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Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…
[QUOTE=48K]1/ Random number generator: I've started using a ld a,r command to grab a number from the memory refresh counter. Only problem is that if I do this in quick succession, the numbers are obviously not very random at all.
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Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... front of what. When I draw a character cell to screen ... it's possible to only draw individual character cells that need ... 's customizable enough that custom draw code can be used (with ... grid with horizontal and vertical lines. I think a dedicated isometric ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... even though it takes more lines of code to do the ... on the display but only draw completed graphics there rather than ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... the speccy drawing all the lines needed in each frame as ... lots of ships ect to draw on screen. The C64 frame ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... 's not true - to draw monochrome lines you don't need to ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... for the 3D area and draw the lines like the speccy.
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…
Try to draw grid lines with displacement multiple of 8 - ... with some PEEK/POKE may draw standard characters from ROM to ...Spectrum RPG'sOff the top of my head I can think of [i]Lords of Midnight[/i], and [i]The Bard's Tale[/i], but are there some other good RPG's on the Speccy that I …
[QUOTE=Collie]Also along these lines, Dark Sceptre is another strategy/ ... Domark were supposed to re-draw, but didn't... :("chunky" gfxHas anyone some experience with coding "chunky" gfx routines ? (chunky is something like this [url]http://www.pouet.net/prod.php?which=13204[/url])
... whether it's better to draw to linear fame buffer first ... only render half of the lines and swap between even/odd ... lines each frame. In my opinion, ...Qix on the SpeccyI've been playing Qix (pronounced 'kicks') on the old Gameboy, and great fun it is too. Qix was never officially converted to the Spectrum, but I was…
... pretty damn quick up the lines you draw as well.Death of the Computer Science DepartmentRead this article on the death of the computer science department in universities by Neil McBride from De Montfort. It makes very interesting (and wo…
CS degree courses should certainly take into account that schools are now teaching programming. Unfortunately what I'm hearing in the field is not promising: some CS degree exam questions are along the lines of "draw a diagram of the MS Word toolbar".Death of the Computer Science DepartmentRead this article on the death of the computer science department in universities by Neil McBride from De Montfort. It makes very interesting (and wo…
... exam questions are along the lines of "draw a diagram of the ...Complex DRAW command?After looking at some Speccy code I noticed that the DRAW statement is used to draw lines (or it looked that way). On the Coco, the LINE command was…
... =Arjun;171178]You can draw an arc by specifying ... a third parameter in the DRAW command.[/QUOTE]
The ... s a simple way to draw sprites, screens for adventure ... a lot of individual LINE, DRAW or PLOT (Applesoft BASIC) ... out a lot of lines and draws faster since ...Complex DRAW command?After looking at some Speccy code I noticed that the DRAW statement is used to draw lines (or it looked that way). On the Coco, the LINE command was…
... =Arjun;171178]You can draw an arc by specifying ... a third parameter in the DRAW command.[/QUOTE]
20 DRAW 40,0,12000[/CODE]< ...
As for a DRAW routine that could manage arbitrary ... there was something along those lines in the book [URL ...basizx newsHello. I've uploaded a new version of basizx. Now there is also an Amstrad CPC incarnation, able to LOAD and SAVE +3 basic files in disc. And the I…
... don't need to renumber lines. That stuff can be switched ... a question of where to draw the line. When you start ...Groundbreaking gamesWhich games really broke new ground? I mean the ones that actually got around the hardware limitations of the Spectrum. For example: Aquaplane - f…
... use of timing tricks to draw things in the border (well ... to change attributes on individual lines
Nothing too impressive ...Complex DRAW command?After looking at some Speccy code I noticed that the DRAW statement is used to draw lines (or it looked that way). On the Coco, the LINE command was…
... =Matt_B;171187]As for a DRAW routine that could manage arbitrary ... , there was something along those lines in the book [URL="http ...Help make Retro Gamer greatI'm more than happy with the articles that are now appearing in Retro Gamer, but I want it to become far more of a hub for the retro community than i…
... of adverts for telephone chat-lines at the back of each ... probably have more of a draw than you might expect going ...My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... ,192 ;number of lines to draw
push bc ... only counting 192 lines, I'd put ... and count bytes rather than lines:
[ ... line
ldir ;draw line
lines). LDI sets the ...Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... would have been slower. To draw a character you'd have ... 32 when moving down scan lines, eg. Both can be equally ...Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... would have been slower. To draw a character you'd have ... 32 when moving down scan lines[/QUOTE]
The Speccy layout ... ADD HL,DE to advance lines, with DE holding 32 throughout ...Reason for strange display layout?I have always wondered if there is any technical reason behind the strange layout of the display file or why did Sinclair choose to do it this way?
... into character cells, the sprite draw code draws only character size ... coordinate so you have to draw those extra blank pixel rows ... ADD HL,DE to advance lines, with DE holding 32 throughout ...Notation questionI wasn't quite sure where to put this post, so anyone's welcome to move it whereever may be more appropriate. So I'm reading about Z80 interrupts he…
... megohms) so the input will draw only picoamps when tied directly ... (and many of the signal lines) on a Z80 have three ...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…
... find all of SP1's draw functions defined (SP1_DRAW_MASK2, eg ... masked sprites move in straight lines
// at various speeds ... // main loop
sp1_UpdateNow(); // draw screen now
for ...Collision detectionI understand the basic methods for testing for collisions but I have question about the trickier situation of testing for when shots hit the backgrou…
... set in each of four lines = 4 / single bit for star ... I have decided to just draw the stars after the bullets ...Collision detectionI understand the basic methods for testing for collisions but I have question about the trickier situation of testing for when shots hit the backgrou…
... collision on even pixel lines
2) draw all stars into odd ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... side of the plot to draw the mountain.
Details ... up production capacity a few lines later.
Likewise, the ...Nelson Mandela statueNow i dont mean to be controversial BUT is it just me ? Why have we got a statue of Mandela being unveiled today and everyone going crazy about it ?…
... up the cold war boundary lines. Amongst the dead 200,000 ... hindsight comments but don't draw the same conclusion.
plotting and rotating wireframesCan anyone point me to an example of plotting a (2d) shape and rotating it in basic. Unfortunately my trig was never that good and I want to get a h…
... , since the lines are drawn as connected segments the draw function could ... =v(p,2)
960 DRAW x1-x0,y1-y0
Diag Board and Simple 8bit IDE IFHello, finally I have made it. After finishing Winston's Diag Board a few days ago I started yesterday building the 8 bit IDE Interface from Peras s…
... , if they use the same lines, ports, etc.
2-There ... of current that you can draw from the Speccy.
