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clarification needed of assembler graphics routineI was wondering if someone used to coding animated graphics in assembler can take a look at [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/as…
... /~jg27paw4/pourri/asmchunk.txt]this routine[/url] and explain what the ... -
unusable KEMPSTON JOYSTICK in gamesSome ZX games use bad routine for read kempston joystick port. For example game BLOOD VALLEY read kempston joy from port #DF ( BIN 11011111 ). This s…
Some ZX games use bad routine for read kempston joystick port. ... this routine can be erased instruction IN A,(DF)... Press key "A ... and show debugger at next routine for reading joy...
[ ...
6) start assembler via key "A",ENTER and rewrite instruction ... -
+3 assembler questionI was wondering if anyone could give any suggestions as to how to get this bit of code working on the +2A/+3 in 128k mode. It works on the +128k/+2 i…
... mode. When it enters the routine the 48k ROM is paged ... "CONTINUE"
CALL $1f54 ;BREAK-KEY
JP C,$12cf ;MAIN ... -
ula bookula book is here: [url]http://www.zxdesign.info/book/[/url] can i post sam coupe stuff here - she kind of is a speccy if you stuff the speccy rom i…
... press numeric keypad numlock on key number nine to boot disc ... letters move 50hz - pity same routine cant be used to display ... -
Simultaneous key presses in BASICIs there a way to check for 2 simultaneous key presses in BASIC? I use if inkey$="z" then goto... but that only lets me check for 1 key press at a…
Is there a way to check for 2 simultaneous key presses in BASIC?
I use
if inkey$="z" then goto...
but that only lets me check for 1 key press at a time. -
Sprite RoutineI was wondering if anyone could point me in the direction of a really basic example of a per-pixel sprite routine? Preferably commented. The screen …
I was wondering if anyone could point me in the direction of a really basic example of a per-pixel sprite routine? Preferably commented.
The screen layout confuses me so much! -
Help needed with simple MCode routineI'm trying to code a routine to clear the screen and I can't figure out why it's not working: ld hl,16384 ld bc, 6144 loop:ld (hl),0 inc hl dec bc l…
... 'm trying to code a routine to clear the screen and ... -
Car key fobs...Not sure if we have any mechanics on here that can help but, I recently bought a 53 plate Toyota Avensis T4 - I needed something new, my Ford Cougar …
... unlock the car with the key sets the alarms off. ... for re-flashing the key and feed you some ... www.ehow.com/how_5701104_program-toyota-key-fobs.html"]How to ... Fix Toyota key fobs[/URL] - everything but ... everything but the damn key will not re-flash!< ... -
Why doesn't my routine work?I have a "level" defined by 504 bytes (28 squares across x 18 squares down) I'm trying to write a routine that will take an X,Y coordinate in pixels…
... 'm trying to write a routine that will take an X ... -
A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…
... an asm Bresenham's drawing routine. The routine was shorter an faster ... every call to the PLOT routine, the coordinates were being ... Bresenham's algorithm. This ASM routine "pokes" itself at the ... .
NOTE: This routine should draw at any location ... -
Screen$ command, ROM routineHi All, Does anyone know which ROM routine to call for the Screen$ command (and/or the ATTR command)? Any comments on how well it works or the spee…
... /> Does anyone know which ROM routine to call for the Screen ... -
Rubber Key ZX Spectrum - White ScreenA customer has just telephoned me about a rubber key 48K ZX Spectrum which he has purchased second hand. It produces just a white screen on the tele…
... telephoned me about a rubber key 48K ZX Spectrum which he ... -
Fao dmboozefreekIf you've been following the news recently, you know that even Mr. DMBooze Freek's horoscope says he's cocky. However, you might not know that DMBooz…
... , but such statements are the key to explaining why I am ... there a God?", if we redefine in practical terms the immutable ... -
IM2 calls to player routine on 128k?Hi all, Apologies for being crap, and not even in a funky, skillo kind of way but it's been over 20 years since I last wrote anything in machine cod…
... found that calling the play routine before halt keeps munging my ... -
Utility or routine to save/display imagesLet's assume I have an image or sprite at coordinates x,y with w witdh and h height. If I were to store this image, which storage method would allow …
... an utility or any available routine that would allow me to ... also have a machine code routine which can turn an are ... -
Wanted: Spectrum+ KeyYes, I was silly and bought a Spectrum+ from E-bay - it looked very sad and lonely in its picture, and I felt sorry for it. It has received lots of …
... , I am missing the "Break" key.
