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spectrum 48k issue 3b coloured blocksI have pucked up a nice looking plus but when powered on get black or yellow border and random coloured blocks on screen, I have taken keyboard off a…
... taken keyboard off and the z80 has been replaced before and ... look, I am getting the cpu taken out and. socket fitted ... and a replacement cpu fitted if it's the ... -
Z80-Code Flow-Chart Analysing ToolHi all, when working on my current Speccy Project with Pasmo, i imagined, it would be nice to have a tool for analysis of produced Z80-Code on t…
... for analysis
of produced Z80-Code on the Linux Commandline ... -
Best beeper player with good trade-off between sound quality and CPU timeHi all.. I'm toying with the idea of writing a small demo/intro on the 48k Speccy. Last time I did this I cheated and used an AY add-on but this t…
... image renderer. I want more CPU time.. and I want better ... leave a decent whack of CPU time for me to do ... -
Turning .src files in z80 source code into .tap files.Does anyone know how I might go about turning z80 source code in 5 .src files into a .tap or .tzx file so that I can play it into my Spectrum +3? …
... I might go about turning z80 source code in 5 .src ... -
Visual Studio dev environment for Z80 code.I couldn't find one, so I as wondering if there was an Assembler that could be used via a modern Visual Studio version on Windows? I used MASM in the…
... there's an open source Z80 assembler already that can compile ... -
CPU speed controller (SLOMO) + K-MOUSE + JOYSTICK + ZX BUS EXPANSION (3x throught zx bus)Anyone is interested of this hardware ? [img]http://velesoft.speccy.cz/other/km2016lp3d1.jpg[/img] It's horizontal version of K-MOUSE interface(p…
... (ps2 mouse) with built-in cpu speed controller + joystick interface + zx ... -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... /> [code]
CPU:
68000 CPU @ 9Mhz, generic CPU
Z80 @ 4Mhz, for sound ... -
"Decoding z80 Opcodes" (http://www.z80.info/decoding.htm#intro) - Incorrect HALT Opcode?Apologies if this is a dupe but I searched within the forums and couldn't find anything. I've been working on a z80 emulator (for academic and rec…
... 've been working on a z80 emulator (for academic and recreational ... have been using http://www.z80.info/decoding.htm#intro to ... -
New game: ZoomBloxHi everyone, this is my first post here, so first off I'd like to say hello to the Spectrum development community :) I've been developing on an…
... graphics
- The relatively powerful CPU
- Its overall look and ... never really felt like learning Z80 in-depth, so I never ... limited, therefore unrespectful of the CPU time instead :) )
[b ... -
RC2014 - Homebrew Z80 Computer KitNot quite ZX Spectrum related but it is closeish :) thought some peeps might be interested.... A Z80 DIY computer that can run MS BASIC and with a Pi…
... peeps might be interested.... A Z80 DIY computer that can run ... /Semachthemonkey/rc2014-homebrew-z80-computer-kit/"]RC2014 - Homebrew Z80 Computer Kit[/url ... -
Optimized (in size) Z80 simulatorI am evaluating Z80 simulators to try to create a tool to analyse z80 programs. I'd like to start with a simple register coverage tool and t-state cy…
I am evaluating Z80 simulators to try to create ... a tool to analyse z80 programs. I'd like to ... no simple system to decode Z80 instructions? Are the opcode rules ... complex? What's the shortest z80 simulator in existence? I was ... -
z80 replacementI have a Z80 with a bad M1. Would this be a suitable replacement? http://www.mouser.com/ProductDetail/ZiLOG/Z84C0006PEG/?qs=%2fha2pyFadujVcI6Qdio…
I have a Z80 with a bad M1. Would this be a suitable replacement?
http://www.mouser.com/ProductDetail/ZiLOG/Z84C0006PEG/?qs=%2fha2pyFadujVcI6QdiokaAkI9fpd2Kz8T0thgCH2nHo%3d -
TAP/TZX/Z80 to SNA Conversion Tool??Is there a program to convert TAP/TZX/Z80 to SNA??
Is there a program to convert TAP/TZX/Z80 to SNA?? -
New Z80 Assembly Syntax Highlighter!I made a syntax highlighter for TextMate for the Z80 assembly language. While it’s designed specifically to work with [b]zasm[/b], an assembler writt…
... highlighter for TextMate for the Z80 assembly language. While it’s ... cases) to work with other Z80 assemblers.
