Search found 74 matches

by AndyKey
14 Oct 2018 20:16
Forum: OFF TOPIC
Topic: TURBO High scores Can you beat 3200 ??
Replies: 1
Views: 4089

Re: TURBO High scores Can you beat 3200 ??

http://www.nyangau.org/memotech/memofest2018.htm
has the proof Jim was the current Turbo expert at Memofest 2018.
by AndyKey
27 Aug 2018 14:04
Forum: MEMOFEST 2018
Topic: Pick a date
Replies: 6
Views: 8911

Re: Pick a date

At the moment I'm free for any weekend in October.
And, for hosting Memofest 2019, at a time to be determined nearer the time.
by AndyKey
11 May 2018 09:35
Forum: NEW HARDWARE
Topic: Rodents anyone ?
Replies: 17
Views: 18299

Re: Rodents anyone ?

A version of the MTX videowall could be driven by a mouse, but that was via serial port.
by AndyKey
22 Apr 2018 10:39
Forum: CP/M
Topic: Memotech CP/M System Sizes
Replies: 12
Views: 15472

Re: Memotech CP/M System Sizes

I believe 54K came first. It was 54K on the SM1 which preceded the FDX. The extra space alnost certainly was for the hard disk drivers. Around the time of the introduction of the SDX, someone decided to make a 59K version. I don’t know why. Perhaps it made it easier for SDX BASIC to work with it (al...
by AndyKey
17 Feb 2018 20:47
Forum: NEW HARDWARE
Topic: Keyboard replacement
Replies: 45
Views: 62931

Re: Keyboard replacement

General comments I did consider whether it would be possible to do something like this. I hadn't considered using a Propeller (or PIC or other micro-controller) based solution. I was originally thinking of using a CPLD to hold the mapping from PS/2 protocol to MTX sense grid. This is essentially the...
by AndyKey
17 Feb 2018 20:29
Forum: NEW HARDWARE
Topic: Keyboard replacement
Replies: 45
Views: 62931

Re: Keyboard replacement

On the subject of programs that drive multiple sense lines at once: You can try using MEMU to find such programs, eg: ./memu -s -v -diag-console -diag-kbd-sense games/ALPHA.COM | egrep -v "0x(ef|df|bf|7f|fe|fd|fb|f7) returns" The above displays nothing because I don't tend to do this in my...
by AndyKey
08 Dec 2017 19:05
Forum: PROGRAMMING
Topic: Coding in Assembler on the MTX
Replies: 7
Views: 10402

Re: Coding in Assembler on the MTX

M80+l80 or sdqsz80 to code
Memu to run

Would be my choice.
The diagnostic options on MEMU can be really useful.
by AndyKey
15 Oct 2017 19:17
Forum: PROGRAMMING
Topic: Memotest 2017 - Z80 coding contest
Replies: 27
Views: 31834

Re: Memotest 2017 - Z80 coding contest

My best submission is attached below. It has ; ; Memofest 2017 - Z80 coding contest ; Submission #3 by Andy Key ; PRNG16 is 41 bytes and 185T excluding final RET, as before ; PRNG17 is 55 bytes and 348T excluding final RET, now < 2*T(PRNG16) ; PRNG17 is 66 bytes and 266T excluding final RET, also po...
by AndyKey
30 Sep 2017 18:40
Forum: PROGRAMMING
Topic: Memotest 2017 - Z80 coding contest
Replies: 27
Views: 31834

Re: Memotest 2017 - Z80 coding contest

What are the first few results the PRNG17 function should produce...?

I think its
01181
1608D
0A75D
0BF68
1C71D
158E8
028F2
1C4A8
by AndyKey
05 Jul 2017 19:38
Forum: MEMOFEST 2017
Topic: Memofest 2017 Days?
Replies: 8
Views: 10363

Re: Memofest 2017 Days?

Any of the days ok for me