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Search Again :: Adv Search 1000 results in 0.014s
<1…16171819202122…34>
  • Blackstar by Richy Pitch[youtube]FQLznlyLONI[/youtube] Discuss. Points will be deducted from the first person who asks "can this be done on a real Spectrum?"

    ... first 2/3rds of the pixel data.[/QUOTE]

    It ... (123 bytes in lenght, autostart line 10) reads:

    [CODE ...
    zxbruno zxbruno March 2010 Sinclair Miscellaneous
  • My first platformerHi all! How do you do? Been lurking here for a while, but never had the courage to join the forum. :) The Speccy was my first computer, so I've alw…

    ... will have noticed this initialization line:

    [code]
    sp1_Initialize ... is till moving them in pixel increments but the NR functions ... you always move in 2-pixel increments, you only need 4 ...
    Alcoholics Anonymous Alcoholics Anonymous March 2010 Development
  • New member here. And a spider! :)Hello everyone. My name is Sekrets. I'm quite a lonely individual, searching for a digital home where I might find fellow speccy enthusiasts to adopt…

    ... />
    ld hl,line
    ld b,(hl)< ... long as col and line are single bytes defined ... /> col defb 0
    line defb 0
    [/code]
    So for example, zx_pxy2aaddr (pixel x,y to attribute address ... .

    Pixel placement horizontally requires you to ...
    Alcoholics Anonymous Alcoholics Anonymous March 2010 Development
  • Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …

    ... can work aligned on 8 pixel boundary in horizontal direction and ... on 1 pixel in vertical direction. if you ... ) but a sprite line. because it is the line which need to ... /or mirrored). while bytes in line depends on its neighbours, lines ...
    Fikee Fikee March 2010 Development
  • Your views on...Code-name MAT[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0001002]Code-name MAT[/url] Another game which I never got round to playing, but a couple of m…

    ... from you in a straight line. It's easy to shoot ... only visible (as a single pixel, but the attribute clash is ...
    ajmoss ajmoss April 2010 Games
  • Can a Voxel 3D engine be made in ZX Spectrum?I am not a programmer! So I could not investigate it... But I am not shy enough to shut up, I have to say the idea. I thought about this some weeks a…

    ... =2x" gives you a straight line, but with loads more detail ... a 3D version of a pixel. It's a dot in ... what colour or height your pixel or voxel is, or instead ...
    joefish joefish April 2010 New game ideas
  • Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…

    ... display area is FINITE: 448 pixel clocks, exactly; and quite a ... simply generating the next scan line.

    I presume that ...
    Madonna Mk 2 Madonna Mk 2 April 2010 Emulators
  • Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…

    ... :

    0x4000-0x57FF Screen Pixel Data
    0x5800-0x5AFF Screen ... the 1-bit on/off pixel data for the 256x192 screen ... it's not simply one line after the other. Addresses 22528 ...
    joefish joefish April 2010 Emulators
  • Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…

    ... it paint a new horizontal line of border.[/quote]

    pixel chunk, not just once per line.
    Philip Kendall Philip Kendall April 2010 Emulators
  • BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…

    ... three colours in each 1x8 pixel attribute...

    As weapons ... 5x multiplier). So, for a line of six you get 5 ... score 100 for the first line, then 200 etc. up to ...
    joefish joefish June 2010 Development
  • Why only 2 colors ?Maybe this question dont go on this part of the forum, but dont know what other part to ask. Why the Spectrum only can show 2 colors at time in the …

    ... The Amstrad could set any pixel to any of four ... have 16 colours per pixel, using the same amount ... those colours were per 4x8 pixel square. But then there ... 'll see each 16x16 pixel block only uses four ... is drawing the picture line-by-line, and so get more ...
    joefish joefish June 2010 Sinclair Basic
  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ... Character to Spectrum Screen on Pixel Boundaries
    ; Registers Used - AF ... at the end of a line,
    ;if so then ... 've jumped from one Character Line to another - messy but necessary ... a subroutine routine to convert pixel values into an absolute screen ...
    Turkwel Turkwel June 2010 Development
  • How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…

    ... memory
    xor a ;first line into A
    loop
    pixel in the horizontal line
    rra ;shift ...
    Shiru Shiru June 2010 Sinclair Basic
  • How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…

    ... memory
    xor a ;first line into A
    loop
    pixel in the horizontal line
    rra ;shift ... . [/QUOTE]

    the first line to place the udg into ...
    arfgh arfgh June 2010 Sinclair Basic
  • How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…

