Posted: 8/17/2013 6:13 PM
Post subject: float values in RAM watch / search
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Hâthor
Player (105)
Joined: 1/4/2013
Posts: 117
Location: Belgium
I was wondering if this feature will come with the next version. It can be very useful for 3D console, I think (in my opinion, seeing 27.32 is more obvious than 0x41da8f5c :p). I don't know if the ieee754 standard was used or if it's more complicated than I guess (The ugly fixed point 20.12 from Nintendo DS for exemple).
Posted: 9/19/2013 1:29 AM
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Nisto
Former player
Joined: 11/25/2009
Posts: 77
Yes! I was hoping for this as well, especially since it hopefully means you'd implement memory.readfloat() and memory.writefloat() to the Lua frontend too (it's a bitch to implement it on your own, it seems...)
Posted: 9/19/2013 7:37 PM
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zeromus
Editor, Emulator Coder
Joined: 8/7/2008
Posts: 1156
In progress in SVN. Whether ieeee754 standard was used (on console X) depends on which console X you mean (but probably). If some other float format is employed, someone had better tell us. Lua's memory.readfloat() etc. is completely unrelated to ramwatch/ramsearch.
Posted: 9/19/2013 8:08 PM
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adelikat
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Joined: 11/3/2004
Posts: 4754
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Yes, the next release will have float, 20.12 and 12.4 fixed point options for ram watch and ram search
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Posted: 9/20/2013 8:59 AM
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Nisto
Former player
Joined: 11/25/2009
Posts: 77
Lua's memory.readfloat() etc. is completely unrelated to ramwatch/ramsearch.
Well, would you consider implementing the functions while you're at it (float values in general) anyway? I'm no C/C++/C# expert, but I wouldn't imagine it being too hard for you guys to implement it (I say that especially since you already have a bunch of memory.* code snippets you can probably reuse for such functions).
Posted: 10/1/2013 6:40 AM
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SaxxonPike
Any
Emulator Coder
Joined: 6/8/2005
Posts: 236
Location: Madison, Wisconsin
zeromus wrote:
In progress in SVN. Whether ieeee754 standard was used (on console X) depends on which console X you mean (but probably). If some other float format is employed, someone had better tell us. Lua's memory.readfloat() etc. is completely unrelated to ramwatch/ramsearch.
I'm also curious how this is implemented as Commodore 64 uses 40 bit floating point values in its Basic/Kernal roms. Might be useful for games written in Basic+Assembly, of which there are numerous.
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