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DK'Tronics programmable Joystick InterfaceI recently acquired one of these along with the programming tape but no manual. It appears not to remember the programming on power off and has an A/…
... either program it with a piece of code
(I have ... manually you will not code diagonals.
How to code manually:
... (right)
Press a key for the direction wanted ... coding all directions set switch to left
Your ... -
Why don't you like homebrew games?Alright folks, I'm sure that there are a lot of people here who like the releases from Bob Smith, Jonathan Cauldwell, CEZ Games Studio and the likes…
... polishing (not limited to speccy).
Games look dull, not ... eventhough we are living in a new millenium. We need quick ... better not to push the limits of a 8bit machine to code "zx ... resident evil", it's better to code a ... -
Packing numbers in as least memory as possibleI am writing some code for drawing vector lines etc. on the screen. These need to be stored in memory and I want to pack them in a smaller area as po…
... were plotting, you could use a look-up table.
For example, ... bits to hold each, and a look-up table which matched those 4-bits to the ... . You have to calculate what will be the shortest code.
... room we create with this code
(i.e. when ... -
Brand new 3.5 inch floppy drive with a Disciple InterfaceHi folks, I just acquired a disciple interface and have bought some brand new "pc" floppy drives to use with/on it but cant get them to work. I found…
Take a look at steve's links in ... ]
it shows how to rewire a standard floppy cable so that ... , 12 (I think) are swapped to run in the sequence ...6 ... added.
Give it a whirl. -
Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?
... technics from how to make a program that simulates a (part of a) routine is ... BASIC:
Suppose you want to calculate the remainder (r) of ... of a number (n) divided by 8 in Machine code is simply ... /> This would take 7 tstates to run (< 4 microSeconds) which ... -
Specdrum 3 W.I.PIts a new app so i needed a new thread sorry :) I am sorry i have been neglecting this site and i have been working hard on Specdrum 3 Honest i hav…
... in the day had a chance to have a SpecDrum, still don't ... tracks and allow the user to select how the conversion should be ... you know how to provide a simple machine code program to load such code and play ... it. I wish I knew how to explain this in real musician ... -
Englandwhat do you think of england do you think england should have nuclear weapons are you proud of england if a foregin country invaded england do you…
... /> One really needs to take a more than superficial look at what has ... against each other in order to maintain power, supporting one ... power left, however one wonders how a self-governed nation would have ... behind. Karma always has a way to deal with the bullies ... -
Englandwhat do you think of england do you think england should have nuclear weapons are you proud of england if a foregin country invaded england do you…
... One really needs to take a more than superficial look at what has ... power left, however one wonders how a self-governed nation would have ... behind. Karma always has a way to deal with the bullies ... conditioned home to order in a pizza and drink a cold beer ... -
What can I use to rip AY tunes?Because I really like the music from Dragonia, but it isn't in the AY archive. Does anybody know of a program that I can extract it with? [SIZE="1"…
... file from a commercial game without having to understand the original code...
up into a .AY file? That way, the original music code wouldn ... there isn't much freedom how to play a peculiar note.
And where's Martijn?I've noticed that Mr. WoS himself has been very quiet recently ... and there haven't been any "What's New" updates in over a week! o.O Martijn! Hel…
I hear Digital Prawn is hiding in a basement somewhere working out how to code himself down into one line.And where's Martijn?I've noticed that Mr. WoS himself has been very quiet recently ... and there haven't been any "What's New" updates in over a week! o.O Martijn! Hel…
... is hiding in a basement somewhere working out how to code himself down into ... /> Hehe, I do like to pop in to chit-chat very occasionally ... /> Now remember, this is not a toy, it is an instrument ...Your favourite old arcade game clonesOld arcade games i.e. Space Invaders, Galaga, Pengo, Centipede, etc. I know it's far easier now to play the original version, and that's usually my p…
... /> Does anyone know how to make a modified version to make use of the ... somehow I seem to have a snapshot of a 128k version that ... does look as if someone HAS done this already. Hmm how strange ... just modified
it a bit to use the correct joystick and ...On Reflection - New ZX AdventureI have just played this through and it's ace, will provide a mini article and walk through solution if anyone is interested?
Just started playing this, managed to get out of the car just fine, all I really want is to know how to get a re-description of the location. LOOK doesn't seem to work and I can't find the correct verb. Anyone?The madness of the GeorgiansWhatever the rights and wrongs of the matter (which I don't really know), I think the Georgean leadership has been guilty of gross incompetence if th…
... would take too long to set them up, so they had the ... combinations set to all zeros ( ... launch code - it took two LCFs (launch control facilities) to start a launch ... LCF, with an explanation on how to launch a nuclear missile:
Wrong TAPs in some gamesKING ARTHUR'S QUEST: The TAP file don't include the aditional levels that TZXs do. MAX HEADROOM: TAP file don't have the aditional level of side B. …
... .org/infoseekid.cgi?id=0002368"]How to be a Hero[/URL] (Mastertronic Added ... ?id=0004025"]Randex[/URL] (R.A. Soft, 1996)
- [URL="http ... "]S.T.I.[/URL] (Bug-Byte Software Ltd, 1988)
- [URL ... advance if you are able to help reduce the list!SCR thumbnail provider for VistaUPDATE (29.Aug.2008 ): Source available (under MIT license): [url]http://code.google.com/p/zxthumbs/[/url] UPDATE (05.Aug.2008 ): Providers now supp…
... needs to modify or recompile my thumbnailers, I started a google code project ... change it to MIT if I managed to learn how to change a project license ... .
