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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…
... lines of BASIC. The vertical cursor motion code is based ... well - edit a line, position the cursor on a ":", press ... DE,HL ;DE=new cursor position
LD HL,(23641) ... DE,HL ;DE=new cursor position
LD HL,(23649) ... -
SEUD - How to - Part IOK, a few weeks ago, I bought my copy of SEUD to make my first game on the Spectrum after 26 years! :) I'm learning it yet, but I'll show to you my a…
... the direction of the game (vertical or horizontal), you will create ... can change the titles and position of these or remove one ... of the game window, the position of it on the screen ... -
Chequered Flag vs Pole Position[CENTER][IMG]http://www.worldofspectrum.org/showscreen.cgi?screen=screens/in-game/c/ChequeredFlag.gif[/IMG][IMG]http://www.worldofspectrum.org/showsc…
... awesome, whereas I found Pole Position a boring game, a strange ... -
BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
... lin[NUM_TILES]; // hi-res vertical tile position
int col[NUM_TILES]; // hi ... horizontal tile position
int dlin[NUM_TILES]; // hi-res vertical tile movement ... -
BIFROST* Advanced Programming - part 2This second demo shows animated and moving tiles together, and also how to implement collision detection. This knowledge should be enough to implemen…
... lin[NUM_TILES]; // hi-res vertical tile position
int col[NUM_TILES]; ... horizontal tile position
int dlin; // hi-res vertical tile ... calculates the tile map position that will be behind the ... -
BIFROST* Advanced Programming - part 3This new demo demonstrates the BIFROST* built-in sprite support that I mentioned before. In BIFROST*, "sprite tiles" are 2 special tiles that BIFROS…
... linEnemy, linPlayer; // hi-res vertical tile position
int colEnemy, colPlayer; // hi ... horizontal tile position
int dlinEnemy, dlinPlayer; // hi-res vertical sprite movement ... -
BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... lin[NUM_TILES]; // hi-res vertical tile position
int hrc[NUM_TILES]; ... tile position
int dlin[NUM_TILES]; // hi-res vertical tile ... or passing behind fixed position tiles. But if the ... -
Vertical Shoot'em Up's: Humans.Ok. This topic is about those vertical shoot'em up's in which you control a human. Why? Because I say so. It's just a nitpicking categorization. And…
... . This topic is about those vertical shoot'em up's in ... -
Vertical Shoot'em Up's: Ground Vehicles.Ok, the topic says it all. We're talking about tanks, jeeps, cars, pogo sticks and futuristic vehicles (as in Marauder). There's no really substanti…
... in the gameplay from the Vertical Shoot'em Up's with ... is among the finest Vertical (and non-vertical) Shoot'em Up's ... -
Vertical Shoot'em Up's: Spacecrafts.what's missing? for updated lists look [URL="https://sites.google.com/site/concealedwords/home/zxspectrumgames/vertical-shoot-em-up-s"]here[/URL]. …
... .com/site/concealedwords/home/zxspectrumgames/vertical-shoot-em-up-s"]here ... -
Corrupt paper on zx spectrum 48kHi. When I power up my spectrum (issue 3) I get the light grey border, but the paper is black and it switches between thin red vertical lines and thi…
... thin red vertical lines and thicker blue horizontal lines (position and length ... -
Another vertical scrolling questionwhile talking about w256 x h128 vertical scrolling, are 128k modes have any advantages over 48k models? has extra ram or swappable screen buffer any…
while talking about w256 x h128 vertical scrolling, are 128k modes have any advantages over 48k models?
has extra ram or swappable screen buffer any use on scrolling? -
Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …
... determine the pixel position. The instruction AND ... the character cell position as a multiple ... ld a,(ycoord) ; fetch vertical coordinate.
ld e, ... a,e ; restore the vertical.
