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Disabling the +3 disk buffer; yes, but how?I would like to disable the +3 disk buffer in order to retrieve those 4K from the machine's RAMdisk. By reading the computer manual and some posts on…
Thanks BB, I'll take gladly a look at that utility, although what I needed right now was some way of freeing up space in the +3 RAMdisk from a BASIC program. -
Screens and BasicA question about the ZX screens. I am using software to convert my own art and drawings to the ZX Spectrum. I have some tools to change .jpg files in…
... I want to use a screen image in a program?
For example ... . How to use them in a BASIC program?
Any clue? There are ... -
Screens and BasicA question about the ZX screens. I am using software to convert my own art and drawings to the ZX Spectrum. I have some tools to change .jpg files in…
... I want to use a screen image in a program?
For example ... . How to use them in a BASIC program?
Any clue? There are ... ) You are a purist and want BASIC only in the program ; Use [URL ... 33911&highlight=screen%24+basic"]BattleBunny Screen copy[/URL]
Switch 128k to 48k modeNot sure how to go about this using MC, in 128 basic you can type SPECTRUM to revert to 48 mode (I think), but how would I go about switching modes u…
... ]Switching 48/128 modes within a BASIC program[/b][/url]
which ... 48 and back again within a program.Unravelling the Spectrum Floating Point Number formatHi Guys, In my head I pretty much understand how the Spectrum's 5 byte FP number format works. The first byte is the signed exponent and the follow…
... topic. I've also included a BASIC program which does the conversions:
Assembler v Machine CodeHi. I've been looking at a lot of the code examples in the Development section and can see that Assembler is the way to go. However, I was wondering …
... QUOTE=LuMan;689506]I use a spreadsheet which keeps track of ... my Speccy or Emulator using a conventional hex inputter.[/QUOTE]< ... remember once typing up a basic program from a magazine in order to ... me a while.
The effect?
The program ...SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…
... QUOTE]
No that is not correct. The SPECTRA interface ... in behind it. Even when a ROM cartridge is plugged into the SPECTRA ... , should there be a clash with a device then the additional ... SPECTRA functions just as a SCART interface and is I/O compatible ...Varios +3(e)DOS questions?I'm converting tape games to disk, for being used in my +3e. I'm trying to convert them to standard BASIC loaders, so files could be copied using BAS…
... 48/128 modes within a BASIC program[/url] thread shows a method for switching ... .
I've done a few tape->disk conversions ... DOOM from a TR-DOS bootstrap loader to a +3DOS BASIC loader. I ...ANN: Spud v0.217Well if Phil can release a new version of Fuse then I can release a new version of Spud. We're too damn good to you guys, 2 updated emulators in 1 da…
... issues that break the experience a bit:
1) ... counter plummets to single digit when loading from tape.
5) When a .szx file is loaded, Spud seems to ... the Kempston was connected, when it's not? Hard ... I dunno if this is due to point 5 ...Wiz-'ard?As my foray through The Fifth Quadrant proved so popular, I thought that I'd have a go at another forgotten game with no playing tips in need of a go…
I've found what is either a bug or an extremely annoying ... happens consistently. When a Quest Spell is selected, or Wiz advances a level, it ... prints a message and ...Wiz-'ard?As my foray through The Fifth Quadrant proved so popular, I thought that I'd have a go at another forgotten game with no playing tips in need of a go…
... bridges after all. When a new Spell is learned it shows ... the last Prepared Spell. When I switched to Read ... another glitch. Wiz zapped a monster, it went up ... got caught in the blast when the monster exploded? - ... seems to be something a bit dodgy about that ...Loading basic from basic?Hi Guys, Could you please help me. I want to create a menu on my plus 3 disks. If I use the line below I just get "c nonsense in basic" if inkey$…
... 't work, because the BASIC program still would be saved without ... might* be related to saving a CODE block including system variables ... would be reloaded and the program would follow to the next ... /> ah, that was it - saving a BASIC program as a block of code :-)New CPU and Spectranet oddity.I have no reason to suspect this problem is due to a fault/poor design of the Spectranet, but understanding what it does at system initialisation may…
... to this Spectrum board when a CMOS CPU is used. I've tried ... ULAs without any change. In a brief test, it seemed to ... work perfectly with a 47pF capacitor between the CPU ... 't particularly like that as a proper solution, though.Starting with assemblyHi Guys, I am looking forward to following this guide [url]http://chuntey.wordpress.com/2010/01/12/tutorial-zx-spectrum-machine-code-game-30-minutes…
... to produce a .TAP file containing a BASIC program with the machine ... code embedded in a REM ... tapefile="$3"
temp="${basic}.tmp"
filename="${tapefile ... /> cat >>"$temp" "$basic"
bas2tap -n ...Machine code optimisationI'm geting back into z80 coding and wonder what the best way of showing how efficient the code is. I've got Rodney Zaks book and see there are timin…
...
