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BRAND NEW VTX 5000 MODEMSI have for disposal a number of BRAND NEW BOXED PRISM VTX 5000 Modems If tou would like to add one or more VTX 5000 modems to your Sinclair ZX Colle…
... transmission: 8 bit data (even parity)
Data rate: 1200 Baud ... -
Directly poking TAP and TZX files, is it possible?Whilst doing some POKEs to change the behaviour of one of my favourite games, I pondered on this: instead of doing MERGE "" and inserting POKEs befor…
... with TAP files. The trailing parity byte needs to be recalculated ... then the header and its parity byte also need to be ... -
Directly poking TAP and TZX files, is it possible?Whilst doing some POKEs to change the behaviour of one of my favourite games, I pondered on this: instead of doing MERGE "" and inserting POKEs befor…
If you will only modify(poke) code without change length of data blocks, then you can use HEX editor (I use NOTEPAD++) and fix parity bytes via DOS utility TSTTAP.EXE by Busysoft:
[url]http://busy.speccy.cz/download/taput104.rar[/url] -
Directly poking TAP and TZX files, is it possible?Whilst doing some POKEs to change the behaviour of one of my favourite games, I pondered on this: instead of doing MERGE "" and inserting POKEs befor…
Or use ZX-Blockeditor + ZX-Editor, great tools from Klaus Jahn, and you don't care about parity bytes at all :).
[url]http://www.zxmodules.de/[/url] -
Directly poking TAP and TZX files, is it possible?Whilst doing some POKEs to change the behaviour of one of my favourite games, I pondered on this: instead of doing MERGE "" and inserting POKEs befor…
... type of thing. It recreates parity when u change bytes in ... -
Mouse systems for ZX Spectrum[U][B]Mouse systems for ZX Spectrum[/B][/U] Okay, I have been reading the [URL="http://www.worldofspectrum.org/forums/showthread.php?p=688449#post68…
... , 1 stop bit, and no parity. You would need to open ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... /pe,lp ; 10T Yup, the parity bit is the EAR bit ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... /pe,lp ; 10T Yup, the parity bit is the EAR bit ... me to (ab)use the parity flag in that way; though ... it) and thus alter the parity? Is there a way of ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... be checked
P flag - parity of all bits of port ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... [/b] wondered about using the parity of the byte read from ... can't rely on the parity of the read byte.
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... I was contemplating using the parity as per your idea, but ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... trying that trick with the parity which would mean devoting BC ...Interface 1bisHas anyone on here got a "Interface 1bis": [URL="https://sites.google.com/site/interface1bis/"]https://sites.google.com/site/interface1bis/[/URL] I …
... bytes
CALL HX_BYT; Get parity byte
INC HL; Skip ...What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…
... LD H,+00 Initialise the 'parity matching'
byte to ... LD A,H Fetch the 'parity matching'
byte.
...What would be the simplest tape loading routine?I'm searching for some small assembly snippet I can use to load a (headerless or not) block from tape into RAM I can embed in my C games to load furt…
... constant
ld h, 0 ; parity byte to zero
ld ... ; new byte
xor h ; parity byte
ld h, a ... not
ld a, h ; parity byte
cp 1 ; set ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... ld a, l ; get current parity
xor h ; include ... /> ld h, a ; restore parity
scf ; byte marker< ... /> ld l, h ; final parity value
jr sa_loop_p ; ... jp nz, sa_loop ; to include parity byte
ld b, ...SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... ; send header with type and parity byte
ld b, 50 ...mirroring bitsIf I have a string of 1408 bytes, each of which has one bit 'b' set, what's the shortest way of mirroring that string, so that each bit set at positi…
... aside, the jump condition is 'parity even'.mirroring bitsIf I have a string of 1408 bytes, each of which has one bit 'b' set, what's the shortest way of mirroring that string, so that each bit set at positi…
... aside, the jump condition is 'parity even'.[/QUOTE]
I ...writing incrementally to tape without leadersI want to be able to write intermittently & incrementally to some sequential medium which is supported on any Spectrum (emulator, ie. tape); eg. [cod…
... TAP file, plus type & parity bytes, for every line written ...FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…
... link (baud rate, stop bits, parity, etc.) although I'm not ...FUSE serial communication sample anyone?Hi, in [URL="http://manpages.ubuntu.com/manpages/precise/man1/fuse.1.html"]FUSE man pages[/URL] one finds switches for serial comms. By using --inte…
... link (baud rate, stop bits, parity, etc.) although I'm not ...Need help recovering a program.I found an old tape of mine with a program I wrote when I was small. But, I can't seem to get it to convert and was hoping someone on here can help.…
... loads in full but the parity check fails, and the final ...Batman Caped Crusader - Crash mini-episode not workingThe TZX file of the Batman Caped Crusader mini-episode given with Crash issue 60 ([URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0013514"]her…
... file also has a wrong parity byte (59 instead of 47 ...ROM tape trap emulator testA very simple set of [URL="http://homepage.ntlworld.com/e.tinney/tapetest.tap"]tests[/URL] comparing IX/DE/AF return values for various incorrect blo…
These should be the tested errors:
Block 1: no error
Block 2: DE > file's block lenght
Block 3: Parity error
Block 4: Flag byte error
Block 5: DE=0, parity error
Bllock 6: file's block lenght = 1ROM tape trap emulator testA very simple set of [URL="http://homepage.ntlworld.com/e.tinney/tapetest.tap"]tests[/URL] comparing IX/DE/AF return values for various incorrect blo…
To be more precise:
Block 1: no error
Block 2: DE > file's block lenght
Block 3: DE < file's block lenght, Parity error
Block 4: Flag byte error
Block 5: DE=0, parity error
Bllock 6: file's block lenght = 1Sound interference and game errorsHi everyone! Here's some "issues" I have spotted. I'm still pretty new to ZX Spectrum computing/gaming...Just so you know. :) I'm using a Commodore…
... load error
The tape parity byte is not an infallible ...
