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Problem with assembled divIDE kits.Hello, I bought two divIDE kits from [url]www.divide.cz[/url] It took 7 weeks for them to arrive. I assembled the two kits, but unfortunately neith…
... is (from memory, the /ROMCS line is different, which will scupper ... to page in its own ROM). -
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…
... Atom but with an additional ROM with new features.
Atom ... machines? Not having to use line numbers is a biggie if ... let you write BASIC without line numbers and they translate your ... it wasn't standard in ROM.
I think the ... -
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…
... in it without using line numbers, and thus it ... than just a lack of line numbers?
... Atom but with an additional ROM with new features.
... you write BASIC without line numbers and they translate ... it wasn't standard in ROM.
I ... -
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…
... assembler routine rather than the rom routine that handles 'GOTO' or ... monochrome text for the story line, and then switch to a ... , having the assembler instructions in-line makes it all look rather ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... . I mean, it executes the ROM code just fine without any ... go? How is the IRQ line connected to the CPU? Is ... -
Got my mac mini and I'm in loveI have had it for about 2 days now and it is the 2nd best piece of computer equipment i have had, it is quieter then my dvd HD recorder i have been s…
... Art Of Electronics" note that line powered switch mode power supplies ... was directed to the CD-ROM bay! This is just a ... -
plotting and rotating wireframesCan anyone point me to an example of plotting a (2d) shape and rotating it in basic. Unfortunately my trig was never that good and I want to get a h…
The rom drawing functions used by basic ... with their own clipping, line drawing, hidden line removal and filled/halftoned ... polygon drawing routines. Even the rom trig ... -
Wtf??I won this NZ auction earlier this week [url]http://www.trademe.co.nz/Browse/Listing.aspx?id=116509561[/url] and have been to collect the hardware th…
... , I split the 512K Flash ROM on ALIAC2 into 32 16K ... 32K chip (static RAM, EPROM, ROM, flash - whatever, it doesn't ... your page select logic to line A14. Make A14 high when ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... in the standard ZX Spectrum ROM.[/QUOTE]
It ... different representation in the standard ROM, stored as this sequence of ... the current ROM.
Now if you edit this line (without ... zero, because just editing the line will force .1 to be ... -
Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…
... ). I managed to extract the ROM (after finding out how it ... BASIC statement on the command line:
[code]PRINT IN ... in that will dump the ROM to tape.
How ... successfully extracting my Currah MicroSource ROM here:
[url]http ... -
Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…
... ). I managed to extract the ROM (after finding out how it ... noticed that when extracting the ROM... but what about POKE? Just ... 2" and "searching outside the ROM" nonsense. For some reason, I ... .
So the first line of those programs should have ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... using SPIN with the standard ROM for the last few program ... moment, I will add a line of code to print relevant ... -
Recent Returnee to the spectrum fold needs hardware adviceHi all. Thanks for taking the time to read this. This is my first post to this forum after I stumbled on this site just a few weeks ago, i only reg…
... sized chips in dual in line packages so you can easily ... you able to burn spectrum ROM's? I probably don't ... -
A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…
... Interface 1 pages its rom in when it traps ... that various different bits of ROM-equipped hardware trap?
... another device's shadow ROM to work with an ... hardware with a shadow ROM use that system variable ... of handling the ROMCS line so that two peripherals ... -
A vexatious questionThis is kind of a follow-up to a question about RST #8 and hardware that I wrote in the development forum a while ago. To summarize that: certain ha…
... if I control the A15 line to the through connector, ... ROM, so there will be a brief glitch on the A15 line ... I can stop its ROM from being paged in, ... is set, whammo, its ROM gets paged in, possibly ... However, this makes the ROM programming on my hardware very ... -
Look what I got!Look what I just got in the post: [url]http://www.alioth.net/tmp/W5100.jpg[/url] But, please... don't hold your breath :-) Coming to an edge connec…
... . Then have 128K flash ROM and 512K of SRAM. ... mode uses 15bit address line and 8bit data line, /CS, /RD, ... mode uses 2bit address line and 8bit data line, /CS, /RD ... But with 128K of flash ROM, one could make a ... build them into the ROM, so the complexity would ... -
Look what I got!Look what I just got in the post: [url]http://www.alioth.net/tmp/W5100.jpg[/url] But, please... don't hold your breath :-) Coming to an edge connec…
... head include: make a formal ROM registration/paging system for the ... on the ethernet board's ROM (and keeps A15 high all ... only one more chip select line (I know I can already ... , and a 2-to-4 line decoder provides 4 chip select ... -
Look what I got!Look what I just got in the post: [url]http://www.alioth.net/tmp/W5100.jpg[/url] But, please... don't hold your breath :-) Coming to an edge connec…
... include: make a formal ROM registration/paging system for the ... on the ethernet board's ROM (and keeps A15 high ... only one more chip select line (I know I can ... and a 2-to-4 line decoder provides 4 chip select ... be able to get end line pricing on this order ( ... -
Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…
... interface does decode the /M1 line from the Z80.[/QUOTE]
ROM, but as it's only ... an 8K ROM, I can't be sure ... -
Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... standard speccy. Tries to call ROM routines at $3c00 and $3c03 ... . In the standard speccy 48K ROM these are the "spare" locations ... knows of a speccy related ROM that has a callable routine ... that the TR-DOS (aka Betadisk) system has traps at 3D00h ... -
Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…
... been used when dumping the ROM, but as it's only ... an 8K ROM, I can't be sure ... doesn't monitor the M1 line). I extracted it by calling ... -
Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?
... and seeing whether the IORQ line is wired, or the M1 ... line is wired or both. If ... to guarantee that the IF1 ROM wasn't already paged in ... -
Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?
... and seeing whether the IORQ line is wired, or the M1 ... of standby state. The Microdriver ROM is actually paged out when ... address space, though. There's ROM from $0000-$0FFF, RAM from ... $2000-$27FF, and probably ROM from $3000-$3FFF, but I ... -
Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?
... method of paging in the ROM. You've got two ... ) plus the M1 and MREQ line. M1 active + MREQ active + ... main RAM, since only one ROM can be paged into the ... the IF1 and calls IF1 ROM code, then on return pages ... stripes if you remove the ROM from a Speccy and power ... -
Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?
... needs to call the Spectrum ROM, though, to call the ... to the IF1 shadow ROM or the Spectrum ROM).
... if you remove the ROM from a Speccy and ... 0x00, with the /ROMCS line affected in the same way ... around $0000 in the Mirage ROM — and if there's ... -
The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... Kempston that decode the RD line, and thus won't ... unused space in the Spectrum ROM starts. The CPLD will ... and page in socket library ROM page and RAM workspace. ... traps (i.e. lower ROM traps) disabled with the jumper ... flash memory for the ROM with 4K sectors, so ... -
Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…
... -channel fet on the ROMCS line it should at the very ... Spectrum to crash (if the ROM itself doesn't get paged ... to invert one of the ROM paging outputs (when selected by ... -
Floppy Drive on +DHello, I have unfortunately no old drive left, but want run my +D. Problem is that newer drives has no switch anymore for choosing between drive 1 an…
... . If your interface requires RDY line (+D doesn't as i ... .
In Betadisk a similar solution is used - RDY line is looped ... back from HLD line. Not really good ... solution (in fact all Betadisk design ... -
Cross Platform DevelopmentWhat's the best way to develop cross platform apps? By best, the only limiting criteria would be "at no cost" :)
... point math routines (ROM or independent), graphics routines (line, circle, etc), sprite ...