and 192 ; ... -
Vertical XOR filler.. anyone?Hi, I was just wondering whether a vertical filler using XOR has ever been used on Speccy demos/games and if yes when for the first time? Just tryin…
Hi,
I was just wondering whether a vertical filler using XOR has ever been used on Speccy demos/games and if yes when for the first time? Just trying to find some references.. -
How to get the current line position of a +3e's text window?Does anybody know how to get the current line position of a [url=http://www.worldofspectrum.org/zxplus3e/]ZX Spectrum +3e[/url]'s text window? I've r…
... to get the current line position of a [url=http://www ... -
Vertical Lines Spectrum +3Hi, My Spectrum +3 boots up and shows the following: Grey border with vertical black lines: http://www.sinclairzxworld.com/viewtopic.php?f=22&p=19…
... following:
Grey border with vertical black lines:
http://www ... -
Screen address of PRINT position...Hi Folks, The following code uses DF CC system variable to extrac the screen address for a PRINT position. [code]100 CLS 110 PRINT AT 10,16;…
... screen address for a PRINT position.
[code]100 ... -
Strange things about my +2AHello everybody I´m from Spain and first of all I want to thank you the oppotunity of join to this forum. And second, my problem. I have and old…
... map of the empire, violet vertical bars and bye bye, just ... have then in their correct position, but the problem remains.
Where does the the Spectrum store the PLOT position ?So try this and it works just fine. The Spectrum must store the PLOT position somewhere as the line moves along. I'm sure someone knows where this is…
... Spectrum must store the PLOT position somewhere as the line moves ...48k spectrum problems at bootHey guys so my 48k Specfy, Issue 3B is having some issues. They're not entirely consistent but the majority of the time (95%) it presents itself as m…
... bands of video noise with vertical black and white banding and ... but it only changes the position of some of the coloured ...Zx Spectrum 48k vertical black lines on boot problemHi all! I've just bought a Zx Spectrum 48k one eBay: all it was working goof but I made a mistake: I've extracted the Kempston interface before pl…
... the machine I get these vertical black lines and I have ...Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…
... getting a blue and white vertical candy-striped pattern. Occasionally I ... lift the 4116 from its position, the whole chip package shattered ...Nasty vertical pattern on a 128K Toast Rack via RGBI managed to fix the busted membrane on my [url="https://www.worldofspectrum.org/forums/discussion/55755/got-myself-a-128k-toast-rack-plus-a-simple-a…
... , I noticed a strange, wavy vertical pattern in the display bitmap ... (here, the moiré makes the vertical stripes harder to see):
vertical lines around high-contrast areas ...looking for a vertical scrolling routinein basic or like the standard scroll? routine but the other way round with the scroll? removed (this would have to be in code). ive tried a couple of…
... a couple of things like Vertical Downward Character WrapScroll here http ...1st steps in animation Having finally resurrected my familiar old graphics programs, chief amongst which is DPaint Animation, I was a little taken aback to reali…
... decided to try a sinuous vertical snake like motion. Starting with ... whilst the eyes only change position maybe three times but dont ...ZEsarUX 8.0 stableHi! I've uploaded a new FINAL stable ZEsarUX version, 8.0 :) You can download it, as always, from the url: https://github.com/chernandezba/z…
... window
-Some windows geometry (position, size) are saved in the ...
Fixed bug on CPC vertical scrolling
Fixed segmentation fault ...ZX Spectrum +2B 128K sound distorted and vertical jailbars. How to fix it?Hello, I have a ZX Spectrum +2B 128K (Issue 4 Motherboard) which suffers from sound distortion (the AY music is loud and distorted) and also very fa…
... distorted) and also very faint vertical jailbars in the middle of ... ?
Regarding the issue of vertical jailbars I found fix for ... ) but I also have this vertical jailbars even noticiable on RGB ...line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
... />
........LD B,100; from position x = 100, y = 176-100 ... loop
........RET
Vertical lines askes some more programming ...
vloop.LD E,A ; position in byte
........PUSH AF ...Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... are 8 character lines (8 vertical rows)
3. ... 8 scan lines (8 vertical pixels per character line)< ... ,12) occupies the 8 vertical scan lines denoted by " ... to plot, as bit position from the left. Here ... right from the current position. You will soon figure ...AY-3-8912 help !Hi all. Happy new yeay. I'm new to spectrum programming, and am interested in writing some music for the +2 AY chip. The problem is...I cant find …
... /50s during the Spectrum's vertical blanking interrupt. Most of the ... one of the sample songs, position the virtual tape toward the ...
