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Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... jump to the main interrupt routine:
ld hl,sample_jump ... />
;Main interrupt routine:
;-----------------------
interrupt_main
routine:
sample_jump
jp interrupt_main
;Colour ... -
Tips on optimizing some newbie assembly routinesI'm starting to learn some assembly language. The best way to learn is to actually code something you are going to use, so I'm creating a very simple…
... will try to mimick a tile based graphic mode. Basicly, I ... table of characters, and a routine which reads the grid and ... 8x8 tiles.
My routine reads from _MB23_grid a character ... -
Vote for your favourite loading border colourSo it is time for one more important voting! :razz: What is your favourite loading [B]border[/B] design? Since I guess most of us spent many many ho…
... [/B] (or any other single colour)
[IMG]http://i27 ... -
Colour of Magic (missing publ. ?)The loading screen for [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0006100"]The Colour of Magic[/URL] says [COLOR="Blue"]Copyright (C) 198…
... /infoseekid.cgi?id=0006100"]The Colour of Magic[/URL] says [COLOR ... -
can someone help with a rom routinei have been trying to draw a simple line with a the rom routine , but i just cant get it to work , so if anyone can give me an example in z80 that wo…
i have been trying to draw a simple line with a the rom routine , but i just cant get it to work , so if anyone can give me an example in z80 that would be great
TIA
CodenameV -
Hidden routine in loading screenAs discussed in another thread, the loading screen for [B]Back To Skool[/B] seems to have a hidden routine (in blue INK and PAPER). It would be inter…
... ] seems to have a hidden routine (in blue INK and PAPER ... -
+2A case colour - paint matching.I need to repaint a +2A. Can anyone recommend a spray paint that's a good colour match?
I need to repaint a +2A. Can anyone recommend a spray paint that's a good colour match? -
Colour clash on the Commode64?Was there any? Every now and again, I see a screen shot like this... [img]http://www.lemon64.com/games/screenshots/full/j/jack_the_nipper_02.gif[/i…
... ]
Where there's colour where you wouldn't necessarily ... it, if not limited by colour-clash!
(Jack's ... -
Doubling the Spectrum's resolution?Before the advent of digital, PAL TV sets had a resolution of about 702x576 pixels. It was overscanned (i.e. the edges of the broadcast picture would…
... page with an IM2 interrupt routine, it should be possible to ... save bandwidth, PAL broadcast the colour information (the hue and saturation ... -
2D Scrolling tile based editorOk, first of all, I thought TommyGun could do it, but the option to create a 2d scrolling map is greyed out.... All I want to do is create some 8x8p…
... screen widths wide where each tile is stored as an index ... into the tile array. eg.. 1,0,0 ... ,0,0,1 means Tile 1, 4xTile0, then Tile 1.... etc... u ... -
no colourany help please just fired up my spectrum 48k after many years at parents house keyboard works ok but it has no screen colour anymore jusy grey scale…
any help please just fired up my spectrum 48k after many years at parents house keyboard works ok but it has no screen colour anymore jusy grey scales is this a hard thing to fix and what is the problem board is 2nd revision long live retro gaming -
ZX80 Pause Routine?I read this in the first issue of Sinclair User... "Ken MacDonald's [I]Amazing Active Display[/I], a machine code pause routine, showed that there w…
... [/I], a machine code pause routine, showed that there was more ... know where or when this routine was first published? In a ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... 'car' by changing the paper colour of one character square to ... vertical stripes of black paper colour down the screen.
In ... 'djnz fillscreen'
Because our routine will continue from the loop ... test for a black paper colour.
Delete line 53. ... -
Great Speccy Demo - With Documented +3 Disk loader routineEveryone here should check this out. Its a demo called "condommed" which I have just finished converting from TRDOS disk to tap file and +3 disk. It …
... my +3/+3e disk loading routine in it.
