[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)

[Bob Devries]

The Projector-3 programme sets the drives to doublesided in the BOOT.BAS 
programme:

0 'PROJECTOR-3 BOOT (DECB 2.1)
20 '
30 POKE55453,1
40 POKE55454,2
50 POKE55455,65
60 POKE55456,66
70 RT=0:SR=20
80 POKE55232,RT:POKE55318,SR
90 LOADM"P3"


--
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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