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world-name: r4wp

Group: #Red ... Red language group [web-public]
Gerard:
13-Jun-2012
While dreaming about the next best thing coming from the Red community 
... here are some IDEs for ARMs processors http://www.ti.com/lsds/ti/dsp/support/dev_tool/ccs_overview.page
 and then some emulators and analyzers http://www.ti.com/lsds/ti/dsp/support/emulator_analyzer_overview.page
DocKimbel:
15-Jun-2012
@Gerard: I will try it under 3.1 in the emulator.
DocKimbel:
15-Jun-2012
@Gerard: works under emulator with 3.1, the kernel version is much 
lower though than the one you've reported, I have 2.6.29 here.
Gerard:
15-Jun-2012
@Doc : Thanks for the try of the emulator - Now installing the Android 
update for my - almost 50 % left to do after 30 minutes - for an 
88 MB download - !!!  I will retest after everything is completed...
Kaj:
26-Dec-2012
BREAK/GOTO/FSM: I also try to avoid BREAK, although it can come in 
handy. GOTO would make my 6502 emulator faster, but it's ugly. Having 
FSM support would be brilliant
Kaj:
16-Jan-2013
Arnold, Red/System has been ready for writing code for at least a 
year. Red is only getting to that stage now, so that's why I have 
been working in Red/System. My 6502 emulator is a major self-contained 
work in Red/System, but there's also the issue of communicating with 
the outside world. Unless you write your own operating system, the 
way to do that is by binding to the existing operating system
Kaj:
8-Feb-2013
Have you seen my 6502 emulator in Red/System yet? :-)
Bo:
8-Feb-2013
I saw that you wrote a 6502 emulator, but haven't had time to look 
at it yet.  Sounds like a fun project!
DocKimbel:
9-Mar-2013
Kaj: do you see the content there: http://transmog.net/iphone-simulator/mobile-web-browser-emulator-for-ipad-2.php?u=https://trello.com/board/red-programming-language/51387ada4e1ba9b86b001141
Kaj:
9-Mar-2013
If I go to syllable.org in the emulator, our site flashes by and 
then that screen goes blank, too, so that emulator is broken, too
Pekr:
17-May-2013
uf, installed AndroidStudio and built first example for emulator. 
Pretty complex stuff, hidden under nice roof :-)
DocKimbel:
8-Jun-2013
Got a simple HelloWorld text displayed in an Android native window 
using the emulator with an x86 image. Working on the ARM version 
now.
DocKimbel:
8-Jun-2013
Ok, works fine from ARM emulator and Android 2.3.3.
DocKimbel:
9-Jun-2013
Pekr: you can test it here:
https://www.manymo.com/emulators


