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Obfuscated code ideaThe instructions [b]SUB A[/b] and [b]XOR A[/b] both have the effect of setting the accumulator to zero. The only difference between them is that [b]…
... that correct?)[/quote]
The parity there is even. I'd ... -
Do a load "file" with ASMFollowing the idea to build a menu with asm, now i need to know how to do a load "file". I can use the Rom routine but i am not sure if the rom rout…
... ; the final byte is a parity check.
For the ... -
Pictures of your development setupJust thought it would a good idea to have a thread to show pictures of your Spectrum development room or office. Here are some snaps of my setup... …
Tesco value sponge and two minutes of elbow grease :D
I post pictures of all that gear and the mug becomes the issue of the day... tut tut... Nerd gives up and carries on with his BINARY to WAV converter, it's almost parity time. -
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... on the Spectrum but the parity check was failing. I used ... -
Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... /> Fixed the code as the parity was working fine (knew it ...
22 10111100b : 188 (PARITY BYTE)
22
11 ... -
The Ashes!Anyone braving a late night to watch the cricket? And, is it me or are some cricketers trying to be real men with mustaches? I'm sure I saw KP sport…
if we get hussey early we could be in business. their left armers are cutting up the track already for swanny, but we need first innings parity or close to. -
Z88DK tapfile creation questionHere's another question. The game I've just started working on (Sid Spanners 3), I'm concatenating the following tap files together, to make a big ta…
...
unsigned char parity;
void writebyte(unsigned ... -
SAVEing without waiting for keypresshello, here's question for y'all. is there a way in BASIC to bypass the "Start tape, then press any key" prompt when SAVEing an array? sorry if it'…
... , and there would be a parity byte at the end. LD ... -
Sabre Wulf - don't you just hate itThere's lots of Speccy opinions that divide us, but one thing I seem to stand alone in is my dislike for Sabre Wulf. I'm not joking now, I don't like…
... the flags register is tested (parity/overflow bit is erroneously tested ... -
Sabre Wulf - don't you just hate itThere's lots of Speccy opinions that divide us, but one thing I seem to stand alone in is my dislike for Sabre Wulf. I'm not joking now, I don't like…
... the flags register is tested (parity/overflow bit is erroneously tested ... -
Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…
... /> options.c_cflag &= ~PARENB; /* No parity */
options.c_cflag &= ~CSTOPB ... -
Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…
... /> options.c_cflag &= ~PARENB; /* No parity */
options.c_cflag &= ~CSTOPB ... -
Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…
The state of things to come?Whilst I think it's great that our fave games are appearing on the iPad/iPhone/iToilet etc, I do think it is sad that games are now being taken from…
... which is generally offers feature-parity with the current version of ...Development choices, help!As a small part-time project I would like to convert my daily programming work (a workflow/bpel engine) to the Spectrum, purely for fun. I would like…
... (things like count leading zeroes, parity, etc).
Regarding stdio ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... flag is treated as a parity flag during NEG instruction, according ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... flag is treated as a parity flag during NEG instruction, according ...Need help transferring a file to a Spectrum .dsk fileHello, I was wondering if anyone can help me transfer a file that I have into a spectrum *.dsk file? The background to this request is that I have r…
... I used to calculate the parity bytes for the header & ...Need help transferring a file to a Spectrum .dsk fileHello, I was wondering if anyone can help me transfer a file that I have into a spectrum *.dsk file? The background to this request is that I have r…
... = 24576
hp = header block parity byte
dd = data flag ... /> data block & data block parity byte follow (not shown)
parity byte. For the purposes of ... for flag byte but excluding parity byte.
In hex editor ...Need help transferring a file to a Spectrum .dsk fileHello, I was wondering if anyone can help me transfer a file that I have into a spectrum *.dsk file? The background to this request is that I have r…
... = 24576
hp = header block parity byte
dd = data flag ... /> data block & data block parity byte follow (not shown)
parity byte. For the purposes of ... for flag byte but excluding parity byte.
In hex editor ...Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
Tile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
Lord Of The Rings; Files skipped ?Hi folks, Does anyone know what blocks 8~13 are for in the Lord of The Rings: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006601[/url] I…
Nope, I think it's called Parity. A header will show as 19 bytes but the actual data is 17 bytes. Same as a screen block which would be 6914, but the actual size is 6912.
I'm sure someone will pop in and tell us the technical term for it ;-).Wireless Joystick for SpectrumHi guys, I prepared a room just for game playing with projector (we call it BEAMER) and several of my computers and consoles. While on the newer mac…
... />
EDIT: Perhaps add a parity bit to the scheme to ...Wireless Joystick for SpectrumHi guys, I prepared a room just for game playing with projector (we call it BEAMER) and several of my computers and consoles. While on the newer mac…
... />
EDIT: Perhaps add a parity bit to the scheme to ...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 had was for the parity flag. most other things i ...St Dragon (Kixx & MAX Compilation)Hi folks, This title has been doing my nut in for years, and I wondered if anyone knew how to make a working TZX. [url]http://dl.dropbox.com/u/15363…
... removed the flag and checksum/parity from the original loader (the ...NaveI found a game called "NAVE" by Lusitania Software Authors: Laurindo Sobrinho, Lucio Quintal, Tony Sobrinho Release date is 1990-91 The message langu…
Well, that could be a perfect TZX of an imperfect game, no? ;)
Anyway, it sits looking to load 1 byte (with flag and parity, that's 3 bytes) with the level number, but I can't seem to be able to fool it into going any further.DK Tronics Compilation Tapes....MIA ??I have two tapes (no inlays) of compilaitons of DK Tronics games. One is from DK Tronics themselves, has a white label with black text, and contains…
... one byte less than expected. Parity fails but is not tested ...What's best for backing up home data?What's best for backing up home data? I'm not talking about anything too important (if I even had anything like that I'd use multiple DVDs, with some…
... 're not all the same) parity drive).
If you have ...
