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SAGE gamebook project newsThat's the Spectrum Adventure Gamebook Enhancement, that is (for the time being, anyhow). I've updated the [url=http://www.users.globalnet.co.uk/~jg2…
... is full then the next page rolls down over the top ... of connections in the required format for the routine will be ... -
Vortex Tracker binary format?Hi! Does anyone knows how is the Vortex Tracker format? I don't need the .PT3 format, which is essentially a text file, but the binary form that Vort…
... how is the Vortex Tracker format? I don't need the ... .PT3 format, which is essentially a text ... -
Multiface 3 trouble saving to diskHey all, I have just got a Multiface 3 with the intention of using it to transfer some of my tapes onto +3 disk. I am totally new to this so pleas…
... /> I have just got a Multiface 3 with the intention of ... -
Multiface 3I?m looking for working multiface 3 I would like to copy my cassette games into disks and get some free space. Please, let me know if you have one…
I?m looking for working multiface 3
I would like to copy my cassette games into disks
and get some free space.
Please, let me know if you have one :) -
Broken Multiface 3, can it be fixed?Hi Dusted off my old Multiface 3 and unfortunately it doesn't work. With it plugged in the computer just shows a garbled screen of coloured blocks t…
... />
Dusted off my old Multiface 3 and unfortunately it doesn ... -
type-ins in zmakebas formati were about coding some type-ins from MicroHobby magazine, and found that there are 'semanal' tape series available at http://www.worldofspectrum.or…
... are not available in txt format, compatible with zmakebas or txt2tap ... format - how can we contribute on ... -
Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …
... a screen of graphics in Z80. After a ridiculous amount of ... ]
START
ld hl,16384
ld bc,6144
Tap-format, multiload and fastloading?I'm having a bit of a hard time wrapping my head around the tape-loading process, and the .TAP format. I have a +2A and load everything via a laptop…
... -loading process, and the .TAP format.
I have a ...The impossible made possibleSome years ago Miguel Angel Rodriguez Jodar and I developed the PC Keyboard Interface (still available at SellMyRetro.com). The interface however wa…
... ULA (matrix array) and the Z80 in those models, which are ... . Add 100 ohm resistors between Z80 and matrix array
page=3&p=612923& ...Interrupting emulation if Multiface isn't availableA few years ago I asked about how to exit to BASIC when the BASIC environment is still available and stable. Now I have a similar question... Certai…
... let me use an emulated Multiface to exit to BASIC. Even ... overrides the settings and the Multiface option becomes unavailable. If I ... thing the exit to BASIC Multiface feature would do?
FATware with poke supportI've been trying some divIDE firmwares (with emulators) and discussing some problems in other forums. So I post some results here, because most firmw…
... 've trying firmwares from Velesoft page, and I've found this ... issue is present also in z80 firmware installers (so they can ...Z80 emulation C source with a permissive license?Could anyone recommend a good (all opcodes, proper timings) Z80 emulation code in C with a simple permissive non-viral license? Something without a w…
... good (all opcodes, proper timings) Z80 emulation code in C with ... interested, I found a LGPL Z80 core, not perfect, but still ...Microhobby's Pixel A Pixel compoI've recently found out that there's been a graphics competition Pixel A Pixel held by Microhobby magazine, thx to Ivanzx for pointing this out in on…
... have them in decent electronic format (like SCR file which can ... a good scan of one page with the presented competition works ...Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
This is a tool for Z80 coders who wish the Spectrum ... the Spectrum screen at
16384. Owing to the use of ... back_buffer - 16
ld iy, 16384 + 6912 - (attr * 16)
; last ... ) - (chunk * 2048)
ld iy, 16384 + 6144 - (line * 16) - (cell * ...Lame BASIC BEEPer editor - alphaI like music, like BASIC and find all current music utilities complicated. Since I enjoy Sinclair BASIC so much, I came up with a simple BEEPer edito…
... /s4441ZW3[/url] (Z80 snapshot, can save it in another format if needed ...Z80 not-wroking with divIDEHi mates. I have two questions, maybe somebody could know. I realize some ZX Spectrums don't work with divIDE due to specific Z80 chips. 1) if …
... with divIDE due to specific Z80 chips.
