Search found 5 matches

by RobertK
Sat Jan 13, 2018 7:35 pm
Forum: Hardware
Topic: Chroma 81 - SCART and Colour interface for the ZX81
Replies: 133
Views: 8503

Re: Chroma 81 - SCART and Colour interface for the ZX81

However, a more robust solution is to simply reverse the order in which the game checks for the keys, i.e. if it does not detect keys 5 or 8 being pressed then it goes on to check for the SHIFT and Z keys. The attached version uses this approach. This version is perfect, thanks! Attached is the .co...
by RobertK
Fri Jan 12, 2018 8:06 pm
Forum: Hardware
Topic: Chroma 81 - SCART and Colour interface for the ZX81
Replies: 133
Views: 8503

Re: Chroma 81 - SCART and Colour interface for the ZX81

Ok, then I think we can call this finished and you may publish it on your web site if you want, together with your patched game file. Attached is a new patched version of the game that supports both the standard control keys and the cursor control keys. spaceraiders(standard_and_cursor_keys).zip Wow...
by RobertK
Fri Jan 12, 2018 12:46 pm
Forum: Hardware
Topic: Chroma 81 - SCART and Colour interface for the ZX81
Replies: 133
Views: 8503

Re: Chroma 81 - SCART and Colour interface for the ZX81

Have you tried making the blue and green characters forming the aliens the same colour, which would give their colouring full symmetry? We could of course make both "eyes" the same colour, but then we would have one colour less displayed on the screen. I thought that it won't look too disturbing in...
by RobertK
Thu Jan 11, 2018 2:35 pm
Forum: Hardware
Topic: Chroma 81 - SCART and Colour interface for the ZX81
Replies: 133
Views: 8503

Re: Chroma 81 - SCART and Colour interface for the ZX81

Last night I made my first attempt to colourise a game using the Program Enhancement Creator , and I must say that I was surprised how easy and effective it was. Before I started I had no idea what exactly I had to do, and later that evening I enjoyed playing the game in full colour on my real ZX81 ...
by RobertK
Thu Jan 11, 2018 8:09 am
Forum: Welcome Area
Topic: Hi from Austria
Replies: 4
Views: 138

Hi from Austria

Hello all my name is Robert and I am from Vienna, Austria. I was born in 1973 and I work as a software engineer. I collect old computers and enjoy using them occasionally. My collection comprises the usual suspects: ZX81, VIC-20, 800XL, C128, Amiga (the 1000 model!), ST, QL, TI-99/4A, two MSX models...