-
+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
... =Battle Bunny;446155][code]
10 CLEAR 28658
20 FOR ... ): POKE 23658,8
50 INPUT "Name=";n$;".";s$: LET f ... -
+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
... tested)
[CODE]
10 CLEAR 48882
20 FOR ... ): POKE 23658,8
50 INPUT "Name=";n$;".";s$: LET f ... -
Help, How to RGB to VGA Connector on +2A ?Hi, How would I go about converting the RGB output connector from ZX Spectrum +2/A to VGA type of connector. I found this device [url]http://www.am…
... tested. It supports also 16:10 TFTs (WXGA) buit I did ... bought, it has the same input, but instead of outputting VGA ... RGB output to the VGA input of that device? Did you ... -
Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... lenght is longer that say 10 mtrs. (When we consider video ... as a 10 MHz signal then the wavelength ... 75 Ohm resistor across the input, which is only(!) there to ... -
Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... /> [QUOTE=RST#08;297603]I've just taken the composite input to ... -
Challenging the orthodoxy - Composite modWell, what's brought this on is two things: firstly I composite-modded an Issue 4S board this weekend in preparation for the Vintage Computing Festiv…
... undesired DC current to the input resistor (75 Ohm) of the ... pin at their SCART/Video input. So signal limitation may be ... have a resistor of only 10 ohm to avoid reducing the ... -
So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…
... output, and Z80's clock input. Perhaps with a few connections ... . signal that ULA takes as input - you could use some flipflops ... luck with an 8 or 10 MHz. Z80. Using a 20 ... -
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. …
... on screen
ld e,10 ;x position on screen
rst 16
ld a,d ... ld a,e ;Y
rst 16
.loop0
ld ... 255? then all printed
rst 16
jr .loop0
.loop0
cp 10 ;if 'cursor down' key
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... was say drums .. perhaps input from channel 10 from pads.. [/QUOTE]
7805 Regulator HelpI am hoping to replace the 7805 regulator in my issue 3 48K Spectrum soon. Unfortunately I don't know exactly what to buy to replace it with (my fat…
... are demanding 1 amp, the input to the 7805 will also ... this example, but on the input side, 9 watts will be ... the heatsink. The higher the input voltage (in reality, most ZX ... out on the order of 10-11 volts. In other words ...7805 Regulator HelpI am hoping to replace the 7805 regulator in my issue 3 48K Spectrum soon. Unfortunately I don't know exactly what to buy to replace it with (my fat…
... are demanding 1 amp, the input to the 7805 will also ... this example, but on the input side, 9 watts will be ... the heatsink. The higher the input voltage (in reality, most ZX ... out on the order of 10-11 volts. In other words ...Spectrum + Mobile Phone = Internet?So nifty as Spectranet is I started thinking can this be done another way and I believe it can... [LIST=1] [*]Get one of [URL="http://www.chinavasio…
... ?10
[*]Connect the audio out from the Spectrum to the input ... must be very close (max.10-15cm between adapter and cassette ...Schematics for loading amplifier?I'm interrested in making an external portable amplifier in order to be able to load speccy games using an mp3 player. I looked in the internet but c…
... on Spectrum. EAR is the input of the spectrum because it ... described direction. MIC used as input has much lower sensitivity (1 ... /6 of the EAR input pin).
Nethertheless I ... conector for input and for output and removed one 10 kOHM resistor ...Free Alternatives to Cubase / Cakewalk etc.I would like to start making music with one of these Cubase / Cakewalk type programs but don't have the cash to lay down ?100's of pounds, just to pr…
... />
all of them can input midi files.. as for vst ... you can use an mu-10 etc.. there are prolly on ...Spectrum hangs upWhat might be problem when my ZX Spectrum 48K (rubber keys) hangs up after few minutes play? It had memory problems but i changed (or an expert did i…
... real Spectrum:
[code]10 DATA 243,62,0,211 ... ,254,24,246
20 INPUT "Load address? ";d
... FOR n=d TO d+10: READ a: POKE n,a ... , run this program and input 30000 for load address.
input 49146 for load address (this ...Help with a basic programI'm doing a very small basic program which I know is bloated, but it works. (I have limited basic knowledge compared to most on here). I just wondere…
... , length 32 bytes.
10 DIM P$(8,32)
50 INPUT "Which sentence";X : REM THIS ...Help with a basic programI'm doing a very small basic program which I know is bloated, but it works. (I have limited basic knowledge compared to most on here). I just wondere…
... in Javascript):
[code]10 DIM p$(8,32): REM ... $(i): NEXT i
110 INPUT "Select option 1-3: ";a ...IF and control flow in machine codeHi everyone, Basic has a nice control flow like if statements. How can these be done in machine code since i cant find anything thanks
... and in MC
10 LET A = 3
20 ... ,48 ; make it printable
rst 16 ; do print
pop ...DRAW x,y,a Algorithm - how does the ROM do it?Hi all, Getting on with SpecOS, and one of the things I would love to do is to preserve the original ROM's behaviour when drawing Arcs. This is don…
... ]:
[CODE] 10 REM A DRAW AN ARC ... suitable starting position
30 INPUT "X value ";X: PRINT ... br /> 40 INPUT "Y value ";Y: PRINT TAB 10;"Y = "; ... Y;
50 INPUT "Angle ";G: ... = ";G
55 INPUT "Limit angle to 2*PI ...Possible Move to USA - Advice please.It is possible that I may be getting a Job on Oregon USA. I wondered what advice the expats of WOS might give me. [LIST] [*]For example is living …
[QUOTE=RST#08;479913]
The absolute ... airport concourse was less than 10 minutes.Logic sim for specHi guys, I was thinking about it and i was wondering, would it be good if i made a program that you enter details about a logic circuit, like what i…
... so far:
Imagin 10 boxes stacked vertically. Each box ... an output to drive an input form a logic gate in ... with a logic gate name, input and output states and pin ... connect the last input to the first input you do 100000000010
numbers to binaryHi everyone, I have looked through the manual and have found nothing. How do you change a number to binary easily? I know you can go binary to decim…
... "hex" method:
[code]10 DATA "0000","0001","0010","0011 ... ","1101","1110","1111"
20 INPUT "Number? (0-255): ";n
numbers to binaryHi everyone, I have looked through the manual and have found nothing. How do you change a number to binary easily? I know you can go binary to decim…
... "hex" method):
[code]10 DEF FN b$(n)=("0000 ... =9)+
("1010" AND n=10)+
("1011" AND n=11 ... " AND n=15)
20 INPUT "Number? (0-255): ";n
numbers to binaryHi everyone, I have looked through the manual and have found nothing. How do you change a number to binary easily? I know you can go binary to decim…
... /> 10 DEF FN b$()=STR$(INT (RND*2))
20 INPUT "Number ...numbers to binaryHi everyone, I have looked through the manual and have found nothing. How do you change a number to binary easily? I know you can go binary to decim…
... fix it... :)
[code]10 DEF FN b$(n,d ... *(d>=2)))
20 INPUT "Number? (0-255): ";n
Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... ,49149
; ld a,01000000b ; Input (voltage on RxD and DTR ... />
bit ld bc,65533 ; 10
in a,(c) ; 12 ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... ,49149
; ld a,01000000b ; Input (voltage on RxD and DTR ... />
bit ld bc,65533 ; 10
in a,(c) ; 12 ...