But the Hello app exits immediatly, not sure it's a bug or related 
to their emulator.
DocKimbel:
9-Jun-2013
Yes, but I'm not sure why as it works fine on 2.3.3 and 4.2.2 on 
the emulator and 2.3.5 on my HTC.
DocKimbel:
9-Jun-2013
I wonder if they use x86 emulator images instead of ARM ones...would 
makes sense performance-wise.
DocKimbel:
9-Jun-2013
It's one for the x86 version of the emulators (you need Intel Atom 
images) and for Manymo (the online emulator).
DocKimbel:
12-Jun-2013
I just tested the hello.apk (downloading from the Red site) on an 
emulated 4.2.2 and it works fine. So, it looks like the Android emulator 
is not as reliable as it seems.
DocKimbel:
17-Jun-2013
Notice that this runs on the x86 emulator, there's still a few bugs 
to fix for the ARM version.
DocKimbel:
24-Jun-2013
Actually it does even on your 4S using iAndroid emulator: http://www.youtube.com/watch?v=gehh6zIijXM
;-)
Kaj:
25-Jun-2013
There's a binary example in my 6502 emulator, where it loads a ROM 
file
Kaj:
25-Jun-2013
I updated the 6502 emulator to use it, so you can see an example 
there
DocKimbel:
27-Jun-2013
But that won't work with the apk you've buit, that online emulator 
requires x86 code.
DocKimbel:
2-Jul-2013
Maybe Pekr could do an Android Red app compilation + execution on 
the online emulator short video too? If it includes one of your nice 
models from the photo studio, that would be even better. ;-)
DocKimbel:
21-Jul-2013
I'm upgrading from 3GB to 12GB, I kept having "out of memory" error 
after opening a few dozens web pages and starting some heavy tools 
like Eclipse, Android Emulator or various VM...now I should be able 
to run everything at the same time. ;-)
Group: Announce ... Announcements only - use Ann-reply to chat [web-public]
Kaj:
10-Dec-2012
Here's a 6502 CPU emulator written in Red/System:
Kaj:
10-Dec-2012
However, I rewrote it from a fairly complete Atari XL/XE emulator 
that I did in C a long time ago. The new code is a third shorter, 
mostly due to abundant use of preprocessor macros, which are less 
horrible in Red/System than in C
Kaj:
10-Dec-2012
In this new emulator, I abstracted the machine emulation from the 
CPU emulator, so that different machines could be implemented using 
the same CPU emulator
Kaj:
10-Dec-2012
My full Atari emulator ran full speed on a Pentium 75 or a 100 MHz 
486. I roughly expect this one to run half as fast, so as a full 
emulator I'd expect it to need a Pentium 150. As another guesstimate, 
it should need half a Raspberry Pi
Kaj:
23-Dec-2012
My 6502 emulator in Red/System now takes the name of a ROM file as 
a command line parameter. It can load any ROM that's a multiple of 
2 KB in size:
Kaj:
23-Dec-2012
I've added binaries for all systems to my test repository, so you 
can now easily try the emulator if you have some ROM from the golden 
days:
Group: Ann-Reply ... Reply to Announce group [web-public]
Pekr:
10-Dec-2012
Hasn't someone written 6502 emulator for REBOL too? Was it Geomol? 
It would be nice to compare speed-wise :-)
Kaj:
10-Dec-2012
Doc, it's firmly an 8-bit CPU emulator, but it can certainly serve 
as a general example to implement other emulators in Red/System
Kaj:
10-Dec-2012
Hm, John's emulator uses RebCode, perhaps that's why it slipped my 
mind. It would be fairly fast, but only runs on some REBOL versions
GrahamC:
14-Jan-2013
Yes, but that's a 6502 emulator ... not really what I want!  And 
the other thing was called "empty.exe" which doesn't seem to do anything
Group: !Syllable ... Syllable free operating system family [web-public]
Kaj:
20-Sep-2012
No, we haven't had time to make emulator images for 0.6.7 yet. The 
Enlightenment port isn't published in binary yet, but you could compile 
it with the Syllable build system
Group: !REBOL3 ... General discussion about REBOL 3 [web-public]
Ladislav:
15-Apr-2013
The speed difference must be at least (actually, it should be even 
greater a bit due to the deimal nature) equal to the difference between 
floating point arithmetic done by the coprocessor, versus it being 
done by an emulator.

