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Joystick IssuesHi guys, I'm having a few issues getting joysticks to work well on my Spectrum 128k. I've got a Power Play Joystick interface and I've tried it with…
... read the joystick position will get what it thinks is valid data ... could actually just be meaningless data. This is because with no ... supply the real joystick data, the value read by the Z80 CPU ... joystick and interface with this BASIC program:
[u] ... -
is there a sprite editor for the pc that lets you import pics and save them as spectrum udgs?is there a sprite editor for the pc that lets you import pics and save them as spectrum udgs or sprites into memory?
... or hex for your READ/DATA statements in BASIC or defb in asm ... -
ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …
... fairly complex data structure. In practice, this data structure ... code programs launched from basic with a command line. ... practical to store those data structures in main memory ... /> atexit(cleanup_fin);
// read header from bitmap file
Flood Fill IssueHi Folks, Came across the following Flood Fill routine by John Metcalf: [code]; scanline fill by John Metcalf ; call with d=x-coord, e=y-coo…
... /> [/code]
The amended BASIC program now reads:
140 READ H$
150 IF H ...Is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of fileHi, is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of file. E.g.: I have a Tape-Code-File Start f…
... FOR A=60000 TO 65535 : READ B : IF B256 THEN POKE ... RANDOMIZE USR 60000
30 DATA 221 , 33 , 0 , 0 , 17 ... , 205 , 86 , 5
40 DATA 221 , 33 , 0 , 64 , 17 ... to 16384 then return to Basic
RET [/code]
Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…
... up the following demo in BASIC so I could get my ... not bad speed wise for BASIC and even handles the upper ... REM ------------------------------------------
110 REM ZX BASIC Mouse Cursor Demo
120 ... S=NS
280 REM Read Keyboard
290 REM Only ...Is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of fileHi, is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of file. E.g.: I have a Tape-Code-File Start f…
... the data block for line 1023 to read.
To read the ... first 6912 bytes of the data block just using BASIC statements ... & DE (how? - no suitable BASIC commands) then USR 2048 ($0800 ...Best and worst loading coloursWas just thinking the other day about this, what are the worst / best loading colours that have been seen ? :) Apart from loaders with either mult…
... BASIC program to patch ROM to
rem load headerless screen data ... =16384 to 16384+34
read a
poke j,a ...
randomize usr 16384
data 62,255,221,33,0 ...Is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of fileHi, is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of file. E.g.: I have a Tape-Code-File Start f…
... TO 6 STEP 2:
READ v: POKE stack+a,v ... (v/256):
NEXT a: DATA 2221,length,start,11563: REM ... load from start of CODE data block (How can I make a UDG rotate?I designed a set of UDG's that can be used for making shapes or letters. Trouble is that my circle - for example - consists of 4 pieces and it would…
... the next byte of graphic data
CALL _get_next_row ; ... ADD HL,DE ; Add the basic column to HL
...
read_mouse:
; Read the kempston mouse port and ...Wildly OT: Computing Today's slagging-off of PascalIn the late '70s or early '80s (at the beginning of the home-computer era anyway, just before the dawn of the Speccy), there was a mag called [I]Comp…
... .
- (Older) [b]BASIC[/b]: A (common) misunderstanding is ... , and it lacks structured data types and loop instructions. ... but recent dialects (Visual BASIC) should be forbidden from schools ... but programs are harder to read), or unleash all the ...Why can't you make a BASIC program as big as you want?Let me rephrase that. Is it possible using BASIC to write a program that can be multi part? In other words one that can LOAD lets say a story, in se…
... before[/quote]
ZX BASIC can MERGE programs, but not ... to store the levels and read them using PEEK, so you ... code routine that can erase BASIC lines (and relocate variables), so ... when doing a LOAD DATA (checking if the DATA loaded exists, and ...Witchcraft: Nirvana, Bifröst and such[url="http://www.rgcd.co.uk/2011/10/buzzsaw-zx-spectrum.html"]"When considering this next to nearly every other ZX Spectrum game though, Buzzsaw is l…
... it's cut off because BASIC is slow enough anyway, ... best to have a read of one of the ... byte will be whatever junk data is floating around the ... , and two bytes are read. Because you've set ... to have the Speccy's BASIC interpreter and keyboard support ...BREAK key on 128k SpectrumWhat happens when BREAK is pressed on a 128k Spectrum? Why is it different from what happens on a 48k Spectrum. Is there a way to disable it or to …
