-
ULAPlus: showing different screen modes in one screenI wanted to write a demo showing the same screen, converted to various screen modes available on the Spectrum (well, a Spectrum clone capable of show…
... showing the same screen, converted to various screen modes available ... a standard Timex HiColor screen (hires attributes using the Spectrum standard ... is a ULA+ screen (low res attributes with 64 colour ... is a Timex HiColour screen with ULA+ palette enabled ... -
64x48 full colour graphicsHow feasible is this? Could an interrupt-driven routine be used to, for example, fill the top two thirds with a 64x32 blocky picture and leave the bo…
... be used to, for example, fill the top two thirds with ... have to fill the screen with CHR$ 0x85 then change attributes every 4 ... for 128K using the shadow screen it seems, but seems doable ... -
Quickest way to fill the attributes using LDIRI'm looking for a small routine to fill the entire attribute area of the memory with a single value, I've used LDIR in the past, but forgotten how to…
I'm looking for a small routine to fill the entire attribute area of the memory with a single value, I've used LDIR in the past, but forgotten how to do it... :confused: -
2nd WoS Screen$ compoOk, what about a new compo? This time we are going to change a little bit the topic, and it is going to be about mock-ups of never released games for…
... .It can be a new screen$ or an old one you ... a mock-up with Spectrum attributes and characteristics.
If ... -
Gift From The Gods - New Loading Screen.So, here it is - the new loading screen for Ocean's Gift From The Gods. Based on Bob Wakelin's original artwork : [img]http://i1239.photobucket.com/a…
... it is - the new loading screen for Ocean's Gift From ... possible with the Spectrum's attributes...well, it was possible, but ... -
Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... each UDG, or handle the attributes as a separate character map ... wise to copy the attributes to the main screen at least row ... assumed that the UDGs, their attributes and any character maps start ... is larger than the rendered screen and/or wraps-round horizontally ... -
BIFROST* for graphic artists - part 2: static tilesThis tutorial provides some guidelines for designing multicolor tiles. Before reading this text, it's strongly recommended that you (re-)read [URL="h…
... be impossible using standard Spectrum attributes:
[IMG] ... different using standard Spectrum attributes (except for the hero ... enough multicolor images to "fill" the entire multicolor tile, ... lots of tiles together on screen.
For ... -
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…
... to print large on the screen using LPRINT, it works ok ... ]org 32000
call cols ;fill attributes
ld hl,72 ;start ... -
Manic Miner - Loader And Screen DifferencesThere are some changes between the various releases and re-releases of Manic Miner with both the loader and the loading screen itself. Here I'll deta…
... the loader and the loading screen itself. Here I'll detail ... is just the middle third attributes with this version, ie 256 ... the game on the Warehouse screen and the 'typewriter' version of ... the screen cheat.
[img]http ... -
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…
... ]bicolor[/B] graphics everywhere* on screen.
In practice, ... ]"btiles"[/B] anywhere on screen (even partially hidden outside ... image), draw btiles, and "fill" a bicolor position (useful to ... ENGINE is also "full-screen". Technically, perhaps it would ... -
Clearing 22 lines of the screenHow do I go about clearing the top 22 lines of the screen and leave the bottom #0 area untouched? I have a routine to reset the attributes, but cant…
... top 22 lines of the screen and leave the bottom #0 ... a routine to reset the attributes, but cant delete the 16384 ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... to check the attributes of tiles on the screen, in BASIC? It ... , allowing me to apply attributes to the screen?
Is it possible ... -
Manic Miner loading screen adjustmentHad half an hour spare earlier and wanted to try a few things. Always like to learn anyways even now. [URL="http://www.yellowspider.co.uk/speccy/Man…
... .tap"]Manic Miner New Loading Screen$[/URL] , .tap file so right ... /> I considered removing the flashing attributes and having them staggered below ... the top third of the screen.