For the ... -
New stable version ZEsarUX-4.2Hi everyone! I have uploaded a new stable version of ZEsarUX emulator, version 4.2. You can download it from: https://sourceforge.net/projec…
... real video enabled
Fixed Z80 cold start registers
Fixed ... continuously: waveform, ay registers, cpu stats, debug cpu, visualmem
Fixed ZXpand ... -
z80 Helper?When you are programming with z80 do you get 'lost' you are in the middle of making a routine and you can't remember which registers are holding val…
When you are programming with z80 do you get 'lost'
... -
Key repeat weirdness with EI & IYI finally (after 35 years!) decided to write something a) for 48k speccy b) in z80 assembler. It's been over 20 years since I've written anything in …
... ) for 48k speccy b) in z80 assembler. It's been over ... memory layout and b) that z80 has more registers than 6502 ... above. I'm checking the cpu usage by having a macro ... -
ZX Spectrum Z80 Development Environment on WindowsHi Folks, Just wondering what the recommendation is for a ZX Spectrum Z80 Development environment on Windows? Getting fed up with hand coding Z80…
... is for a ZX Spectrum Z80 Development environment on Windows? Getting ... fed up with hand coding Z80! :-)
Editor
Assembler ... like an "Editor" that has Z80 source colourisation and the ability ... -
What mods do you recommend for a +2aHello all, I have recently got a +2a, that is running nicely. I'm thinking of modding it. I have read that the +3e rom is a good option. what else…
... , if you put a replacement z80 cmos that rated at 4Mhz ... .5Mhz from the original cpu? Or is the cpu speed controlled by ... -
KLIK: Z80 snapshot to screenshot converterWith most Spectrum emulators, you can save current game screen in original ".SCR" format. This will give you a 100% perfect copy of the Spectrum scre…
... it as snapshot in format ".Z80", then run [b]KLIK[/b ... have a screenshot called "dreamwalker.z80", then execute this command line ... :
[code]klik dreamwalker.z80[/code]
It will ... -
How do I convert a .z80 snapshot to a tape file?I've been fiddling with this for a while but can't get it to work reliably. I use Marvin to write short BASIC and assembly programs that uses .z80 in…
... and assembly programs that uses .z80 in 48k mode. I want ... -
ZEsarUX 6.0 stableHi! ZEsarUX 6.0 stable is out! This is a major version, it includes some new machines and a lot of new features and bug fixes :) You can downlo…
... mode, layer priorities, partial Next Z80 opcodes (see extras/docs/tbblue ... n
Improved footer. Host CPU % usage on footer is not ... to avoid confussion with emulated CPU speed. You can enable it ... Windows freeze issues when doing cpu-step on ZRCP
Porting Scott Adams adventuresHello all, I would like to attempt to port (at some time in the nearish future, after several other projects are finished!) the Scott Adams advent…
... unfortunately but it is a Z80 machine (it's the Sharp ... the Spectrum for the common CPU between the two and presume ...I introduce myself and my emulator.Hi! My name is Marta, and I've been a Speccy user for 30+ years now. During the past year I decided to write my own emulator, just to see if I cou…
... emulator out there! :) I got Z80 docs, official and unofficial, and ... takes up a lot of CPU. My goal was not implementing ... , it has:
- Quite faithful Z80 emulation (except for SCF/CCF ...Restoring AY registersAfter doing (not still finished) the sna to tap converter, I'm going to try to do the same for 128k snapshots. I've got threee ideas about what to do…
... 've only found them in Z80 snapshots (I guess SZX do ... into transfer code to restore CPU registers and execute the program ... loading everything and before restoring CPU registers).
AY registers ...Poll: Common Z80 Cross-Assemblers in use / WUDSN IDEHi there, my name is Peter Dell/JAC! and I'm the author of WUDEN IDE, a cross-platform IDE for 6502 based systems like Atari, Apple and C64, htt…
... a numer of requests for Z80 support and ZX Spectrum and ...ZEsarUX-7.1Hi! There’s a new stable version of ZEsarUX, version 7.1! The next 24th of September it will be 5 years old :) So this is a special anniversary…
... Menu
Added new Z80 TBBlue opcodes and deleted ... X use lots of less cpu than before
* ... : returns 1 if last Z80 opcode was an OUT operation ... : returns 1 if last Z80 opcode was an IN operation ... TBBlue video display cpu usage: 3% less cpu in my machine ...
