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Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... move then refuse PASS and interrupt loop
NEXT b:
interrupt loop
NEXT i:
interrupt loop
NEXT i:
non-empty, and invalid otherwise. Of ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... gently.
[b]interrupt.h, interrupt.c[/b]
... started by writing a non-zero value into their ... void scroll_isr(void) // an interrupt routine called every 1/50s ... seen; both functions are non-standard additions to string.h ... -
Multi-tasking OS on the Spectrum?Do you think it is possible to build a multi-tasking operating system on the Spectrum? That is, most important the ability to have several task run…
... ints rather than relying on maskable interrupts which can be switched ... processes, by supplying a single non-intrusive point to call into ... -
The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... , since the DivIDE traps the interrupt service routine and I'm ... ISR after handling the W5100 interrupt. I may just have to ... a 4K chunk usable for non-volatile configuration data (which is ... -
problem using FRAMES to generate 'random' numbersI realise the pros use bytes from ROM to get their random numbers, presumably because they want to use FRAMES to synchronise the printing and avoid s…
... only updated in Basic's interrupt service routine this also means ... fix this to avoid the "non-random" areas in the ROM ... -
Dangerous Z80 Assembly CommandHave been reading Toni Bakers' "Mastering MC On Ya Speccy" book and came across the list of Z80 commands in the dictionary section. Page 102 "[b]IM…
... my own simple IM 2 interrupt handers work perfectly fine ... range $C000-$FFFF, because the interrupt routine is paged out when ... return to the BASIC editor. Interrupt handlers in this range would ... routine supplied to me is non-relocatable code (contains some self ... -
48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... the Spectrum.
When an interrupt occurred the Z80 would jump ... jump into the ROM at non-standard locations it could cause ... -
RZX reference samplesJust wondering, is it ok that neither Spin nor Spectaculator can replay the RZX reference samples provided on the [URL="http://www.ramsoft.bbk.org/rz…
... the previous frame (null or non-null, doesn't matter).
interrupt-related problems, since I'm ... -
FatWare source codeHi, Does anyone have the latest FatWare source code for the DivIDE? I've e-mailed Baze about it but got non-delivery notices. The last I heard he'd…
... Baze about it but got non-delivery notices.
The ... bugs:
- need disable IM2 interrupt in screen backup time (divide ... of original FATWARE (fixed IM2 interrupt and real TAPe support):
Blank .tap fileHi How do I create a blank .tap file to save games to use in ZXSP ? Very brief info on this in the docs, cannot seem to get to grips with it. Als…
... discouraging users from choosing a non-microsoft branded compiler so they ... it didn't allow sprites, interrupt driven music, a decent speed ...Data bus at interrupt timeIt is "well known" that some peripherals can put values other than 0xff on the data bus at interrupt time, thus meaning that IM2 is slightly more fid…
... known which peripheral caused an interrupt. Effectively, we're ... two different interrupts. One interrupt is generated when the ... peripheral ID). Any two non-conflicting vectors will do ... call and installs appropriate interrupt service routines on vectors ...Real 60Hz NTSC 48K ZX SpectrumNot a 3rd party mod. The joystick mod was added by the user, but the board and the computer is exactly what was sold in Chile, South America. We migh…
... to see the transition from non-contended memory access to contentded ... called 69355 tstates after the interrupt. This presents an obvious problem ...Program Counter question - please readSorry if this is in the wrong forum, but please read it through anyway - see on the FUSE PSP emulator I asked the author if he'd add an option to pri…
... which is updated via an interrupt (as is the case with ... equally common in a normal non-crashed program AND a crashed ...Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... br /> ; a BEEP command, will interrupt the display.
;
... /> ; then code would be non-relocatable
ld (hl), ... ; return
; main interrupt routine [from a 2009 WoS ...
; exit via standard interrupt handler
; (so that ...Question about ZX Spectrum AY interfacesI got this information from Mike, author of EigthyOne: [QUOTE]128k spectrum 1.7734 MHz Timex 1.764 MHz ZON-X 1.625 MHz Fuller 1.625 MHz QuickSilva 0…
... typical non-sample-based AY chiptune will run off a 50Hz interrupt ... you could fake a 50Hz interrupt with fiddly delay loops).
