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<1…16171819202122…34>
  • uMIA: Z80 Analyst - Sesomsoft[b]Full Title:[/b] Z80 Analyst [b]Also known as:[/b] [b]Year:[/b] 1985 (Loading screen) / 1986 (Tape label) [b]Company:[/b] Sesomsoft (Herbert Ba…

    [b]Full Title:[/b] Z80 Analyst
    [b]Also known ... ://www.dropbox.com/s/kcm5egyaz8q9pvg/Z80%20Analyst.zip?dl=0
    Frankie Frankie August 2020 MIA/STP/SDP
  • printing text on HP-GL plotters through RS232 on AY-3-8912Hello, i don't know, if anyone is even interested in these things. But i do. I like printers, plotters and other devices which we can connected to…

    ... wrote pretty long and still unfinished article on my website, but ... with amazing speed 115200bps. Yes, Z80 can do it. On speed ...
    cygnus cygnus August 2020 Software
  • New Utility Z80onMDR - Transfer Z80 snapshot to Microdrive CartridgesWith the growing popularity of the excellent vDrive [url]https://vdrivezx.com/vdrivezx/[/url] I've adapted one of my utilities to create Microdrive …

    ... /> | Usage: Z80onMDR [global options] snapshot.z80 [snapshot settings]
    |
    | [ ... activated if more than one z80 snapshot specified, example:
    | ... Z80onMDR snapshot1.z80 -s screen1.scr snapshot2.z80 Games01
    | which ...
    TomD TomD September 2020 Brand new software
  • CODE instruction in array$ PRINTSo I'm still plugging away at BASIC and have found a line of code (another!) that's really puzzling me. The line is as follows: PRINT A$(P+Q TO P…

    ... /> However, there's a CODE instruction in there and I don ... am misundertanding how the CODE instruction works or I've made ...
    LevelUp LevelUp October 2020 BASIC
  • Elon Musks's Blastar (Conversion)Back in 1984, the 12 year old Elon Musk wrote a rudimentary video game for his SpectraVideo SV-328 (another Z80 Microcomputer) [url="https://www.t…

    ... his SpectraVideo SV-328 (another Z80 Microcomputer)

    [url="https ... running as one part could 'interrupt' another.

    Secondly, the ...
    Snial Snial November 2020 Sinclair Basic
  • ZEsarUX 9.1New ZEsarUX stable version 9.1 :) You will find, as always, compiled versions for Linux, FreeBSD, Mac and Windows. The source code is available,…

    ... file converters: from SNA, SP, Z80, P, ZSF to SCR
    z80, .p, .zsf)
    Improved ZENG ... RTC emulation
    -Fixed frame interrupt
    -Fixed cursor flashing
    chernandezba chernandezba November 2020 Emulators
  • ZEsarUX 9.2 Release CandidateHi! I have uploaded a new ZEsarUX Release Candidate version 9.2. The final stable version will come in a few weeks, so stay tuned! You can down…

    ... CRTC interrupts. After a CRTC interrupt with Z80 interrupts disabled, they were ... not fired when enabling Z80 interrupts
    -Fixed setting bit ... of the Gate-Array and interrupt request
    -Fixed RETURN key ...
    chernandezba chernandezba March 2021 Emulators
  • ZEsarUX v9.2 Final released - Version 9.2 - Cliff Hanger edition. 05 April 2021As seen on: https://github.com/chernandezba/zesarux/releases [quote] ZEsarUX-9.2 @chernandezba chernandezba released this 21 hours ago · 6 com…

    ... CRTC interrupts. After a CRTC interrupt with Z80 interrupts disabled, they were ... not fired when enabling Z80 interrupts
    -Fixed setting bit ... of the Gate-Array and interrupt request
    -Fixed RETURN key ...
    Luzie Luzie April 2021 Emulators
  • Tutorial - full game from scratch in z80 assemblyI wrote a game from scratch to release in z80 assembly and wrote it down in tutorial form. Target is basically 48k speccy with the AY chip, or 128k s…

    ... from scratch to release in z80 assembly and wrote it down ... at http://iki.fi/sol/z80
    Sol_HSA Sol_HSA May 2021 Development
  • Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…

    ... no doubt with the later Z80's.... Makes me wonder ... I walked away from the Z80, and into PC world ... 87, I was still programming z80 assembly for a living, ... and RISC optimisation to the instruction set to speed it ... up with SMP z80? A hundred slaved z80 cores at 1 ...
    cj7hawk cj7hawk August 2021 Hardware
  • Remainder (Mod) calculationsI've been figuring out how to calculate remainders after integer division by a constant divisor k (A mod k = A % k). I found that for most small di…

    ... thats always faster on the Z80, and for some numbers it ... code snippets, add a RET instruction for a proper routine.
    Magne Magne October 2021 Assembler
  • How do you publish your Z80 code online?I'm starting a blog about my pet project. One of the requirements is to publish explanatory Z80 code. What tools do you use for syntax highlighting? …

    ... requirements is to publish explanatory Z80 code. What tools do you ... that I can feed raw Z80 code with and it does ...
    tstih tstih December 2021 Development
  • How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…

    ... , now a crash course in Z80 assembler.

