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zxs v0.2 releasedI have released v0.2 of zxs if anyone is interested, judging by the response to the first release, I'd say not, but I'm gonna do it anyway!. It has h…
... that I have tried for test purposes are working. The IO ... few games I use for test purposes, mainly Sabre Wulf and ... working on the scratch written Z80 core. It is in this ... -
Problem with new DivIDE+ on ZX +2A?I just received DivIDE+ from RWAPSoftware and am having trouble getting it to work on my +2/A. The device came with 1GBCF card preinstalled with 3 ga…
Is there a way to tell if I have one of the bad z80 without the M1 line, does the CPU look differently, has special marking, serial number, etc.?
Is there any software test to test for it?
Thank you. -
Problem with new DivIDE+ on ZX +2A?I just received DivIDE+ from RWAPSoftware and am having trouble getting it to work on my +2/A. The device came with 1GBCF card preinstalled with 3 ga…
... have one of the bad z80 without the M1 line, does ... />
Is there any software test to test for it?
Thank you.[/QUOTE]
Test: if a Multiface works, it ... with a serial number (which Z80 did not have). -
X128 - moved forward.I don't know if anybody noticed but author of the X128 emulator resumed works on the program: [url]http://www.indigobanquet.adsl24.co.uk/x128wip/x12…
... , so if I want to test a .tzx file I use ... quick loading and conversion to .z80 format of long loading .tzx ... -
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 ... -
48K Speccy Repair Log.Some people may know my love for writing up my repairs of arcade PCBs on various forums so thought I would do the same for this little fella. Had th…
... . In any case the original Z80 was off the board at ... what the problem with the Z80 is either, originally it was ... />
From memory the peek test gave the 16K result plus ... -
JSpeccy new releaseA new version of my Java based ZX Spectrum emulator has been released. The summary of new features is: - 128k/+2 ZX Spectrum emulation - AY-3-8912 …
... all Z80 tests, only failed last four tests in "test timing 48K ... -
JSpeccy new releaseA new version of my Java based ZX Spectrum emulator has been released. The summary of new features is: - 128k/+2 ZX Spectrum emulation - AY-3-8912 …
... all Z80 tests, only failed last four tests in "test timing 48K ... -
Another machine code problem, sorry[CODE] OPCODE HEX ADD LD A,00 3E00 F000 PUSH AF F5 F002 LD B,05 0605 F003 LD C,06 0E06 LOOP F005 POP AF F1 ADD A,C 80 DEC B 05 …
... ) - you can also try learning z80 from within Boriel's ZX ... an emulator. It lets me test code about 2 seconds after ... -
Help with broken SpectrumHi There, Just received a ZX Spectrum computer. It's an issue 3B (48k version). When I power it up (9V centre pin -V) nothing happens. It's complete…
... you have no way to test individual parts, or measuring equipment ... ' voltage on ULA pin 32, Z80 pin 6 and video encoder ... -
zx spectrum +2 troubleshootingHi There I am new here and I need some advise as to where to look for issues on my zx spectrum +2 it was working fine this morning .. then while pl…
... ?
There's a test you can perform, if you ... the sole use of the Z80.
Which is important ... -
Broken +3I have noticed that some members on this forum prefer to repair Spectrums instead of just buying another one from ebay. I would like mine fixed at so…
... the modulator. put the Z80 again in its socket, ... on screen. Now the test: remove the wire from ... your Z80 surely works.
If not, the test is ... or not, try this second test:
Remove ... IC6 and repeat the last test. If after removing the ... -
Broken +3I have noticed that some members on this forum prefer to repair Spectrums instead of just buying another one from ebay. I would like mine fixed at so…
... and even BASIC programs to test the printer?
test your Z80: find another working ... a socketed Z80 and put your Z80 under test in ... that Spectrum. If it boots, you know your Z80 ... put the known-working Z80 in your damaged ... -
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... Sort with this sort of test data. Your final change to ... you have exactly the same test data in the same order ... may be faster for the Z80 and this interpreter. If anyone ... -
Opinion on new 128K only gamesHello, Being new to the WOS community, I am unclear on the attitude towards 128K only software, that is; Is there a strong need to support the 48K m…
... . Is there a way to test if a 48k model has ... 't toggle between AY and Z80 tunes, but then I'm ... -
Opinion on new 128K only gamesHello, Being new to the WOS community, I am unclear on the attitude towards 128K only software, that is; Is there a strong need to support the 48K m…
... prefer to use PDS/2 Z80 assembler as I am very ... cart everytime I wanted to test on the real machine....
Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... /> I might mess with the test on a couple other machines ... /> The VZ also has a Z80 running at a similar speed ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... in favour of the BT test adaptor. The next job is ... to develop the the Z80 code that will clock in ... I shall start simple and test the RS232 and AUX ports ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... passed since I last coded Z80 for the Speccy. O.C ... -DOS 6.20
P2 Z80 v2.71 text editor
QL RS232 serial adaptor
Test serial cable
Spectrum +2A ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... posted the following copyright free test code for anyone to use ... />
Here is the Z80 128K +3 test code for the RS232 ... /> Here is the x86 DOS test code (COM1 only) for the ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... 've improved the Z80 code since my initial test, I can now ... />
Here is the Z80 128K +3 test code for the RS232 ... /> Here is the x86 DOS test code (COM1 only) for the ... />
Please note that the Z80 code is written to keep ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... be pressed (useful just to test with a screen) and starts ... 256 bytes and a small Z80 stub to copy them to ... had to hand assemble the Z80 stub so I could include ...The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... I tried it with my Z80 serial code and found no ... use my freshly developed beta test serial downloader to transfer data ... , I can start developing Spectrum Z80 efficiently and that will include ... it seems to be generic Z80, no version number for the ...The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... /> Line 50 in C:\SPECTRUM\TEST - SEND ROM2,#0E
Extra ... as they each contained a Z80 or compatible CPU.
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... reasons it contained a Zilog Z80.
I ... the poor old Zilog Z80 found in our beloved ... />
[code]
Z80: ld hl,16384 ; Load with ... MEGA DRIVE "
DC.B " TEST "
DC.B " "
...The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... of a lot easier than Z80 but it doesn't hurt ... have posted the initial MAIN.Z80 template I have created to ... .
;;; send romfile,test.rom,64 ; 64K fixed ROM ...
send romfile,test.rom,# ; Actual ROM used
Do ULAs die?Thought I'd start this thread as people often think their ULA is dead, when it's actually the RAM or power circuits. Searching the forum in the futur…
... half a second... Removing the Z80 just causes the machine to ... the +3 failing its self test. The exact colour tells you ...Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... last 256 BYTES of the Z80 memory map. It is impossible ... it:
zx232 /p TEST.ROM 32768
This ... will upload the entire Z80 memory map:
zx232 ... />
Here is the Z80 to receive data from the ...Rotating Register PairsWhat's the best way to rotate left (or right) a register pair, so that (eg.) FE76 becomes E76F (or 6FE7)? I presume that passing the intermediate bit…
... /> ; ------------------------------------------------------------------------
; 3 BYTE test array - room to store two ... endian to that of the Z80. It does make it easy ...Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …
... who wants to learn Z80 assembly language beyond basic ... useful section that lists the Z80 machine code numbers (opcodes). ... needed to make, run and test your assembly language programs. ... IDIOT' explanation:
The Z80 in the Spectrum motors away ...