world-name: r3wp

Group: !AltME ... Discussion about AltME [web-public]
eFishAnt:
9-Mar-2005
sorry about the s's above...was keying commands to an emulator and 
AltME focus grabbled them...
Group: Core ... Discuss core issues [web-public]
Dockimbel:
1-Jun-2005
Does anyone know if REBOL runs on Windows CE.NET 4.2 ? I'd need to 
use REBOL on that platform but I don't have access to a CE.NET terminal 
and can't use an emulator because there's no REBOL WinCE x86 binary.
Geomol:
1-Apr-2008
6502! :-) You may wanna check out my 6502 asm and emulator written 
in REBOL:
http://www.fys.ku.dk/~niclasen/rebol/language/
Steeve:
18-Dec-2008
in fact i remember having to simulate a goto command when i tried 
to develop a Z80 emulator.
i had build a simple engine working like that:
code: [
	[ some code....]
	[ some code...]
	[ some code ... GOTO: 1]	; goto the first line of code
]
GOTO: 0
forever [
	GOTO: GOTO + 1
	do pick code goto
]
Group: View ... discuss view related issues [web-public]
Cyphre:
16-Apr-2010
Well, if you are able to make at least script that is able to crash 
(even randomly) I can test it here on external agg dll DRAW emulator 
to see if the porblem is in AGG code itself or if it is on the rebol 
dielaect side.
Group: Parse ... Discussion of PARSE dialect [web-public]
Gregg:
3-Feb-2008
James is getting into Forth, and I was just looking at some old notes 
I made on ForthR (play on "further"), where the machine primitives 
are actually a little REBOL VM/emulator, rather than ASM for a specific 
chip. Easier to get started, though not real Forth.
Graham:
4-Feb-2008
I have the figforth assembly code for the 6502  ... so you could 
run fig forth on your 6502 emulator ?
Geomol:
4-Feb-2008
I'm not really sure. First I do a general 6502 assembler and emulator, 
but I only have an emulator of the BBC homecomputer to test up against, 
so I probably have to deal with some Operating System stuff too. 
I operate with a 64k address space, and on the BBC writing to some 
certain addresses made something special for that platform happen. 
But let's see, what we can do.
Henrik:
4-Feb-2008
slightly off topic: who was it that wrote a z80 emulator with embedded 
space invaders?
Geomol:
5-Feb-2008
You see, now I have a 6502 assembler written in REBOL, so now it 
will be easy for me to test a 6502 emulator, while I'm writing it.
Robert:
8-Feb-2008
Is there an emulator for this Elite release?
Geomol:
8-Feb-2008
Robert, there's no emulator written in REBOL, that can run Elite, 
afaik. But there are emulators emulating the BBC computer, if that's 
what you mean, and they can run Elite. I use an emulator called BeebEm3.
Group: Syllable ... The free desktop and server operating system family [web-public]
Kaj:
3-Sep-2005
Yes, you can install on an extra partition. Same way as you could 
install in an emulator: you need to download the base Syllable package 
instead of the CD
Kaj:
22-May-2006
5 Core developers, maybe 50 that have contributed at some time, 500 
on the mailing list, more than 1000 on the forum, 5000 who download 
each install CD, more than 10,000 who download each live CD and emulator 
image, tens of thousands who come visit when we're on OSNews, roughly 
an order of magnitude more when we're on Slashdot
Kaj:
5-Mar-2007
It should be possible to run some version in some emulator, but I 
haven't done it yet. We've only had Bochs running in the past. We're 
still having some problems porting QEmu, but we're looking into it
Kaj:
6-Oct-2007
But I could do a slideshow when I prepare an emulator image]
Kaj:
17-Oct-2007
We created a bunch of virtual machine images, so you can try Syllable 
Server easily in an emulator without installing it:
Kaj:
17-Oct-2007
http://osnews.com/story.php/18774/Syllable-Server-Emulator-Images
Kaj:
21-Oct-2007
Meanwhile, I would be interested in feedback from people who have 
the guts to actually install Syllable Server, or even just run one 
of the emulator images, so they can comment on the system itself
Kaj:
13-Dec-2007
I thought the Syllable screenshot running a DOS emulator running 
my Atari 8-bit emulator running a Boing ball demo in the Amiga group 
here would be a giveaway :-)
Kaj:
10-Jan-2008
The OLPC with AmigaOS is just their own Linux with an Amiga emulator 
on top. That's easy to install
Kaj:
15-Sep-2008
I still have to make an emulator image for Server 0.3, so I'll see 
if I can port Dovecot before that
Kaj:
17-May-2009
Many bugs were fixed, including several regressions from earlier 
releases. The window decorators don't destabilise the system anymore. 
The installation procedure is greatly enhanced with options to fix 
hardware support problems. The native web browser is replaced with 
Webster, based on a newer version of the WebKit engine. Many enhancements 
were made to standards support, leading, among others, to the ability 
to run QEmu - so now you can run virtual machines. The documentation 
was improved and several translations were added. Read more in the 
full release notes: http://downloads.syllable.org/Syllable/i586/systems/Desktop/0.6.6/README-SyllableDesktop-0.6.6.txt
ISO CD images, (VMware) emulator images, an upgrade pack and documentation 
are available from the download page: http://web.syllable.org/pages/get-Syllable.html
Extra software is available here: http://web.syllable.org/Syllable/downloads.html
Kaj:
30-Aug-2011
Ah, I must have forgotten about that. Is the emulator based on an 
x86 version?
Kaj:
30-Aug-2011
Onetom, Henrik had Syllable working on VirtualBox in January here 
above. Other people have reported failure with some VirtualBox and 
VMware versions. You have to follow the right procedure, and then 
it still depends on emulator versions
Group: Linux ... [web-public] group for linux REBOL users
Maxim:
9-Apr-2007
brian, yes linux is not too far away they where purchased by the 
no.1 linux handheld distributor... last I heard they are writing 
a palm emulator to be able to run normal palm apps on top of the 
linux kernel.
Kaj:
27-May-2008
If you work in a terminal emulator in an X window, you can just start 
graphical apps from the command line
Group: Dialects ... Questions about how to create dialects [web-public]
Geomol:
22-Jul-2007
This is meant as an implementation of BBC BASIC originally found 
on the BBC Micro from british Acorn. It's not an emulator of that 
computer. For emulation of the BBC Micro, I recommend BeebEm.
Group: Sound ... discussion about sound and audio implementation in REBOL [web-public]
Steeve:
17-Jun-2008
I got the data using a free MSX emulator (openMSX). The music come 
from the game "Auf wiedersehen Monty".

