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hash function permutation tableI'm using a simple Pearson hash function to generate keys for a $(103,6) array using a 256-byte permutation table. How do I arrange the entries in th…
... using a 256-byte permutation table. How do I arrange the ... entries in the permutation table to avoid any collisions? As ... all the data table entries are known in advance ... -
Sinclair / z80 books (Zaks & Dale)As part of a continuing clear-out, I'm selling the following books, and will accept offers: The Sinclair Story - Rodney Dale (1st edition hardback, …
... condition)
Programming the Z80 - Rodnay Zaks (softback in well ... -
How to load a +3 dos file from disk to memory in z80Hi all again, Are there any example z80 code listings (not BASIC) to load a +3 binary dos file from disk to a specific memory destination? Thanks.
Hi all again,
Are there any example z80 code listings (not BASIC) to load a +3 binary dos file from disk to a specific memory destination?
Thanks. -
Clear command in z80Hi, How would I replicate what the basic clear command does in z80? Do I need to change the stack pointer as well as setting ramtop (23730)? If I se…
... basic clear command does in z80? Do I need to change ... -
"Z80 chip MUSIC SITE" updatedZ80 chip MUSIC SITE [url]http://z80.i-demo.pl/[/url] has been updated with following 1-bit chiptunes, recorded from real Sinclair hardware: [url]htt…
... [/url]
[url]http://z80.i-demo.pl/Raphael_Goulart-Dancing_frantically_for_about_26_secs ... [/url]
[url]http://z80.i-demo.pl/Mister_Beep-Stellar_Cruiser_Assault ... [/url]
[url]http://z80.i-demo.pl/MovieMovies1-It_keeps_on_beeping_something_Russian ... -
Z80 Asm EditorHi, I think this goes in here but if not then the mods can move it.... :) I have been knocking up a multi-tabbed, customizable docking editor for w…
... docking editor for writing Z80 assembler.
It will ... dropboxusercontent.com/u/77288/Z80%20Asm%20Editor/app_small.png ... dropboxusercontent.com/u/77288/Z80%20Asm%20Editor/app_large.png ... .dropboxusercontent.com/u/77288/Z80%20Asm%20Editor/app_settings.png ... -
Convert .Z80 to .jarIs it possible to convert a Z80 snapshot to a stand alone Java app that can be used on a mobile? Most of the Spectrum games in the archive have link…
Is it possible to convert a Z80 snapshot to a stand alone Java app that can be used on a mobile?
Most of the Spectrum games in the archive have links to Java apps that can be played online.
Or will I have to use an emulator? -
Need help: pasmo z80 x-compiler macrosIs anyone here an expert on macros for the Pasmo Z80 cross assembler? I need to know how to write a macro to assemble "DW link", then redefine link t…
... on macros for the Pasmo Z80 cross assembler? I need to ... -
Multiply by 48Is there a 'cheat' to multiply by 48 in Z80? I have a table of sprites 48 bytes each entry, and I want to be able to offset my pointer with a simpl…
... by 48 in Z80?
I have a table of sprites ... -
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…
Last week I received some .Z80 snapshot files from a DivMMC ... [/URL] containing four of these .Z80 files.
[U ... from the shelves and the .Z80 files didn't work.
Z80 CPU was a cause of ... -
Best or most unusual high score tableReading the recent post about jet pac and the initials in the high score table got me wondering about the best or most unusual effect used to display…
... initials in the high score table got me wondering about the ... -
Repton ManiaHi all, I am the creator, and look after, the Repton Resource Page ([url]www.reptonresourcepage.co.uk[/url]). For the site, I have written a freely …
... other Spectrum formats (e.g. Z80).