[url]http://code.google ...Print ATHello, Can someone please tell me how to do a Print AT command? Thanks,
... /> Can someone please tell me how to do a Print AT command?
to do a PRINT AT command. Change the coordinates and character code to ... 10,20.
[CODE]
LD A,2
CALL #1601 ... /> RST 16
LD a,65 (character code)
RST 16
+2a datacorder problemsHelloooo, how's it going? Reason I'm posting is that 1) I'm a massive speccy fan, it was the first range of computers I ever owned 2) I'm having rea…
... of such a thing (not being wired up). I have a +3 ... which's motherboard is supposed to ... it very hard to be replaced, take a look in this picture ... soon as you power it up. This is not the ... it does tell you how to replace a ULA chip. Which seems ...How would you make Cybernoid a better game.Following on from the Cecco thread, it might actually be quite interesting to hear people?s views on how they would improve the recognised ZX Spectru…
... 've worked out how to do a few more changes to Cybernoid.
Animated ... 2 types of bottom to up patterns.
[code]; E0 = shoot
; ... DEFB $E2, $0C, $00, $FE ; up 13 x2 speed
DEFB ... ; up 50 x 2 speed
DEFB $E1 ; repeat from _9CC3[/code ...Just wrote my first useful working Speccy BASIC program in years...A nice UK National Lottery number generator. And not just any lotto number generator either. This one generates 8 lines of 6 numbers without replace…
... ;313507]
I wonder how long before a 1-line version surfaces ... /> Couldn't resist:
[code]
10 REM Lotto-picker ... RANDOMIZE : LET a$="": FOR f=1 TO 49: LET a$=a$+CHR$ (f): NEXT ... *LEN a$): PRINT AT g-1,8+((f-1)*3);" "( TO (CODE a$(b ...16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…
... it to search past the end of the close stream look-up table if ... the machine as the matching byte must be found somewhere in ... being closed.
This leads to a bug whereby
10 OPEN ... Spectrum, comes very close to crashing.
A second CLOSE #7 command ...Assembly (getting my bearings)I wish the WoS book database was organized by theme and contained reviews :) I need your folks help. I'm interested in bringing my assembly into the…
... to come back and view. There's also Jonathan Cauldwell's how to ... write a game and, of course ... I just seemed to have problems compiling the code which I didn ... the threads in here in how to do stuff, but I think ...Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... they'd be pleased to write a bit of code to make it easier ... too. But after a while I just gave up on it, partly ... 'd find it ugly to have a 32-byte machine-code block located separately ... from the main demo code ( ...What to write next...?Having not being blessed/cursed with such a mad & rampant imagination as Mr. Cauldwell I'm always after ideas for new spectrum games to write. It's …
... had an idea a few years ago to do a speccy version of ... BeatMania. I planned to use ... than mocking up some screen shots and planning out how to code it. Then ... the idea mutated a little and I ended up ...how to reflect a byte's bit-pattern in assembly?I'm trying to use 16 pixel-wide graphics which are symmetrical around the vertical, i.e. if the left byte is 01001110 the right byte will be 01110010…
... do it:
[code]
;A contains byte to be mirrored
LD ...
RR D
LD A,D
RET
[/code]how to reflect a byte's bit-pattern in assembly?I'm trying to use 16 pixel-wide graphics which are symmetrical around the vertical, i.e. if the left byte is 01001110 the right byte will be 01110010…
[quote=Metalbrain;329603]Why so complex?[/quote]
Oops. Didn't realise it was an optimisation challenge in how to mirror a byte in order to build a table :Dhow to reflect a byte's bit-pattern in assembly?I'm trying to use 16 pixel-wide graphics which are symmetrical around the vertical, i.e. if the left byte is 01001110 the right byte will be 01110010…
... in most
"print-graphic-to-screen" routines. (And printing ... /> It all depends on how you draw the sprites. I ... draw routines. In this case, a look-up table for mirroring is probably the ... unless you have enough memory to store pre-shifted mirrored versions ...Biggest gaming disappointmentsThe biggest let down I can remember was Matthew Smith's type-in Andre's Night Off. Surely there would be some magic in those few lines of code you ty…
... was/is very talented, look at the Sentinel or F1GP ... no new F1 game in a long time from him. ... "got" how to make a racing game controllable with a typical joystick ... racing games have ever seem to have done well.
... on the BBC Micro, a good frame rate and the ...King Valley 1st level challengeCan anyone work out how to get past [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0012890"]King Valley[/URL], level 1. It should be easy, a …
... done so much to preserve/ make available to a wider audience.[/QUOTE]
to get a more in-depth look into the game ... although I don't know how to do this - he always respawns ... a creature icon, as if somehow this has to be reduced to 00 to ...King Valley 1st level challengeCan anyone work out how to get past [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0012890"]King Valley[/URL], level 1. It should be easy, a …
... haven't yet found a way to exit level 1.
to die a lot by running into ... too difficult to get a more in-depth look into the ... although I don't know how to do this - he always ... a creature icon, as if somehow this has to be reduced to 00 to ...
