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SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... messages (including 0:OK) would halt all sound when displayed - now ... -
Playing AY music on the SpeccyCan anyone help with playing AY ripped music on the Speccy? So, let's say I want to play some ripped AY music, such as: [url]ftp://ftp.worldofspect…
... data in tra_0_2.BIN per HALT command (every 50th sec) to ...
EI
LOOP:
HALT
CALL 51802
JR ... -
New version emulator ZEsarUX-2.1Hi I have uploaded a new version of my ZX80/81/Spectrum/Z88 emulator on http://sourceforge.net/projects/zesarux/ Changes are: Added Cocoa…
... " logical operators
-Special word "OPCODE" to match when running some ... particular opcode
-Special words "ram" or ... -
Fuse tests - INC BC causes contention delayHi all, In the FUSE test suite it has the following for the output of opCode 0x3 (INC BC): 0 MC 0000 4 MR 0000 03 4 MC 0001 …
TV Pal, odd and even framesI have been researching, but haven't found any real interesting information on this subject, so far. What I mean is, since TV PAL signal is interl…
... ) frame, since they just use HALT to sync on the Spectrum ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... ; length of delay.
delay0 halt ; wait for an interrupt.
delay0 halt ??
djnz delay0 ??
ret ...Text scroller and custom fontYesterday I was testing this text scroll routine taken from Jonathan Cauldwell's Intro Maker (labels have been inserted to allow partial code relocab…
... /> JR NZ, L_35381
L_35387: HALT
CALL 00654
INC ...20+ years of X128!Hard to believe, but it's true! I was inspired by Gerton Lunter's Z80 (which I had used for years) and I wanted to make my own Spectrum emulator. …
... proper releases ground to a halt with V0.94 on 02 ...Mastering Machine Code on your ZX Spectrum by Toni Baker - Chapter 17 Disassembling the ROMHi All, As promised I have posted the source code for the disassembler from Chapter 17 of Mastering Machine Code on your ZX Spectrum by Toni Baker…
... known issue that the NEG opcode disassembles as “C HL,BC ...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…
... decode Z80 instructions? Are the opcode rules really so complex? What ...Fuse 1.3.4 releasedA new release of Fuse, the Free Unix Spectrum Emulator, is now available at the SourceForge project: https://sourceforge.net/projects/fuse-emulato…
... 39 to test the right opcode
[*] Win32: Fix joystick initialisation ...New ZEsarUX 5.0Hi! ZEsarUX 5.0 is out! :) You can download it from the URL: https://sourceforge.net/projects/zesarux/ Finally I have succeded emulating Si…
... different views:
1) 1 opcode, cpu registers, other internal registers ...ZXDS 1.3.4Hello, to celebrate the 35th Spectrum (and 10th ZXDS) anniversary, I have prepared [url="http://zxds.raxoft.cz/"]new ZXDS release[/url]. It fixes …
... very subtle contention bug in HALT emulation, which no one will ...Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…
... switch the screen after a HALT instruction.
Of course ...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 …
... because of that I use HALT instruction to wait for vertical ... retrace. And HALT does not seem to work ... wait for vertical retrace without HALT & EI?
Memory Contention: A Hypothetical Fix?I have just had this crazy thought: If one were to wire an additional memory chip, say a 6264 8Kx8 SRAM, in parallel with the main memory so that it …
... ULA is reading from, would halt the Z80 only if the ...A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... ;a short pause
3$ halt ;before
djnz 3$ ;leaving ...i keep getting this error in my assemblerinvalid combination of opcode and operands (ex af,af') what does this mean and how can i fix it? im using spin assembler.
invalid combination of opcode and operands (ex af,af')
what does this mean and how can i fix it?
im using spin assembler.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…
... /> *showing also read memory and opcode execution visual mem
*it ...No-tearing (“vsync”) Full Screen FadeSeeing as most screen fades exhibit visible tearing, I wrote my own routine which does away with that problem. Simple, effective, short, and fully re…
... of attr area
halt ;wait for beginning of frame ...ZEsarUX-7.1 BETAHi I have uploaded a new ZEsarUX 7.1 BETA version here: https://github.com/chernandezba/zesarux/releases/tag/7.1-10082017 Changelog of this …
... : returns 1 if last Z80 opcode was an OUT operation
opcode was an IN operation
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…
... : returns 1 if last Z80 opcode was an OUT operation
opcode was an IN operation
ZEsarUX 7.2 BETAHi! I have uploaded a new BETA version of ZEsarUX 7.2 You can download a compiled version for Mac or Windows from: https://github.com/chernandez…
... can now see the full opcode when debugging Sinclair QL
opcode
Fixed visual glitches ...ZEsarUX Beta 7.2-RCHi I have uploaded a new ZEsarUX Beta version: 7.2 Release Candidate! Next version will be final stable :) You can download it from: https://g…
... can now see the full opcode when debugging Sinclair QL
opcode
Improved hexadecimal editor ... vertical scroll
Fixed triggering "opcode" condition breakpoint
Fixed emulating ...ZEsarUX stable 7.2Hi! I have uploaded a new stable ZEsarUX version 7.2! You must go to the Releases section on the GitHub project to download It, as usual: htt…
... can now see the full opcode when debugging Sinclair QL
opcode
Improved hexadecimal editor ... , view sprites
Fixed triggering "opcode" condition breakpoint
Fixed emulating ...ZEsarUX 8.0 stableHi! I've uploaded a new FINAL stable ZEsarUX version, 8.0 :) You can download it, as always, from the url: https://github.com/chernandezba/z…
... 3 different access (write, read, opcode) at once, generating a RGB ... interrupt bug behaviour where last opcode lasts >=32 t-states ...ZEsarUX Beta 8.1Hi! I have uploaded a new ZEsarUX 8.1 BETA version. You can download compiled versions for Windows, Mac, and the source code from: https://gith…
... when using breakpoints like peek/opcode in config file
Fixed ... a pronoun
Fixed undocumented opcode ED76: I had IM0 but ...Moritz The Striker for the 48k SpectrumDownload: https://www.dropbox.com/s/bbb7n2ipv7ed4k1/Moritz%20The%20Striker%20-%2048k%20Release.zip?fbclid=IwAR2ZdaHdIFQEKGt5raugVaxeudTcQDJT-nQgSk…
... please STOP the tape or halt the tape image if using ...
