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Tutorial: ZX-Paintbrush and BIFROST*The latest version of [URL="http://www.zxmodules.de/"]ZX-Paintbrush[/URL] now supports editing multicolor tiles as used in [URL="http://www.worldofsp…
... I found it confusing to draw something without knowing the active ... . It's exactly like the BORDER/INK colors in Sinclair BASIC ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... poke
12 PAPER 0: BORDER 0: INK 6: CLS
21 REM Draw a circle at 128,88 ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... example) still rendering the top border, then you get no flicker ... />
Another solution is to draw everything on a hidden screen ... -
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…
... :
defb numexp_nofops
defw border
p_continue:
defb ...
.ifdef ROM1
defw draw
.endif
p_clear ... -
What would you do with four joysticks?Anyone got some inspiring ideas for four-player games, or twin-stick two-player games..? I can think of, for four players: [I]Warlords[/I] (Atari) […
... steps. So, you could draw a fixed 8x2 pixel ... pixel coloured blocks) and draw all your scenery blocks using ... draw as many sprites as possible during the top border ... time left in the bottom border.
If ... an easy way to draw 4x2 or 4x4 player ... -
NEW GAME: Elixir VitaeOnly 2 weeks after Janosik I have a pleasure to announce my next creation - a logical minigame called [B]Elixir Vitae[/B]. Just like another Polish …
... tiles. You draw the moving sprites during the top border, then overwrite ... black attributes in the bottom border. When you want to make ... -screen then call the draw function yourself to draw the objects where ... -
NEW GAME: Elixir VitaeOnly 2 weeks after Janosik I have a pleasure to announce my next creation - a logical minigame called [B]Elixir Vitae[/B]. Just like another Polish …
... tiles. You draw the moving sprites during the top border, then overwrite ... black attributes in the bottom border. When you want to make ... -screen then call the draw function yourself to draw the objects where ... -
Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…
... stack is being used to draw the buffer. (The garbage you ... a line appear in the border to the left of the ... -
What would you do with four joysticks?Anyone got some inspiring ideas for four-player games, or twin-stick two-player games..? I can think of, for four players: [I]Warlords[/I] (Atari) […
... , I can draw eight 16x12 multicolour sprites during the top border (typically ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... /> [QUOTE=slenkar;734712]Can I draw these sprites on top of ... except for the surrounding character border in blue in my screenshots ... /> If you really want to draw the background without using [B ... ]NIRVANA ENGINE[/B], you can draw the scenery using btiles, then ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... screen access[/B]: You can draw [B]"btiles"[/B] anywhere on ... on screen during the upper border, that you can use ... sprites (move or change image), draw btiles, and "fill" a bicolor ... 32x24), assuming an extra character border in all directions. Considering it ... -
Games featuring... relevant bugsThere was a recent improvement to the WoS database in order to classify [URL="http://www.worldofspectrum.org/forums/showthread.php?t=34261"]Games fea…
... stack is being used to draw the buffer. (The garbage you ... a line appear in the border to the left of the ... -
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…
... to the viewer. The draw order of overlapping sprites is ... (the selection of a 'draw function'). Sprites are moved around ... subtypes LB (left border) and RB (right border) are used for ... are invalidated, you program should draw sprites before making changes to ... -
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…
... type sprite), a faster draw algorithm is executed that ... RB (right border) sprite draw functions. These functions only draw graphics rotated ... /software/sp1/spectrum/sprites/draw/"]here[/URL]. When a ... now in sp1_UpdateNow is draw background followed by sprites ... -
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…
... if I add the extra border it shows up (which shouldnt ... first sprite column (the draw function can be associated with ... , LOAD, etc, characters). This draw function draws without looking for ... second column uses the SP1_DRAW_MASK2 draw function. This draws the ... -
That painter thing..I'm struggling to think of a non clunky way of detecting when a 'box' has been surrounded and can be highlighted, like in the pic: [IMG]http://i1142…
... calculate the size of each border; call once
ld ... 8),a ;A =size of border
ld ... ld (hl),a ;draw a red box border
ld (de ... ld (hl),a ;draw a red box border
ld (de ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... the 16x16 sprites. You can draw what you want in your ... program time in the lower border. And if the bottom 1 ... time frame during the top border you'll probably have to ... -
Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …
... screen - i.e. the border - erase stuff, draw stuff, in that order ... address. Then as you erase/draw, process each buffer in order ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... first screen rasterline after the border[/QUOTE]
Exactly.< ... the upper border, so the game won't need to draw any ... when the game "decides" to draw some tiles somewhere on screen ... "reconfigure" these tiles to draw specific tiles at certain screen ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... using larger sprites - but maybe draw them one character at a ... function in the top border to just draw characters from a list ... as maps of UDGs. To draw a sprite you would resolve ... -
Pseudo-3D map renderingHave been mulling this over for a while, until that isometric thread prompted me to ask. I'm not sure if this is officially classed as 2D, 2.5D, or 3…
... the scanline.
2-DRAW SPRITE OVER BACKGROUND, whatever routine ... . can be 'do nothing' or 'draw cell over player'* (or even ... before the top border (if drawing in top border that is).
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... sprites - but maybe draw them one character at ... in the top border to just draw characters from a ... btiles during the top border. If anybody needs a ... draw bicolor character instead of btiles during the top border ... btiles during the top border, I will make it ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... to draw bicolor characters instead of btiles during the top border, and ... be executed during the top border, so NIRVANA won't even ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... get printed during the top border, that the programmer can use ... erase (over-draw) a sprite during the bottom border then prepare the ... it during the next top border.
Or they could ... to run in the top border, but synchronising with someone else ...A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... to run in the top border, but synchronising with someone else ... ]NIRVANA[/B] uses the top border to draw 8 btiles, controlled using ... want to use the top border to do something different, you ...Game loopJust working on my first ever Spectrum game, and am struggling to work out what the game-loop should look like. I've got interrupts enabled (mode 2)…
... when raster reaches a BOTTOM border, not top one. It will ... but as you wrote, you draw directly to screen. It's ...Canonical Spectrum pixel aspect ratioHi, Do any emulators support scaling the Spectrum image to have the "correct/canonical" pixel aspect ratio? On a 4:3 display, Spectrum pixels aren'…
... ;747529]you mean if you draw a circle in BASIC it ... graphics card/driver. Leaving the border aside for the moment, it ...hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... /> char *strings[] = {
"BEEP", "BIN", "BORDER", "BRIGHT", "CAT", "CIRCLE", "CLEAR", "CLOSE ... /> "COPY", "DATA", "DEF FN", "DIM", "DRAW", "ERASE", "FLASH", "FORMAT", "FOR", "GO ...hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... /> char *strings[] = {
"BEEP", "BIN", "BORDER", "BRIGHT", "CAT", "CIRCLE", "CLEAR", "CLOSE ... /> "COPY", "DATA", "DEF FN", "DIM", "DRAW", "ERASE", "FLASH", "FORMAT", "FOR", "GO ...Why are multicolour engines only able to be made now?Now I'm no programmer, but, how come multicolour engines are only being created/designed now? I know there were Rainbow Graphics used in games in the…
... image the TV has to draw (though you can't ... frame. The reason the top border is 'bigger' is because ... something useful during the top border; whatever you do you ... why these game engines all draw a precise number of ... the 64 lines of border above the screen as ...
