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What did Spectrum BASIC lack (and was BBC BASIC so good?)Over the years, I've read in various multi-format magazines, that BBC BASIC was probably the best BASIC available on an 8-bit machine. I've never use…
... have to declare them using special variable names to indicate them ... and procedures.
2.- Bitwise operations. -
Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…
... doesn't have a special case for computing x ... Basic versions detect this special case either as it ... 's ability to handle common operations.
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< ... thousands of floating point operations inside the loop. ... an integer is a special case), whether fp ... -
Excel - Deducting percentage - where am I going wrong?Howdy, The help isn't much use, so I'm asking more knowledgable people. I'm also asking here ;) This is for a spreadsheet assignment on the IT side o…
... just a businessman doing simple +/- operations you have to stick to ... the result of using a special feature might be. Eg, if ... -
Whacky job titlesOver time my job title has changed from: Senior Broadcast Engineer to Senior Platform Support Engineer and today from looking at the new structure I…
... 'special' title
example
Production Manager
Operations Manger ... -
Why did the QL fail?Browsing some old magazines: an advert appeared for the QL, 128k of ram and 32 bit processor etc...also very cheap compared to other similar spec com…
... are pairs. There is no special opcodes for IX and IY ... prefixes for H/L/HL operations. You can use any of ... those operations to work with IXL/IXH ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... it relies on 16-bit operations to implement its 32-bit ... speed up 16-bit operations by looking for special case 8-bit ... 16 bit and 32 bit operations.
Right now, z88dk ... -
DivIDE Real Tape?Am I going mental? I can't get my speecy to load from tape with divIDE installed. So my question is.. How do you load from a real tape when your div…
... in browser is all tape operations redirect to TAP emulation. After ... .txt" file. This version use special feature - SYMBOL SHIFT+T = eject ... -
Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…
... and restore it after tape operations. Thank you.
[QUOTE ... /> [lots of code for a special loader][/QUOTE]
Thanks ... -
binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…
... />
Have you seen the special placement syntax for declared variables ... work around it. (For graphical operations (read: games) it's definitely ... -
Problems Flashing DivIDE with FatWare.Hi. I've recently purchased a DivIDE and it appears to be working fine, however the firmware on it is 0.12a and I am having trouble flashing it to a…
... with RS232 support ( ZX tape operations < > RS232 on PC ... />
EEPROM chip can use special write protection. This feature can ... reflash eeprom must be used special utility for deactive protection:
Quick DivIDE question regarding files on CFBasically is it ok to store files in folders on the CF card? I have an old collection of games from a shop bought cd way back in 1995. Everything is …
... disc or special partition). Full support of load/save operations. Compatibility with ... images(2MB/one image) on special partition on IDE disc. LOAD ... and full compatibility with TAPe operations.
- ESXDOS = FAT16/32 system ...Better or Worst! Speccy vs C64Just wanted to see what games you all thought looked better or played better on the Speccy or the C64? I always thought that Renegade & Target Ren…
... cycles required to do simple operations they're around that factor ... how BBC BASIC creates it special A% to Z% variables?
Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... in Spectrum aren't any special class of objects. They aren ... . It consist of very simple operations like copy one byte from ...Where to start?..Hello, First off, sorry if this is in the wrong and sorry if the questions I'm about to ask have been asked and answered numerous time! Little back…
... in Spectrum aren't any special class of objects. They aren ... . It consist of very simple operations like copy one byte from ...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…
... be wrong in a very special case. Let's look at ... ;=16384)" added? What about stack operations if part of a stack ...MEMPTR: Is it worth emulating?Some advice if you will :) The only info I have on MEMPTR is this document here: [url]http://zx.pk.ru/showpost.php?p=43800[/url] I notice SpecEmu h…
... , as opposed to previously being "special case" operations.
D.Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... , in respect of microdrive storage operations, and (...)."
(From [url]http ... specified piece of (...) software without special adaptation or modification." It specificly ... was the 'without special modification' part that brought the ...Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
... almost exactly the typical ALU operations cpus provide.
... of a particular cpu's special features, a smart compiler ... that perform tasks using these special instructions.
In ... provides an opportunity for special instructions to be used ...Interface 1bis RAM Drive modificationAll Interface 1bis users I hope I am not interfering with Dan, but I saw on his site that he has a RAM Drive upgrade/modification for the Interface …
... its limited endurance to write operations.
It was planned ... $#.
For file-oriented operations a more general approach was ... possible due to the very special architecture of the 'Interface 1bis ...ZX-Paintbrush 2.6 publishedDear readers, today I released a new version 2.6 of ZX-Paintbrush. Before I will go into the details of all changes I made, first let me say thanks …
... about 70% of ZX graphics operations, it's really nice.[/QUOTE ... your other post about that special raster drawing, could you tell ...Developing in CI am beginning a small project for the ZX Spectrum. I intend to write the thing in C, doing the entire development on PC and then transferring someho…
... to the I/O? The operations equivalent to assembly language IN ... calls the i/o space "special function registers (sfr)" and has ... special syntax to declare their associate ...Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
... also perform arithmetic and logic operations directly using indexed memory locations ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... + R) refresh address, match our special address ?
Random page selection ... appropriate value, except during paging operations? Or am I missing something ...ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... + R) refresh address, match our special address ?
Random page selection ... appropriate value, except during paging operations? Or am I missing something ... typically looping) will match the special address,
To trigger ...Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…
... zilog manual). Take note of special architectural features (block copy, ... "A" to do logical operations, there is a small ... instructions involving A, slower logical operations than A
"IX ... (not 16-bit) perform logical operations with.
* ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... be collected together in a special binder . Pages 20 and 21 ... it for day to day operations . This was achieved by the ...What should your speccy have come with ?:) I was thinking about this earlier. What changes should of been made to the Speccy when you purchased yours ? Realistically this topic really…
... for the spectrum with most operations including allowing multicolour screen modes ... and business Spectrum models in special package deals.
The ...z80 Helper?When you are programming with z80 do you get 'lost' you are in the middle of making a routine and you can't remember which registers are holding val…
Stack operations are, naturally, slower than direct ... for. If you compare stack operations with writing/reading data to ... is currently in use, paying special attention to the flag register ...ZEsarUX beta 5.1Hi I have just uploaded today a new beta version of ZEsarUX. Binaries are for Linux, Mac, Windows and Raspberry (raspbian) You may download i…
... seem to require Emulation of special divIDE-Operations which are not emulated ...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…
... good enough or offer some special feature that makes life easier ... ,AF' (simple names for simple operations).
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It ...
