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Easy way to print text in machine code?Please? It sounds so simple, but I've never done it. At the moment I'm grabbing the start address for each letter then printing them out one at a t…
... />
;HL = text adress
text
ld a ... de ;HL now keeps adress of char gfx
... a, d ;computing attr adress from pixel adress
and %00011000 ; ... adress of attribute
ld a, (text_attr) ;get ... -
Timex undocumented video modesHi people. Please check my assumption about the functioning of the Timex in undocumented video modes: D2D1D0 wr #FF 0 0 0 - ZX color mode, the base …
... 0 - Multicolor mode, pixel adress #4000, attribute adress #6000
0 ... 1 - Multicolor mode, pixel adress #6000, attribute adress #4000
1 ... mode, even column adress #4000, odd column adress #6000
... 512x192 mode, even column adress #6000, odd column ... -
Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …
... attribute first, then the 8 pixel lines for that character square ... based, attribute first, then 8 pixel bytes
org ... br /> loop1: ld a,(hl) ; get pixel
ld (de),a ; put ... /> nextpix: inc ixh ; 08ts ; next pixel down
ld a, ixh ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... from another character in the pixel buffer. Arrange for two ... using a software rotater to get pixel-precise placement of sprite ... be rotated a minimum of pixel in the horizontal direction ... above it to accommodate vertical pixel placement. Normally, the blank ... -
Font centering problemA while back today, I started coding a simple Othello/Reversi game in BASIC, with the precious aid of BASin (great tool, hope it eventually becomes b…
... ), the only other way to get pixel perfect alignment is via machine ... -
Vector drawing routines.Anybody could point me to some sort of vector drawing package of routines, callable from BASIC? With "vector drawing" I mean to draw 2D pictures with…
... call Bytefill ; wiggle around incoming pixel mask
ret nc ; ...
push bc ; save pixel mask
call fill ; ... .Bytefill
ld a,b ; get pixel mask
xor (hl) ; ... -
Minigame Compo 2007Hi there, also this year, there'll be a minigame competition, open to all 8-bit computers and consoles. It consists on writing games whose size (…
... in A we have to get rest of match info< ... subtract HL from DE to get real adress of match
;offset ... />
dolz ld h, b ;GET OFFSET
ld l, a ... and add one
;we get the correct value (try it ... RL(HL) at the next adress
; therefore a valid ... -
Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... finer grain resolution and you get pixel scrolling.
Oh, arrange ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... MTXLP LD A,(HL) ; Get pixel line
LD (DE ... D ; Step to next pixel line
BIT 3 ... for 8 pixel lines
POP HL ; Get print position ... /> LD A,(ATTRP) ; Get current attributes
LD ...
POP HL ; Get print position back
... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... forums.
Anyway, to get on topic, and for Mr ... ]
MTXLP LD A,(HL) ; Get pixel line
LD (DE),A ... /> INC D ; Step to next pixel line
BIT 3,D ... ; Loop for 8 pixel lines
POP HL ; Get print position back ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... -Nov-2010: Bug fixed in pixel loop
; Prints characters ...
MTXLP LD A,(HL) ; Get pixel line
LD (DE),A ... /> INC D ; Step to next pixel line
DJNZ MTXLP ; Loop ... for 8 pixel lines
POP HL ; Get print position back ... -
PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…
...
rotate: ; else rotate pixel mask right 'b' times
ld b,a ; b = pixel mask
call PIX2SCR ... />
ld a,b ; get pixel mask
or (hl) ; ... next pixel position to plot in pixel coordinates. Each pixel coordinate ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... not even sure how you get pixel level colour changes in the ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... not even sure how you get pixel level colour changes in the ... can, with careful timing, get 2 pixel-level changes. That Rage demo ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... not even sure how you get pixel level colour changes in the ... -
New Game: BerksManLink: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027713[/url] Originally written to demo Boriel's ZX Basic, and still needing most of th…
... timed, right now, and to get pixel movement right would mean counting ... one frame, so I can get things like 6 frames to ... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... HL) LD A,(HL) ; Get pixel line
LD (DE ... D ; Step to next pixel line
DJNZ PRMTXLP ... 8 pixel lines
POP HL POP HL ; Get print ... ) LD A,(ATTRP) ; Get current attributes
LD ...
