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quick - Zx80 ASM questionWhile I am ploughing through lots of ASM listings, one of my earlier adaptation attempts surprised me [B][asm code][/B] [code] org 32768 start: ld…
... am ploughing through lots of ASM listings, one of my earlier ... surprised me
[B][asm code][/B]
[code]
Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... . If hardware scroll is supported, use smoth scroll (1 pixel scroll). In this ... supported, use 2 pixel step scroll. Also this code need more ... />
My idea for hardware scroll is simple. Store in a ...A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... pixels
uchar dy; // signed vertical speed in pixels
};
ASM at End of File
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…
... together lines of BASIC. The vertical cursor motion code is based ... out of editing mode to scroll up/down through the full ... />
Not being able to scroll through the listing while editing ...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 ... on the screen and the scroll direction. Note that depending of ...Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…
... of the available routines to scroll the entire screen in any ... that would allow me to scroll a specified column (1 x ...Deceiving gamesWhat games you had good expectations. Games which yourself hope to have been better the more you played, but simply doesnt evolved. The first which …
... style cover, good and smooth scroll.. reasonably good controls, graphics and ... to be a kind of vertical [I]Defender-cross-SpyHunter[/I ...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. …
... /> int lin[NUM_TILES]; // hi-res vertical tile position
int col ... /> int dlin[NUM_TILES]; // hi-res vertical tile movement
int dcol ...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…
... [NUM_TILES]; // hi-res vertical tile position
int ... int dlin; // hi-res vertical tile movement
int ... ) {
// frame sync
asm("halt");
}
...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…
... , dlinPlayer; // hi-res vertical sprite movement
int ...
// frame sync
asm("halt");
// erase ... ) {
// frame sync
asm("halt");
}
...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 ... dlin[NUM_TILES]; // hi-res vertical tile movement
int ... ) {
// frame sync
asm("halt");
}
...BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…
... int linPlayer; // hi-res vertical tile position
int ... dirPlayer; // hi-res vertical sprite movement
int ... {
// frame sync
asm("halt");
}
...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 ...BIFROST* Advanced Programming - part 6The purpose of this demo is somewhat different from previous ones. Instead of teaching a new technique, the main goal here is to demonstrate how much…
... int linPlayer; // hi-res vertical tile position
int ... br /> // frame sync
asm("halt");
// ... br /> // frame sync
asm("halt");
// ...multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…
Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width isAsm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…
... to create and "name" an asm routine for playing some ay ... to use it inside an asm program. Also I need to ...MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... .co.uk/~jg27paw4/pourri/move_m.asm]here[/url]. The routine will ... ;7 > 1
; Vlohi = vertical range from 0,0
; Vstep = -1/0/+1 vertical step
; Hstep = -1/0 ...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?Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…
... -around attribute map to allow vertical attribute-based scrolling.
;Use ...
ld a,(multicolour_A_offset) ;'HW' scroll factor
ld l,a ...ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…
... />
Ive been working in scroll routines and I want to ... br />
First, one vertical 2 pixels scroll routine with 13 sprites ... is a multidirectional 2 pixels scroll. I think that I ... /> And a multidirectional 4x4 pixel scroll routine. Perhaps this can be ...FZX ScrollI wrote a routine to scroll message in ZX Spectrum screen, using [URL="http://www.worldofspectrum.org/forums/showthread.php?t=44088"]FZX[/URL] fonts.…
I wrote a routine to scroll message in ZX Spectrum screen, ... . Feel free to use FZX Scroll.
The [URL="http ...Uridium possible with more colour??Having seen the MSX version of Uridium mentioned in another thread I wondered if the Spectrum could produce anything similiar, and had a go at a mock…
... stayed locked horizontally, with only vertical movement by character square there ... you can tolerate. It could scroll quite smoothly as along as ...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..New game released: EXPLORER<div><span style="font-size: 13.3333330154419px; line-height: normal; font-family: 'Courier New';">- EXPLORER -</span></div><div><span style="font-si…
... I've seen an alternate vertical-scrolling version in a TV ... Spectrum POKE 23692,0 to scroll vertically the whole screen. I ... , including an Assembly routine to scroll a screen window, in order ... weak attempt to play a vertical clone of my favourite arcade ...Creating a ZX Spectrum Development Environment on Mac OS XI’ve been using a Macbook for a while now and am so impressed with it I decided shift my ZX Spectrum development from PC. It took me a little while t…
... something better than the default scroll, you can easily just pick ... /> pasmo -v -d --tap code.asm code.tap
cat basic ... directory as the [b]code.asm[/b] you are working on ... save your files with the asm extension) and although this isn ...Hungarian notation for asm - Yes or No ?There is thing called hungarian notation - https://en.wikipedia.org/wiki/Hungarian_notation Basically it is all about using prefixed indetifier to i…
... for languages with types but asm is different story.
So ...
