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Interview with Steve Wetherill (Odin)Hi you all!!! Here is the interview done to STEVE WETHERILL (Nodes of Yesod, Robin of The Wood, Arc of Yesod, Heartland... ?Odin!) and published at […
... have had time to add vertical jumping and platforms to Heartland ... -
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…
... /> int lin[NUM_TILES]; // hi-res vertical tile position
int hrc ... /> int dlin[NUM_TILES]; // hi-res vertical tile movement
int dhrc ... -
redirecting Z80 sub-routine CALLsI'm working on changing a TR-DOS disk program to work from standard +128k tape and thought that rather than painstakingly working through the code ma…
... to code this in Z80 assembler to work automatically, or do ... -
Best books & Sugested reading..Hi i was trying to search the forum but couldnt find it. Looking at WOS there is a number of books on BASIC, programming, machine code ect.. I mess…
... assumed you were using a assembler already..) usualy it ended up ... -
TESTROM3 - utility/rom for test your ZXHere is TESTROM3 utility as 16kB ROM file + flasher for install this rom to divide eeprom (or mapram mode). Work also on ZX Spectrum without ROM and …
... can see in first videoram vertical lines with roll effect.
Hep needed with a bit of code...I've written a bit of code to make a character move across the screen, but the counter stops at 29 when the 3 lines to delete the characters trail ar…
... do you copy and paste assembler files to these boards?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 hrcPlayer ... int dirPlayer; // hi-res vertical sprite movement
int ... />
// update player vertical position (up/down stairs)
Just bought a Spectrum+. Doesn't work. Red bars on screen.Hi all, Something of a noob here. Having recently been on holiday, I came across a Spectrum+ in a box, with a collection of games in a shop, and, af…
... get an alternating pattern of vertical red bars - it switches between ...Very weird +2 problem.After two days, I'm still fighting this grey +2. Symptoms: When I first got it, there were stray pixels on the screen, and stray lines and colours. …
... replaced by black and white vertical stripes, one character wide.
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... raster effects, hardware sprites, hardware scroll, DMA engine, or more demanded ...Get a listing to .txtI am messing with an old Spectrum game which was written in Basic for the 48k Speccy (not compatible with 128s). I get an error in the begining of th…
... course!).
In the Scroll? message I press BREAK and ...BASIC printer drivers for proportional and 6x8 printingcore features: * fully relocatable code; just do LOAD "" CODE startaddr:RANDOMIZE USR startaddr with any 'startaddr' * do POKE (startaddr+1),chan…
... +3),0 to turn off 'scroll?' query
* do POKE (startaddr ... +3),1 to turn on 'scroll?' query (default state)
* fully ...Any ideas on speeding up this assembler segment?It copies a pixel column of a rectangle which may be anywhere in the display file to a pixel column in d$. The source column may start at any bit pos…
It copies a pixel column of a rectangle which may be anywhere in the display file to a pixel column in d$. The source column may start at any bit position; the destination column always starts at bit 7. An enclosing loop not shown here repeats for up to ...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 hrcPlayer ... int dirPlayer; // hi-res vertical sprite movement
int ... [NUM_ENEMIES]; // hi-res vertical tile position
int ...Ideas for speeding up this BASIC routine?This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 105…
... (other than rewriting them in assembler)? Don't worry about the ...BeepFX ProblemHi All, I'm currently trying to integrate the BeepFX engine in my 100% Assembler Game and it plays the sound fine, but then plays the sound again, a…
... BeepFX engine in my 100% Assembler Game and it plays the ...FA: Assembly Language Programming Books + Software (Rare I believe)The following books/software are up for auction on ebay: [LIST] [*][B]Spectrum Machine Language For The Absolute Beginner[/B]; by William Tang; publi…
... a rarity. It includes an assembler and also 35 lessons, which ..."Knightmare", new game by ClimacusYes! The day has come. Climacus has already published via Bytemaniacos web site his new game. After successing with Speccy Bros and RetroInvaders, re…
... conversion from a MSX classic vertical shooter called "Knightmare", released in ...Mini scroll routineI'm looking for a routine that scrolls a small section of the screen downwards and replaces it with nothing, 2 x 2 charcter blocks to be precise, to …
I'm looking for a routine that scrolls a small section of the screen downwards and replaces it with nothing, 2 x 2 charcter blocks to be precise, to make it look as if that section is sinking into the ground beneath it (similar to the way jack the nipper ...Games Menu v2Hello WoS, Following [URL="http://www.worldofspectrum.org/forums/showpost.php?p=651506&postcount=234"]JTB's Games Menu v1[/URL], here's one I did w…
... .gif[/IMG]
[CENTER](scroll down for the link)[/CENTER ...New game from Kabuto Factory: "A.R.C.O.S."Hi everybody! After almost one year in production (...well... not so much... :roll:), we've got new release: A.R.C.O.S., a brick'em all with some sh…
... parallax routine was coded in assembler by our fellow RALF (thanks ...Forever XIII releasesJust found this link, thought it might be useful to those who collect demo stuff [url]http://speccy-live.untergrund.net/2012/03/forever-xiii-zx-spec…
... -releases/[/url]
scroll down to bottom of page ...Prometheus (AKA missing)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0025427&loadpics=3"]Prometheus[/URL] AKA "Prometheus 128" as per the inlay (and "Prometheus 1…
... inlay (and "Prometheus 128 Turbo Assembler", as per both inlay and ...The great 128k ConversionWell, I am not sure if it is going to be great. Hopefully it will! This evening, I set about getting my Issue 6A Spectrum Plus working. I suspecte…
... about the electrolytics. There were vertical bars moving horizontally across the ...The Hobbit, Empire, and an interviewHi all, I've got a little article on the making of The Hobbit in the latest issue of Empire magazine (we've run a huge feature on the film). I inte…
... challenge of turning that into Assembler code - quite a mental transition ... /> We wrote the game in Assembler, applying all the latest techniques ...Asking for help: ZXBC to ASM routine translationHallo, In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler [code] sub light(x as uinteg…
Hallo,
In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler
[code]
sub light(x as uinteger,y as uinteger,intensity as ubyte)
dim adr as Uinteger
if xIX register woes - or is SPIN buggy?Or am I missing something? I'm trying to use the IX reg to acess a table containing an x and y coord. My code below just doesnt seem to work proper…
... /> Im dubious about the SPIN assembler as it doesnt seem to ...Graph Plothi! please, help with code: [PHP]For x=-100 To 100 For y=-100 To 100 If (x/2-25)*(x/2-25)+(y-50)*(y-50)<200 Or (x/2+25)*(x/2+25)+(y-50)*(y-50)<200 th…
hi! please, help with code:
[PHP]For x=-100 To 100
For y=-100 To 100
If (x/2-25)*(x/2-25)+(y-50)*(y-50)Marriage in Malinovka - a gift for AERJust a really quick gift by AAA Band, Mick and me to celebrate AER's today marriage, see it [URL="http://speccy-live.untergrund.net/2012/11/marriage-…
... /"]here[/URL].
The scroll includes the best wishes from ...What's the correct Spectrum colour palette?Prompted by the recent SCR-to-GIF conversion thread, I was pondering writing one in Z80 assembler. As I did a LZW compression routine a while ago tha…
... pondering writing one in Z80 assembler. As I did a LZW ...