1) if ... I change the Z80 - into another one - will my ... Spectrum with divIDE-non-compatible Z80, no version of divIDE at ...MULTIFACE ONE, MF128, MF3Exist any detailed HW info about MULTIFACE devices ? I need info about memory size and layout, ports, memory paging etc...
Exist any detailed HW info about MULTIFACE devices ?
I need info about memory size and layout, ports, memory paging etc...EMUZLOADER errorI've been sent some program files in EMUZLOADER format. One won't load as the unpacking doesn't stop when it reaches the top of the stack at $408F bu…
... some program files in EMUZLOADER format. One won't load as ... maybe copying it to the Multiface 8k RAM might work, but ...OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... (reset the default ULAplus palette), FORMAT (set the permanent attribute), MOVE ... to a string in hex format).
* More room for ... ,976 bytes of data at 16384, then do an ERASE command ...Moving a line down the display in assembler?...It's not a "[I]how can I do it[/I]" question, it's more a "am I missing something in trying to do it a new way" kinda question. What I've been doing…
... />
[CODE]
ld hl,16384
ld b,8
page.
So, how do ...CMWC random number generator for Z80Seeing the interest regarding the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=23070"]Xor-Shift random number generator for Z80[/URL]…
... -Shift random number generator for Z80[/URL], I became curious how ... -Multiply-With-Carry) RNG for Z80. These generators are based on ... /> To make it suitable for Z80, I have chosen base b ... tests. Here is the corresponding Z80 variant, which returns the 8 ...Simple explanation of interrupts (in the context of Z80/Speccy)I wondered if somebody on here could explain in simple terms how interrupts work on the Speccy and where interrupts are source from. Are they a natur…
... a natural feature of the Z80, or are they instigated via ...Is there a DD40 instruction?On this page: [URL="http://mdfs.net/Software/Z80/Exerciser/Spectrum/zexall.src"]Z80 instruction set exerciser for Spectrum[/URL] I noticed the belo…
On this page:
[URL="http://mdfs.net/Software/Z80/Exerciser/Spectrum ... /zexall.src"]Z80 instruction set exerciser ... /> but in the The Undocumented Z80 Documented (Sean Young) I don ...Known Z80 M1 problems?I got an email yesterday from someone asking for a Z80 without the M1 problem. I only know about the fanout problem that many Z80's are suffering of…
... from someone asking for a Z80 without the M1 problem.
Z80's are suffering off, causing ... ' a ZX Spectrum with a Z80 which has this M1 problem ...Odd versions of the Multiface One.I've been looking through the adverts for the Multiface One and it's clear that there were a number of versions available. Note the earliest advert …
... through the adverts for the Multiface One and it's clear ...Trivial Pursuit Question Packs RevisitedHi folks, As we're getting stuck into loaders and getting some nice TZXs out of them, I stumbled across an old thread in addition to an infoseek sea…
... WIP folder of my Schemes page:
[url]http://newton.sunderland ... it's like a tri-format tape format.
[url]http://newton ...Zymosis -- WTFPL'ed Z80 Emulation Corebreaking news! i'm back with another useless project: new Z80 emulation core written in pure C! i hear you screaming: "oh, no! WHY?!" let me tell yo…
... with another useless project: new Z80 emulation core written in pure ... , i can't test FUSE z80 core, but i think that ... /> also, zymosis passes all FUSE z80 tests (i'll try to ...Pixel plots for entire Spectrum charsetDoes anybody have these, preferably relative to their 8x8 pixel grid, or know an easy way of finding out (i.e in a format similar to the data bin exa…
... in a format similar to the data bin example, page 106, in ...Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…
... /> CC = sdcc
AS = as-z80
LD = sdcc
LIB ... () {
unsigned char * vmem = 16384;
(*vmem)=255;
