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Author Topic: Axe Q&A  (Read 590683 times)

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Offline Runer112

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Re: Axe Q&A
« Reply #465 on: June 15, 2011, 03:37:59 pm »
You don't need a r, the contrast is a 1-byte value. I think it's not appearing to work correctly because the value stored at 0x8447 isn't the value actually sent to the LCD driver. When adjusting the contrast, the value the OS sends to the LCD driver is the byte stored at this address plus 24. So to set a contrast one higher than the current OS contrast, you would do:

Shade({ᴇ8447}+24+1)
« Last Edit: June 15, 2011, 03:40:28 pm by Runer112 »
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Offline Aichi

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Re: Axe Q&A
« Reply #466 on: June 15, 2011, 05:22:10 pm »
Quote from: Runer112 on June 15, 2011, 03:37:59 pm
You don't need a r, the contrast is a 1-byte value. I think it's not appearing to work correctly because the value stored at 0x8447 isn't the value actually sent to the LCD driver. When adjusting the contrast, the value the OS sends to the LCD driver is the byte stored at this address plus 24. So to set a contrast one higher than the current OS contrast, you would do:

Shade({ᴇ8447}+24+1)

Ah, thanks. I was a bit confused. :)
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Offline ralphdspam

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Re: Axe Q&A
« Reply #467 on: June 15, 2011, 09:13:06 pm »
I have two questions:
How do you use Y1?
Is Y1 a static pointer?
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Offline Deep Toaster

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Re: Axe Q&A
« Reply #468 on: June 15, 2011, 10:56:14 pm »
It's actually a combination of a variable (like A-Z and theta and the r1-r6 arguments) and a page number, which is used to figure out which page of flash memory (the "archive") the data is on. It's used specifically to point to variables that are archived, so the only way you "store" to it is through the GetCalc("VARNAME")→Y1 command. Y1 can then be used in a limited set of commands, such as Copy() and {}.
« Last Edit: June 15, 2011, 10:56:22 pm by Deep Thought »
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Offline calc84maniac

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Re: Axe Q&A
« Reply #469 on: June 15, 2011, 11:02:49 pm »
I think the command is actually GetCalc("VARNAME",Y1)
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Offline aeTIos

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Re: Axe Q&A
« Reply #470 on: June 16, 2011, 03:39:22 am »
Calc is right. Then you use {Y1+X} to get the byte.
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Offline Deep Toaster

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Re: Axe Q&A
« Reply #471 on: June 19, 2011, 11:03:49 pm »
Whoops, I haven't actually used that command :-[
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Offline pianoman

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Re: Axe Q&A
« Reply #472 on: June 21, 2011, 04:10:27 pm »
How do you run axe programs in an 84+?
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Offline Deep Toaster

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Re: Axe Q&A
« Reply #473 on: June 21, 2011, 04:45:18 pm »
What do you mean? If you have the executable (already compiled program), it's just an assembly program like any other. Run it from DoorsCS or MirageOS, or if you know it was compiled for no shell, run it from the homescreen with Asm(prgmNAME).
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Offline pianoman

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Re: Axe Q&A
« Reply #474 on: June 21, 2011, 04:49:54 pm »
Oh, you don't need an extra shell on your calc?
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Offline Deep Toaster

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Re: Axe Q&A
« Reply #475 on: June 21, 2011, 04:57:16 pm »
If the program was compiled for that extra shell, then yeah. It's exactly the same as any other ASM program.
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Offline pianoman

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Re: Axe Q&A
« Reply #476 on: June 21, 2011, 04:57:47 pm »
Ok, thanks!
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Offline Darl181

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Re: Axe Q&A
« Reply #477 on: June 27, 2011, 02:35:55 pm »
Using [2ND][/] for the e...
I have a level pointer of {P}, like getcalc(Str1)→P
Would 1e{P} get the first byte of the number P points to, or would it be the last byte?  Also is it 1e{P} or 1eP ?

EDIT: answered via IRC.  It would be {P}e1 .
« Last Edit: June 27, 2011, 02:36:44 pm by Darl181 »
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Offline Darl181

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Re: Axe Q&A
« Reply #478 on: June 28, 2011, 11:58:00 am »
How optimized are the ++ and -- commands?  Are they slower or faster than the normal A+1→A ?
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Offline Quigibo

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Re: Axe Q&A
« Reply #479 on: June 28, 2011, 04:50:10 pm »
They're the same for variables, but usually smaller/faster for memory locations.
« Last Edit: June 28, 2011, 04:50:43 pm by Quigibo »
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