-
A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... want your code to work fast, you must not scroll whole screen ... -
A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... warning: The below code can seriously damage ... upper case!
[code]
org 32768
... screen line in the scroll buffer
db ... hl
RET
[/code]
The ... screen.
[code]
ZXScrTab
dw ... -
A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... /> Use QAOP keys to change scroll direction of starfield.
[code]
ORG 32768
DS NUMSTARS+1
[/code] -
Please help an absolute novice with some simple(ish) programming.I'm very, very rusty at BASIC. I'm using BASin, for my GCSE Astronomy coursework [quote] Use a spreadsheet and/or a graphing package, or write a com…
... . We have horizontal axis and vertical axis.
IF horizontal ... )
CIRCLE:
[code]
10 LET X=128 ...
40 NEXT I
[/code]
ELIPSE:
[code]
10 LET X=128: ... -
ANNOUNCE: JSW64: Flash Manic MinerI am delighted to announce the gamma-release of [b][i]JSW64: Flash Manic Miner[/i][/b], which is available as a free download from [url]http://geocit…
... much more closely than the vertical sprites in "Wacky Amoebatrons"! ... enemies? "Flag bugs! In the code. If flag bug equals..."'
vertical sprites resembled the invaders from ... I have skipped over the code that saps your air- ... -
New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
... latest version of the source code, with all your improvements made ... [CODE];todo - ; speed to match video ... ),a
ld hl,23263 ;scroll road
ld de,23295 ... stack
ei
ret[/CODE]Next stop, try to get ... -
Game endings...Does anyone know why is that ZX Spectrum game's endings are so extremely dissapointing sometimes? Sometimes it's just some short text "Congratulation…
... to a Kill[/URL].
Scroll the tape browser to the ... from there.
The access code is
[spoiler]HRMQE ... -
Paul Hughes interview.Over at [url]http://www.c64.com/[/url] there is a very interesting interview of Paul Hughes whom worked for Ocean 1987-92. This is what he had to s…
... claiming to have written the scroll and sprite routines used in ... done! He ripped off my code! I can't beleive he ... -
1K Minigame : 3D RacerLast year I started to code a 3D Racer in 1K. The print of the road was however quite flickery so I put it away to pick it up this week again. I deve…
... graphics on the horizon that scroll when you turn[/I]. [B ... I had to change some code in lesser bytes)
** New Game In Development **As one or two of you may already know, Jonathan (Joffa) Smith is currently developing a brand new Spectrum game. The program is called 'SAUCER' It'…
... 's easy to convert the code - the Z80s aren't that ... . But it's easier to scroll on the GameBoy and it ...Successor to the SpeccyBased on the rambling on the other thread it would be interesting to see what people felt was the 'spiritual' successor to the speccy. Amiga here....
... ST SotB. My later machine code routines did full 320x200 scrolling ... basic ST, you could hardware scroll 8 pixels vertically), but you ...Maze Mania - How did they do it?Hi, I was looking at the game "Maze Mania" by Hewson Consultants, written in 1989. The game can be downloaded from here [URL]http://www.worldofspec…
... front buffer directly, or just scroll the old data in the ... 'm currently doing some scrolling code in a snake-type game ...Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…
... go in in order to scroll the screen.
Now ... look something like that
[code]
ld sp, hl
;run forest run
[/code]
with one exception ...[Request] re: Basin's udg/sprite editorI went through the manual and Basin's options and I didn't see this option, so apologies if I (once again) missed it. Besides the real-size preview …
... a few bytes but the code will look cleaner.[/QUOTE]
The code will also be slower if ... either right-alt, numlock or scroll lock to enter/leave G ...Brand new River Raid remake?one of my friend is trying to make a riverraid remake on flash just to have fun, I checked zx spectrum port of river raid. it is bad, really bad, jer…
... time) or that your synchronization code is taking the wrong amount ... working would be having your scroll routine run in a fixed ...[BASin] Bug report and question[B]1. Bug report:[/B] BASIC Editor behavior I'm using a variable to store the contents of the BC register. But the BASIC editor works strangely. I t…
... either right-alt, numlock or scroll lock to enter/leave G ... /> Wait, I can check source code and see what's missing.Would welcome ideas for my large map game...I have been working on an engine to allow scrolling around a large map. For now, it allows 1 char movement around a 64x64 map made up of 4x4 char t…
I always thought that the vertical caves were a bit of ... . Maybe the buildings could just scroll vertically (like Magic Boy, Ice ...River Raid Tech DemoJust a little something to look at. Enjoy. [URL="http://www.joefish.co.uk/speccy/Joefish_River_Raid_Tech_Demo_01.tap"]Joefish_River_Raid_Tech_Demo_…
... working on ideas for a vertical-scrolling shooter better suited to ... I want to keep the code optimised to make the colour ... there's a lot of code going to waste here, there ...Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…
... something like:
[CODE]
LD A, 2 ; ... LD A, 22 ; AT control code
RST 16 ; Call ... br /> LD A, 10 ; Vertical position
RST 16 ; Call ... 16 ; Call the print routine[/CODE]
If ...Getting started with asm Speccy codingSomeone on another forum I read has asked for good Speccy coding resources. I thought it would be great to link him to a simple tutorial about how to…
... something like:
[code]
LD A, 2 ; ... LD A, 22 ; AT control code
RST 16 ; Call ... br /> LD A, 10 ; Vertical position
RST 16 ; ... 16 ; Call the print routine[/code]
If ...Atic Atac Delux - 3d Filmation versionI have been playing a hacked version of Pentagram recently that has directional controls implemented, and running around the rooms shooting the ghost…
... you're not worried about vertical movement of beasties etc (i ... or platforms) you could colour-code the top of the doors ... . Presume that would have enough vertical clearance not to interfere with ...Russian Translations...As i have once again been reminded (by the "Homebrew games" thread), there are some funky looking Russian games that I can't play due to not understa…
... the archive, I found the code needed to save from a ... I can rip out the code. Hope I can at least ... to continue, the big letter scroll that comes next works but ...Russian Translations...As i have once again been reminded (by the "Homebrew games" thread), there are some funky looking Russian games that I can't play due to not understa…
... of this text,
[CODE] ORG RAM4:5204
DEFB ... 32, 32, 32, 32, 32[/CODE]
22 means 'print at ... . However if you read the scroll on the first screen first ...Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
... look like this
[CODE];
; Assemblers also need ...
reset_machine: RST $00[/CODE]
My plan ... 2) Back-port sprite code from BTS so we can ... Optimise large parts of the code. We can make the ... wanted to speed up the scroll routine.
4) ...Skool Daze disassemblyWhile developing [url="http://pyskool.wordpress.com/"]Pyskool[/url], I've also been putting together a disassembly of Skool Daze and Back to Skool, m…
...
2) Back-port sprite code from BTS so we can ... ) Optimise large parts of the code. We can make the Z80 ... wanted to speed up the scroll routine.
4) Add new ...Back to Skool disassemblyAs mentioned in [url="http://www.worldofspectrum.org/forums/showthread.php?t=22841"]this thread[/url], I've been working on a disassembly of Back to …
... right. The screen will scroll at each step Eric makes ... 28160 are to blame:
[code]
28192 SUB (HL) ; ... (no need to scroll the screen)
[/code]
This doesn ... possible fix is:
[code]
28192 SUB (HL)
[/code]