Condommed ... -
Keyboard Issues When Setting Border ColourWelcome to the next in my series of inane 'Z80 on the Spectrum' questions! ;) Here's a minimal snippet of code for polling the keyboard until any ke…
... is to change the border colour (to black in this case ... -
Silent ROM Beeper Routine in SpinA new year -- a new idiot question! :) I've been playing around with Spectrum sounds of the old, beepy kind. When I wiggle[1] the speaker 'by hand' …
... Specrum's own ROM 'BEEPER' routine (48k ROM) in Spin 0 ... -
A side scrolling platform game with colour?Just a call to all the zx programmers that a mario/sonic type game needs to be done, love turbo the tortoise but colour is needed in this, even if i…
... , love turbo the tortoise but colour is needed in this, even ... -
Spectranet updateWell, I've not put an update in here for too long, so here's a summary of what's been developing ... * A snapshot manager module. Basically, you can…
... library, such as a resolver routine (gethostbyname, to convert a hostname ... software, such as the border colour and whether the 128K alternate ... -
Fastest fill m.c. routine ever?What is the fastest fill routine you've ever seen? Is there a listing somewhere? Most games and adventures that use fill routines were considered slo…
What is the fastest fill routine you've ever seen? Is ... />
Example of slow fill routine: The one in 'The Hobbit ... searched the forums for 'fill routine'.[/SIZE] -
machine code player routineHi all, Collecting all my courage to ask more (rather stupid attitude from me, but so difficult to ask questions and bother other people, don't unde…
... uses 23760 to call a routine and 23760 is old method ... need similar kind of playing routine ie. saved to first REM ... address XXXXX,
calls playing routine (without saving) to output the ... or how to do the routine itself.
Any suggestions ... -
ZX Spectrum colour palette - Equivalent 8-bit RGB values?I'm wishing to do some ZX Spectrum games screenshots on my Mac, but cannot find any information on the net which states what the equivalent 8-bit RGB…
... for the screenshots to be 'colour accurate' with a real ZX ... -
Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
Colour BoxesWell, working title. I don't have a name yet. Imagine a field with ladders to platforms left and right from a huge block of attributes. On every pl…
... a button to eliminate a colour (or shape if colours are ... down on other colours where colour disappeared). With the new shape ... colours and eliminate the next colour until the route to the ...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 ...Colour or Monochrome?The release of the game [B]Cheril Perils [/B]at: [URL]http://www.worldofspectrum.org/forums/showthread.php?t=30403[/URL] made me voice my preferenc…
... result of the Speccy's colour attribute system (and isn't ... a fair use of colour with some small colour clash? Personally, I ... colourful Spectrum games have noticable colour clash effects, but I think ... Chuckie Egg has some small colour clash, Everyone's a Wally ...Just for funJust for fun, imagine the Spectrum had a graphics mode where there were two attribute bytes per 8x8 block and each block had 2 bits per pixel choosin…
... screen memory layout.
Colour clash could be eliminated. The ... (although not as colourful as tile/sprite based engines).
Return to +3 BASIC from 48K mode.Hello Spec-Chums! I don't know if this trick has been posted before, if it has, i apologise, but i have not been able to find it. Anyway, here goes…
... 23354, which calls the ONERR routine will do the trick.
colour control codes in the basic ...Looking for cursor routineIt's been a long time since I programmed a little bit in Basic, so I decided to create a simple cursor routine: [url]http://db.tt/SPnSdpx[/url] I k…
... to create a simple cursor routine:
[url]http ... :razz: But considering the above routine, can someone please help me ... via POKE before launching the routine.
-The addresses where ... stored right next the last routine byte. That way everything ...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!General purpose full screen input routineHi Folks, One of the things that annoyed me back in the 1980s with most BASICs was the lack of a full screen "formatted" input function. You could …
... ) I have written an XINPUT routine for the Spectrum (in BASIC ... , the program is the XINPUT routine plus a test harness that ... *---------------------*
9010 REM PSS-XINPUT Routine
9020 REM Parameters:
