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ISR's in lower ram, a.k.a. the snow effect - did any game or demo ever use this?Hi all I've been curious to see what the 'snow effect' looked like in real life for a while now so today I wrote a quick IM 2 ISR in lower ram to wi…
... quick IM 2 ISR in lower ram to witness it firsthand ... corruption dancing away merrily on screen is quite something.
is there something special about the left hand column on the screenSo.... I've noticed that when I move my player round when it bumps into the left hand side of the screen (print at 5,1;"X" etc that the controls rev…
... left hand side of the screen (print at 5,1;"X" etc ... right hand side of the screen (say print at 5,19;"X ...BOB the Screen BuilderHere's my first attempt to use that tokenising idea from "more on storing mazes" in a screen designer - "[url=http://www.users.globalnet.co.uk/~jg27p…
... on storing mazes" in a screen designer - "[url=http://www ... /bob.zip]BOB the Screen Builder[/url]". There's ... much room as possible for screen definitions (there's about ... in the game to print the screens directly from ... able to read the print controls in the DATA ...Mutant Monty (Middle initial + missing artists + cracked screen + missing company)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003339&loadpics=3"]Mutant Monty[/URL] I notice "Softlake Cracking Service" in the upper righ…
... maybe this is an official screen?)[/strike] EDIT: Cracked version! ... there are initials in the lower left corner, MC SR, ... www.worldofspectrum.org/showscreen.cgi?screen=screens/load/m/gif/ ... www.worldofspectrum.org/showscreen.cgi?screen=screens/in-game/m/ ...OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... e.g. PR. instead of PRINT). The EDIT key is gone ... variable contains at least one lower case letter (variables are ... printer buffer (directly after the screen) is available for other ... ROM.
* Improved SCREEN$ handling. Supports matching UDGs and ...INKEY$ giving me troubleHello, I have been using BASin (great program by the way...) Sad though it seems during the typhoon here I have been re-learning my spec-skills an…
... program, same with the help screen.
2/I ... how to do the fancy screen$ but that's trying ... i can use upper and lower case single char to ... br /> 29 CLS
30 PRINT "WILL YOU NEED INSTRUCTIONS ON ... FROM ME?"
105 PRINT "YOU CAN MOVE AROUND BY ...Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... to print 16-character messages at a particular point on the screen ... control codes
rst $10 ; print it
inc hl ; point ... into A
rst $10 ; print it
inc hl ; point ... the screen;
[*]or it fills the lower part of the screen in ...SpecBAS 0.766 Now available!HI Folks! Sorry for the lack of updates recently, but with a one-year-old son I'm not getting much time these days - that will improve later, I'm su…
... current program name
PRINT now obeys the ORIGIN command ... default screen (OUT SCREEN)
OUT can be embedded in a PRINT ... with CLIP being changed mid-PRINT stream - also affects the ... the correct upper and lower limits to sound frequencies< ...Black Screen Spectrum 48kWas working ok, it came to me in a Fuller FDS keyboard, I had a nose inside and found a floating power lead connected to the keyboard, I removed that…
... the lines flash down the screen and it stops at the ... black screen....:(
Went through and ... that...
Update: #2 Lower RAM chips have voltage at ...Calculating screen address to alternative ATTR area?I'm using this small snippet of code to convert a screen address to an attribute cell address... [CODE]AttrDE: ld a, d ; get the hig…
... ; get the high byte of screen address
rra ; divide ... rra ;
and 3 ; keep lower 3 bits, these mimick the ... lower 4 bits of the ...SpecBAS 0.802 Released!Hi folks - It's that time again when I release the latest round of features and bugfixes to SpecBAS :) New for this version are ZONEs which act ver…
... - they're regions of the screen you can test coordinates for ... LBOUND(a$(),i) returns the lower bounds of the i'th ... their handler statements
PRINT USING mask$;item;item;item ... br /> USING$ function - identical to PRINT USING() but returns a formatted ...misunderstanding screen addressingHi I am just reading mastering machine code Toni Baker: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/books/MasteringMachineCodeOnYourZXSpectrum…
... the “print position”
for any point of the screen, and ... /> consider the point whose PRINT AT co-ordinates are 5 ... of the address of this print position are
40. ... appeared on
the screen is, in fact, at ... the 5,4 in the PRINT AT example.
48K: Half of copyright message in the middle of the screen?!Issue two. Has 74LS08 over the Z80, but the ULA is 5C112E-3 (I think this should be a 5C102E??? - I have one, but I'm not sure if it is working, at l…
... 'm quite sure that the lower memory chips are ok.
screen "1982 Sincla" and that's ... ) working ULA, CPU, ROM and lower memory.
