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ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... (ie: Rename the X as Y and rename the Y as X for keyboard shortcuts ... confine the mouse movement to 1x1, 8x8 and 16x16 pixel steps ... those settings back to 1x1 pixel movement, and clicking on the ... is trying to use the selector to cut out a screen area... Im ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... but feel I need to point out some minor ... is displayed on the screen and can be toggled with ... : Rename the X as Y and rename the Y as X for keyboard shortcuts ... names according to the axis that has to be held ... can swap the keys to the opposite function, this ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... floating X/Y coordinate input boxes are a good idea, and I ... can see why its important to have them visible on screen ... of the screen around, it would restrict itself to the ... how to change this to confine movement/dragging of screen portions to anything ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... floating X/Y coordinate input boxes are a good idea, and I ... can see why its important to have them visible on screen ... of the screen around, it would restrict itself to the ... how to change this to confine movement/dragging of screen portions to anything ... -
ADG questionCan some one help me please. Using AGD 4.3, if I want to do a game with say 20 levels all vertical how to I make it so that when my man falls from t…
... set up a variable to be a screen counter and this example I ... /> IF X 175
SUBTRACT 1 FROM A
LET SCREEN = A ...
LET X = 2
ENDIF ... />
when resetting the X or Y coordinates in AGD make sure ... -
Pixel level collision detection[SIZE=3][FONT=Calibri]I need to do some pixel level collision detection. Assuming I have a byte of my ?player? sprite in DE and a byte of screen to t…
... rectangles to define platforms and objects of interest on screen so ... an X interval (start coord, width) and a Y interval (y coord and ... width). Writing code in terms of intervals (and ... be placed on any x pixel coordinate 0-2047. ... -
Edge Grinder, how would YOU do it?I always meant to post about this and AndyC reminded me in the 'vs' thread in games. [QUOTE=AndyC;808887]The thing I love about threads like this is…
... /> RANDOMIZE USR 4000
and it will double scroll as ... ; address to read from screen
LD HL,22528+256+256-64 ; address to place ... 4,A ; that is key y - exit to BASIC
JP Z ... -
Help for beginner with z80Hi chaps, I'm reasonably new with z80, but had a fair amount of experience with 68000, so decided to give a few things a go. One little thing I'm t…
... br />
Press Y to exit back to BASIC
... copy the character letter to the screen
LD ... address to read from screen
LD HL,22528 ; address to ... to the start of the text
DEC DE ; and ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... for base 10 (and 2,8,16) conversions to use a faster ... /> [code]
myfzxstate.x = x * 7;
myfzxstate.y = y *7;
[/code]
void *fzx_draw; // address of fzx_draw function
struct ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... hl,sp ; skip over return address on stack
ld e ... /> ld a,l ; get x*32 again.
and #224 ; mask low ... ,c ; get y displacement.
add a,l ; add to low byte ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... hl,sp ; skip over return address on stack
ld e ... /> ld a,l ; get x*32 again.
and #224 ; mask low ... ,c ; get y displacement.
add a,l ; add to low byte ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... hl,sp ; skip over return address on stack
... /> main()
{
unsigned char x, y, temp; // unsigned so there are ... sp
; skip over return address on stack
ld e ... crt defines several sections to hold user code and data:
More SpecBAS funHere's a neat little effect I lifted from a thread about displaylists and stuff from an Amiga forum - although SpecBAS has no hardware to assist, it …
... it's using the SIN to offset which line of ... original image it's going to copy onto the current ... line, so you get compressions and duplications of whole lines, ... like waves rising and falling out of the screen.
... position of the mouse, one X, one Y.More SpecBAS funHere's a neat little effect I lifted from a thread about displaylists and stuff from an Amiga forum - although SpecBAS has no hardware to assist, it …
... original image it's going to copy onto the current line ... , so you get compressions and duplications of whole lines, which ... like waves rising and falling out of the screen.