... to jump back to a BASIC routine, from where the error ... the method for returning to BASIC successfully varies dependent on which ... HL,9000 ;line number of BASIC error handler
ld a ... 23605: READ b: POKE a,b: NEXT a:
DATA 195,58 ...Ensure program runs in USR 0 mode?Is there some BASIC that can be used in a program to make sure the the program runs (even on 128k models) in 48k or USR 0 mode? I obviously then wan…
... 19
20 READ v
30 ... 50000
60 DATA 253,203,1,166 ... (iy+1) ; Switch to 48 basic
ld hl, (RAMTOP) ... End-of-stack mark for basic RETURN
dec hl ...IN instruction on emulatorsHi everyone I wrote: 10 PAUSE 0 20 PRINT IN 63486 If i press 1, result is 190 instead of 254 (i used FUSE and Spin) If i press 2, 189 (253) i…
... went to the Sinclair Basic manual and looked it ... br /> You need to read beyond the first paragraph ... Now compare that with the BASIC listing in the first post ... data line will go down to a 0, so the value read ... reset the unwanted bits in BASIC (it’s trivial in ...Need Some Basic HelpHi all, I’ve decided to give programming in Spectrum Basic a go again (bit of nostalgia trip!) and I’m trying to develop a CYOA style game. How…
... to read up on how to do some basic machine ... code to define the data and then ... return to basic code - and ... game was possible in Basic alone and based on ... maybe make some smaller Basic programs in the meantime ...Need Some Basic HelpHi all, I’ve decided to give programming in Spectrum Basic a go again (bit of nostalgia trip!) and I’m trying to develop a CYOA style game. How…
... : READ L$
30 PRINT L$
40 STOP
9010 DATA ... />
When you READ the L$, the DATA stored in line 30 ... a multi-part game in BASIC instead. But if you want ...Loading Images/Screens mid-gameHi all, Looking to get back into a bit of coding and I couldn't figure out a way to do the following: I have an image/SCREEN that I'd like to b…
... , 30000[/b] ; source address to read from
[b]LD DE ... Basic
10 FOR N = 29000 TO 65535
20 READ ... , A : NEXT N
30 DATA 33 , 48 , 117 , 17 , 0 ...Kempston Mouse DriverHi Folks, Does anyone know the email of Chris Cowley who wrote the Kempston Mouse Driver in the WOS Archive? Many thanks Paddy
...
;
; BASIC mouse functionality for Kempston Mouse ... br /> ; To use from Spectrum BASIC:-
;
; 10 ... the next byte of graphic data
CALL _get_next_row ... />
read_mouse
; Read the kempston mouse port and ...Please guide me with this decision!Hello, I have decided I would like to try and create some simple ZX Spectrum games of my own. The problem is that machine code is totally and utter…
... when mentioning Data is not compatible. I read the latest Boriel Basic is ... more compatible with Sinclair Basic.
PGD Based GamesAs I've had this a couple of months now (I do have SEUD too but could not really do what I wanted with it, but that's likely my fault) , I was wonder…
... the BASIC-inspired scripting language used in AGD with WHILE loops, READ/DATA ...Raspberry Pi and Arduino Projects.All, So at my work I've just joined a learning community for micro computer and micro controller learning community. for this I recently acq…
... Accurite wireless weather station and read the data coming from it. The ... reciver so I can read the binary data using edge detection.
read sensors while I learn the basic.
Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
... save RAM though? I read somewhere in the last ... where unfortunately) that Sinclair BASIC on the Spectrum will ... for instance. I also read that the ROM will ... separate piece of tape data (I presume this contains ... the level data). Does that in fact ...Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
... every single byte counts in BASIC, for memory. In ... save RAM though? I read somewhere in the last ... where unfortunately) that Sinclair BASIC on the Spectrum will ... for instance. I also read that the ROM will ... since the DATA can be avoided in the BASIC list. That ...Brain 8I am glad to present my new "experiment" in Sinclair Spectrum 48K BASIC. https://drive.google.com/file/d/17_wCFWaAl5diIVt3rPLTbKhxDmPmYmOs/view?us…
... could escape variables in Sinclair BASIC and have them enumerated at ... , I can now read huge sequences of CHR$ data like it's ...+3 - beeper sounds but no AY musicHi guys I am repairing a plus 3 revision 2 board that had no sound at all. Using schematics from https://zxnet.co.uk/spectrum/schematics/ I manage…
... 48K BASIC:
[code]
10 FOR n=0 TO 13: READ ... ,a: NEXT n
20 DATA 0,1,0,1,0 ...New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... tap file with just the data (no basic) @ 16384
... be loaded via
basic which loads the code @ ... ]
In it's basic form to use the utility ... 32766. This is then read by the loader code ... />
A simple basic loader code would be as ...
