Re: [Amforth] buffer:

[Jan K. <jan...@ic...>]

Dank je wel Martin,

Some questions.

How to do this when I wont to place it in FLASH.

How to write and acces RAM?

How to write and acces in FLASH?

Met vriendelijke groet,

Jan

> Op 6 dec. 2018, om 20:20 heeft Martin Bitter <mar...@t-...> het volgende geschreven:
> 
> Am Donnerstag, 6. Dezember 2018, 20:06:45 CET schrieb Jan Kromhout via 
> Amforth-devel:
> 
> Maybe this helps: 
> 
> Variable buffer 1024 allot 
> 
> This gives a buffer in RAM 
> 
> Or do you need it in FLASH?
> 
> tot ziens
> 
> Martin
> 
> 
> 
>> Thanks Martin,
>> 
>> What I wont is a buffer of 1024 bytes.
>> 
>> Is that posible in amForth?
>> 
>> Cheers,
>> 
>> Jan
>> 
>>> Op 6 dec. 2018, om 20:03 heeft Martin Bitter <martin.bitter@t-
> online.de>
>>> het volgende geschreven:
>>> 
>>> Daag Jan,
>>> 
>>> see below ...
>>> 
>>> Hope it helps!
>>> 
>>> Regards Martin
>>> 
>>> BTW You'r marching through 1009 * 16  words in memory - is that what 
> you
>>> want?
>>> 
>>> Am Donnerstag, 6. Dezember 2018, 19:46:33 CET schrieb Jan 
> Kromhout via
>>> 
>>> Amforth-devel:
>>>> Hello,
>>>> 
>>>> I have make a buffer, after loading the program I aspect that all
>>> 
>>> locations
>>> 
>>>> will be zero. When take a look there are some places with values!
>>>> 
>>>> **** /Users/jankromhout/Documents/amforth-6.7/tools
>>>> (ATmega328P)> clearBuffer
>>>> ok
>>>> (ATmega328P)> .Buffer
>>>> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>>>> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>>>> 0 0 0 0 0 0 12288 56 0 0 0 0 0 0 0 0
>>>> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>>>> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>>>> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>>>> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>>>> 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
>>>> 
>>>> After clearing the locations there will be values on some locations.
>>>> 
>>>> What do I wrong?
>>>> 
>>>> Cheers,
>>>> 
>>>> Jan
>>>> 
>>>> 
>>>> 
>>>> marker --SSD1306--
>>>> 
>>>> 
>>>> \ size of display for memory buffer
>>>> 128 constant SSD1306_LCDWIDTH
>>>> 64  constant SSD1306_LCDHEIGHT
>>>> 
>>>> SSD1306_LCDHEIGHT SSD1306_LCDWIDTH * 8 / constant BUFFERSIZE
>>>> 
>>>> BUFFERSIZE 2 * buffer: buffer
>>>> 
>>>> : buffer!
>>>> 
>>>> buffer + !
>>>> ;
>>>> 
>>>> : buffer@
>>>> 
>>>> buffer + @
>>>> ;
>>>> 
>>>> \ display buffer inhoud
>>>> 
>>>> : .Buffer
>>>> 
>>>> [ 1024 15 - ] literal 0 do
>>> 
>>> [ buffersize 2 * 16 / ] literal 0 do
>>> 
>>>> 16 0 do
>>>> j i + buffer@ .
>>> 
>>> J 16 * i + buffer@
>>> 
>>>> loop
>>>> cr
>>>> 16 +loop
>>>> ;
>>>> 
>>>> : clearBuffer
>>>> 
>>>> 1024 0 do
>>>> 
>>>>   0 i buffer!
>>>> 
>>>> loop
>>>> 
>>>> ;
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> 
> 
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