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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... |
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