You can use a "dump PSG" functionality in openMSX to get the raw 
data (values of the registers of the PSG).

You can find lot of roms (games) for the msx wich contain cool musics 
and effects for the AY PSG on www.planetemu.net

Beware, these roms are not freeware even if you can download them 
freely.


Another way (i have not tried), is to use VortexTracker at http://bulba.at.kz/
(see http://www.youtube.com/watch?v=lYdIqcqgkPMfor a demo)

wich is well designed to compose an manipulate raw data for the AY-* 
PSG.
I think many samples are given too.
Group: rebcode ... Rebcode discussion [web-public]
Steeve:
20-Feb-2007
i attempt to do a Z80 emulator
Steeve:
26-Feb-2007
this demo is the first stone of the future MSX emulator, but we could 
emulate lot of computer based on Z80 ship.
Graham:
27-Feb-2007
hey, what about a 6502 emulator ??
Geomol:
11-Feb-2008
Here's a MOS 6502 emulator written in rebcode, I made over the last 
few days:
http://www.fys.ku.dk/~niclasen/rebol/language/em6502.r
Geomol:
11-Feb-2008
Those 4 lines do this: load the assembler, load the emulator, call 
the asssembler with a 6502 asm program returning 64kb ram, and finally 
run the program.
Geomol:
11-Feb-2008
Not much to see, but the program ram. To check things, put e.g. print 
lines in the end of the emulator. Like those 2 already in there commented 
out:
print A
print P

which will print the content of the A register and the P (status) 
register.
Geomol:
11-Feb-2008
Just to clear things out regarding performance. This is an emulation 
of a 1MHz cpu. It requires quite some computing power to emulate 
another cpu. To give a hint: an instruction line INX, which increment 
the X register by 1 requires 2 cycles on the 6502. So you can do 
half a million of those instructions on a 1MHz 6502 each second. 
In my emulator, that INX instruction become 11 rebcode instructions 
plus 6 rebcode instructions to control the loop, a total of 17 rebcode 
instructions. And it takes less than half a second to do 1 million 
of those, which is like a 4MHz 6502. So with this initial test, I'll 
say, rebcode is useable.
Geomol:
12-Feb-2008
A first version of a MOS 6502 workbench tool is ready:
do http://www.fys.ku.dk/~niclasen/rebol/language/m6502wb.r

It'll load the 6502 assembler and emulator. It's a tool to compile 
6502 assembler programs to machinecode and run it with the rebcode 
emulator. It's possible to see the 6502 registers and flags. Both 
asm6502.r and em6502.r has been updated.
Geomol:
12-Feb-2008
It works like this:
1) Write some 6502 asm in the text area. Example:
lda #&80

2) Press the button "Assemble". Now you can see the opcodes in the 
ram at address 0000.

3) Press the button "Begin" to run the emulator with the produced 
machine code and see the results in the registers and flags.
Geomol:
12-Feb-2008
A performance test program:

lda #0
sta &1001
.l1
lda #0
sta &1002
.l2
lda #0
sta &1003
.l3
lda &1003
adc #1
sta &1003
lda &1003
bne l3
lda &1002
adc #1
sta &1002
lda &1002
bne l2
lda &1001
adc #1
sta &1001
lda &1001
bne l1