    ... short term memory for the Z80. They simply store numbers ... the A register (the Z80's maths workpad) with ... these examples? Well the Z80 has a register PC ... this number into an instruction. It then reads more ...
    cyborg cyborg January 2002 Games
  • ZX48k terminal...Hello everybody, I thought someone might help me. I connect my good old ZX48k to my PC via serial (IF1) link, and I was trying to write a little term…

    ... at &38 because the Z80 performs an RST 38 when ... BASIC is actually the maskable interrupt service routine. The keyboard scanning ...
    john john December 2001 Sinclair Miscellaneous
  • line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…

    ... per line and since z80 has no DIV instruction, it may be ... memory and make some smart z80 optimizations ;o)
    Mikie Mikie October 2001 Sinclair Miscellaneous
  • Chuckie Egg and joypads on the SpectrumAn old favourite of mine is "Chuckie Egg", but it has no joystick option. I've got a dual port DK Troniks interface, the first port takes IN 31(Kemps…

    ... /> I haven't done any Z80 stuff for about 12 years ... usually pretty simple. An IN instruction on the appropriate port (e ... keyboard detection with one IN instruction. Hence the QWERT layout on ... as this decidely rusty old Z80-er can recall it. Actually ...
    Ed Ed March 2002 Games
  • Games that benefit from a change in speed.Has anybody tried playing games on an emulator at different speeds? I've found that certain games are more playable with a slight speed tweak. Obvio…

    ... a 100mhz z80, and the keyboard seems to be interrupt based - it ...
    Dunny Dunny July 2002 Games
  • My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …

    ... can convert straight to the .z80 format.[/quote]

    BASIC ... pointed out several times the instruction set architechture is the same ...
    cyborg cyborg October 2002 Sinclair Miscellaneous
  • Solution for overwritten stack in 48k SNA filesIt has been known for quite some time now that the 48k SNA file format has one serious fault, which is described in the file formats section on the W…

    ... br />
    The complexity of .Z80 files is the main reason ... by many other emulators. The Z80 format contains so much stuff ... Even the description of the Z80 format is about ten times ... usually synchronized with the Spectrum interrupt (it would be imposible for ...
    Anonymous Anonymous October 2002 Emulators
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... has mentioned yet that the z80 has separate 64k address and ... little helper for beginners: the z80 instruction set is not orthogonal, meaning ... have typical 'roles'. Writing efficient z80 code usually means making sure ...
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…

    ... has mentioned yet that the z80 has separate 64k address and ... little helper for beginners: the z80 instruction set is not orthogonal, meaning ... have typical 'roles'. Writing efficient z80 code usually means making sure ...
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Spectrum edge connectors and 'Dataman Softy S4'Hi, I moved this from the sales thread because it seems more appropriate...anyway... I was twerping around the idea of turning a Spectrum into a we…

    ... /o port bit or an instruction fetch at a special address ... -16K right away. Have a z80 program in the EPROM at ...
    Anonymous Anonymous November 2002 Sinclair Miscellaneous
  • Basic and AY musicis it possible to play an ay-music in background while a basic program is running?

    After your interrupt servicing routine has preserved registers ... the music processing run the instruction CALL #2BF to do the ... of a regular mode 1 interrupt. Then pull register values off ...
    Fraser Fraser January 2003 Sinclair Basic
  • Question on 8-bit, 16-bit, 32-bit...Hello, Sorry, this is probably a really dumb question(and something I should know by now :)). I tried doing some searches about this but came up only…

    ... think) cyborg's [I]Z80 Introduction[/I], which can ... url="http://www.worldofspectrum.org/Z80.html"]http://www.worldofspectrum.org ... address bus on the Z80 is 16 bits, or ... bits long, because the Z80 data bus is 8 ... it would support the old instruction sets (64-bit, ...
    Ed Ed January 2003 Sinclair Miscellaneous
  • Z80 AssemblerSome of you may know that I'm working on a Z80 assembler. I thought I'd start a thread so I can see what people think and what they might want to see…

    ... ).
    And auto-completion of Z80 instruction (ignoring numbers, but showing in ... : Generic, tniASM, Tasm and E-Z80 Way.
    LCD LCD February 2003 Sinclair Miscellaneous
  • Z80 AssemblerSome of you may know that I'm working on a Z80 assembler. I thought I'd start a thread so I can see what people think and what they might want to see…

    ... /> [quote]And auto-completion of Z80 instruction (ignoring numbers, but showing in ... : Generic, tniASM, Tasm and E-Z80 Way. [/quote]

    I ...
    cyborg cyborg February 2003 Sinclair Miscellaneous
  • Z80 AssemblerSome of you may know that I'm working on a Z80 assembler. I thought I'd start a thread so I can see what people think and what they might want to see…

    ... />
    Most certainly - once an instruction is defined it can be ... makes it suitable for non-z80 and non-spectrum applications). I ... think even incompetent z80 coders know enough not to ...
    cyborg cyborg February 2003 Sinclair Miscellaneous
  • "Empire" by FirebirdDownloaded this game of WOS the other night on one of them ol' whims. It looks quite intriguing but, such is life, whilst stuff like Xecutor has a wh…

    ... another intriguing, ambitious but sadly instruction-less game, would anyone care ... while (speed up the ol' Z80 a bit i suggest) and ...
    TygerBC TygerBC February 2003 Games
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