    ... memory
    xor a ;first line into A
    loop_udg
    pixel in the horizontal line
    rla ;shift ...
    xor a ;first line into A
    loop_udg
    pixel in the horizontal line
    rla ;shift ...
    arfgh arfgh June 2010 Sinclair Basic
  • How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…

    ... ,$ff
    or a ;first line into A
    loop_udg_b
    pixel in the horizontal line
    rla ;shift ...
    arfgh arfgh June 2010 Sinclair Basic
  • How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…

    ... memory
    xor a ;first line into A
    loop_udg_b
    pixel in the horizontal line
    rla ;shift ...
    arfgh arfgh June 2010 Sinclair Basic
  • Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …

    ... of the area for one pixel if you want to use ... />
    call fillSolidLine ;filling top line
    call downHL ;and going ... again, for the last (bottom) line
    jp fillSolidLine ;the same ... address of the next screen line, calculating it from the given ...
    Shiru Shiru June 2010 Sinclair Basic
  • Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …

    so then the expand 1 pixel is a bad idea because this pixel get the attributtes of the whole column. In this case will be better to remove the out line in the code and use the plot routine.
    arfgh arfgh June 2010 Sinclair Basic
  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ... /> ;convert the Y and X pixel values to the correct Screen ... at the end of a line,
    ;if so then there ... 've jumped from one Character Line to another - messy but necessary ... a subroutine routine to convert pixel values into an absolute screen ...
    Turkwel Turkwel June 2010 Development
  • Sprite MaskingI was looking at the sprites in some games, and noticed they have sprite followed by mask. Usually a row at a time (so the mask is sort of interleave…

    ... 're writing a simple 8x8 pixel sprite. LDI will do the ... jump to the next scan line in a character cell by ... de ; line 6
    inc d ; line 7[/code]

    Line 6 ...
    ajmoss ajmoss June 2010 Development
  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ... would be nice to have pixel level masked and unmasked sprite ... code below a certain theoretical line.

    (Though clever programmers ...
    Gedlion Gedlion June 2010 Development
  • Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…

    ... SP1DrawUpdateStruct.

    Line 97 of [URL="http:// ... that is done, the pixel buffer is copied to ... into the pixel buffer is at line 151 and ... sprite character into the pixel buffer at address SP1V_PIXELBUFFER ... resolutions in the 512 pixel range but didn't ...
    Alcoholics Anonymous Alcoholics Anonymous June 2010 Development
  • speccy colors ajnd pixels and stuffwhat are the speccy colours? specifically the RGB values of them. i suppose could just put a screen in photoshop and work it all out. also how big …

    ... than 2 colors into 8x8 pixel square.[/QUOTE]
    Oh bugger ... it does have some odd pixel-setting quirks, like not drawing ... at both ends of a line. But for setting up screens ...
    joefish joefish June 2010 Sinclair Miscellaneous
  • Why is this not invented yet.I know sky plus can record programs onto a harddrive for later watching, replaying, and slow mo etc. This as I think is correct can record one channe…

    ... /> you would get one picture line from each. not exactly watchable ... at a multiple of the pixel clock* multiplied by the number ... lines so has no actual "pixel clock" but it's generally ...
    guesser guesser July 2010 Chit chat
  • Using the stack to copy memory blocksA [b]PUSH[/b] and a [b]POP[/b] instruction together take less time than two [b]LDI[/b], so long [b]POP/PUSH[/b] sequences are sometimes used to copy …

    ... to move down in two pixel steps and left/right in ... 16 pixel steps; and even now you ... a seperate colour on each line of the whole 12 characters ...
    joefish joefish August 2010 Development
  • ZXDS 0.9.1 beta 1Hi! After way too much time, new [URL="http://zxds.raxoft.cz/"]ZXDS[/URL] version is available. Doesn't add much stunning features (although the dis…

    ... up or down pixel-perfectly and its hard to line up in ...
    takapa takapa August 2010 Emulators
  • ZXDS 0.9.1 beta 1Hi! After way too much time, new [URL="http://zxds.raxoft.cz/"]ZXDS[/URL] version is available. Doesn't add much stunning features (although the dis…

    ... up or down pixel-perfectly and its hard to line up in ...
    mile mile August 2010 Emulators
  • Mr Do! ?Not exactly a new idea (at least twenty-seven years old now :-o), but how about a port of Mr Do! to the Spectrum? There was never an official one, ev…

    ... from around 1981 used 16x16 pixel sprites. Mr Do! used 12x12 ... pixel characters within a 16x16 pixel game grid.
    pixel bytes. There's enough time ... will take one ULA scan-line precisely. A program can poll ...
    ajmoss ajmoss August 2010 New game ideas
<1…16171819202122…34>

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