It takes 40s to run on a BBC emulator emulating a 1MHz 6502. It took 
around 14s using the rebcode emulator on my 1.2 GHz G4, and it took 
9.5s using the rebcode emulator on my 2.4GHz Pentium 4.
Geomol:
13-Feb-2008
There's something wrong with my compare with a 1MHz 6502. I counted 
the number of cycles in the inner loop and found 17 cycles. A 1MHz 
6502 can then do 1'000'000 / 17 * 40 = 2'352'941 loops in 40 seconds. 
But the BeebEm emulator made 16.7 mio. loops in that time. It should 
have taken 285 sec. So programming in rebcode is more like a 107 
MHz cpu in this test.
(It's probably not correct to measure it this way.)
Steeve:
13-Feb-2008
Geomol, i had a look on your emulator code, i think perfs could be 
improved if you delay the update of all flags only when they are 
used.
Steeve:
13-Feb-2008
in fact the engine is very similar with the z80 one, i think we could 
make a meta-emulator using external data-sheets (one for 6502, one 
for Z80)
Steeve:
13-Feb-2008
i' made a Z80 emulator using rebcode (not complete), you can see 
it in galaga.r on rebol.org
Group: Tech News ... Interesting technology [web-public]
Graham:
16-May-2006
Looks like they have a Pet emulator.
Henrik:
12-Jan-2007
http://www.6502asm.com/<--- 6502 compiler and emulator in javascript.
JaimeVargas:
15-May-2007
Gabriele, "brainfuck is turing complete, but don't tell me it's the 
same as scheme".  Well it depends on what you mean by sameness. I 
am using Turing Complete as the base of the definition. Because if 
the language is Turing Complete you can construct an emulator of 
any other language. After all that is needed is bits, memory and 
register to carry out any computation. It maybe hard to make a Rebol 
interpreter in brainfuck but it is certainly possible.
Sunanda:
17-Nov-2007
I remember when Pentiums were the new Black, it was said the Colossus 
emulator (in C under windows, I guess) was far slower than the real 
thing (specialist hardware designed for the task on a war economy 
budget).

Looks like better languages, more modern hardware and (crucially) 
more recent algorithms means the Colossus can be finally retired:

http://www.theregister.co.uk/2007/11/16/german_code_breaker_defeats_colossus/
Kaj:
23-Apr-2011
As I said, I haven't started with EC2 yet. I'd have to port Syllable 
Server to EC2. Syllable Desktop is impossible to run on EC2, unless 
you'd run it in a full emulator
Group: #Boron ... Open Source REBOL Clone [web-public]
Kaj:
10-Jul-2006
Well, not my package, unless you install a Linux emulator
Group: !REBOL3-OLD1 ... [web-public]
Chris:
28-May-2007
It's not just View apps that suffer in this way -- Inkscape is a 
formiddable application that looks at home on Linux, looks patchy 
on Windows and looks like an emulator window on OS X.
shadwolf:
23-Sep-2009
i'm sure  inwindows 7 the fixed fonts that turns to unfixedfont by 
magic is due to some unsuported instruction from win32 API emulator 
in winFX
Group: !Liquid ... any questions about liquid dataflow core. [web-public]
Steeve:
16-Feb-2007
i've worked a bit on an MSX emulator in Rebol
Steeve:
16-Feb-2007
yes but to achieve this project and doing a real emulator, i need 
rebcode
Group: !REBOL3 GUI ... [web-public]
Cyphre:
3-Dec-2010
I had quick glance at the Android examples....it seems my guessing 
was not too off. Also it looks like the android developement is very 
simmilar to the J2ME stuff  in the basic sense so I might give it 
a try in their emulator to see what is possible ;)
Group: !REBOL3 ... [web-public]
shadwolf:
16-Aug-2010
instead of having an android phone maybe the devtools include an 
emulator no ?
Group: !REBOL3 Host Kit ... [web-public]
Kaj:
10-Dec-2010
However, the Android cross-compiling SDK with its emulator is also 
a good development environment
Group: Red ... Red language group [web-public]
Kaj:
26-Mar-2011
I'd been phantasising about that, and about porting my 6502 emulator 
:-)
Rebolek:
26-Mar-2011
porting 6502 emulator to 6502? :-)
Kaj:
26-Mar-2011
If I would port the emulator and someone would do a 6502 backend, 
then yes :-)
Dockimbel:
12-Nov-2011
So I need to find a suitable ARM emulator now to be able to finish 
the ARM port...