Two wires ...Issue 2 Spectrum - Black screenHi I have an issue 2 spectrum which I'm having some issues with. I bought it on ebay so have no idea of the history or how it came to be broken. Whe…
... coloured garbage or back screen with thin red lines.
lower RAM chips was faulty. ... with an almost completely black screen. You could almost say ... of pin 2 of the lower RAM and found 1 ... then swapped some of the lower RAM chips about to ...48K Not booting properlyBought another faulty spectrum from Ebay. This one, when you turn it on, it looks like it's going to boot OK, but when it gets to the point where it…
... in the middle of the screen and a low constant beep ... found I had a faulty Lower RAM IC (IC 6) and ... .
I entered the command 'PRINT PEEK 23732 + PEEK 23733 * 256 ...SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... COPY to override behaviour
SCREEN$ - as from Sinclair BASIC, ... numeric argument - DO 35: PRINT "X": LOOP will loop 35 ... which output graphics primitives (CIRCLE, PRINT etc) can now use alpha ... IN operator now has a lower priority than functions and ...12V ripple with lower ram installedI repaired a speccy this week. Before doing anything I replaced all caps and measured the transistors in the power section. When doing this I found t…
... of artifacts on the screen, so there seemed to ... removed and socketed all lower ram. turned the speccy ... the scope. Inserted a lower ram module and the ... great. Then removed the lower ram module and reinserted ... all original lower ram ic's. Speccy ...how to fix instructions on screenI have a problem with my sequencer. I want the top half of the screen to stay fixed but allow the note values to print without pushing the instructio…
... the screen to stay fixed but allow the note values to print ... without pushing the instructions off screen. I would ... rather they print horizontally 2 digits ...ROM PRINT routine issuesHi all, I am using the ROM print routines a lot in my assembly program and I'm experiencing issues. I am changing the system variable DF CC to po…
... resuming as normal, knocking subsequent PRINT commands off by 1 character ... . I'm assuming the ROM print routines are updating other system ... check what 1/3 of screen is being written to but ...
CALL 11747. PRINT CONTENTS OF BC TO SCREEN
Any ...SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... /> Added ITALIC and BOLD commands. PRINT embeddable, but BOLD is only ... the order of) m lower-order bits in n
Proper fix for SCREEN UPDATE while the screen is locked.
... system messages to mess with screen update timings
Menu ...ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... /> //
// *****************************************************************************
// zxsclzf ZX Spectrum Screen Compressor
// by Tom Dalby ... it
// offset is then lower 5bits of 1st byte combined ...Speeding up PRINT code in ROMHi Folks, I seem to recall that someone stated the PRINT command is rather slow because it has to handle screen and printer printing - is this cor…
... the PRINT command is rather slow because it has to handle screen ... it only prints to the screen i.e. "commenting out" the ... was done, would it make screen printing significantly quicker?
Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…
... online seemed to indicate a lower RAM issue. It hadn't ... />
Here's what the screen looks like when the board ... solder was applied to the lower side and it had travelled ...printing to the screen using pokei remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyon…
i remember there being a way to print to the screen using pokes, which would allow you to print a character anywhere in the 175x255 matrix. can anyone remember?Printing text using direct screen addressingHaving some problems printing using the FASE engine which is currently defeating me. Hoping to have someone clear out the bit of fog currently dwell…
Having some problems printing using the FASE engine which is currently defeating me. Hoping to have someone clear out the bit of fog currently dwelling in my brain for this function. I'm trying to get the text working properly in 128k mode which uses ...PAPER&INK: screen/character differenciation?So I was looking at a type-in listing earlier and I got to wondering how the Spectrum differenciates between knowing that the PAPER/INK commands need…
... commands needs to change the screen background/text colour or just ... to be part of a PRINT statement but how does the ...New Utility ZXSTLC[b]New Utility ZX Spectrum Tape (& Disk) Loader Creator[/b] I made this utility to easily create tape and +3 disk loaders for my projects and have…
... /> | both -s & -c print size of the headerless block ... add in a standard loading screen (which you can
... be made uppercase if lower specified
+--------------------------------------------------------------------------------
...Direct drive LCD screen - looking for information on previous projects people may have attempted.Hi All, My first post, so please forgive and guide if I've posted in the incorrect section. I'm a speccy user from way back in the 80's, but m…
... start again with designing the screen, so was working on ... the Spectrum lower 16K, and captures writes to the screen location so ... a coloured border around the screen.
So kind ... also solve the problem around screen compatibility, and leave me with ...Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... Leave some space for shadow screen buffer
20 GO ... 256*INT(o/256): REM lower byte
350 POKE ... 380 POKE 63692,196: REM lower byte
390 POKE 63693 ... 520 STOP
9000 PRINT "{AT 10,11}WAIT..."
9020 READ a$: PRINT "{AT 20,0}";a$< ...