... , one X, one Y.[/QUOTE]
Exactly right. Turned out to be ...Raycasting (3D Games!) with SpecBAS<div><font face="Arial, Verdana"><span style="font-size: 13.3333330154419px; line-height: normal;">Here's one I wrote just recently. I wanted to see …
... the walls, at least - floors and ceilings are a lot more ... .org/md32s6iu3/texmaze.png
And here's the code:
SCREEN LOCK: GO SUB 410: GO ... ,h-1 FILL 70 FOR x=0 TO w-180 LET dx ...Raycasting (3D Games!) with SpecBAS<div><font face="Arial, Verdana"><span style="font-size: 13.3333330154419px; line-height: normal;">Here's one I wrote just recently. I wanted to see …
... each pixel of floor and ceiling has to be done manually ... resolution textures. Set it to 2, and although the "pixels" will ... code by Lode Vandevenne20 DEGREES: SCREEN LOCK: LET scl=1: ... =1350 REM Engine60 FOR x=0 TO w-170 LET dx ... SIN pla80 LET cx=2*x/w-1,rx=px, ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... FN l(x,y). The first argument
;; is the target address to be ... were
;; determined by trial and error
ld ix,(23563 ... that it requires one to specify both the address and length. Ideally, it ...Code structureHi all, I'd be interested in opinions on the neatest way to do this. I've got a print string routine in which 0-31 are reserved for control codes, …
... standard Bi*Frost library and all the modules reference ... assembling it and couldn't get it to assemble. I ... IMHO) inferior pasmo assembler and that didn't work ... :29 zasm v4.x add y for opcode timings< ... bin complica$.asm complica$.bin # screen dump
pasmo -d ...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…
... need to loop).
2) Char start is font address + ( ... to register and align them to byte. I then transfer them to video memory. To ... put it to screen (using hi-res x coordinate from 0 to 254) you ... (and if you are at the edge of screen you need to clip ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... ('x' is a-cross) and 'y' is the vertical axis and are quoted as x,y ... this case). All further references to 'x' & 'y' below use this convention ... at the top of the screen, so it would quit after ... ' don't print anything to the screen, because 22 is the AT ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... convention of PRINT AT x,y; where x refers to the number of ... from the top of the screen and y is the number of ... to think that the Sinclair BASIC convention is "PRINT AT x, y; where x ... is vertical and y is horizontal" instead ...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…
... ;
; Converts a screen pixel coord into a screen address and ;
; pixel position ... ; b - y position in pixels ;
; c - x position in pixels ...New game: Shoggoth Halls[img]http://zx-pk.ru/attachment.php?attachmentid=53443&d=1442416973[/img] unclassifiable an @ hero tries to withstand the $%& cellular automaton fo…
... currently X and the left neighbour is Y, the cell should change to Z ... /> X,Y,Z can be space, red-&, pink-% or green-$ (triangles and screen ... -rule turns the cell to %, and a right-rule to $). triangles combine the ...Flood FillHi Folks, Can anyone point me to a flood fill that I can call from ZX BASIC? I have looked through the archive and although there are posts about…
... .
Indeed, filling a 'difficult' screen takes lots of stack space ... somewhat like 'FILL AT x,y' (similar to PRINT AT x,y) I saw no ... do know what we want to fill and choose the coordinate. So ... in choosing two times.
And indeed, plotting a full byte ...128k Paging a tile routine to a double bufferHi happy new year all :) Does anyone have an example of how to page a routine to the screen ie a tile routine? Thanks :)
... correct for selecting a bank and transferring to screen 7 from buffer/pagebank ... ,tiles+1 ;width bytes total? x times y character size?
ld ...128k Paging a tile routine to a double bufferHi happy new year all :) Does anyone have an example of how to page a routine to the screen ie a tile routine? Thanks :)
... selecting a bank and transferring from screen 5 buffer to screen 7 from main ... ,tiles+1 ;width bytes total? x times y character size?
ld ...128k Paging a tile routine to a double bufferHi happy new year all :) Does anyone have an example of how to page a routine to the screen ie a tile routine? Thanks :)
... selecting a bank and transferring from screen 5 buffer to screen 7 from main ... and tiles from certain banks, draw to buffer scrin then flip to normal screen ... ,tiles+1 ;width bytes total? x times y character size?
ld ...Variable sized tiles /tile routineHow would you do a variable sized tile routine where the tiles have position variables too? Thanks would be interested to learn :)
... the registers changing to see if your loops and maths are working ... . You can select whether to see ... 8 or 16 bit, and decimal or ... your format is 'X(byte), Y(byte), Graphic(16-bit address)' then remember ...New Game : Descending DungeonsHi there - I'd like to announce this new game, my entry for ZXDev2015 It's a turn-based dungeon crawler - complete with randomly generated dung…
... (bugs and all!) and managed to defeat the ... to the exit teleport and progress to the next level without having to explore and ... X magic points, every new turn regain Y magic points up to ... and scattered cauldrons (once collected they are removed from the screen ...What constitutes something being classed as 'Retro'?It would appear that these days anything older than 10 minutes old is now classed as Retro, or that god awful word, vintage. Clearly the speccy is…
... of "return to"... back in the day, when X, Y or Z were ... all the rage. "Vintage" [i]to me ... 8-bit CPU and 4-color screen output (if that). And is done ... 2D, pixellated / blocky graphics explicitly to give that old-skool look ...
