[Coco] OS-9 coco2b lowercase

Retro Canada retrocanada76 at gmail.com
Sat Oct 20 09:37:39 EDT 2012


character rom patterns are not accessibke right?

Sent from my iPhone

On 2012-10-20, at 5:09 AM, Arthur Flexser <flexser at fiu.edu> wrote:

> I think he was asking if there's a SOFTWARE test for the presence of
> true lowercase on a CoCo 2, which might be needed if you didn't want
> your software to attempt to throw the CoCo it was running on into true
> lowercase mode unless the CoCo had that ability.  (If the CoCo didn't,
> the attempt to throw it into true lowercase would result in a bunch of
> colorful but undecipherable Semigraphics-6 globs.  Semigraphics-6 was
> so useless that nobody missed it when it was replaced by true
> lowercase mode on the CoCo 2B and CoCo 3.)
> 
> If the presence of Color Basic 1.3 isn't a reliable test, I don't
> think one is possible.
> 
> Art
> 
> On Sat, Oct 20, 2012 at 3:08 AM, chris <cralt at comcast.net> wrote:
>> The simplest way to see if you have a lowecase CC2 is to just press 0(zero).
>> If it has a slash then it does lowercase.
>> 
>> You could also boot the os9 l1 image from  http://www.nitros9.org/latest/
>> for the coco2b with out patching.
>> 
>> Here is a crappy cellphone pic of the coco2b image:
>> http://cralt.com/nos9_coco2b.jpg
>> 
>> CB 1.3 IS needed for cc2's with 2 ram chips but it doesn't mean it will have
>> lowercase. I have a few CC2's with CB1.3, 16K, no lower case, and no ECB.
>> They have the "Radio Shack" name plate.
>> 
>> My 2 lowercase CC2's are both 64K ECB machines with the newer TANDY name
>> plate. Both PN 26-3127B
>> 
>> 
>> -chris
>> 
>> 
>> 
>> 
>> 
>> On Oct 19, 2012, at 11:14 AM, Boisy G. Pitre wrote:
>> 
>>> I believe it is.  Color BASIC 1.3 was created to accommodate the detection
>>> of 64K with the new 4464 DRAM chips.
>>> 
>>> On Oct 19, 2012, at 10:03 AM, Retro Canada <retrocanada76 at gmail.com>
>>> wrote:
>>> 
>>>> well it has color basic 1.3. Is it a good indicator ?
>>>> 
>>>> On Fri, Oct 19, 2012 at 10:57 AM, L. Curtis Boyle
>>>> <curtisboyle at sasktel.net> wrote:
>>>>> 
>>>>> POKE 65314,80 give full green background as well as lowercase (no black
>>>>> border). The print vector in BASIC will normally change this back on you,
>>>>> though, when you return to the OK prompt. If you are running OS-9/NitrOS9,
>>>>> you should be able to patch the VDG driver to keep this mode on at all times
>>>>> as well (somebody did do that way back for OS-9 Level 1, version 2.x, from
>>>>> what I remember).
>>>>> 
>>>>> 
>>>>> On Oct 19, 2012, at 8:35 AM, Sean James wrote:
>>>>> 
>>>>>> Retro Canada <retrocanada76 at ...> writes:
>>>>>> 
>>>>>>> 
>>>>>>> Hi,
>>>>>>> 
>>>>>>> Is there any tool or command to activate the lowercase for coco2b ? I
>>>>>>> can make a basic09 command, but I don't want to reinvent the wheel.
>>>>>>> 
>>>>>>> Also, is there a way to detect by software a coco2b ?
>>>>>>> 
>>>>>>> Thxs,
>>>>>>> 
>>>>>>> Felipe
>>>>>>> 
>>>>>> 
>>>>>> Poke 65314,16 works on my Korean CoCo II to turn on lower case letters.
>>>>>> As far as detecting the VDP, I don't know.
>>>>>> 
>>>>>> 
>>>>>> --
>>>>>> Coco mailing list
>>>>>> Coco at maltedmedia.com
>>>>>> http://five.pairlist.net/mailman/listinfo/coco
>>>>>> 
>>>>> 
>>>>> 
>>>>> --
>>>>> Coco mailing list
>>>>> Coco at maltedmedia.com
>>>>> http://five.pairlist.net/mailman/listinfo/coco
>>>> 
>>>> 
>>>> 
>>>> 
>>>> --
>>>> Panasonic FSA1-WSX
>>>> Commodore 64
>>>> Commodore 64C
>>>> Commodore 128
>>>> Apple //c
>>>> TRS-Color Computer 3
>>>> TI-99/4A
>>>> ..and more coming!
>>>> 
>>>> --
>>>> Coco mailing list
>>>> Coco at maltedmedia.com
>>>> http://five.pairlist.net/mailman/listinfo/coco
>>> 
>>> 
>>> 
>>> --
>>> Coco mailing list
>>> Coco at maltedmedia.com
>>> http://five.pairlist.net/mailman/listinfo/coco
>> 
>> 
>> 
>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> http://five.pairlist.net/mailman/listinfo/coco
> 
> --
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco



More information about the Coco mailing list