Question about ZX Spectrum AY interfacesI got this information from Mike, author of EigthyOne: [QUOTE]128k spectrum 1.7734 MHz Timex 1.764 MHz ZON-X 1.625 MHz Fuller 1.625 MHz QuickSilva 0…
... typical non-sample-based AY chiptune will run off a 50Hz interrupt ... point. I was thinking about non-interrupt driven tunes in relation to ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... /o port. DI disables maskable interrupts and EI enables them ... 50 times per second). When maskable interrupts are enabled (EI), ... and respond by calling an interrupt service routine. Afterward it will ... arranges to run BASIC's interrupt routine so by default ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... i/o port. DI disables maskable interrupts and EI enables them ... 50 times per second). When maskable interrupts are enabled (EI), the ... and respond by calling an interrupt service routine. Afterward it will ... arranges to run BASIC's interrupt routine so by default ...More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... have to use a slightly non-standard approach to decoding the ... to avoid accidentally decoding an interrupt acknowledge, interrupt acknowledge uses a special ... faulty M1 lines, since the interrupt acknowledge will look like an ...Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…
... to zcc.
2. Non-static variables like local variables ... is run in an IM2 interrupt routine. The IM2 library can ... z80 in im2 mode with interrupt vector table located at 0xd000 ... as the address of the interrupt routine to jump to.
Best Spectrum game from 2009Ok, its almost 2010, and we have to decide which was the best game this year :) Miles Mad Mission [url]http://www.worldofspectrum.org/infoseekid.cg…
... ). The Pentagon itself is most non-standart machine, it has 48 ... having 'more' T-States per interrupt (71680). So, the software, which ...Converting games from tap to dskHi to all from Greece, Being an old Speccy user and now owner of most models of Spectrum (48k , 48k+ , 128K, +2 grey and +3) , I desided to salvage m…
... then note down PC, SP, interrupt state then poke the code ... 23611, so this becomes a non-issue.The Making Of Manic Miner"Matthew Smith talks us through every level of his classic platformer Sat at the very desk where it was written, Matthew Smith watches Miner Willy l…
... stuff, up to...
BE84: Non time critical code (level setup ... of data
FDFD: Interrupt vector table
FF01 ... of the features:
* Non-attribute based collision, so can ...Please test my Manic Miner remake!Thanks to everyone who downloaded my sneak preview of Manic Miner Turbo. Thanks especially to na_th_an who is the only person so far to give feedback…
... to a back buffer in non-contended RAM and add dirty ... ISR:
[code]
; interrupt service routine
isr: push ...48k titles you wished had AY tunesFollowing the GAMES for Spectrum48+AY_interface & Paperboy remake threads, it's got me thinking about those games that were lacking either a 128k mod…
... another 128K page with an interrupt running it. I'm smart ... /> Be nice to see a 'non denied' game first with a ...Mistake in the 128K technical FAQ?[url]http://www.worldofspectrum.org/faq/reference/128kreference.htm[/url] [quote]Memory banks 1,3,5 and 7 are contended.[/quote] Really? I thought i…
... T for non-contended RAM.
A fairly minimal interrupt routine ...KING OF PONG: Pong revisitedHello everybody. I'm proud to announce you that my last personal project for the ZX Spectrum, "KING OF PONG" is available to download here at WOS si…
... every redraw. If they are non consecutive, I'll print the ... code installed in the default interrupt vector.
Finally, the ...Arkos TrackerHi all, I'm proud to present you my Windows-based Tracker : Arkos Tracker, for you to compose for Spectrum, CPC and MSX. It requires .NET 3.5 at lea…
... , except for frame interrupt). If the player takes non-constant time, you ...Arkos TrackerHi all, I'm proud to present you my Windows-based Tracker : Arkos Tracker, for you to compose for Spectrum, CPC and MSX. It requires .NET 3.5 at lea…
... , except for frame interrupt). If the player takes non-constant time, you ...Arkos TrackerHi all, I'm proud to present you my Windows-based Tracker : Arkos Tracker, for you to compose for Spectrum, CPC and MSX. It requires .NET 3.5 at lea…
... ;450125] If the player takes non-constant time, you can't ... the last thing in the interrupt routine, after all sorts of ... at the start of the interrupt will have some minor variation ... at the start of the interrupt, do [i]roughly[/i] half ...
