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My 464+ "Freezes" keys after loading some games

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rdkarlov:
Hi!

This is my first post here and can't find any sort of "Read First" so please excuse me if I'm in some way breaking any rules here. In that case I'll be accepting any pointers you give me.

I have some CPC's in my collection, among them a very nice 464 Plus.  The problem with this is that some games freeze the keyboard after loading. I don't have many tapes to test it with, and have been a bit too lazy to kludge a smartphone with a CDT player in it, but of the three tapes I tested only one worked.

Jet Set Willy II and Hundra will load, then play music and stop receiving any keyboard or joystick activity. Curiously the music keeps playing forever, so I take it the computer hasn't crashed. I press every key and controller buttons but nothing goes beyond the frozen screen and background music playing.

Heavy on The Magick works fine and I've been playing it for hours. Also, the Burnin' Rubber cart works flawless.

Any hints appreciated.

Gryzor:
Welcome mate!

The reason you didn't see a "Read First" is because there's no need for one :) All you need to know is in the message I sent you when you signed up. So, it's just common sense and respect for the others; apart from that feel free to make any "mistakes" (for the time being, I'm moving this to the Hardware Support section).

This is a weird problem, you mean external controllers don't work either?

SuTeKH/Epyteor:

--- Quote from: rdkarlov on 09:29, 12 October 14 ---I have some CPC's in my collection, among them a very nice 464 Plus.  The problem with this is that some games freeze the keyboard after loading. I don't have many tapes to test it with, and have been a bit too lazy to kludge a smartphone with a CDT player in it, but of the three tapes I tested only one worked.

Jet Set Willy II and Hundra will load, then play music and stop receiving any keyboard or joystick activity. Curiously the music keeps playing forever, so I take it the computer hasn't crashed. I press every key and controller buttons but nothing goes beyond the frozen screen and background music playing.

Heavy on The Magick works fine and I've been playing it for hours. Also, the Burnin' Rubber cart works flawless.

Any hints appreciated.

--- End quote ---

The great T&J has been sorting this issue out; his web-site has a number of CPC+ keyboard fixes.

EDIT: Ooops! Click on DIVERS on the left, then CPC+ BUGLIST. The list of fixed games is on the right (HUNDRA is one of them! ^_^)

CraigsBar:

--- Quote from: rdkarlov on 09:29, 12 October 14 ---Hi!

This is my first post here and can't find any sort of "Read First" so please excuse me if I'm in some way breaking any rules here. In that case I'll be accepting any pointers you give me.

I have some CPC's in my collection, among them a very nice 464 Plus.  The problem with this is that some games freeze the keyboard after loading. I don't have many tapes to test it with, and have been a bit too lazy to kludge a smartphone with a CDT player in it, but of the three tapes I tested only one worked.

Jet Set Willy II and Hundra will load, then play music and stop receiving any keyboard or joystick activity. Curiously the music keeps playing forever, so I take it the computer hasn't crashed. I press every key and controller buttons but nothing goes beyond the frozen screen and background music playing.

Heavy on The Magick works fine and I've been playing it for hours. Also, the Burnin' Rubber cart works flawless.

Any hints appreciated.

--- End quote ---
Hi rdkarlov,


First of all, welcome ;)


This souds a lot like the the Keyboard Scanning bug that was present in the Plus machines. Basically Amstrad made a very slight change to the way the keyboard was read in the 6128+ and 464+ this was 100% compatible with the old technique, so long as the programmers stayed within the documented techniques for reading the keyboard. If coders had used some other routines to read the keyboard then these no longer worked. these are the incompatible games you have, Elite is also one of them that used to annoy me no end when I first got my 6128+


Most of them now have been fixed (see the list above) and JSWII has a plus enhanced version around somewhere that you should try (@andycadley did that ever get a tape version released?)


Hope you have fun, I can recommend a Car CD Cassette adaptor and tapDancer from the android playstore(free) work wonderfully for loading.


Regards


Craig 

Gryzor:
Good thread. I had totally forgotten about that!

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