This example IS a tiny tiny bit faster and ... . Memory saving is debatable as you need a vector table that ... well.
When Magic Knight enters a new room in Finders ... hl,(0a181h)
When a new room is entered, say Room8, RoomVec3A ...Outmoded Techno Babble and which of todays technobable is reaching its shelf life.So technebabble. Who uses terms like 'Super Information highway' or 'Surfing the Internet' any more? I believe in believe computing technology terms …
... ]
'Cyberspace' is seldom heard these days.[/QUOTE ... br /> "hifi" and "stereo" when referring to a device which plays music ...
"fun" when a games publisher is referring to the defining ... attribute of a game, ...Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…
... my guess, because anything that is connected with address- or datalines ... check the 'impedance' of all A- and D lines (measuring resistance ... see if there is a differing (shortcutted...) one. When a data line is different you ...Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
I had another thought slenkar.. how big is your program now and where is your dynamic memory located? (That is set by sbrk()). Is it possible your program is running into your malloc memory?Spectrum +2A PSUI picked up a black +2A without a power supply. Looking on eBay the PSUs seem quite rare. The schematics for the PSU show +/-12 and 5v, would it be …
... suit. Im thinking a small PSU from a micro ATX case.[/QUOTE ... to be from a regulated PSU, the +12V is not so critical ... fuses is a good idea. The output voltages are only in spec when a ... minimum load is connected, and you have ...Spectrum +2A PSUI picked up a black +2A without a power supply. Looking on eBay the PSUs seem quite rare. The schematics for the PSU show +/-12 and 5v, would it be …
... are only in spec when a minimum load is connected,[/QUOTE]
I ...Spectrum Utility Routines Compendium (pending)I couldn't make up my mind into which section to put this, so it's ended up here for some tenuous reason. I haven't forgotten about this. I've been …
... the starting address of a game
** A painter (enclose & ... 16*16-digit BASIC multiplication
** Print a large binary ... integer as a decimal
** ... br /> ** Insert a REM of a given length into a BASIC program
** ...Buzzing Grey +2This is mentioned in another thread but I thought I had best start a new one regarding this. Basically Ive done TR4, put a 5.5k resistor to R38 and …
... socket be damaged say from a wrong plug pushed into it ... it only buzz's when a tape deck is connected.
Just ...Binary to REMHi, I'd like to convert binary data stored on tape into BASIC rem statements that I will then save to disk. Is there a utility to extract the files …
... a REM of a given length into a BASIC program" there's a line of BASIC which ...Binary to REMHi, I'd like to convert binary data stored on tape into BASIC rem statements that I will then save to disk. Is there a utility to extract the files …
... a REM of a given length into a BASIC program" there's a line of BASIC which ...How to load a +3 dos file from disk to memory in z80Hi all again, Are there any example z80 code listings (not BASIC) to load a +3 binary dos file from disk to a specific memory destination? Thanks.
... provides 19 DOS functions from a BASIC menu. The accompanying assembler ... Assembler" to load & run a BASIC program saved with an auto-LINE ... number and return to BASIC afterwards. Will it be ... principal to load a binary file into a memory range?
OPUS Discocery DriveHi, since I am new here pls. excuse my bad English. I have a problem with 2 OPUS DISK Drive. One of them is working fine the other not. So I decided…
... models have a more spaceous transformer with a 76x63x12 core.
is/was marginal anyway, I have ... deck' looses free breathing when a second drive is mounted there...
... )
For those without a clue about the Team: [URL ...ULA 6C001EX-7Last night I visited a friend of mine and had a look at the ULAs in his Spectrums. He has a 5C102E 8220 in a 16K issue one, a 5C112E 8237 in a 16K is…
... =balford;761673]Could just be a Saga produced ULA, as these ... , different components are required when a Saga ULA is fitted. It might be ... the reference to 'issue 8' is a typo?128+2 Help!Today the postie brought me an early Spectrum 128+2, it's a Z70700 Issue 1. Everything seems to be working ok, i.e it boots up and the keyboard work…
... enter values as part of a BASIC program.
For example:
20 LET a=64512
30 READ d ...
50 POKE a,d
60 LET a+a+1
70 ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... temporarily corrects the fault, it is most likely that you have ... either an unsoldered joint, a poorly soldered/dry joint or ... step when a poor joint is suspected on a newly build board is to carefully ...Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... then use that data when a read occurs is no more complex (possibly ... less so) than using a counter ...
