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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…
...
The implementetion (in theory) for horizontal scroll is delaying X cycles ... the signals /Hsync and /Border with a 8 bit shift ... 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…
... of burning shiny toilet paper in the morning! (allegedly!), plus ... Demo
30 PAPER 7: BORDER 7: INK 0: CLS
in three modes: left, centred and ... ;CHR$ 0'"Windows will automatically scroll upwards when required, or you ... -
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…
... wrote a 'BBC Emulator' in BASIC that gave the impression ... launching itself when anyone logged in to a public account, loggin ... d done a few type-in messages in shops. The most memorable ... 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 …
... a web page that runs in IE in Windows, but with local ... !" to produce the output file in the same directory as the ... also corresponding attribute [checked="yes"] in
' HTML tags [input type ... -
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 ... open. Note the SP address in the Registers window, 25000. ... Press Pause in the debugger window and close ... Side effect is that the border text now works on 48k ... -
30-column 8x2 multicolor (even in 48K)I don't recall any 8x2 multicolor routine for 30 columns that would work on all Spectrum models (including the Spectrum 48K), so I decided to write i…
... circular buffer and (b) synchronised border changes for the overscan roads ... with the background pattern 00001111 in all its empty spaces, ... with using different 8x2 textures in the background and manipulating ... and make them appear to scroll. It works OK for a ... -
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…
... :
[LIST]
[*]In the new editor, pressing key ... directly.
[*]In the new editor, the active ... s exactly like the BORDER/INK colors in Sinclair BASIC. When ... copy or move tiles, mirror, scroll, etc. Although ColorTILE also ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... 32 bytes to each in sequence. Therefore the screen ... can be seen in 3 weeks in paradise but does ... ....
Song in Lines 4/5/ MDA Demo ... border lines only towards bottom of the screen, nice text scroll ... whole load of All-In-Ones (multiload games made ... -
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…
... ; no direct graphics support in hi-res
.endif ... br /> defb num_exp_0
defw scroll
p_stop:
... br /> defb numexp_nofops
defw border
p_continue:
... ; no direct graphics support in hi-res
.endif ... -
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) […
... scenery blocks using attributes, then scroll them up and down just ... as possible during the top border time, then erase them again ... they will automatically be redrawn in the new position. The game ... have to run in the time left in the bottom border.
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…
... ld (vars), hl ; store address in
ld (prog), hl ; ... /> ld (bordcr), a ; set BORDER color
ld (attr_p), a ... br /> ld a, 25 ; scroll counter value
sub ( ... + _vdu_flag) ; signal lower screen in use
ld de, rpt_mesgs ...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…
... sub 25 ; scroll required?
ret ... cl_scroll ; scroll number of lines in B
border color
ld ...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…
... /> .ifdef ROM1
ldir ; scroll pixel line in graphics mode
.endif ... so
ld a, (bordcr) ; border color to A
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) […
... multicolour sprites during the top border (typically 12x12 sprites that can ... attributes again. I wouldn't scroll horizontally. I don't know ... player's 'home' could be in a corner of the screen.Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…
... 16x16 sprites during the top border. Horizontally with 8-pixel ... deformed one pixel shorter in the body to better ... 00001111 background, draw the scenery in ATTRibutes, but also draw ... ATTRibutes, so they'd automatically scroll with the background. Then ...Totally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…
... SPECTRA - during top/bottom border time, page in the alternate screen, write ... get a lot of tearing in the graphics though if you ... trying to do something like scroll the screen.What is this Nirvana engine?Ive been trying to look for a thread on this but cant seem to locate one. I downloaded a spanish game called El Stompo that uses this engine which ha…
... scrolls (the colours) vertically in pixel steps. The screen ... 's also a synchronous border colour switch that lets ... graphics overscan into the border as bars of colour ... draw on. The buffer in the [I]River Raid ... , so it could not scroll or relocate them easily. ...ZXMAK2 Version 2.7.3.3Hi all, new version of ZXMAK2 emulator is available here: [url]https://zxmak2.codeplex.com/releases/view/106228[/url] Whats new: - a lot of bugs wa…
... (right click on the process in windows task manager, for example ... completely smooth scroll on my computer.
