-
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…
... one in the 128 Editor ROM, it's horribly complicated and ... and it will drive all 16 channels of a MIDI instrument ... IM 2 interrupt routine I write myself (like manipulating the screen ... -
Why are we here? (At WoS)No, not a deep philosophical question about the nature of life, the universe and human existence. The thread “what does your partner think of …
... -head *shudder*) sent me the emulator X128 - this was the then ... .
2b. Any program you write for the Spectrum will work ... contrast, had the Complete Spectrum ROM disassembly very early on).[/quote ... -
Emulator accuracy test?When I first created my emulator it worked fine. But then I found one or two games that had odd quirks. Eventually I found the flag or command that w…
... ;254467]Fair enough - you did write Fuse, so I assume you ... IX,BC. That's two 16-bit operands, so you're ... do that faster on an emulator, but you're test is ... -
Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…
... about it. Does your emulator actually emulate an Intel 8048 ... br /> Since the code is ROM-only no problems with selfmodifying ... 't think I will write a ZX81 emulator - simply because of ... developped a faster Z80 emulator. The ZX81 emulator uses this mainprogram:< ... -
Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…
... going to do a 6502 emulator originally, in particular the Vic20 ... memory write. Having the M1 table allows me to trap ROM routines ... 've just started a NASCOM2 emulator - but that has a Z80 ... -
Emulators on the ZX SpectrumHaving released a Spectrum 16K emulator for Spectrum 48/128 machines as part of CCG2008, I was wondering if anybody knows of any emulators which actu…
... write. Having the M1 table allows me to trap ROM ...
Remember that my optimized emulator routine took me several years ... states.
(my first emulator reached every code in 52T ... EX AF,AF' ; Back to emulator registers
EXX
JP ... -
Interface 1 emulation issuesFor Virtual Spectrum v3.0 I am implementing virtual Interface 1 and Interface 2 options! The I/F2 ROM option works already, and I have got the I/F1 s…
... to use Spectaculator as my emulator of choice. The authentic microdrive ... for Spin, so I should write it up and send it ... do what. His main ZX ROM disassembly has also been useful ... -
Punch up! Bruce Everiss mauled by the internet over why Imagine collapsed.I couldn't see this posted here so I thought I would post it. It kept me amused for at least half an hour. Bruce Everiss on his blog claims piracy br…
... on.
It took a 16 bit machine to implement it ... time for a PC Spectrum emulator so no add on needed ... more than additional RAM (or ROM) because that was all that ... -
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…
... ($FF) at end of ROM (around $3900 if memory ... The original 48K ROM is different to the 48 ROM on 128 machines ... they jump into the ROM at non-standard locations ... work. See Geoff's ROM disassembly for a better explaination ... seem to read or write to random I/O ... -
Handling RST8 on a +3Well, I've come to that bit of my project that I wasn't really looking forward to (because I don't understand enough about the ZX BASIC ROM) - extend…
... from a string to a 16 bit int)
* ... only do so via the ROM socket library, or the ... no reason you couldn't write a channel that polled.
ROM can be entered via the ... socket library without requiring any ROM trapping, the RST 8 trap ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... generated by the BASIC ROM goes via OSWRCH (write) and OSRDCH ( ... this is because my screen write and scroll routines are quicker ... BBC emulator) implements Econet over TCP/IP. A modified DNFS ROM could ... Currently I'm trying to write a correct OSWRCH routine. It ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... at the routines quoted. The emulator might have to 'plot' characters ... I only had 2K to write the program in. You have ... there with the Gosh Wonderful ROM.
You can test ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... I'll have to write an alternative ROM ($0000-$3FFF) to ... also now have the ROM disassembly which is the ... current copyright status of the ROM before publishing it! I ... 16K for the language ROM and 6K for the ... takes 120 seconds on the emulator. It takes 58 seconds ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... % then the emulator runs the loop in a mere 48.1 secs ... change to remove all read/write traps but that only speeded ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... only. Just need to re-write CLS, scroll the attributes and ... with by multiplying by 3/16. MOVE (PLOT 4) has been ... variables before running the language ROM.
[/LIST]
I ... -
MP3 or WaveWhich sound format is better quality/bitrate for loading Spectrum games from an audio CD? MP3 or Wave?
