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Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…
... make arbitrary data appear on IN 31 from the screen RAM ... interface is disconnected, and I read IN 31 while the ULA is ... (using a short interrupt routine in IM2 to make sure of ... interface is connected, and I read IN 31, can I be sure ... that I've just typed in. -
Hello - I need some help with +3aHello this is my first post so apologies for it being a call for help. I've been collecting the components together to build an uber +3. (Eproms, Ep…
... Zilog Z80a and diligently read this forum, all in preparation.
(I read on here some Z80 ... 's don't work well with DIVide ... up today. I plugged it in and the little Red LED ... -
FS: Spectrum 48K & 128K with games & magsHi, Having a bit of a loft clearance and i'm looking to get rid of my old speccy stuff, would rather it went to a good home than a scrap heap. I've…
... the following,
48K, with box, PSU (computer end needs ... but may be fixable, keys are generally in good condition but black ... free 6-pack that came with the 48k spectrum, still boxed ... , which comes with scrabble and make-a-chip ... -
Working with DOS and Plus D disks on a +2A/+3Don't know if this will be of interest to anyone, but once in a while someone asks how to do it. Dominic Morris has given permission for WOS to distr…
... allow you to read/write disks formatted in MS-DOS or ... ). I quote my conversation with Dominic and hope that this ... br /> I used to run with a disciple connected to a ... t think it will run with it. I lost ( ... to the source of SlowDOS (with Dominic's permission):
... -
SpecBAS 0.646 now available.Yay! Here's another round of bugfixes and additions to the Program. Not so much of the extract coding features, but more back-to-basics this time: […
... and FCHR$ for working with floating point values in strings.
Editor ... to that mark with CTRl-Fn.
RENUMBER command. Renumbers either the ... detected.
READ LINE strvar - will read whatever comes next in a DATA ... -
Development Enviroment System Setup WoesI am following the instructions on this [url=http://zxspectrumdev.blogspot.com/2009/01/setting-up-development-environment-on.html]blog post[/url] to …
... a ZX Spectrum TAP file with BASIC loader, output to same ...
filename with ?TAP? extension.
Use ... ]
However when i press the key it shows executing ... you enough time to read it. Any assistance in this matter would ... -
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…
... "more on storing mazes" in a screen designer - "[url ... a program segment with the OUT command and then MERGEd ... rather than having to READ them into separate variables. ... able to read the print controls in the DATA ... lines), together with the DEF FNs in line 5, ... -
Timing in loading routinesJust for curiosity I have done some experiments with SAVE command in accurate emulators, and then analyzing the generated WAV and I have obtained lit…
... have done some experiments with SAVE command in accurate emulators, and then ... different values as expected in TZX format for standard ... . There are two instruction with contention, OUT (FE),A ... 0.20 per cent compared with the teorical (without contention ... -
Keyboard TrickI know how to use the multi key in BASIC with IN you can get the keys [QUOTE]IN 254+256*(255-2^K)[/QUOTE] K is the keyboard's half row, comes from …
... in BASIC
with IN you can get the keys
[QUOTE]IN ... /> When you don't press anything, it will be 191 ...
When you press any key, it will be ... the amount of all the keys pressed
Example: when you press O and I it will ... -
Accidental rainbow effects.. How do I adapt?I've somehow bizzarrely created a rainbow text effect on my title screen by accident. The title was just supposed to flash different colours whilst …
... since the addition of the IN command the routine produces some attractive ... permanently without the need to press keys?
XOR or something ... ld a,239
in a,(254) ;check keys
and 1 ... -
SpecBAS 0.780 releasedHi all - Back again with a new SpecBAS release! It's all been about arrays this time around, and to add to those lovely associative arrays from las…
... course, you can't just read from it - there's ... nothing to read! But you [i]can[/ ... fine, and you can read that value back easy enough ... written previously, you can read it back just like any ... bug in command history after NEW
An issue with ENDIF ... -
z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
... /> im2_Init(0xd300); // place z80 in im2 mode with interrupt vector table located ... says it cant find 'in'
(compiled with zcc +zx -vn ...
LDIR
; ROM routine, read keys and update clock.
pop ... -
What's the deal with hash tables, anyway?As there's nothing in the [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/0-surc-contents.htm]Compendium[/url] about hash tables, and as I've …
... /> [*]a hash table, associating hash keys with data keys:
[*]a data table ... list of unassigned hash keys is needed in order to choose suitable ... program uses the original function in reverse (less the middle letter ... -
sound issues from +2aFollowing on from this post... But now I have a scart lead and still have a sound problem with it. [url]http://www.worldofspectrum.org/forums/showt…
... still have a sound problem with it.