The most annoying ... to fix it in the screen$. -
Double Buffer UtilityHi Folks, I've been experimenting with double buffering on a 48k Speccy for a small project I'm working on. After reading lots of good advice here…
... /> # - Does not do anything with attributes
#Class to ... /> #6.2 - Pop registers to fill them up
segmentWidth = self ... implement printBehaviour by printing to screen
class ScreenPrintBehaviour:
def ... -
SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... /> CLEAR [array()[,value/value$]] will fill an array with a value ... COPY to override behaviour
SCREEN$ - as from Sinclair BASIC, identifies ... /> Fixed:
Some text attributes were inappropriately cleared at times ... -
Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…
... is supposed to fill every byte of screen (not attributes) with 255.
"ZX80 Brain" RPN CalculatorIt is at times like [url=https://www.worldofspectrum.org/forums/discussion/54176/depression]when threads such as this are posted[/url] that I get the…
... /> - Shown a "keypress on the screen" by temporarily turning on the ... the display file where the attributes are held. It may seem ... />
- only keys shown on screen will actually do anything
- the stack won't fill beyond 17 values or empty ...Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
... Came across the following Flood Fill routine by John Metcalf:
[code]; scanline fill by John Metcalf
; call ... a set pixel or the screen edge
seekleft ... /> ; save their coordinates to fill later if necessary
Hiding a Loading Screen?Hi folks! Is there an easy way (a POKE or something) to hide the drawing of a loading screen? I did find a post from leespoons in an old thread wh…
... the drawing of a loading screen? I did find a post ... when you've got a screen$ to load and don't ... on black paper before the attributes load in, as BORDER 0 ...PAPER&INK: screen/character differenciation?So I was looking at a type-in listing earlier and I got to wondering how the Spectrum differenciates between knowing that the PAPER/INK commands need…
... commands needs to change the screen background/text colour or just ... the character. To change the attributes of a character only the ...Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... zx-spectrum-scanline-flood-fill.html"]John Metcalf's ... 04/zx-spectrum-scanline-flood-fill.html
... some space for shadow screen buffer
20 ... 200 REM Coordinates to start fill
210 POKE ... /> 300 REM Location of fill pattern
310 IF ...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?
... br /> ; exit : Carry = moved off screen
; HL = moves one pixel ... the sprite graphic since they fill in the complete char ... then redraws the listing on screen, the speed of character ... with the same again for attributes 8K further on. With careful ...Help hacking Split PersonalitiesI`ve been hacking away at Split Personalities for the purpose of putting new screens and graphics (items). The current screen is at 41187 and is 160…
... leave the #0d and fill the next 13 numbers with ... to #e0dd.
Packed screen addresses
===================
... #9772
#9f4e end of screen 10
Screens ... see where the attributes start on a screen break on #e0b7 ...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…
... actually draw this stuff to screen. The [b]d_DrawPlotIntoBuff()[/b] ... .row, r.col") *on screen*. To fill in "r.row" and ... 0 if none)
uchar *screen; // +8 address in display file ... we must remember to store attributes in the 9 byte ...Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
... number of squares left to fill, call it the "nth", and ... then fill the "nth" unfilled square. This ... /> I assume the screen starts with all attributes not equal to 0 ...Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... EOF, deleting files, changing file attributes etc.
[/quote]
fill routine which can fill with an 8x8 ... space to do a blank screen (vs the >30k ... had specialized routines like "fill rectangle" or "fill triangle", they would be ...Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…
... use the 128's second screen as a back-buffer, so ... is visibly loaded before the attributes. I started work on a ... data as possible between screen writes, to fill up whatever processor time ... there's less happening on screen). This might make the encoder ...Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
...
;PseudoRandom Memory Fill
;Store end of scan ... Restore Seed used for memory fill
LD (SEED16),HL ... E
;
; On screen QP_SCREEN (default 16384)
; ... now contains correct offset into attributes file
...Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…
... screen is 3 byte CALL of ROM routine.
To fill ... whole screen area, including attributes, with zeroes, there is ...Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…
... screen is 3 byte CALL of ROM routine.
To fill ... whole screen area, including attributes, with zeroes, there is ...
