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Gandalf [z88dk][Nirvana Plus][128Kb]Gandalf 1.00 [url="https://drive.google.com/open?id=1T9HK0_isoMrfogSIJVhPGehjVIdFus4c"]Download Ver 1.00[/url] Long after the destruction of t…
... you can update the player sprite at 50Hz too, while other ... is always around the player sprite.
[quote]
Try ... , etc) to new orgs on 256-byte boundaries too. -
im looking for other games like the muncher that use double height and width graphics with colouri havent come across this type of graphics mode on the spectrum before and would like to know if there are any other games that use it.
... still be using a lookup table to actually mirror the requisite ... get away with just a 256 byte table for the flip and that ... -
binary mirroring in basicsame as last question, really. only this time i want to mirror an 8 bit decimal number
... still think an approx 20 byte asm routine is the best ... each element in the look up table.
A way that ... to poke a data look up table and use PEEK, rather than ... -
What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…
... if that is still up. It also explained the ... it to set up a Look Up Table of screen addresses, ... is the address where that Table (384 bytes, ie. ... explained for writing a sprite routine I believe are ... .wordpress.com/2010/03/22/sprite-graphics-tutorial/
What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…
... shifted / rotated will take up 160 bytes each, as they ... move on to next byte of tile graphics data
256 byte page boundary, as less ... your tiles each took up 256 bytes that would leave ... but my tiles took up 160 bytes each when ...What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…
... that will generate a Look Up Table of screen line addresses, ie ... address of the left-most byte of each pixel line in ... file. This sort of look up table is handy to have because ... wherever you located your Look up table
LD A,(LNUM) ; the ...What to write / programme?I've been trying to get back some motivation to write something in machine code for the Spectrum. I don't feel I am organised enough to write somethi…
... up table addresses are stored in the more common sequential manner: low byte ... , high byte, following each other. Rather ... ,64000 ; or wherever your look up table is located.
ADD HL ...Why did JSW only have one staircase per screen?Just that really. Could stairs just have been another square type? Or was that just that way it was designed, and it could handled multiple per scree…
... ) are all stored in a 256 byte chunk of memory and 4 ... bytes had...
1 byte , left up or right up
2 bytes ... start location
1 byte length ...Tricks to make mirror image of a graphic?I've been working on a sprite routine for lots of sprites and animations. I'm only storing right facing graphics, and converting them to left facing.…
Use a 256 byte, page aligned table that contains the mirror image of the relevant byte.Tricks to make mirror image of a graphic?I've been working on a sprite routine for lots of sprites and animations. I'm only storing right facing graphics, and converting them to left facing.…
... ="AndyC;973416"]Use a 256 byte, page aligned table that contains the mirror ... image of the relevant byte.[/ ... build the table.
To get the mirrored byte in ' ... and 'inc h' to my table. Or something like that.
Tricks to make mirror image of a graphic?I've been working on a sprite routine for lots of sprites and animations. I'm only storing right facing graphics, and converting them to left facing.…
... ]
Testing if the byte is $ff or $00 and ... 333.
Using the 256 byte mirror table takes 333 T-States for ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
Which version of sprite8x8a are you using?
The data needs to be align 8 as well since it assumes the data does not cross a 256 byte boundary.Graphics Mask FormatsHi. Just a quick question. I'm curently hacking a little program to aid my in my own ZX development (i'm hoping to build a little collection of tools…
... an example of a 4-byte wide sprite), what to other people ... Image, byte-by-byte.
[*]BMBMBMBM : Alternate Image and Mask, byte-by-byte.
sprite" of Mask, then of Image ...Preferred way of determining Y co-ord in assembly?I know of 2 ways of calculating the y-cord of a pixel row for the speccy in assembly. One is to calculate the address by ways of shifting and masking…
... is to use a look up table I suppose that holds the ...Fast LogsAnyone know of a fast ln function I can steal? The ROM function seems to be hideously slow. I wrote a look-up table dirty and less accurate sin func…
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I wrote a look-up table dirty and less accurate sin ... my maths isn't quite up to writing one for natural ...Bug fixing woesGaahhhh! I've spent an afternoon off work agonizing over why my routine didn't work. It's something I'd already restarted so didn't want to wipe th…
... through the low byte in a 16 bit table that straddled a ... high byte boundary!! As long ... as the table starts at ... an address with an empty low byte it ...AYBABTU - musician neededALL YOUR BASE ARE BELONGS TO US For my new project [url]http://www.edisk.eu/en/download/73423/aybabtu.sna_128.03KB.html[/url] i am looking for AY m…
... field
cyan - ship sprite
magenta - up to 3 simultaneous particle ...SEUD - How to - Part IIOK, now let?s enter on each option to see how to use them. First of them, the attack waves. A - Attack Waves [IMG]http://img841.imageshack.us/img84…
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Do you see the sprite with a X2 and a ... corner? It is the enemy sprite that we will use here ... 2 to choose the enemy sprite and up and down to choose ...maths help 'JSW'JET SET WILLY uses a lookup table to play the opening tune (Moonlight Sonata) this is the table [code] 34299 DEFB 81,60,51,81,60,51,81,60,51,81,…
... SET WILLY uses a lookup table to play the opening tune ... )
this is the table
[code]
34299 DEFB ... this tune the notes go up in groups of three (1 ... first 3 notes in the table are 81 , 60 , 51
up table.Spectrum Screen RAM layoutHi there The spectrum screen layout is rather odd. It seems to be arranged into 3 256 byte groups. If I have an x (horizontal) coordinate (from…
... to be arranged into 3 256 byte groups.
If I ...Simple/standard Linux assembly development environmentIs there a standard or recommended Spectrum Z80 assembly language environment for Linux based folks? I was looking at the assembly language posted in…
... language posted in the 1 byte wide sprite thread, and thought I ...Is it just me...?Maybe I grew up paying too much attention to films like Tron, Max Headroom, Robocop etc. - always the companies in them were huge faceless corporatio…
... (Melbourne House, Bug-Byte, Imagine). Programmers teamed up to form companies themselves ...Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…
... at the end of a 256-byte boundary (both Spectrum screens are ...i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…
... use a very handy look up table in the manual itself, LOL ...i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…
... if adress pointer is crossing 256 byte page and you must use ...Basic corruptionDoes anyone have any tips or solutions for when a Basic listing becomes over a certain size and starts to get corrupted due to paging... I remember …
... is attached) then a random 256-byte page of memory will be ...Pixel setting / general speccy codingi just started doing some cross-coding with the [url="http://www.bigfatpanda.fsnet.co.uk/z80.html"]Z80 SNA assembler[/url] and an emulator, and this …
... can put lineptrs on a 256-byte boundary and rearrange it into ... 256 low bytes followed by 256 high bytes. This ... /> [code]
ld h,lineptrs / 256
ld l,d
Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... , only when your crossing a 256 byte boundary: INC L is sufficent ...
