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Slammer
Registered: Feb 2004
Posts: 416 |
Kick Assembler Thread 2
The previous thread took a little long to load, so this is a new fresh one.. |
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Digger
Registered: Mar 2005
Posts: 421 |
Another useful macro (hope @Slammer will add that natively soon) that converts hex string to bytes super useful for color tables.
.macro stringToBytes(string) {
.for (var i = 0; i < string.size(); i++) {
.var char = string.charAt(i).number()
.var value = char >= $30 ? char - $30 : char + 9
.byte value
}
}
Example:
stringToBytes("f582900000000000")
Can be surely written even shorter, but I didn't care. |
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TWW
Registered: Jul 2009
Posts: 541 |
Math Question:
Say I have a number: -161230 and do the following:
.var number = -161230
.var HighOrder = floor(abs(number/10000)) // Gives 16
.var MediumOrder = floor([abs(number/10000)-floor(abs(number/10000))]*100) // Gives 12
.var LowOrder = (abs(number/100)) // Gives 1612,3
.eval LowOrder = floor(abs(number/100)) // Gives 1612
.eval LowOrder = [(abs(number/100)) - floor(abs(number/100))]*100 // Gives 29,99999999999545
In my head this should give 30,0
Or shouldn't it?
EDIT: I can use round as a workaround(^^). |
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soci
Registered: Sep 2003
Posts: 473 |
That's how binary floating point works. This special case would have worked with decimal floating point.
In short floating point numbers need to be handled carefully and yes, that round() will be needed.
Btw. this sort of calculation should have been done with modulo and division using integer arithmetic only. And preferably unsigned to not get "surprising" results for negative numbers (implementation specific). |
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xIII
Registered: Nov 2008
Posts: 210 |
just a fast question:
if I use -> .word 100,100
the result in Vice is -> 64,80,64,00
I was expecting -> 64,00,64,00 ?
if I use .word $012c
I get -> 2c 80
expecting: 2c 01 ? |
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xIII
Registered: Nov 2008
Posts: 210 |
Quote: just a fast question:
if I use -> .word 100,100
the result in Vice is -> 64,80,64,00
I was expecting -> 64,00,64,00 ?
if I use .word $012c
I get -> 2c 80
expecting: 2c 01 ?
anyone ? |
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lA-sTYLe
Registered: Sep 2003
Posts: 63 |
no idea why, nor used to Kickass,
but how about .byte $2c,$01 ? |
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xIII
Registered: Nov 2008
Posts: 210 |
Quote: no idea why, nor used to Kickass,
but how about .byte $2c,$01 ?
yes thx, ofcourse it works with .byte but it should work with .word ;) |
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soci
Registered: Sep 2003
Posts: 473 |
No one wants to say but you're likely doing something wrong. The examples given work with the last version. |
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xIII
Registered: Nov 2008
Posts: 210 |
@soci: indeed I was doing something wrong, I found a ROR in my routine that caused the 1 to become 80 :( |
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Mace
Registered: May 2002
Posts: 1799 |
This:
Relaunch64 3.3.7 (Build 20161031)
Mac OS X 10.11.6 (x86_64)
Java-Version 1.8.0_111 (Oracle Corporation)
KickAssembler v4.3
Produces this error:
Exception in thread "main" java.lang.UnsupportedClassVersionError: kickass/KickAssembler : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
Please help :( |
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