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River Raid Tech DemoJust a little something to look at. Enjoy. [URL="http://www.joefish.co.uk/speccy/Joefish_River_Raid_Tech_Demo_01.tap"]Joefish_River_Raid_Tech_Demo_…
... just regular Spectrum graphics and border effects.
[QUOTE=gasman ... /> - then during the upper/lower border, poke suitable values into the ... just need to follow the scroll down and change one at ... -
I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…
... variant of the top/bottom border removal trick where you switch ... .
I did bottom-border removal with a raster interrupt ... allows for a smooth vertical scroll in pixel increments, and a ... 16 pixel horizontal scroll.
To get the ... -
48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…
... /> * Any commands relating to colour (BORDER, PAPER, INK), sound (BEEP, 128k ... normally ask a Speccy to "scroll?"), it will stop, printing backspace ... -
48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…
... /> * Any commands relating to colour (BORDER, PAPER, INK), sound (BEEP, 128k ... normally ask a Speccy to "scroll?"), it will stop, printing backspace ... -
border graphics / text tricks ?just curious if it was possible.. I mean in basic, when you scroll a program you have "scroll ?" in the lower border? is there trickery that you can…
... program you have "scroll ?" in the lower border?
is ... area paper is setted by BORDER command instead of PAPER ... no one ever uses the border?!?![/QUOTE]
actualy, some ... neat effects including text in border. basically it is very similar ... -
border graphics / text tricks ?just curious if it was possible.. I mean in basic, when you scroll a program you have "scroll ?" in the lower border? is there trickery that you can…
... program you have "scroll ?" in the lower border?
is there ... />
[CODE]
10 BORDER 4: CLS: BORDER 5: REM so you ... -
LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…
... done a very smooth vertical scroll for the ZX Spectrum. Maybe ... screen details instead of the border. If you reduce your interrupt ... -
Spectrum Serial Numbers Wanted!![b]This post updated Sept. 26, 2013[/b] As far as I know, the serial numbering system for the Spectrum has never been fully worked out. For the p…
... fact, if you get a Scroll prompt in a program and ... auto-starts with a flashing border. If I plug the Interface ... as well then the flashing border doesn't happen, but the ... -
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…
... border invisible.
The game screen will still need to scroll ... ULA is drawing the lower border.
I believe I ... -
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…
... border invisible.
The game screen will still need to scroll ... ULA is drawing the lower border.
I believe I ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... trying to get numbes to scroll within a character cell (bottom ... MCODE.
[CODE]100 BORDER 1:
PAPER 1:
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... trying to get numbes to scroll within a character cell (bottom ... MCODE.
[CODE]100 BORDER 1:
PAPER 1:
Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... a 50hz pixel smooth horizontal scroll:
[code]
org ... is a screenshot with RED border timings to show the above ... old when I wrote that scroll routine back in 1990 so ...50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... ]Is that having watched it scroll through to the pipes section ... I just think the black border one is more generic. But ...Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…
... nice keyreader, the border colour thing works for ... keys thing.
;Border colour changes every key selection ... br /> rlc b ;scroll through all the ports
ld a,(border)
inc a
jp exit
border defb 0
nokey ...Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... 254,A to set the border colour. Copy some data around ... a loop, then change the border colour again. You'll be ... loop took up as the border colour will change on whatever ... of rendering to do a scroll on a patch of scenery ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... to do an 8-pixel scroll. In [I]Cobra[/I] (the ... fastest scroll routine he wrote), there's actually a very wide border ...Scrimpy screensHere's a question - how small a window can you get away with as a playing area for an arcade/action game before anyone notices? From the very earlie…
... to it with a bright border image.
Playing ... playing area with a detailed border draws attention to the ... />
With a horizontal scroll, you can get away with ... at each side into the border, but three or more ... hiding with a vertical scroll?INPUT LINE and STOP in INPUTWhat was the reason for the ROM Editor routine causing "down arrow" while in an INPUT LINE to cause the "H STOP in INPUT" error report? Why doesn't i…
... are updated and that the border
; colour is used.
scroll wrongly.
[/code]Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... data, the writing on the border kept scrolling from right to ... ,87 caused the writing to scroll without shaking.Stuff the Speccy can do but we all thought it couldn'tHey all, Does anyone have any good examples of stuff the speccy can do - graphically, sonically, etc that we thought it wouldn't be able to do? Che…
... graphics in the border.
4 - Redraw or scroll the entire screen ...Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... with each small step you scroll upward, you can just redraw ... done by the time the scroll gets there. You don't ... the whole of the bottom border, the fly back and the ... next top border - that's 120 scan lines ...Retro GamerDoes anybody know when the next issue of Retro Gamer will be out? They told me to include an article about the Spectrum30 show in the News section an…
... style to Nightshade and the border around the gaming screen, Martyn ... exploring a map that would scroll from left to right (and ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... PAPER/INK colours match the border colour.[/QUOTE]
you ... 'new data' to appear to scroll in and out of though ... 't work because they would scroll with the data and you ...Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... implementetion (in theory) for horizontal scroll is delaying X cycles (for ... both the signals /Hsync and /Border with a 8 bit shift ... to 1 multiplexor. Also the /Border signal will be shorter (248 ... be strimmed (hidden with the border color).
There ...Printing a ListingHello my fellow WoS'ers Todays trouble starts with the need to print-out a listing - personally I would prefer a text file, but beggars cannot be c…
... Demo
30 PAPER 7: BORDER 7: INK 0: CLS
scroll upwards when required, or you ... can scroll them up manually:"
180 ...Computer pranksAnyone ever play a computer prank on a friend, or had one played on you? Here's a few which will make you laugh that I did back in the day... In 19…
... 254,A forever, making the border scroll stripes and shriek loudly, turned ...Compressors are available for Speccys ?Hi folks, although I was an wasn't strictly a speccy coder in the glory days (amstrad & amiga for the most part), I have secides to arse about with …
As an extra, here's a little HTA script I wrote to provide a front-end to "appack.exe", the packer that [B]Metalbrain[/B] has been optimising the unpacker for.
If you've not seen an HTA before, it's a web page that runs in IE in Windows, but ...Converting games to disk: difficult loadersThis thread has an spanish version in foro speccy, but I haven't gathered enough information to overcome my problems. I've been converting some game…
... />
When the debugger opens, scroll to address 16384, highlight the ... of data to be copied. Scroll the window down past the ... . Side effect is that the border text now works on 48k ...
