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https://github.com/Oibaf66/fbzx-wii.git
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134 lines
5.1 KiB
Plaintext
134 lines
5.1 KiB
Plaintext
FBZX CAN'T INITIALIZATE THE SDL LIBRARY.
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Is possible that you don't have the '/dev/mouse' symlink, or maybe, that
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symlink (or the device pointed by) has no access permissions for the user you
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are using. Just try (as root):
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FBZX SAYS THAT IS RUNNING WITHOUT SOUND, AND TO READ THE FAQ
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Currently FBZX uses ALSA, OSS or PulseAudio to generate the sound, and that
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means that there can be only one sound source at each time in the system. If
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you have a MP3 playing, without the PULSEAUDIO daemon launched, FBZX won't be
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able to get access to the sound.
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WHAT SPEED DO I NEED TO USE FBZX?
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I'm not sure what's exactly the minimum speed, but I used it in an AMD K6-II
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runing at 450 MHz and it worked at fully speed. Now, with the new OSS sound
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*seems* to work even better, so maybe you could use it with an smaller
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computer.
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FBZX CAN BE USED FROM X-WINDOWS?
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Since FBZX uses the SDL library, it can be used both from console and from X,
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but, of course, in X it will need more system resources due to the fact that it
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needs to emulate an 8-bit screen. Of course this was problematic with 2003
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computers, but current systems can run FBZX under X without problems.
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If you use it from console, it is strongly reccomended to use a native
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FrameBuffer driver, in order to allow FBZX to change the current video mode
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(see next question).
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You can use the -fb option to make FBZX work in fullscreen mode.
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I'M USING VESAFB IN MY (16-24 bits) CONSOLE, BUT FBZX WORKS SLOW...
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That's because SDL is emulating an 8-bit screen for FBZX. The solution is to
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change it for a FrameBuffer specific for your graphic card. If there's no
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native driver (or it doesn't work reliably), you can use the SuperVESAfb
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driver. This is a VESA driver that allows to change the resolution on-the-fly.
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You can find it in:
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http://www.rastersoft.com/supervesafb.html
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This driver is only for 2.4 kernels. 2.6 versions have a new VESAFB driver
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capable of switching the resolution.
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MY COMPUTER DOESN'T HAVE FUNCTION KEYS (F1, F2...). HOW CAN I GET ACCESS TO
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THE MENUS?
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Just press the TAB key and you will see the message "Function key mode on".
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Now you can use the number keys (0-9) to emulate the functions keys (F10 is '0',
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F1 is '1', and so on, F11 is 'o' and F12 is 'p')(In FBZX this function has been disabled).
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THERE'S A DELAY IN THE SOUND. HOW CAN I ELIMINATE IT?
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Unfortunately, you can't. I have to use at least two buffers of 4096 bytes each
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one in order to have an stable sound, and this means, at 48000 samples/sec,
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0'17 seconds, and that's a perceptible delay for the human ear (with lower
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sample rates it would became even worse; to avoid it, at sample rates lower
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than 24000 samples/sec I reduce the buffer to 2048 bytes).
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THERE ARE SOME GLITCHES IN THE SOUND
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Maybe your CPU is too slow to run FBZX at full speed. But you can see with top
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the load of each program, and give less priority to the ones that uses more
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CPU. I do this with aMule, and the glitches dissapears.
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I TRIED TO LOAD A .TZX FILE, BUT THE EMULATOR SHOWS A MESSAGE THAT
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TELLS: "Unsuported TZX. Contact FBZX autor". WHAT'S HAPPEN?
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Just read the file README.TZX.
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I CHOOSE A .TZX FILE AND TYPE LOAD "", BUT NOTHING HAPPENS.
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Fast load is available only with TAP files. If you want to load a TZX file,
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you must press F6 in order to play the tape.
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I TRIED TO LOAD A .TAP FILE IN FAST MODE, BUT IT FAILS AND THE EMULATOR
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SHOWS THE MESSAGE "Block with right flag not found". WHAT'S HAPPENNING?
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Each Spectrum's tape block has a flag byte that identify each one. Flag 0 is
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for headers, and flag FF is for data blocks. A programmer can define its own
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flag bytes if he wants.
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If the program loader wants to load a block with a flag XX, but there isn't a
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block in the TAP file with that flag, the fast loader will stop and show that
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message (and will return a "Tape error" to the program loader). If I don't do
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this, the fast loader should be reading the tape again and again, trying to
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find a block with that flag, and the emulator should hang up (not really hang,
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but it wouldn't be able to respond to keystrokes, even to the ESC key).
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I CREATED A NEW MDR FILE, BUT WHEN I TRY TO WRITE TO IT, OR DO A CAT 1,
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IT DOESN'T WORK, AND I HAVE TO PRESS BREAK (SHIFT + SPACE) TO STOP THE
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COMMAND.
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When you create a MDR file, it is created "in blank", so you must format the
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medium before using it. To do it, just use:
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FORMAT "m";1;"name"
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changing 'name' with the name you want to give to the cartridge.
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You can format a cartridge too if you want to erase a MDR file.
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THE SYSTEM RETURNS THE MESSAGE DRIVE 'WRITE' PROTECTED. WHAT CAN I DO TO
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UNPROTECT IT?
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Just press F7 and change the 'Write protection' status with F3. Remember that
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the status is stored with the cartridge, so if you exit the emulator and load
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a MDR file again, it will have the same status you left it.
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WHERE CAN I FIND INFO ABOUT HOW TO USE THE INTERFACE I AND THE MICRODRIVES?
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In:
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http://www.madhippy.com/8-bit/sinclair/zxif1micro.html
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you can find the HTML version of the original manual of the Interface I and
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Microdrive. There's ALL what you shoul need to know to work with it.
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