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multicolour mode....

6 messages · 2013-04-17 → 2013-04-19 · Yahoo Group era · View archive on archive.org

Participants: Luis Alberto D'Ardis, Eduardo Fuentes, Fred

Preserved from the Timex/Sinclair 2068 Yahoo Group (2001–2019), which is no longer online. Text reproduced from the archive.org archive; email addresses masked.

Messages

1. multicolour mode....

Luis Alberto D'Ardis · Wed, 17 Apr 2013 17:24

hi group. i was looking in the inet about, ts2068 tc2068 and tc2048 
multicolour mode.... 8x1

multicolour...... MMmmm.... am i  wrong or i just can use a row?..... i 
mean, I CAN'T set different colors for every pixel in a row?

if i choose a row y just can set paper colour and JUST ONE COLOR FOR THE 
EIGHT PIXELS?

CAN'T SET DIFFERENT COLOUR FOR EVERY PIXEL IN A ROW?

ty ia...

2. Re: [ts2068] multicolour mode....

Eduardo Fuentes · Thu, 18 Apr 2013 06:56

Hi Luis,
See point 5.2.2 at page 120 of TS Technical Manual. Multicolor mode is explained clearly in it.
Basically atributes are managed in a 8x1 pixels groups. Each byte of the primary display file has the pixels and the byte at the same offset in the secondary display file has the attributes.
 
I don't understand what a row means for you, but if we were talking about a 32 bytes row, you have 32 bytes of attributes, each atribute corresponds to a byte in the primary display file.
Colors can't be assigned as per pixel basis in any video mode.
 


________________________________
De: Luis Alberto D'Ardis <[email]>
Para: [email] 
Enviado: miércoles, 17 de abril de 2013 17:24
Asunto: [ts2068] multicolour mode....

  
hi group. i was looking in the inet about, ts2068 tc2068 and tc2048 
multicolour mode.... 8x1

multicolour...... MMmmm.... am i wrong or i just can use a row?..... i 
mean, I CAN'T set different colors for every pixel in a row?

if i choose a row y just can set paper colour and JUST ONE COLOR FOR THE 
EIGHT PIXELS?

CAN'T SET DIFFERENT COLOUR FOR EVERY PIXEL IN A ROW?

ty ia...

3. Re: [ts2068] multicolour mode....

Luis Alberto D'Ardis · Thu, 18 Apr 2013 12:14

Hi Eduardo, thank you for d answer, Yes, that i wanna mean, for example, 
to make a character in a game and putting colour varied, seemingly be 
limited to use groups of 8 bits or 8 pixels, 1 bit per pixel? LETS 
FORGET ABOUT PAPER COLOUR.

how can i draw something decent if I am forced to use a group of 8 
pixels.... AND ALL IN THE SAME COLOUR?

that is the question.

w do you think about it?

thanks and cheers!



Hola Eduardo, gracias por responder, si, eso quiero decir, por ejemplo, 
hacer un personaje en un juego y ponerle color variado, aparentemente 
estaría limitado a usar grupos de 8 bytes o sea 8 pixels, 1 pixel por 
bit? OLVIDEMOS EL COLOR DEL PAPEL.

como puedo dibujar algo decente si me veo obligado a usar un grupo de 8 
pixels..... Y TODOS DEL MISMO COLOR ?

esa es la pregunta.

q piensas al respecto?

gracias y salu2!




El 18/04/13 10:56, Eduardo Fuentes escribió:
> Hi Luis,
> See point 5.2.2 at page 120 of TS Technical Manual. Multicolor mode is 
> explained clearly in it.
> Basically atributes are managed in a 8x1 pixels groups. Each byte of 
> the primary display file has the pixels and the byte at the same 
> offset in the secondary display file has the attributes.
> I don't understand what a row means for you, but if we were talking 
> about a 32 bytes row, you have 32 bytes of attributes, each atribute 
> corresponds to a byte in the primary display file.
> Colors can't be assigned as per pixel basis in any video mode.
>
> *De:* Luis Alberto D'Ardis <[email]>
> *Para:* [email]
> *Enviado:* miércoles, 17 de abril de 2013 17:24
> *Asunto:* [ts2068] multicolour mode....
> hi group. i was looking in the inet about, ts2068 tc2068 and tc2048
> multicolour mode.... 8x1
>
> multicolour...... MMmmm.... am i wrong or i just can use a row?..... i
> mean, I CAN'T set different colors for every pixel in a row?
>
> if i choose a row y just can set paper colour and JUST ONE COLOR FOR THE
> EIGHT PIXELS?
>
> CAN'T SET DIFFERENT COLOUR FOR EVERY PIXEL IN A ROW?
>
> ty ia...
>

4. Re: [ts2068] multicolour mode....

Eduardo Fuentes · Thu, 18 Apr 2013 11:37

You have 2 colors per pixel (1=INK and 0=PAPER) always.
You can't avoid the color clash effect, only minimize it in vertical. You'll have to live with this limitation. 
The only visible difference between multicolor mode and standard mode is that the vertical color resolution is 8 times the color resolution of a standard video mode.
In standard mode, one attribute groups 8 vertical bytes and in multicolor only one.

5. Re: [ts2068] multicolour mode....

Fred · Fri, 19 Apr 2013 07:07

Have a look at Buzzsaw+ for an example - it can look very good indeed!

http://www.worldofspectrum.org/infoseekid.cgi?id=0027057&loadpics=1

Fred

On 19/04/2013, at 1:14, Luis Alberto D'Ardis <[email]> wrote:

> how can i draw something decent if I am forced to use a group of 8 pixels.... AND ALL IN THE SAME COLOUR?
> 
> that is the question.
> 
> w do you think about it?

6. Re: [ts2068] multicolour mode....

Luis Alberto D'Ardis · Fri, 19 Apr 2013 19:57

ok will try, ty to all of u!


El 18/04/13 18:07, Fred escribió:
> Have a look at Buzzsaw+ for an example - it can look very good indeed!
>
> http://www.worldofspectrum.org/infoseekid.cgi?id=0027057&loadpics=1
>
> Fred
>
> On 19/04/2013, at 1:14, Luis Alberto D'Ardis <[email] 
> <mailto:[email]>> wrote:
>
>> how can i draw something decent if I am forced to use a group of 8 
>> pixels.... AND ALL IN THE SAME COLOUR?
>>
>> that is the question.
>>
>> w do you think about it?
>

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TS2068 / TC2068 · ZX Spectrum · Machine code, Z80 & assemblers