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Using the stack to blit bufferI was using a ldir to blit my back buffer to the screen RAM, and it was working pretty well if not rather slow. After reading about using the stack …
... "]this is little up scroll:
[CODE]
credits_adr_from equ #40B2 ... /> LD H,A
ret[/CODE][/quote]
A couple ... -
im looking for a scroll routine continued...seeing as the forum is now back up. i though we could continue the conversation on facebook on here.
Why make a new thread when you already made one?
https://www.worldofspectrum.org/forums/discussion/54710/im-looking-for-a-horizontal-scroll-routine -
1987-2017Here we are, with our tradional thread about games released thirty years ago, where we can contemplate how bad they have aged, how bad they [i]alread…
... successful (perfect, I would say) horizontal scroll. The high difficulty will get ... -
i need a sideways scrolling program written in basicso like ghosts and goblins it scrolls along with the player. i had help with this before in making a tunnel game but this time i need it to be a able…
... of UDGs. Then as you scroll your view of the background ... effective way of doing a horizontal scroll. It's more suited to ... -
Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
... text and a horizontal scroll bar. You move the scroll bar right. Your ... -
Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
... line of text and a horizontal scroll bar.[/quote]
Okay, that ... -
Proportional-width fontsFor reasons that are still not quite clear to me (because I’ve always loved typography and design,) I never bothered to write a proportional-font rou…
... line of text and a horizontal scroll bar.[/quote]
Okay, that ... -
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…
... hardware scroll is supported, use smoth scroll (1 pixel scroll). In this code tiles ... , use 2 pixel step scroll. Also this code need more cycles, so ... />
My idea for hardware scroll is simple. Store in a ... -
How to write a simple BASIC* horizontal scrolling game (Tutorial) [b]How to write a simple BASIC* horizontal scrolling game[/b] In this tutorial, we will be talking about how to write a simple BASIC* horizont…
... to write a simple BASIC* horizontal scrolling game[/b]
... to write a simple BASIC* horizontal scrolling* game.
... !
*) Well, the horizontal scrolling part isn't in ... of this code is Line 100, where the screen scroll 8 pixels ... -
Best way to codeHi, I've been using Zeus Assembler to code MC programs so far. Nothing fancy just the odd scroll left or animation stuff. Wot I'd like to know is, …
... to code MC programs so far. Nothing fancy just the odd scroll ... , is a compiler better to code? If so which is the ... is the best one to code for a beginner? Can I ... -
Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…
Below is my WIP code to do smooth screen wrapping ... be most welcome
[code]
; ********************************************
; Char ... /> CP 0
JR Z,horizontal
AND 240
JR ... -
IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... spectrum using TASM
[code]
; ********************************************
; ... IX
; ADD CODE to animate, i.e change ... CP 0
JR Z,horizontal
AND 240
... -
Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... />
Derek
[code]
* Each tile when ... RET
SCROLL DI
LD (SCRMODA ... LD A,E ;reset the horizontal screen
AND 224 ; ... /> EI
RET
[/code]
[ This Message ... -
don't go Vista matesaGreetings. As you well know, there has been a massive campaign to push Vista into the users. I'm against it and always will be. Most of the ancient s…
... , adware and other malicious code onto the PCs of unwitting ... interface, where you must scroll up or down to get ... horizontally. In Vista, the horizontal navigational style--which debuted in ... submenus in each section require horizontal navigation as well. Have ... -
help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
I have started to code my first machine code program, a simple ... show comments)
[code];scroll down 1 pixel at a ... repeating the pixel scroll
dec b ;one scroll less to ... another pixel scroll
endroutine
ret
[/code]Your help ... -
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... br />
[CODE]
ZX SPECTRUM MACHINE CODE GAME 30 MINUTE ... CHAPTER 1 - Create a machine code function that returns the score ... br /> ;print car
;scroll road
;random road left ... down our blindingly fast machine code.
Insert the following ... -
Adjusting your code for screen refreshingOk, I'm aware that I should know it already after writing 5 Spectrum games in machine code but interrupts and screen refreshes were always my weaker …
... 5 Spectrum games in machine code but interrupts and screen refreshes ... must of course adjust my code for screen redrawing.
... refresh begins from top border horizontal line A (see my picture ... perform HALT command in machine code, the computer will wait ... -
What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... />
Anybody help ?
[CODE] org 30000
; We want ... /> basexy ld a,22 ; AT code.
rst 16
ld ... /> ld a,(ply) ; player's horizontal position.
rst 16 ; set ... -
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…
... 've written a bit of code to make a character move ... which pokes 63298 with the horizontal co-ord when less than ... -
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 is -
Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…
... says about the routine "The horizontal flip is noticeably slower than ... .
; nice flip horizontal
FlipHorizontal LD HL,16384 ...
;end nice flip horizontal
[/code]
Now ... -
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 ... .speccy.org/"]pasmo[/URL] source code can be found [URL="https ... -
Magnetic Scrolls games' source code has been recovered.Any fans of the Magnetic Scroll games from the late 1980s/early 90s might be interested to learn that the source code of all of the games has been fo…
Any fans of the Magnetic Scroll games from the late ... blog/magnetic-scrolls-games-source-code-recovered"]https://strandgames.com/ ... blog/magnetic-scrolls-games-source-code-recovered[/url]
... And the source code is being used to release ... -
ZEsarUX-7.0Hi! I have uploaded a new ZEsarUX stable version :) This is ZEsarUX 7.0 There are a lot of new features added, more than ever! You can downl…
... /> You can download the source code, as well as compiled versions ... scanline. Border drawing. Handling of scroll registers
* TSConf debugging: debug ... on ZX-Uno and TBBlue. Horizontal raster position was wrong
why am i getting b integer out of range in this code?ive tried running this in spin but thats what i get [code]main org 40000; ; We want a black screen. ld a,71 ; white ink (7) on black paper (0…
... get
[code]main
org 40000;
code for AT character.
... basexy ld a,22 ; AT code.
rst 16
... /> rst 16 ; set the horizontal coord.
ret
... ld a,144 ; ASCII code for User Defined Graphic 'A ...this code wont give me a random starfieldim using a peice of code that ive copied from a book, ignore most of it as it is redundant. for some reason i get a strange random starfield instead …
... a proper one.
[code]main
org 40000;
rst 16 ; set the horizontal coord.
ret
; Show ... br /> ld a,144 ; ASCII code for User Defined Graphic 'A ... ,60,60,60 ; mushroom.
[/code]
look at ...How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
... write a simple C/asm horizontal scrolling game[/b]
... project directory).
[code]
#include
#include ... later.
[code]
void __FASTCALL__ scroll_left()
code and assembly code in an easy ...ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…
... single byte of memory. To scroll left, say, you have to ... load of stages.
To scroll vertically you just shift the ... .
I would post some code examples but I don't ... hand - suffice to say the horizontal one is visibly slower than ...ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…
... reasonable place to have code
; Scroll up
... the general principal
; Scroll left
; much ... is where you'd insert code to scroll in a graphic - ... 't find my old code) my horizontal scrolling routine must have ...
