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48k one dead, one dodgyhello everyone. I have 2 48k spectrum +'s (the one with the QL case). Both boards have issue 3B on them near the speaker. The first will power up …
... squares on the screen about 8 in total 4 each side ... /> 2 wide-ish yellow bars scroll slowly down the screen as ... new digi cam on the way to me. Don't know ... -
Help make Retro Gamer greatI'm more than happy with the articles that are now appearing in Retro Gamer, but I want it to become far more of a hub for the retro community than i…
... much all the major 8-bit computers had some ... the hardware sprites and smooth scroll kick in and all bets ... for the Speccy and Atari 8-bit, more complete SID ... designed recently), the Atari 8-bit and i seem to ... do the work the other way around, simulate a POKEY ... -
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…
... . This is a good way to make sure the program ... double width text messages to scroll across the bottom of ... />
for (i=0; i!=8; ++i)
{
*(sbuf++) = ... [code]
bmp = d_chars + *(s++)*8;
[/code]
"d_chars ... -
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…
...
But the easiest way to find out what's ... bmp = d_chars + *ch*8;
if (scroll_count&8)
*cart = ...
#asm
////////////////////////////////////////////////////////////////////
// Scroll the double printed message 1 ... -
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…
...
#asm
////////////////////////////////////////////////////////////////////
// Scroll the double printed message 1 ... for "uchar *dbuf" then 8 bits for "uchar l". The ... This works because of the way you've declared "scroll_buffer":
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…
... s post regarding the way z88dk interfaces with z80 ... ;
for (x=0;x!=8;x++) {
bmp = d_chars ... + (*ch)*8;
if ((scroll_count&15 ... I do it with 8, it chops off ... starting and stopping continual scroll and changing the message ...Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... missile now goes all the way down to the same row ... this way.
FIXED - The player now never sees the scroll ... ,p-1;" ^ ";: POKE 23620,22+8*(g=20)*(p=x+4 ...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…
... -half and scrolls it every 8 scroll_counts and for the rest ... is installed. This way the time taken to scroll and blit is ... ) {
for (x=0;x!=8;x++) {
bmp = d_chars + (*ch ... )*8;
if ((scroll_count&15)& ...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…
... is about 14000+224*23*8 = 55216 cycles from the ... raster catches up to the scroll area. As long as ... />
zcc +zx -vn scroll.c -o scroll.bin -create-app -lim2 ... get about (21*32 + 45)*8 = 5736+ cycles and for ... done it almost the same way. I will post a ...Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
...
(one line and without 'scroll?' message)
RPS means ... selection method in a similar way to coin flipping or ... ]
1 DIM a$(3,8):
LET a$(1 ...
PRINT "Rd: ";l;TAB 8;"Your sc.: ";z;TAB 22 ... PRINT '"You won!"(1 TO 8*m);"I won!"(1 TO ...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…
... difference. That's a quick way to work out what's ... first screen starts. If you scroll down or even better step ... up to 20 bytes (5+8+7)
3. #CB ...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…
...
[/quote]
The way I would do it is ... to loop 8 times for each scan line ... each loop do the following: scroll the scanline left one pixel ...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…
... b]d_PrintDoubleW()[/b]. The pixel scroll routine requirement has changed (the ... double width characters for the scroll. So a little later ... on, after the new scroll routine is incorporated, I' ... the following 8 bytes, etc. We do things this way because ...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…
... /> g_scrollShift = 16; // initialize current scroll shift
g_scrollPos = g_textBuffer; // ... , 32, 8); // scroll scanline left using operation #8 (rotate left ... that out of the way, "bmp" gets the ...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…
... of which there are 8, can occur either ... presented in the same way: a scrolling message ... end of message for looped scroll
d_ScrollStart(); // ... end of message for looped scroll
d_ScrollStart(); // ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... top of a group of 8 pixels
jr nz,addone ... top of a group of 8 pixels
jr nz,nextblock ... nz,nextline ;no, still some way to go
pop de ... ;otherwise continue with another pixel scroll
endroutine
