Hi Rob,
I've been optimizing the generated code the last few days, there's not much of
Matt's left... But the compiled size is in most cases significantly smaller
(like 1100 words less) and in some cases quite a bit faster (running a test
program in 66% of the time).
Now I was thinking about the lot of comments and nearly-static parts of the
code, which is now duplicated in my script. Bash is not very good in outputting
nearly-identical text to several files, so your suggestion to use another
language is very much appreciated! :-)
If anyone's interested, this is how the "address decoding" works now:
-- get a value from a large byte array
function large_array_1'get(word in address) return byte is
var byte data
if LARGE_ARRAY_1_SIZE > 1792 then
if address >= 1792 then
data = _large_array_1_byte_8h[address - 1792]
elsif address >= 1536 then
data = _large_array_1_byte_7h[address - 1536]
elsif address >=...
This is what it looks like now:
-- get a value from a large byte array
function large_array_1'get(word in address) return byte is
var byte data
var byte address_lo at address+0
var byte address_hi at address+1
if LARGE_ARRAY_1_SIZE > 1792 then
case address_hi of
07 : data = _large_array_1_byte_08_08[address_lo]
06 : data = _large_array_1_byte_07_08[address_lo]
05 : data = _large_array_1_byte_06_08[address_lo]
...
This example is from the byte/PIC16 library, which is the easiest to do.
Especially the PIC14 libraries with 80-byte arrays are not that easy to decode,
but using a case statement instead of a chain of elsif's justifies the address
calculations.
Greets,Kiste
Am Sonntag, 13. Dezember 2020, 16:23:09 MEZ hat Rob Hamerling
<[email protected]> Folgendes geschrieben:
Hello Kiste
On 09/12/2020 15.29, 'Oliver Seitz' via jallib wrote:
Attached you'll find a bash script which generates the large_array libs,
including the output files adjusted to cover the so-far largest RAM space in a
single array.
Nice feature!
Since bash is not particularly cross-platform, it would be nice to translate
it to Python. I believe there exist 'bash-to-python' scripts which might do the
job.
Regards, Rob.
--
Rob Hamerling, Vianen, NL
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