Spectrum Computing

sn3j

ParadigmShifter wrote: ↑Tue May 07, 2024 10:22 pm Spec... the final front ear

Oy! *bash*

sn3j

WallyX wrote: ↑Wed May 08, 2024 1:43 pmBuggy Blast

that's it

your go

sn3j

Unfortunately no right guesses so far.
Will this help?

And a little clue if required:

Spoiler

You could think of it as an early FPS.

sn3j

A bit more:

sn3j

Juan F. Ramirez wrote: ↑Tue May 07, 2024 11:42 am Yep, I thought it was going to be harder.

Har har. I always thought the colours are wrong, it should be green/red.

Juan F. Ramirez wrote: ↑Tue May 07, 2024 11:42 am Your turn!

This is from a loading screen. There's a connection to one of the recent threads here.

sn3j

Juan F. Ramirez wrote: ↑Tue May 07, 2024 10:52 am That's a terrible game that I couldn't get it back in the day, formtunately.

My turn:

Fred?

sn3j

Here's the palette from Fuse. And below, the same pic in ZX Paintbrush. I think Paintbrush is more accurate. Notice how blue and bright-blue hardly differ? In Fuse the contrast is somewhat cranked up beyond what's true on a CRT I think. And the non-bright red comes out as fox brown. :? https://i.pos...

sn3j

pavero wrote: ↑Wed May 01, 2024 6:13 pm BTW, via "Add a new (MIA) title/entry" you can still edit your new added entries (select the title and press "Edit" button). So for example you can change the author of Cinema.

I've just edited it out, thanks for the hint.

sn3j

pavero wrote: ↑Tue Apr 30, 2024 9:26 am Just press "Show/Hide All" button and you will see the second entry.

works now, thank you

sn3j

This problem seems to happen when the original publication was published in parts, spread across different magazine issues. I will ask @pavero to check the submission forms code. In the meantime, please submit it as "Original=No" (with a short comment) and I will adjust your submission ac...

sn3j

I did a few titles from Hebdogiciel mags but when I try to generate the request there's a popup "Original = Yes must be specified only once!". No idea what's causing this.

sn3j

flatduckrecords wrote: ↑Mon Apr 29, 2024 7:06 pm I've added a few more, this time from TILT magazine.

I noticed from the recent changes list that @sn3j has already done a couple, so I've only updated the others.

I did: Helicos, Hop Hop, Harbor 2090, Schtroumpfs, Billard, Roger Le Macon.

sn3j

is a game like "Roads of Rome" solvable with your algoritm? those type off games are rather easy and after every clearing new paths are possible. Roads of Rome seems to use a hexagonal grid. The serfs move in a straight line vertically and horizontally though, but that could have been smo...

sn3j

I know that I'm several days late on this subject with answers that are going to be superior to mine, but I would like to say that for my game F'n Balls, I used the Wavefront algorithm for my pathfinding needs. It ran quite quickly and took a nominal amount of memory to implement. I write about it ...

sn3j

test HL = 0x3300 xor A --> a == 0 sub L --> 0x00 - 0x00 --> not carry sbc A,A --> A = 0x00 cpl --> A = 0xFF or H --> fail, because H does not depend and the result will be less than or equal to 0 Do I understand correctly? Argh - right, this is not working with positive high-bytes... too bad. :| Id...

sn3j

but than it is slower than 24ts case. 4*5+10=30. might be useful if HL cannot be destroyed, though. but then we have 18/32 version, which is not much slower, and sometimes faster. still, might be useful for stable timings. Yes, and maybe A is already 0 from a previous operation which would allow us...

sn3j

Antonio Luque wrote: ↑Thu Apr 25, 2024 12:36 pm This takes 26ts, but preserve HL:
Code: Select all
xor a
sub l
sbc a,a
sub h
jp m,GreaterThan0

ketmar wrote: ↑Thu Apr 25, 2024 1:13 pm sadly, this doesn't work with $8000. that pesky $8000 again!

This could be fixed by:

Code: Select all

xor a
sub l
sbc a,a
cpl
or h
jp m,LessOrEqual0

sn3j

Yet another one:

Code: Select all

ld a, h
add a
jp c LE_0
jp nz GT_0
; deal with cases 0..255 here
or l
jp z LE_0

Average would be something along 23.05 T.

sn3j

Here's another one:

Code: Select all

ld a, h
add a
jr c LE_0
or l
jr z LE_0

which is 31T for Zero, 20T for negative numbers (50% of all cases) and 26T for the positive numbers.
Average should be 23T, depending on how your cases are distributed.

sn3j

_dw wrote: ↑Thu Apr 25, 2024 9:28 am the first one is identical, but the second code does something different than you expect. Because 0x8000 will underflow into positive numbers.

yes this is not right, I'll remove it from my post... thank you

sn3j

Maybe if you take the upper part after a DEC and check for bit 7? Something like posted by @_dw above -

Code: Select all

ld a h
dec hl
or h 
jp m LE_0

and add an INC HL before jumping if you need the original value.

sn3j

Music Entertainer - Homecomputer 1984/12 p 35
Can't verify though as no PDF for that issue is available.

Loading screen from the TZX:

sn3j

Ops, this magazine was duplicated by mistake! This is the correct link, including these type-ins: https://spectrumcomputing.co.uk/issue/10463/Happy_Computer/1 EDIT: It seems Happy Computer was originally called "Hobby Computer" in the first issue only. ok I've found the issue number for 8...

sn3j

PS: Regarding German titles, do you know where to find these? https://spectrumcomputing.co.uk/list?group_id=1055&lang=german No idea. I've found a full scan of Hobby-Computer 1983/11 in my download folder, it's not in your database. https://drive.google.com/file/d/11E_W1lePVps-d3Y1B8Tp13nJOOMWB...

sn3j

Please mark it as starting at page 17. That's not exactly accurate, but it's the only page reference we have. done Hupschraubär Pilot - Happy-Computer 84/11 p 74 Manic Train - Computer Kontakt 85/03 p 29 Mensch ärgere Dich nicht - Happy-Computer 84/09 p 40 I see that Neil Parsons already did Hunter...

Spectrum Computing

Search found 514 matches

Re: Guess the screen$

Re: Guess the screen$

Re: Guess the screen$

Re: Guess the screen$

Re: Guess the screen$

Re: Guess the screen$

Re: Guess the screen$

Re: HELP WANTED: Magazine type-in page numbers!

Re: HELP WANTED: Magazine type-in page numbers!

Re: HELP WANTED: Magazine type-in page numbers!

Re: HELP WANTED: Magazine type-in page numbers!

Re: HELP WANTED: Magazine type-in page numbers!

Re: Simple path finding algorithm in assembler

Re: Simple path finding algorithm in assembler

Re: jump if signed 16-bit number is >0, <=0, fastest code

Re: jump if signed 16-bit number is >0, <=0, fastest code

Re: jump if signed 16-bit number is >0, <=0, fastest code

Re: jump if signed 16-bit number is >0, <=0, fastest code

Re: jump if signed 16-bit number is >0, <=0, fastest code

Re: jump if signed 16-bit number is >0, <=0, fastest code

Re: jump if signed 16-bit number is >0, <=0, fastest code

Re: HELP WANTED: Magazine type-in page numbers!

Re: HELP WANTED: Magazine type-in page numbers!

Re: HELP WANTED: Magazine type-in page numbers!

Re: HELP WANTED: Magazine type-in page numbers!