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#1
There is a fix to completely isolate the audio (prevents electronic/tape noise from speaker) but said noise was largely a "feature" not a bug 
There's a more in-depth discussion and thread linked below.
https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/what-causes-the-tape-data-to-be-heard-on-the-speaker-on-the-cpc-464/
There's a more in-depth discussion and thread linked below.
https://www.cpcwiki.eu/forum/amstrad-cpc-hardware/what-causes-the-tape-data-to-be-heard-on-the-speaker-on-the-cpc-464/
#2
The story for Breakout is rather remarkable, as Jobs fooled Woz over the Atari deal and almost held the entire fee Atari paid, and the fact that Atari could not grasp the way the circuit by Woz functioned, so they made a way more complex board themselves.
#3
I tried some very nice games. I really like Prince of Persia, Rick 1 & 2, Donkey Kong, Pac-Man.
I have to say to really appreciate them it works best on a CRT, that both hides the rectangular pixels and makes the colours transition much smoother. For example, PoP looks nicer than the PC version.
I have to say to really appreciate them it works best on a CRT, that both hides the rectangular pixels and makes the colours transition much smoother. For example, PoP looks nicer than the PC version.
#4
It
Next plan is to have them code a simple game in Z80 assembly.
Quote from: cwpab on Today at 14:25They don't use them for break, but for a lesson program to dive into computer architecture.QuoteTeaching computer science on a high school with the CPC, P2000T, Spectrum and C64.
That's really cool! If you don't mind... How do kids react to these machines? Do you allow them to load some games in the break times? Which of these 4 machines is their favorite?
Next plan is to have them code a simple game in Z80 assembly.
#5
QuoteTeaching computer science on a high school with the CPC, P2000T, Spectrum and C64.
That's really cool! If you don't mind... How do kids react to these machines? Do you allow them to load some games in the break times? Which of these 4 machines is their favorite?
Also, I just discovered the P2000T thanks to your message, it seems like a neat machine for 1980. Judging by this video, the graphics were really cute, but Mobygames lists only 70 games. This video shows 15 of them... it looks like one of them is an earlier version of Amstrad Jumper, one of my least favorite games as a kid (both versions are an Atari 2600 clone, I think).
Finally and just in case you don't know, I recommend checking CPC Game Reviews for the top 700 games and CPC-Power for all games and applications.
#6
The speaker of the CPC 464 makes a high pitched wine/beep if I turn the volume up to a decent level for playing games. When the games are loading, even from USB on the ULIFAC, I hear what seems like a loading sound as well, faint, but certainly different from the basic beep.
I read that it is caused by the sound trace going through the tape board and catching a lot of signal noise along the route.
Is there a recommended fix to make the sound clean(er)? I have no interest in fixing the tape drive for now, don't want to damage it, but if disabling a part of it helps it is ok.
I read that it is caused by the sound trace going through the tape board and catching a lot of signal noise along the route.
Is there a recommended fix to make the sound clean(er)? I have no interest in fixing the tape drive for now, don't want to damage it, but if disabling a part of it helps it is ok.
#7
Can I use an Arduino Leonardo loaded with the serial-pass-through script to make a serial connection with the Ulifac?
#8
R
Technical support - Hardware related / Ulifac mounting internally in ...
Last post by retro space - Today at 13:31I recently aquired my first CPC, a 464, bought it on Ebay as "not tested" but it looked super clean, hardly any wear, bright coloured buttons. Guess the seller did not have the correct cables, but it just worked. Only the tape unit is having issues.
On advice I read here I got a Ulifac, and that expansion is amazing. It basically makes it a 6128 with a lot of RAM and USB disk image loading, serial interfaces and more.
For the video out I made a small mod: I desoldered resistor 134 and 136 on one side, basically disabling the luminance, and soldered a 150Ω resistor between the center pin of the DIN6 and the 5V rail next to the socket.
I found a DIN 6 to SCART cable at good will, and I modded a few pins to make it match the CPC pinout.
While doing that I found that my CPC has a short board, with a double row of solder islands under the edge connector. My idea now is to either solder a 2x25 female pin connector to it, or a scsi cable, so I can put the ULIFAC next to the main board inside the CPC.
By question is: has anybody tried to do the same with the Ulifac or its predecessor, and what are your recommendations in how to implement it?
On advice I read here I got a Ulifac, and that expansion is amazing. It basically makes it a 6128 with a lot of RAM and USB disk image loading, serial interfaces and more.
For the video out I made a small mod: I desoldered resistor 134 and 136 on one side, basically disabling the luminance, and soldered a 150Ω resistor between the center pin of the DIN6 and the 5V rail next to the socket.
I found a DIN 6 to SCART cable at good will, and I modded a few pins to make it match the CPC pinout.
While doing that I found that my CPC has a short board, with a double row of solder islands under the edge connector. My idea now is to either solder a 2x25 female pin connector to it, or a scsi cable, so I can put the ULIFAC next to the main board inside the CPC.
By question is: has anybody tried to do the same with the Ulifac or its predecessor, and what are your recommendations in how to implement it?
#9
I grew up with the Philips P2000T, and found out the CPC is a rather "similar" computer, so I bought a CPC 464. Things I like are the shared Z80 processor, decent RGB output, a repair friendly design and a proper BASIC implementation.
#10
I always found it odd that in the 2nd part of this game, there were no outlets to replenish your energy, making it rather difficult. Yesterday, I accidentally discovered that the sparkling robot is in fact here to help us refill our energy (I was trying to kill it 
).
I'm not sure that was a known thing, thus I'm sharing it with you. Anyway, it took me almost 40 years to discover this!
).I'm not sure that was a known thing, thus I'm sharing it with you. Anyway, it took me almost 40 years to discover this!