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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 …
... INC IX
DJNZ InversionFill0 ; Next Pattern
JP StartPass ;Next Pass
... Does not support wrapping onto next line
; Aways prints ... DE ; next line of char
INC H ; next line on screen ... -
Hi-colour gamesDoes anyone remember some of the games that used something called Ho-colour? Like the options page on the Agent X games, and a few others. If memory …
... :
I output a line of pure blue at the ... red. The ULA draws the next line below the last one as ... -
CronosoftIt's a bit of bad news, but I'm sorry to say that I'm probably closing up the Cronosoft label. I'm struggling financially at the moment, and Cronoso…
Looks good, but on my Firefox things like 'Spectrum 48K' and 'Amstrad CPC 464' in the Categories word-wraps the '48K' and '464' part onto the next line, which looks odd. -
Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…
... loop code and the get next line code but that's small ... -
Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…
... ;vram
ld bc,#ff90 ;next char
...
ld sp ... de
push ix
... next line
push bc
ld ... ,gfx2
push de
.. next line
ld d,e
Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…
... bigger/smaller) line goes straight into the next, just add ... whatever) to get to the next line.
This ... out. Store it line by line, which makes the ...
Then, copy each line of the screen buffer to ... a register for each line. Just remember not to ...Crashable Spectrum games?Following the discussion at: [url]http://www.worldofspectrum.org/forums/showthread.php?t=24821[/url] I was wondering what Spectrum games could be m…
... 'll display it on the next line" - scroll - "oh, this won't ... on this line, I'll display it on the next line" - scroll ... ad ...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_…
... -writes the attributes on each line of the screen as the ... drawing the image. So, one line of the image is drawn ... it comes to draw the next line the attributes have changed so ... colour to match on that line too (this is why it ...Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
With the rainbowprogram as source I want to change colours every 4th line, but without setting the colours in line 2,3 and 4.
So I set the first line, wait 3 * 224t states and try to redraw the next line. Why isn't this working???Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... to change colours every 4th line, but without setting the colours ... in line 2,3 and 4.
next line. Why isn't this working ...BIN shorter than NOT PI?Some time ago I checked many loaders and want to ask why coders are using BIN and not NOT PI? NOT PI is only 2 Bytes, BIN would be better if it would…
... Spectrum BASIC will accept the line:
[B][U]10 ... worse in terms of of line length, than the standard:
The Line 20 displays the adress of next line in program
More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... automatically be reflected on the next line of the border, and apply ... border colour multiple times per line.
Either way, being ...More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... automatically be reflected on the next line of the border, and apply ... border colour multiple times per line.
Either way, being ...AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…
... 't take effect until the next line. it's especially noticeable if ... (DelyCnt),A" before the RET line in C_DELAY.
i ...Zon xDid anyone ever use a ZON X sound generator? I've been rummaging around in the loft and found it (along with Machine Language for the absolute beginn…
... hit the end of the line, which was signalled by a ... make it wait for the next line). That meant it could only ...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 ;-)…
... routine works by moving a line of pixels to the screen ... a time, moving to the next line down, counting how many lines ...RS232 and interface 1I'm looking into the possibilty of connecting the Spectrum to a pc using the serial port. Can I just use a standard male to female serial cable or do…
... Load or Save code, adjust next line accordingly
1030 SAVE *"b ...How to insert special characters in Basic and ASM ?Look the next picture. [IMG]http://img25.imageshack.us/img25/9479/scode.jpg[/IMG] I dont know how to insert these black and diagonal characters. No…
... Type the AB on the next line in Graphics mode
POKE ...Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... downHL ;and going to the next line
ld a,b ... again, for the last (bottom) line
jp fillSolidLine ;the same ... routine returns address of the next screen line, calculating it from the ...Howto paint a squared zone of the screen ?You know what guys ? i begin to love this languaje. Cant understand why not put more effort on the 80's to learn it :( because it is really speedy. …
... downHL ;and going to the next line
ld a,b ... again, for the last (bottom) line
jp fillSolidLine ;the same ... routine returns address of the next screen line, calculating it from the ...Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…
... at the end of DATA line 180, making a DEC HL ... ) at the start of the next line.
I'd forgotten ... last two listings in the next day or two, after which ... think that only listing 7, line 180 is in a m ...Arrays in asm ?Just following the idea to make the menu entirely in asm, how can i handle arrays in asm to store the each game loader to be loaded ? thx in advance
... on the menu to the next line. How we can know what ... line we are selecting to know ... to write on it the line number where we are ?
for (;;) { }What does that piece of code do in C? Well I am familiar with something like for (i=0; i<100; i++) { } but I haven't understood what happens if you l…
... won't. At the cout line the only x in scope ... in the for statement. The next line introduces a new x, which ...for (;;) { }What does that piece of code do in C? Well I am familiar with something like for (i=0; i<100; i++) { } but I haven't understood what happens if you l…
... won't. At the cout line the only x in scope ... in the for statement. The next line introduces a new x, which ...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. …
... (#22b1) when you go to next line. Every two lines update the ... ROM-pointer and every line on screen in every loop ...Sprite RoutineI was wondering if anyone could point me in the direction of a really basic example of a per-pixel sprite routine? Preferably commented. The screen …
...
LD A,(DE) ;one line of pixels - 3 bytes
INC DE ;next byte of graphics
INC ... />
CALL OnePixelLineDown ;go to next line of pixels
DJNZ DrawBall ... to new character line
RET NZ; new line belongs to the ...Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... ]:NEXTI:ELSENEXTI[/B] and the next line was the test goto. Arrays ...Games you never knew how to playBack in my Speccy haydays as a spotty teenager, I had a few Spectrum titles in game collection I never knew to play, and still don't know to this day…
... for cover behind the highest line of walls. Move side to ... guide him "down" to the next line of walls. Get more than ...
