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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…
... has done a very smooth vertical scroll for the ZX Spectrum. Maybe ... -
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…
... has done a very smooth vertical scroll for the ZX Spectrum.[/QUOTE ... -
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…
... you don't need to scroll the store in memory. You ... buffer.
For a vertical scroll, move the point you start ... as described above for a vertical scroll. -
Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... /> RSTYSCR 0x001F7704 DWORD Raster vertical scroll.
BGCOLOR 0x001F7708 DWORD ... PF0YSCR 0x001F7710 DWORD Playfield 0 vertical scroll.
PF0ARGB 0x001F7714 DWORD ... PF1YSCR 0x001F771C DWORD Playfield 1 vertical scroll.
PF1ARGB 0x001F7720 DWORD ... -
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... a much improved chip, offering vertical scroll, eight multicolour sprites per scanline ... -
Smooth (vertical) scrolling on ZX SpectrumI was just thinking about this. You know, you have systems like Atari 2600 or Sega SG-1000 that have no hardware scroll, but they have games that sti…
... easy to achieve a smooth vertical scroll simply by generating each scanline ... SG1000, this only appears to scroll at the character level. It ... -
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…
... if you were using hardware scroll.
Additional features added ... might be hardware scroll.
Doing your scroll is not difficult ... , however, doing a wrap is. Vertical scroll is particularly difficult as it ... -
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…
... if you were using hardware scroll.
Additional ... be hardware scroll.
Doing your scroll is not ... however, doing a wrap is. Vertical scroll is particularly difficult as it ... new software, like hw scroll or scanlines counter interrupt so ... -
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…
... [/url]
The scroll state are the 3 lower ... not showed correctly (but the scroll in the emulator is well ... (of course without fine grain scroll).
3. The changes ... is reserved for vertical scroll (5b38 if horizontal and vertical scroll are used at ... -
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…
... [/url]
The scroll state are the 3 lower ... not showed correctly (but the scroll in the emulator is well ... (of course without fine grain scroll).
3. The changes ... is reserved for vertical scroll (5b38 if horizontal and vertical scroll are used at ... -
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…
... upgrades for that PCB: horizontal/vertical scroll, raster interrupts, non-blink video ... -
New recoloured game - After The War 1 :)As suggested and requested by some people I tried my skills with adding colour to this well known Spanish beatemup. And well... I did it :) I can sa…
I may have a look at DD2 later :)
It seems to have smooth vertical scroll so it would need corrections.
Btw, Swainy, how's Outrun Europa? :) -
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 8 lines hidden when vertical scroll is enabled, but the circuitery ... implementetion (in theory) for horizontal scroll is delaying X cycles (for ... and 7.
The vertical scroll is simpler. The counter for ... -
Another vertical scrolling questionwhile talking about w256 x h128 vertical scrolling, are 128k modes have any advantages over 48k models? has extra ram or swappable screen buffer any…
... no neat trick to make vertical scroll better/easier/faster on 128k ... -
ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…
Ok. Ive done it.
The vertical scroll printing about 7 or 8 sprites goes 25 fps. :grin:
Multidirectional scrolles go about 12,5. :confused: -
Face-Off: ZX Spectrum vs. Commodore 64I found an old oldish, but very informed and interesting article on the ole Spectrum vs. Commodore 64 argument. The article explains the technical d…
... bottom scoreboards required changing the scroll registers at just the right ... score bar.
For vertical scrolling it's much trickier ... [/i] to write a maskless vertical scroll, have a look at [b ... there isn't that much vertical movement in [b]Kikstart 2 ... -
Any love for Ranarama?I reviewed Ranarama this week for ChinnyVision and just got sucked straight into it again. Doesn't seem to be a game with alot of love for it though …
... cool and effective.. Quazatron scroll feels too akward nowadays.< ... a typical Amiga smooth scroll.. much better than what ... 90. Its graphics and only-vertical scroll was slightly deceiving.
...
( I understand vertical scroll was the best for AtariST ... -
1985-2015.A topic where we can review games released on the Speccy 30 years ago, or, anyway, talk about that year.
... the race itself in a vertical scroll controlling the levels of the ... -
1985-2015.A topic where we can review games released on the Speccy 30 years ago, or, anyway, talk about that year.
... the race itself in a vertical scroll controlling the levels of the ... -
Scrolling colourful graphicsHi,<br>I'm experimenting with scrolling colourful graphics. I'm keeping 8 pixel empty gap between colourful blocks to avoid colour clash.<br><br>But …
... char (like in your second image).
Scrolling pixels should ... hit this threshold, you should scroll attributes once in that same ... will be able to freely scroll image in both directions without color ... -
New game released: EXPLORER<div><span style="font-size: 13.3333330154419px; line-height: normal; font-family: 'Courier New';">- EXPLORER -</span></div><div><span style="font-si…
FLICKERLESS UPDATE!
Einar Saukas has written a special routine which removes any colour-flicker during the vertical scroll. Many thanks Einar for this magic!
Enjoy the updated version! -
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…
... . The area I need to vertical scroll is therefore 18 chars wide ... -
r-type in development for the sam coupehttp://cookingcircle.co.uk/ we need z80 coders graphics artists and audio this is the amstrad cpc 6128 version: https://www.youtube.com/watc…
... />
If you want to scroll left of right, increase / decrease ... two pixel horizontal scroll. If you want to scroll up or down ... will give you pixel vertical scroll. You can scroll as fast as you ... -
1985-2015.A topic where we can review games released on the Speccy 30 years ago, or, anyway, talk about that year.
... both in a horizontal and vertical way, with a touch of ... , it doesn’t disappoint. The vertical scroll is good but I miss ... -
1986-2016.I'm early, but I'm tired of 1985. So here's the annual thirty-years after topic about Speccy games.
... through 10 levels in a vertical scroll.
The ball must ... area is monochrome, though), the scroll is smooth, the sounds are ... -
ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... ) The cause of the displays "vertical scroll" is not known -
ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... ? Maybe that would explain the vertical scroll problem and the poor performance ... -
ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... cycled through a kind of vertical scroll - which was good enough to ... could see the same effect vertical scroll effect ,though less clearly this ... -
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/…
... , and a small threshold for vertical positioning allowance.
The ... for level transitions, when a vertical scroll is needed.
Without compromising ... -
1986-2016.I'm early, but I'm tired of 1985. So here's the annual thirty-years after topic about Speccy games.
... movement in an horizontal & vertical scroll. We can find some similarities ...