Average color including border is ... blue and green stripes on border:
[URL=http ... which will find its place in one of the best spectrum ...ProTracker manual/instruction in English?Hello. A friend of mine would like to start making AY music on ZX Spectrum. In this purpose he'd like to have a ProTracker's instruction/guide/manu…
... with former)
√ Scroll step (scroll down after inputting note)< ... compilation errors are shown on border.
Since v3. ... in basic block:
5d3b, 5d3c = colours;
5d3d: bit0-2 = border ... *F - empty note (autodata+autoenv+scroll)
*W - on/off ...64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…
... possible to have 32 columns in Spectrum 48K. The solution ... pre-calculate them during upper border.
However there ... be stored as single attribute in linear buffer. It means ... for odd numbers. To repeatedly scroll single steps sideways, you alternate ...ZX Spectrum issue 2 has only blue tintsRecently I've bought a 16k speccy and ran into some issues with it. Faulty keyboard, broken caps, no stable frequency, faulty lower RAM chip, it bein…
... should initiate the red/cyan border after starting a
... press enter when it says 'scroll?' then disconnect the membrane and ... eight colour bars are present, in their correct colours. Finally ... correctly and the bars displayed in their correct colours. Check ...Subtract 4 from an addressThis is a novice Z80 question really: I'm trying to vertical scroll my back buffer, but I'm not sure of the quickest way to apply an offset and mo…
... area I need to vertical scroll is therefore 18 chars wide ... used both for exiting right border on one row, and exiting ... left border on next row. Something like ... avoid placing these 2 chars in a 256 bytes boundary, and ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... area is 20 characters high, in this case your routine needs ... running above #8000, in order to run in uncontended RAM.
- ... disables interrupts while copying.
- Border area, is painted RED, on ... Keys 6 and 9, to scroll.
Look at ~1 ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... keys 6 and 9 to scroll left and right.
in color (just for test ... />
Border Legend:
1 - Red Border is Sync from ... RAM
3 - Blue Border marks screen end.
... />
Cutting 8 lines in height, allows for an extra ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... line, and one attr char in color (just for test).
Border Legend:
1 - Red Border is Sync from ... />
Cutting 8 lines in height, allows for an extra ... 'on the border'. Furthermore, if you limit the scroll to 2 directions ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... ;864225"]This is really nice scroll there.[/quote]
... scrolling every two frames, but in the end it will be ... 'on the border'. Furthermore, if you limit the scroll to 2 directions ... attribute data, which is small in comparison.
For a ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... a lot of CPU in dummy loops, or finding ... to update the right border tiles on buffer, if ... could surface some odd scroll glitch behaviour, like ... the right margin, and then scroll starts again.
< ... one could only advance/scroll, after eliminating all enemies ...Startup colours of the Spectrum ROMHi Folks, Thought I would have a go at changing the startup colours of the Spectrum ROMs used within BasinC which ships with 48.rom (16384 bytes) …
... correct cursor
// in the Status Bar.
... br />
// Fix the scroll-into-ROM bug, as the ... Trap - other trap is in the core, HALT instruction.
// Memory[$11CD] := $05; // Cyan Border
// Memory[$1266] := $0D; // Cyan ...Comp.Sys.Sinclair Crap Games Competition 2017As the creator of the second-least crap game in last year's competition (and the only mug stupid enough to agree to host it this year) I am proud/ash…
... 9000 onward. Note that in each of the listings ... same then anything drawn in pixels will disappear (so ... extra UDG data. Then in your program, POKE the ... 30 REM Sinclair BASIC Attribute Scroll Mechanism
40 REM ... 60 INK 7: PAPER 0: BORDER 0: BRIGHT 0: FLASH ...
