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TASM, Z80 and Spec emusHi! Having some novice questions here regarding TASM and writing machine code for the Speccy emus... Now I have configured TASM into my EditPlus and…
... I have started writing a test asm-file:
; Testfil ... my knowledge about Z80 asm syntax? The demo z80 file with tasm ... separate binary files? Any good Z80 guides on the net specific ... -
Decimals, bcd etc in z80...Working bloody full-time on my Ragnar Revival game right now - just finished the basic sprite engine and before I go on coding the actual 3d engine (…
... ... Although I could develop something, test it and re-develop it ... and display decimal numbers in Z80, such as score and time ... it and count with it z80-friendly, that is as one ... handling and displaying decimals in z80?
EDITED:
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
I'm quite new to z80 programming, but i'm attempting ... plan to use RealSpec to test that.
I've ...First steps in Z80 machine codeI never got into machine code much back when I had a speccy, as I didn't have any development tools at the time. The only machine code I'd previousl…
... Z80 machine code.
I wrote a little pacman-like test ... /sinclair/[/url]
pactest3.z80 is the emulator snapshot and ... the code, I'm a Z80 newbie, and probably haven't ... enjoyed learning the basics of Z80 machine code, seems like loads ...Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... it would work on a Z80. Yesterday I had a bit ... I put together a quick test for finding the a,b ... well on the Diehard test. Here is the Z80 code for the ...Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... I have started to learn Z80 machine code - 25 years too ... JR NZ instruction. My little test program is intended to paint ...ZX Spectrum 48K clone and test resultsHi! This is my first post, so, first of all, I'd like to say hello to the whole community! I am Alessandro Dorigatti from Italy and I'm developing …
... , as it mounts a real Z80, 3 SRAM chips (512K, 128K ... .
The first failing test is IRContention; I will try ... the text shown by the test and they are in the ...Spectrum+2A(B) Stuck in Test ModeHello there my fellow WoS'ers, I have recently got yet another +2A(well B) but it only boots to the TEST Mode - multi colour bars with 1986 on them …
... it only boots to the TEST Mode - multi colour bars with ... +3e) and a fully working Z80, still the same.
Testing Z80 op codesHappy new year all! I'm currently testing my Z80 emulator (hand written from scratch in C#) and I've possibly now gone insane, testing is taking hug…
... /> I'm currently testing my Z80 emulator (hand written from scratch ... Zaks "Programming the Z80" book and implemented the Z80 emulator from that ... writing a massive assembly test project to test everything is filling with ...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 ... /> (sorry, i can't test FUSE z80 core, but i think that ... /> also, zymosis passes all FUSE z80 tests (i'll try to ...Z80 snapshot formatI read documentation for Z80 snapshot on WOS and see in table possibility insert ROM image to Z80 file. Here is full table: [code]The pages are numb…
... possibility insert ROM image to Z80 file.
Here ... supported rom loading from Z80 file ? I test ZX SPIN, SPECTACULATOR, ... accept only ram pages from Z80 snapshot and ignore rom pages ... (can't save Z80...).
Here is Z80 snapshot 128kB with ...Adding a pause key to ArkanoidHaving rediscovered the simple pleasure of playing 1980s games on genuine 1980s hardware, I've also remembered that emulation can provide a feature m…
... the in-game controls. To test my hypothesis, I put a ...
out (0xfe),a
scf
ret[/CODE]
z80-fu is still in training ...ESXDOS 0.8.5 and .Z80 on +2B or +3Last week I received some .Z80 snapshot files from a DivMMC EnJOY! user to test. These files didn't work on his ZX Spectrum +2B. [URL="http://benophe…
... some .Z80 snapshot files from a DivMMC EnJOY! user to test.
Z80 files.
[U ... from the shelves and the .Z80 files didn't work.
Z80 CPU was a cause of ...JSpeccy 0.93A new JSpeccy version has been released. Summary of changes, - Drag & Drop support forTAP/TZX/CSW/SNA/SP/Z80/SZX/ROM files. - Command line options …
... forTAP/TZX/CSW/SNA/SP/Z80/SZX/ROM files.
SCF/CCF (thanks to Patrick Rak by his investigations and test ...Fuse bug? Strange T state countingI was testing delay routine presented [URL="http://www.worldofspectrum.org/forums/showthread.php?p=214851"]here[/URL]. I'm reproducing its listing: …
... its listing:
[CODE]; Z80 delay routine
; by Jan ... . I made following program to test this:
[CODE] ORG ... 10 T stated in the Z80 manual.