POP HL ; Get print position back
... -
Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... A,(HL) LD A,(HL) ; Get pixel line
LD (DE),A ... for 8 pixel lines
POP HL POP HL ; Get print position ...
PRMTXLP LD A,(HL) ; Get pixel line
LD (DE),A ...
LD A,(HL) ; Get pixel line
LD (DE),A ; ... -
Timex undocumented video modesHi people. Please check my assumption about the functioning of the Timex in undocumented video modes: D2D1D0 wr #FF 0 0 0 - ZX color mode, the base …
... 1 0 - Multicolor mode, pixel adress #4000, attribute adress #6000
0 1 ... 1 - Multicolor mode, pixel adress #6000, attribute adress #4000
1 0 ... - 512x192 mode, even column adress #6000, odd column adress #4000[/QUOTE]
Spectaculator 8.0 scanlines questionVery impressed with the emulator (which I have purchased). Only one thing that's bugging me, and that's with the scanlines, which look perfect when …
... emulation - I can never ever get pixel smooth scrolling..something to do ...New Game: Left Behind[img]http://stonechatproductions.co.uk/zxgames/gameimages/loader.png[/img][img]http://stonechatproductions.co.uk/zxgames/gameimages/ingame.png[/img] …
... flippin' hard...! I can't get close to finishing the second ... me about 30 minutes to get off the first one.. :))
get pixel perfect jumps a bit tedious ...Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…
... [code]
; *****************************************************************
; Title: Pixel Explosion
; File: pixel01.asm ... = xpos
and 7 ; get the offset (0-7)
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…
... ld a,h ;otherwise, get ready to point to the ... ld a,d ;otherwise, get ready to point to the ... br /> pop de ;get ready to print top line ...
pop hl ;get ready to print top line ... scrlcount ;otherwise continue with another pixel scroll
endroutine
What PS3 game should I get next?I have just completed Heavy Rain and was wondering what I should get next. I have also completed Dragon Age: Origins (if anybody wants to know a goo…
... was wondering what I should get next.
I have ... 4, RE5, Conan, Resistance FOM, Pixel Junk Shooter, Devil May Cry ..."Pixel after Pixel", WoS contest for the best fan made loading screen$After reading the post where Ste?86 did a splendid fan loading screen for Pud Pud, I had the idea of creating a contest to see which is the best load…
... the winner. This winner would get a price, and I had ... that this could be named "Pixel after Pixel" :)
OK, so ...Microhobby's Pixel A Pixel compoI've recently found out that there's been a graphics competition Pixel A Pixel held by Microhobby magazine, thx to Ivanzx for pointing this out in on…
... 's been a graphics competition Pixel A Pixel held by Microhobby magazine ... of scans, as many pixels get lost in resampling and rough ...Tribute Pixel Art PosterIt's been a special day today so I chose today to unveil an update to my pixel art poster (one of the first things I posted here a long long time ago…
... unveil an update to my pixel art poster (one of the ... and my friends wanted to get prints, so I threw this ...Pixel Nation & Writers wanted!Before I get to my main question I just wanted to talk about a project I've been involved with. I recently worked on a printed magazine for NES-Bit.c…
Before I get to my main question I ... new, a retro publication called Pixel Nation.
After 5 ... complete:
[url]http://pixel-nation.co.uk/[/url]
get an insiders perspective on the ...Great little PS Vita game 'Life of Pixel'Not sure if many (if any) of you have a PS-Vita, but there is a brilliant game to get. It's called Life of Pixel and its a retro platformer. Each l…
... brilliant game to get. It's called Life of Pixel and its ... .uk/game-review-life-of-pixel-playstation-mobile/[/url]
draw single pixel in the borderI have problems with drawing in the border. I can get it to draw a line ,but it always becomes a line and not a single pixel. <br><br>rept 3580 <br…
... in the border. I can get it to draw a line ... line and not a single pixel.
rept 3580 ... corner. Is it possible to get a multicolored block using the ...
