher than 1 (reposted because of possible size 
> violation of previous message)
>
>
>> RJLCyberPunk wrote:
>>> For some reason the program always gives an error message when on tries 
>>> to read any drives higher than 0 or 1 all other drive numbers 2 and 3 
>>> return error messages regardless of what disk image might be in it, yes 
>>> I'm running it on VCC.
>>>
>>
>> No problems at this end. What DOS is running in VCC? It is possible that 
>> RGBDOS may have altered values for the drive table and have
>> 01 02 41 42 instead of 01 02 04 40. Look for these values in 
>> harddisk.dll.
>>
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