More intriguing ... execute a clean USR to "SCF + RET NC" or "RET". Fuse ...Help for beginner with z80Hi chaps, I'm reasonably new with z80, but had a fair amount of experience with 68000, so decided to give a few things a go. One little thing I'm t…
... /> I'm reasonably new with z80, but had a fair amount ... shift those 8 bytes and test bit 7 each time, then ... /> My original idea was to test the 'n'th bit but ... . BIT a, b (e.g. test the a'th bit of ... having to jump about and test stuff?
Bit of ...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 ... hand coding Z80! :-)
Editor
Assembler
Debugger/Test Environment ... like an "Editor" that has Z80 source colourisation and the ability ...Zero v0.8Pigs can apparently fly because it's the v0.8 update of Zero that no one asked for but is out for public consumption anyway. Grab it [url="https:/…
... ZJoyKiller, Ped7g).
- Fixed SCF and CCF flags for undocumented ... Fixed loading of some 128k Z80 files with trailing zeros (Damien ... during 7ffd out - passes ptime test now. (woody).
- ... /> - Fixed loading of z80 snapshots with invalid tstate values ...Machine Code ChallengeHere's a challenge for all you Z80 programmers. Points to be awarded for elegance and brevity. (I haven't got the solution either) HL addresses the …
... program now. Here is some test cases:
Check byte following ...
'The E-Z80 Way' Z80 Cross-Assembler. F. Ross. 2000 ... ,0
8033 37 4 SCF ; Carry is bit to place ...ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…
... ://www.mdfs.net/Software/Z80/Exerciser/Spectrum/]Z80 Exerciser[/URL], some flags ... real Spectrums also fail this test, the results cannot be trusted ...ZXSpin 0.61 Available nowHi all! Well, after a lengthy few testing cycles, I'm taking the plunge and uploading the latest version of ZXSpin, to replace the rather aged old 0…
... real-spectrum data - the test is flawed. Given that a ... be sure that the test is carried out correctly. ... don't know what the test relies on.
Z80/Exerciser/Spectrum/outall.txt ... in the test, just flag effects. The .z80 file is ...Which is the most technically accurate Spectrum Emulator?Ok, which is the most technically accurate Spectrum Emulator? Please don't just vote but give reasons why.
... /> ZX32 failed on
SCF
CCF
CPL
|-------------------------------------------------------
| Emulator | Fusetest | Z80 Test Suite | Total |
|------------------|----------|----------------|-------|
| 1 ...SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... test now features about 150 test vectors and thoroughly tests almost all Z80 ... instruction except CCF and SCF is affected by the ... flags, the immediately following SCF/CCF does move of bits ... the instruction interrupted, the SCF/CCF executed as first instruction ...Compiler conventions for passing args/return valuesI've been mulling over this for a while, but I can't spot it covered anywhere. There are various methods for passing args and return values between …
... non-standard C keywords to test the state of the ... inefficient type on the z80 but your idea of ... />
call stdio_num2char
scf
push af ; digits onto ... is "utoa_callee" and the z80 entrypoint is "asm_utoa". You ...Compiler conventions for passing args/return valuesI've been mulling over this for a while, but I can't spot it covered anywhere. There are various methods for passing args and return values between …
... very inefficient type on the z80 but your idea of using ... them yet) store more, but test only what is required:
test.
3) rr l (and ... it is generated by a "scf" or "or a" (to reset ...SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... QUOTE=Patrik Rak;758981]The test vectors in my tester cover ... they occur, and adjust CCF/SCF accordingly.
... ]a[/I] model of Z80 accurately, even if it's ... of users, a CMOS Z80 option would be yet another ... plan to modify the Z80 patches for GDB and ...SCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... flags, the immediately following SCF/CCF does move of ... regard, so the following SCF/CCF does OR.[/quote ... 5 specifically) actually make scf/ccf to set flags ... Z80 transistor net from Visual 6502 and managed to test ... one thing about the scf/ccf instructions is that ...Z80/SNA Compiler under Windows???Does anybody know anything about Z80/SNA compiler under Windows???
Does anybody know anything about Z80/SNA compiler under Windows???Interface for PC ZXSee last entry of former TOPIC. I'm working on the interface. Info about it on MISCELLANEOUS Author: Arjun (---.bng.vsnl.net.in) Date: 08-13-01 …
... /> I found out how to test it, but I still must ... test it.
In fact ... ? I been trying to master z80 machine code for 20 years ...Z80 to DSK?Does anyone know if there is a prog that can convert z80,tzx or tap files to dsk format? I have access to a friends pc that has a 3 inch drive which …
... a prog that can convert z80,tzx or tap files to ... looked at a program called z80 snapshot loader at
[url ...