ret[/CODE ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... about scrolls, the fastest way to move data around on ... pop. So the fastest scroll you'll get is by ... 25*7/8 + 65*1/8*7/8 + 80*1/8*1/8 = 34. ... run. (7 out of 8 times we escape using ... the first jp, 1/8 times we fall through the ... jump and 7/8 times we take the ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... about scrolls, the fastest way to move data around on ... pop. So the fastest scroll you'll get is by ... 25*7/8 + 65*1/8*7/8 + 80*1/8*1/8 = 34. ... run. (7 out of 8 times we escape using the ... first jp, 1/8 times we fall through the ... jump and 7/8 times we take the ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... are?[/QUOTE]
Chapter 8 in [url]http://www.z80 ... but this is not the way I had in mind... something ... /> And this doesn't even scroll the screen in pixel row ... only way to achieve this is to hard code the scroll in ...Computer SpacegamesBook Title: [B][URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000089"]Computer Spacegames[/URL][/B] Authors: [B]Daniel Isaaman & Jenny Tyler…
... print "you died on the way"
220 stop
[/CODE ... r=r+d
145 scroll
150 let n=l ...Games with Parallax ScrollingI loved that effect. It gave a false depth to the game.. To me a game with parallax scrolling was a better game. How wrong I was.. anyway, a list of…
... idea in mind of a way to use the attributes to ... width - depending on general the scroll direction but it could be ... these attributes "naturally" would scroll at 8 pixels each frame. Those should ... or paper colour scrolled at 8 pixels matching the attribute ...Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
... for different reasons, like to scroll window in game, or in ... text from buffer to screen, scroll up one string..." and so ... not fully printed. Or first scroll 8 pixels and then print new ... . In this way, you can dynamically change window size. "Scroll" is in ...Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... ]this[/url] article, the fastest way to write to screen is ... 4. A sample routine to scroll the Spectrum screen.[/b]
INC L ; do this 8 times
INC E ;
INC L ; do this 8 times
INC E ;
what were the things the Speccy architecture was good for?I don't know a hell of a lot about all the different computers hardware and I wanted to know if the way the Spectrum was built lent itself to certain…
... .
c64 can scroll screen in a simple way but the scrolling ... finite time. so CPU says "scroll by 2 pixels" and when ... it "changes mind" and say "scroll by 4 pixels". as upper ... every frame for a fast 8 pixel-moving poor man's ...A scrolling starfield - help needed!I have been messing on my speccy again recently and tried to do a scrolling (parallax - maybe) starfield. I know how to scroll using machine code but…
... , here is a 4-way scrolling version of the program ... /> Use QAOP keys to change scroll direction of starfield.
8
ADD A,H ; add ...
SRL A ; divide by 8
SRL A
SRL ...Successor to the SpeccyBased on the rambling on the other thread it would be interesting to see what people felt was the 'spiritual' successor to the speccy. Amiga here....
... Amiga graphics in the full 8 colours per layer (or whatever ... basic ST, you could hardware scroll 8 pixels vertically), but you were ... horizontal step because of the way the screen was stored.Due to rampant voting abuse for this gameI tried voting on La Abadia del Crimen for the first time in my life and got this message. The reason being its too high in the list of best games a…
... released much earlier ?
8 or 9/10 for sure ... 's screen based and not scroll based as Filmation II games ... beginning, and the game is way too difficult, even when using ... love it and vote that way if they like Filmations and ...Colour clash on the Commode64?Was there any? Every now and again, I see a screen shot like this... [img]http://www.lemon64.com/games/screenshots/full/j/jack_the_nipper_02.gif[/i…
... 't they add some basic scroll registers to ULA when 128k ... /> Indeed, some scroll registers would have gone a long way. A few ... if ever there was an 8-bit machine desperate for hardware ...Jonathan Cauldwell writes.I also found this in me old archives, which was actually written by Jonathan Cauldwell. Again, typos and editorial tags included for authenticity ;-)…
... Subtle changes to the way a character moves can ... to manipulate sprites or scroll the screen has to ... is written along the way. New hazards need to ... Spectrum games today? Perhaps 8-bit developers do need ... -shot of Cauldwell mid-way through developing a mysterious ...Character scrollingOk, first I'd like to say that I'm not looking for a complete routine (but that might help) because I am hoping to write it myself and learn a bit mo…
... /> - Do you want to scroll the screen, a back buffer ... screen are you going to scroll? (Suggestion: Stick with the ... that because you want to scroll "whatever is currently on ... a map of 300 x 8 (top third) will have 300bytes ... into the map easily that way., :)
