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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 …
... .
[code]; Print out a character
; ---------------------< ... pixel lines
POP HL POP HL ; Get print ... ; -------------
PUSH HL ; Save print position
LD A,H ...
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 …
... .
[code]; Print out a character
; ... pixel lines
POP HL POP HL ; Get print ... -------------
PUSH HL ; Save print position
LD A,H ... />
[code]
; Print out a character
; ---------------------
Good character sets ?Just wondering if anyone had any favourite character sets ? :) The one in SE basic is quite nice and I'm aware (I used to have it in my head I'm sur…
... have a print of the entire character set at pixel level or ...Good character sets ?Just wondering if anyone had any favourite character sets ? :) The one in SE basic is quite nice and I'm aware (I used to have it in my head I'm sur…
... have a print of the entire character set at pixel level or ...Good character sets ?Just wondering if anyone had any favourite character sets ? :) The one in SE basic is quite nice and I'm aware (I used to have it in my head I'm sur…
... have a print of the entire character set at pixel level or ... assembler to get it at pixel level although you might have ...Chessboard and piecesLast night for no particular reason I made a chessboard and pieces. [url=https://dl.dropbox.com/u/9498358/chessboard.szx]Chessboard[/url] [img]https…
... to do with a 144x144 pixel grid I drew this:[/QUOTE ... at 64512 (the order they print in). Be gentle, my coding ...ZX-Paintbrush 2.2.1 releasedDear readers and friends of ZX-Spectrum emulator stuff! Today I released the version 2.2.1 of ZX-Paintbrush with interesting new features and many b…
... "myprog" after the image will print a white bar in the ... in full zoom mode (for pixel work), I often lose my ... % ???... I often find myself doing pixel work when tidying up sprites ...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…
... you, both issues of Pixel Nation are now available for ... price on the current print run but once they ... br />
[url]http://pixel-nation.co.uk/index.php ... /online-store/product/57-pixel-nation-issue-1[/url ... /online-store/product/144-pixel-nation-issue-2[/url]< ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... ; and Y positions for the print.
ret ;
print a question mark
... jr nz, fchr ; just print a character if it is ...
rr h ; correct pixel position, place it on the ... ; point to the next pixel line up in the
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…
... run the machine code and print the score we have ... , go to GAMEOVER.
;print car
;scroll road
10 PRINT AT 0,0; "Your ... 23296, which affects an 8x8 pixel block per byte, in ... ;empty stack
To print a black road we need ...UDG in AssemblyHello there my fellow WoS'ers I am currently having a play with z88dk and PASMO and would like to have some fun with some UDG's so is there a tutor…
... simple bit of code to print a single character from your ... , here's a really simple print routine:
[CODE]ORG ... each character row of the pixel screen. The second one, not ... attributes. If you want to print with attributes, you'll have ...IX 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…
... pointed out, if those are pixel coordinates, you should be subtracting ... /> But notice when you execute PRINT AT you actually have (0 ...Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... d ; point DE to next pixel row on screen
inc ... hl ; point HL to next pixel row in character set
djnz msgprl ; transfer remaining pixel rows
ld b,c ... next character
djnz msgprc ; print remaining characters
ret ; all ...Bottom 4 lines of the screen fileI'm wanting to save the bottom 4 lines of the display memory (AT 20,0 to #0; AT 1,31) 23168 is the start of the attributes and its length will be 32…
... would be 32 (*32 byte) pixel rows for the bottom 4 ... byte) distinct pixel rows in the bottom four print lines. In BASIC ... I would have done a "PRINT AT 20,0;" and then ...BLOG- ZXSporgBasic RPG development thread- Inspired by the Spectrum 30 show, and after a six-month wait while I was busy playing loads of gigs, I have decided to do a spot of Spectrum coding…
... a CIRCLE with radius 1 pixel?
[IMG]http://i1136.photobucket ... ,4,6
1110 REM print background
1120 FOR j ... =0 TO 15: INK 1: PRINT AT j,0;CHR$ 143 ... yo=3: LET d=0: PRINT AT y,x;CHR$ (144 ... nxy=5: LET nd=0: PRINT AT ny,nx; INK 5 ...ZX-Assembler in progress...Dear readers, I just want to announce that ZX-Assembler is not longer only an idea in my mind. It's just alive. Unfortunately, it's too early to mak…
... "print_tile", with comment "routine to print tile to screen", and addresses ... "
53200: comment "routine to print tile to screen"
64000 ... with "graphics" you mean simply pixel data (1s and 0s displayed ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... thinking the same, is the print position only specifiable to character ... hires coordinates, so you can print anywhere on screen. For instance ... B] is the vertical coordinate (pixel line from 0 to 191 ... B] is the horizontal coordinate (pixel column from 0 to 255).Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…
... bar down by one point/pixel
DECONE: ld a,(51993 ... ]
Test with:
[code]PRINT AT 0,2; BRIGHT 1 ...Edge 20th AnniversarySeptember sees Edge Magazine hit their 20th Anniversary and to celebrate they've done 20 covers. [URL="http://www.edge-online.com/news/edge-20th-ann…
... comes to graphic design for print. I see it more of ... just a standard piece of pixel art that could've been ...MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... routine to generate the single pixel lines, and from what I ... address with hl
print: ld a,3 ;channel 3 ... bc,16
call 8252 ;print
ld hl, 0x4800 ...The complete Knight Tyme (48k) RAM disassemblyHello! Just a quick note to let everyone know that the initial version of my [URL="http://www.dur.ac.uk/philip.anderson/disassemblies/knight-tyme-48…
... maybe suggest going down a pixel style for the design or ... of ?20 for the small print run. I showed them the ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... characters on screen. For instance, print an accent at the same ... produce an accentuated letter, or print underlines at the same position ... word, or print the same text twice (shifted by 1 pixel) to ...Rendering clipped glyphSometimes you need to render a glyph of arbitrary size to the screen. And clip it. For example: drawing a mouse cursor means combining drawing of a…
... frame offset
x,y = pixel coordinate
[/code]
pixel shifting.
There is ... holding rectangle and print state info (current colour, print position, etc)
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... :
call po_tokens ; print token
jp po_fetch ... ld a, 8 ; pixel line count
and ...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…
... (0,0) the top left pixel. The driver is using basic ... the current font and/or print position.
Einar seems ...Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... the box you can print text into the background. ... d expect. You can print to the background with ... header file. Functions can print individual characters, strings of characters ... not perform horizontal rotation for pixel precise placement horizontally. Two ...FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…
... - kern letter pair (adjust the pixel position +/-)
BRIGHT - baseline (set ... changes to allow > 256 pixel resolution (for timex video modes ... relative jump, moving the next print position by +1 to +128 ...Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
...
;GRAPHIC DATA:
;Pixel Size: ( 16, 24)
;Char ... -lim2
You can print strings to the screen on ... the background, but can you print numbers?FZX Driver for z88dkAn fzx library for z88dk can be downloaded [URL="https://drive.google.com/file/d/0B6XhJJ33xpOWM2hWNjAxMVkxaEk/edit?usp=sharing"]here[/URL]. The libr…
... ]
Notice I have to print the font on the 23rd ... you should be able to print on line 184. (192 is ... +font_height gets you to one pixel below the vertical extent).