[url]http ... to certain keys, like the space bar, when I press space in basic ... I get a load of white noise until I press ... just space but about 6 keys in total. -
WANTED proper commandline and INI-File-Support for EmulatorsI´ve tried yet some Spectrum Emulators and not find one which satisfies my needs completely: As I´m now trying to write some MCode routines for TR…
... for TR-DOS v4/v5 with Boriels BASIC and LCDs BorIDE ... be Autoloaded to an Emulator with Beta 48k / Beta 128k or ... loaded in Drive A:
I´ve tried UnrealSpeccy (with ZX ... hope, Emulator Authors read this and add proper command-line and/or ... -
48K games with in game bleeper music and sound FX at the same timeJust wondering if any clever programmer even managed to make a 48K game that features in game music and SFX (from just the bleeper - no AY). Was havi…
... a 48K game that features in game music and SFX (from ... how much could be done with the bleeper. Just wondering if ... -
Keyboard (simultan pressed keys) Test Program in MCode like Vyacheslav Strunov´s Port demo v3.1Anybody here knows of another good Keyboard Tester program (for simultanous pressed keys and in Machinecode) like this: Port Demonstration 3.1 by Vy…
... Tester program (for simultanous pressed keys and in Machinecode) like this:
in Hex and Dec).
read +3 (720k 3.5") disks on a PCHi all I had a 3.5" external drive for my zx spectrum +3 in the 90s. I also have an old PC with an internal 3.5" drive. I'd like to archive my …
... in the 90s.
I also have an old PC with ... cpcdskxp. It seems to read the disks OK as I ... but when I try read the dsk files in an emulator, they ... options in the software? Or have my disks been corrupted with ... (I'd like to try read all my disks before sell ...Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... once you've familiarized yourself with the opcodes.
Fortunately ...
in a,($fe) ; read keyboard
; a = status of keys on row ... is divided into three "blocks", with each block dividing the screen ...did anyone ever abuse their spectrum.no , never abused a speccy , far to valueable at the time and would have been hard to replace , although a few tape recorders got the boot
... I had to repeatedly punch in a key before the desired ... . After a few days all keys stopped responding and I resorted ... violent method of pressing all keys down with brute force hoping to ... used a book to press all the keys by banging on the ...Robin Of Sherlock - please helpI have downloaded so many versions of this classic game but still can't find one saves your position,therefore allowing me to move between sections. …
... a directory to save in to and press OK.
< ... /> 6) In the game, type-in the Save command associated with the game ... (>SAVE usually). when it says "press ... type-in the load command (>LOAD usually). Press play in cassette ...are all the spanish games bad ?can anyone explain why a lot the spanish (mainly dinamic) games seem to play the same way , same huge graphics , same boring scrolling shoot em up , …
... me :) If you read game's reviews in spanish magazines, you ... 'how authors were blinded with DIFFICULTY demand', so they ... a breath during gameplay... with this you lose playability, ... engine-regime-of-revolutions command (crucial in curves) or Carlos Sainz ...EmuZWin 2.5.0.1Version 2.5 Release 1.0 (10-Jun-2004): a lot of changes and fixes in ??? Map Builder ??? GFX Editor ??? Loading & Saving ??? Sound & Video ?? Speed…
... there). Fixed.
[-] Minor bug in AY Sound emulation fixed (really ... Sound).
[+] An option added in Configuration: Disable screen saver while ... a parameter in command-line. Fixed.
[-] Scrolling with keyboard keys in the Debugger in Decimal ...Amiga emu Where i can find good emu for Amiga(any)? [ This Message was edited by: Jet set Z on 2005-01-08 20:29 ]
...
Also, the Amiga can read disks from the PC. *But ... 've forgotten. A certain command and a big huge string ... loaded this, you can read a PC floppy thats formatted ... now you can read a PC disk in the Amiga and ... see the disk in the Amiga's drive. With a hard ...Why do people around here favour Spin/Spectacular?I use Klive. I've never used either of the above two. Can someone tell me why they appear to be superior, is the author hanging around here somewhere…
... situation when in some one game I can press QAOP, in some ... emulator, I can play with it (and my son ... in programing. But anybody can go to my site and read ... Russian people in most do not interest in it at all ... , as well as in multicolor (Russian clones had ...Brainstorm editor?Hello all.. According to one of the tips printed in Crash, Brainstorm by Firebird has a hidden level editor, accessible by pressing 1, 3 and 5 toget…
... hidden games and utilities in his programs but I ... 1, 3 and 5 keys, press the FIRE button (so ... down the 2 and 4 keys, press the FIRE button (i ... three keys depressed). The BLOCKS game pops up in a little ... puzzle game (4x4 grid with 15 pieces to shuffle around ...Beginner InfoI have trying to find some hardware information for use with assembly coding but havn't had much luck. For instance. How do I redirect the vertical …
... the spectrum, nothing works in IM2 mode (with a couple of exceptions ... 40 keys are arranged in 8 rows of 5 keys each. To read the ... mask that is ANDed with the 5 bits read from the port ... executed. If you're familiar with embedded systems or even interrupts ...Cheetah SWEET TALKERJust got a bundle of hardware including one of these. I gather its a speech synthesizer in the mould of the currah microspeech. How do i test if it…
... as you write them, or read any keypress you make.
command line it should read it all as ... a sentence... or it works with PRINT command ... .
Just be sure you plug it in when ...
