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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…
... didn't they add some basic scroll registers to ULA when 128k ... -
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…
... didn't they add some basic scroll registers to ULA when 128k ... . :)[/QUOTE]
Indeed, some scroll registers would have gone a ... -
SuperTape Version 1.2 Scheme ?Hi folks, As mentioned in another thread, I came across a tape (on-line most likely) called SuperTape Version 1.2. I think it might be a multi-plat…
... again after you let the basic scroll, in case it doesn't ... -
SuperTape Version 1.2 Scheme ?Hi folks, As mentioned in another thread, I came across a tape (on-line most likely) called SuperTape Version 1.2. I think it might be a multi-plat…
... again after you let the basic scroll, in case it doesn't ... -
multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…
Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width is -
New release and new web site of Blassic, the classic BasicHello. I have launched the release 0.10.0 of Blassic, a Basic interpreter '80 style multiplatform. There is also a new web site: [url="http://blas…
... .10.0 of Blassic, a Basic interpreter '80 style multiplatform.
SCROLL instructions, string slicing Sinclair style ... -
Disabling scroll? at the bottom of the screen.Everyone must have written something similar to: 10 PRINT "HELLO" 20 GO TO 10 at some point in their lives. But when you get to the bottom of the s…
... in Sinclair BASIC, it asks you if you want to scroll. How ... -
Found a great ZX BASIC textbookProgramming Arcade Games for your Spectrum, by Adrian Jones. Found this in a second-hand bookstore over the weekend and if you're anything like me,…
... typed in various bits of BASIC, know your way round the ... you through the subset of BASIC you need to make ... it after you venture beyond BASIC. There's also a couple ... but there's no cover scan up yet. When I get ... (and perhaps add a full scan of the book, too.)
Printing in 64 columns, from Basic?Not strictly a Sinclair Basic question but... Is there any known machine code utility that allows something similar to PRINT AT that can be called fr…
Not strictly a Sinclair Basic question but... Is there any ... that can be called from Basic but uses 64 or maybe ... />
I'm creating small Basic programs that allow me to ... of numbers and having to scroll to see the rest of ... s easy to call from Basic? Thanks![Book] Elementary Basic (Missing UK version details)Hello. The book 'Elementary Basic': [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2001188"]http://www.worldofspectrum.org/infoseekid.cgi?id…
... .
The book 'Elementary Basic': [URL="http://www.worldofspectrum.org ... :
Full title Elementary BASIC
Year of release 1983 ... try to do a cover scan of my copy.
ZX Basic 1.2.5 - a BASIC CompilerWell, my old post about ZX BASIC seems to be gone (maybe this phorum purges old threads?), so I started a new one. After more than 6 month, I've fin…
... , my old post about ZX BASIC seems to be gone (maybe ... a new version of ZX BASIC. It's a free compiler ... ) has been included. More routines (scroll, sprites, etc...) will be added ...joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…
... to join together lines of BASIC. The vertical cursor motion code ... out of editing mode to scroll up/down through the full ... />
Not being able to scroll through the listing while editing ... include a "dividing lines of BASIC" option as well - edit a ...Need to scroll one column using m.c.I've used many of the available routines to scroll the entire screen in any direction, but I'm not being able to find one that would allow me to scro…
... of the available routines to scroll the entire screen in any ... that would allow me to scroll a specified column (1 x ... column and call it from BASIC.Ideas for speeding up this BASIC routine?This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 105…
... time; it's just the BASIC that I'm asking about ...Programmer Cursus BASIC (Kluwer Technische Boeken)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0014639"]Programmer Cursus BASIC (Kluwer Technische Boeken)[/URL] Only an unidentified TZX in…
... .cgi?id=0014639"]Programmer Cursus BASIC (Kluwer Technische Boeken)[/URL]
scan that yet.Scrolling in BASICI remember a few BASIC typeins for other machines that claimed to be scrolling the screen. Obviously vertically its not too difficult - once you dis…
I remember a few BASIC typeins for other machines that ... difficult - once you disable the 'Scroll?' prompt.
But I ... sure if its written in BASIC) on the Apple II, and ... this could be done in BASIC on the Spectrum using Arrays ...Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…
... year I started writing a BASIC program for making and recording ... could help me fix the BASIC program, I'd be very ... ]
[b][u][u]BASIC listing:[/u][/u][/b]
2230 REM scan for Sound FX keypress, move ..."Monty Hall" problem in Spectrum BasicFollowing a rather odd conversation with my wife regarding the probability puzzle "[url="https://en.wikipedia.org/wiki/Monty_Hall_problem"]The Monty …
... if they do not. Obviously, BASIC was the tool of choice ... +1
360 REM prevent Scroll? message
370 POKE 23692 ... flaw in my logic or BASIC?How to write a simple BASIC* horizontal scrolling game (Tutorial) [b]How to write a simple BASIC* horizontal scrolling game[/b] In this tutorial, we will be talking about how to write a simple BASIC* horizont…
... how to write a simple BASIC* horizontal scrolling* game.
I assume you can enter BASIC easily, for example using Basin ... Line 100, where the screen scroll 8 pixels to the left ... (y,3)... Remember the spectrum basic has its Y coordinate first ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... space on the screen, a "scroll?" message appears that not only ... get rid of it in Basic, but I still don't ...Coder`s with time....How many coders are there who can program anything? i.e. Commercial quality games, full blown applications, utilities etc.... who can do the lot? I…
... pixel limit to accuracy of Scroll (to clear backgrounds) and other ... all over, but I`ll scan it when found...BY GOD ... worked first time in SAM Basic, although a lot slower and ...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…
... address to move down one scan line
void ... double width text messages to scroll across the bottom of the ... the next line). 2- the scroll routine will be dealing with ... equal to", equivalent to "" in Basic. Other common C comparison operators ...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…
... address to move down one scan line
uint ... /> uchar *m_ptr; // equals zero for scroll off
uchar counter; // fraction ... to scroll, scroll it
asm("call\t56"); // call ROM isr so basic ...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 …
...
The x86 code to scan the data was easy. I ... a 50hz pixel smooth horizontal scroll:
[code]
BASIC to sleep and used IM2 ... loaded into memory by a BASIC stub loader. I removed ... when I wrote that scroll routine back in 1990 ...WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... has been implemented. I say "basic" because I've just discovered ... (one attribute byte for each scan of 8x1 pixels)
scan.
Andrew Owen: are ... with Cobra too, and the scroll is as soft as always ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... /> Symbol shift + space: return to basic. Originally had this as caps ... /> cp 24
call z, scroll
ld (scr_out_row), a
jp puts
scroll:
ld a, 23
ret
; scan all keys on keyboard into ...Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
...
SymShift+Space: Exit to basic
[code]
; ... /> cp 24
call z, scroll
ld (scr_out_row), a
jp puts
scroll:
ld a, 23
ret
; scan all keys on keyboard into ...RGB output scan rate?Hi, I'm Bruno Florindo. I'm portuguese and I live in USA. I'm trying to find a RGB cable for the ZX Spectrum +2. I can't find the monitor that I had …
... need to find out the scan rate of your computer.
If your computer has a scan rate of 31.5khz, then ... hooking up to, and what scan rate both your devices are ... I don't know the scan rate of the ZX Spectrum ...BASIC-code challengeFor the BASIC-coders among us. There is a number that has following aspects. divided by 16 remains 15 divided by 15 remains 14 divided by 14 remain…
For the BASIC-coders among us.
... program below.
The fastest BASIC-program wins.
Timing will ...