... audio, which is always stereo 16 bit samples at 44.1 ... MP3s off of a CD-ROM, and many can, you can ... WAV file, not a mono 16 bit 48 kHz WAV file, to ... much bigger than the mono 16 bit 48 kHz file that I ... -
MP3 or WaveWhich sound format is better quality/bitrate for loading Spectrum games from an audio CD? MP3 or Wave?
... an audio-CD ( 44100 Hz , 16 bit , stereo)
8319 KB ... generated with Rephlex method ( 56kpbs , 48 KHz)
755 KB as ... compilation in a single CD-Rom is equivalent to 45 or ... -
VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... (512 bytes)
; from ROM 32768 to RAM 7168
BNE TL_3
LDA #$16
JMP STORE_WORMDIR
... TL_3
CMP #$16
BNE TL_4
... LSR
LSR
ORA #48
STA 7966
PLA ... -
ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p
... a look at the TS2068 ROM there is already a routine ... machine if you stick a 48 emulator in the cartridge slot.[/QUOTE ... /> I tried with a Spectrum 48 emulator cart, but I think there ... -
16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…
... connector) everything works perfect! Rom can paged in and ... mange to change Peras ROM code. Also I think ... If I manage to write a software which make ... have read your diag board rom source code?
emulator supporting the Speccy net may ... -
Spectrum Ethernet updateWell for those of you who don't follow the news section on the project page, here's a quick update...and a request. Development has slowed a bit, si…
... stream operations - open/read/write/seek/rewind/close et ... don't have to write bug-compatible clients. But ... User Space, not the emulator) I have already considered ... easy way of adding ROM modules after the fact, ... and dynamic binding for ROM calls to make it ... -
Codemasters Cd Games Packim relatively new to using emulators and have discovered that some of my favourite games are still held by copyright and therefore not easily located…
... loaded first, or perhaps something ROM based. The short answer is ... you'd just need to write a suitable loader for it ... />
Hi,
Realspectrum emulator can emulate the Codemasters cable ... -
Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... address 0x0000. Since the 48 BASIC ROM is paged in, this ... as a cold reset in 48 mode, but as mentioned ... happens if you select 48 mode from the menu ... values and paging in the 48 ROM, however, using USR 0 ... wasn't asking you to write anything, I was wondering ... -
Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... , it was attempting to write it to the ROM.
(I ... my code into the SPIN emulator built-in assembler, it just ... -
Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... RandomFill0
;Every 16 passes - perform 2 bit FADE ... " message
LD D,16
CALL QUICKPRINTSTR
... NZ,InversionFill1 ;Wrapped around to ROM?
RET
; write attribute byte QP_ATTR and use ... -
Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
... br />
Yes, is possible write file browser to RESIDOS, but ... without requiring the 128 editor ROM.[/QUOTE]
Divide ... />
[QUOTE]ZXCF uses full 16-bit as well as far ... systems, the solution is to write software targeted at ResiDOS rather ... -
CSSCGC 2008 has now officially begunFor coming last in the 2007 crap game compo, I have the honour and privilege of hosting CSSCGC 2008! I have now put up the CSSCGC 2008 website at …
... couple of months to write the code and get ... it could run the ZX ROM without crashing! Looking back ... primitive compared to the 6502 emulator in 20 Commodes. I ... m working on the BBC emulator. I won't release ... . However, I hope to write programs in BBC BASIC which ... -
Travel with Trashman - problems with +2A modelsI am trying to load this game on my +2A and it doesn't seem to load, the screen gets all white and the program doesn't load at all, and I am doing it…
... Trashman requires the original unmodified 48 ROM to LOAD. The only way ... machine is to replace the ROM. If you can live without ... could LOAD it in an emulator, make a Z80 snapshot and ... -
How does the Speccy deal with the Character Set?Hi All, Can anyone spare a little time to explain to me the basic Assembly method of how the Speccy interprets and retrieves Characters to print on …
... method is to use RST 16. This is the Spectrum's ... />
The typical routine to write a string in assembler is ... .
ret z
rst 16 ; print the character
inc ... and locate the character in ROM, and copy it to the ...