Does anyone have ... -
Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... of a good proportional printing routine for the ZX Spectrum? Ideally ... -
Speeding up select processing...Hi Folks, I have the following code in my program and it works fine but is rather "sluggish". I have even moved it to the beginning of the program …
... right or ENTER then the routine exists allowing page left/ ... store the code of the key that has been pressed< ... the code of the last key pressed and branches to ... 290 [/B]- if the key pressed is not left/right ... new row number depending on key pressed. If the bar ... -
S.P.A.C.E. : Single Player All Cardgame Emulatoryes, I am working on my dormant project for many years. So what is it? First of all, the idea is not mine, but stolen from a program I once had …
... are :
- a card swap routine (front/backside)
- a menu ... define multiple functions under a key (you can record the restart ... and store it under a key)
- a saving mechanism for ... -
Article about ZX spectrum games and key developersHi everyone, I'd just like to introduce myself. I've written an article about the ZX Spectrum / ZX81 which examines what I feel is the key developers…
... what I feel is the key developers from the time (a ... -
Pixel Pimp, graphics utilityHi All, [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/pixelpimp.gif[/IMG][IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes…
... use the ROM save/load routine, in the end I decided ... be horrid on a rubber key as I'm using cursors ... -
Key to the Kingdom board gameAnybody played Key to the Kingdom? It looks excellent to play with a few beers... :-) Here's AVGN's alter-ego Board James' review. [youtube]tlfAQ33…
Anybody played Key to the Kingdom? It looks excellent to play with a few beers... :-)
Here's AVGN's alter-ego Board James' review.
[youtube]tlfAQ33YE1A[/youtube] -
WHAM Music box help.As you've probably read Mark is also doing the tunes for Dingo. However, I have a problem and I can 't seem to find a solution to it. "[i]I can't ma…
... to the end - if a key is pressed the playing stops ... finished [I]or [/I]a key is pressed. And whatever option ... the end even if a key is pressed?
Here ... one of Mark's jingles. Routine is at 60000.
[url ... -
tiny routine to shift RAMTOP & stackCompressing some data areas above RAMTOP and wanting to make the released space available for BASIC arrays, I needed to move RAMTOP without using CLE…
... last segment of the CLEAR routine to finish off. It could ... -
Problem with a small basic routineDear all; I have been messing about with a routine (originally published in Your Computer 1982, by Tim Langdell). The idea of the program is to simul…
... been messing about with a routine (originally published in Your Computer ... -
Happy Birthday Grey KeyHappy birthday to grey key and Gerald! [IMG]http://t1.gstatic.com/images?q=tbn:ANd9GcThLsIEDM364esg16F234woKPkGYnAXQUjwcLx56LxfKibp3dit[/IMG]
Happy birthday to grey key and Gerald!
[IMG]http://t1.gstatic.com/images?q=tbn:ANd9GcThLsIEDM364esg16F234woKPkGYnAXQUjwcLx56LxfKibp3dit[/IMG] -
Using the ROMs PRINT routineI really am starting from scratch again it seems, but how do you utilize the ROM routine to print characters, I think you point te BC register to an …
... do you utilize the ROM routine to print characters, I think ... -
joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…
... really - here's a routine to join together lines of ... is based on the routine "Edit Key" by M.Loftus from ... s some other keys / key combination which could be ... on a ":", press some key combination, divides the line ... not sure what keys / key combination to use to ...