For the ... snapshot file (e.g. z80). Remember that 0x4000-0x57FF and ... /> 0x0A6F2 unknown
0x0A7B6 Lookup table into the screen memory
Z80 format
offset Description ... -
llvm-z80 statusFew months ago I read about efforts to produce llvm back-end for the Z80 (even perhaps as part of new z88dk). Any update on that? I found [URL="htt…
... llvm back-end for the Z80 (even perhaps as part of ... ="https://github.com/earl1k/llvm-z80"]this but I have no ... -
Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …
... gone down this route in Z80 or can anyone provide some ... -
z80 reverse engineeringI came across Ken Shirriff's blog today where he is reverse engineering the Z80 from images of a Z80 die. I guess this may be of interest to those of…
... reverse engineering the Z80 from images of a Z80 die. I guess ... -
SpritesYes yes, I know this has been hashed over plenty of times before, but... I have knocked up a quick tiling routine which works with my back buffer co…
... head, I can have a table of rotated values for each ... at a time). Also a table to reverse a byte depending ... get me back into coding Z80 before continuing to tackle the ... -
FuzixOS - New Z80 OS[url]https://plus.google.com/+AlanCoxLinux/posts/a2jAP7Pz1gj[/url] Alan Cox releases a new Unixoid OS for Z80 machines... Coming to Spectrum soon, I …
[url]https://plus.google.com/+AlanCoxLinux/posts/a2jAP7Pz1gj[/url]
Alan Cox releases a new Unixoid OS for Z80 machines... Coming to Spectrum soon, I hope? -
Blockly for Z80As a first step on a project of mine, I'm trying to adapt [url=https://developers.google.com/blockly/]Google's Blockly[/url] to generate Z80 assembly…
... 's Blockly[/url] to generate Z80 assembly code.
[url ... ://www.haroldo-ok.com/blockly-z80/blockly-z80/index.html]I already ... ://github.com/haroldo-ok/blockly-z80]GitHub[/url].
Of ... to generate code for other Z80 machines... ;) -
Z80 Special ResetThe Z80 CPU has two types of reset, normal and special. The latter is little-known and for more information please see [url]http://www.primrosebank.n…
The Z80 CPU has two types of ... ]http://www.primrosebank.net/computers/z80/z80_special_reset.htm[/url]
Return to basic from sna created by Z80 compilerHow can I go back to basic when running sna created using Z80 Assembler ([url] http://www.worldofspectrum.org/utilities.html#crossass [/url])? For e…
... when running sna created using Z80 Assembler ([url] http://www.worldofspectrum ...Feature comparison chart for Spectrum emulators? (And general EMU suggestion)Is there a chart or table which summarizes the main features of known Spectrum emulators? I think this would be very useful to have. In my case I am…
Is there a chart or table which summarizes the main features ... and 128k
- TZX and z80 file formats supported
- fullscreen ...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 ...Falling Blocks - new game from z80 assembly beginner<p>I started learning z80 assembly earlier this year, mostly from reading Jonathan Cauldwell's "How to write ZX Spectrum Games" and from reading arti…
I started learning z80 assembly earlier this year, mostly ...Ziloghino - Arduino like Z80 systemHi, I found this board on Kickstarter, the Ziloghuino. It's an Arduino like Z80 system extensible with hardware shields. With some effort maybe s…
... . It's an Arduino like Z80 system extensible with hardware shields ...DEFFNder: a small library of BASIC functions written in Z80I've published a small library of 15 Sinclair BASIC functions written in Z80. I wrote it last year for a project of mine. Some of them are generic, s…
... Sinclair BASIC functions written in Z80. I wrote it last year ...Mirror tableCan anyone help with a byte mirror table? e.g. so you can look up a byte of a left-facing sprite and return the correct right-facing value. There …
... help with a byte mirror table? e.g. so you can ... its mirrored value from the table using the H/L register ... 's got a byte mirror table to hand, please point me ...External Z80 CPUHi Looking for some advice if possible. Many years ago I had a plug-in board for a Spectrum 48k which had a couple of switches, a z80 CPU, and a S…
... a couple of switches, a z80 CPU, and a Spectrum ROM ... can't recall how the Z80 was switched. The ROM seems ...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…
... started reading numerous books around z80 assembly. It's slow going ... in the dark arts of z80 assembly!Concert txt files to Z80 or TAP filesHi everyone :) Can you suggest me a software to convert txt files to Z80 or TAP? (OS Windows 7 64 bit) Thanks
Hi everyone :)
Can you suggest me a software to convert txt files to Z80 or TAP? (OS Windows 7 64 bit)
Thanks
