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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…
... in this case the usable ROM is more reduced. With this ... that do not use the Spectrum ROM.
Maybe you could ... : I'm assuming that Menu ROM is always included.
This ... -
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…
... that do not use the Spectrum ROM.
[/quote]
It ... I load 3 banks from ROM into RAM then I switch ... bank with the same 48K ROM. Of course we miss one ... ROM because we only access 32 ... -
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…
... that do not use the Spectrum ROM.
[/quote]
It ... I load 3 banks from ROM into RAM then I switch ... bank with the same 48K ROM. ...[/quote]
Nice work ... -
Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
... see this is very ZX Spectrum ROM oriented, which is fine for ... .
For a Spectrum, and for performance reasons in ... what the original ROM provides.
Since Spectrum is such a ... basically it for a 48K Spectrum.
For 128K ... -
Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
... see this is very ZX Spectrum ROM oriented, which is fine for ... />
It starts with the ROM as it's a good ... -
Character Based SpritesHi, I'm working through Jonathan's excellent guide to writing games, and have mastered the animation of single UDGs. Before or move onto Pixel…
... see this is very ZX Spectrum ROM oriented, which is fine for ... />
It starts with the ROM as it's a good ... don't know most of ROM functions, so it's a ... -
A Spectrum emulator for the C64Recently I found this, a emulator that runs ZX Spectrum BASIC on a Commodore 64. It was made in 1985. I remember reading about it in a magazine. Curi…
... a case of loading the ROM into memory and fixing absolute ... you stored the modified spectrum ROM in the Lower ROM bank, the Amstrad ... to sit under the Lower ROM (since writes will pass through ... -
ZX Dandanator! Mini - Cartridge system for SpectrumsHi All, I'd like to present a little HW I've developed during the last three months. It's aimed at providing a console-like usage experience for a…
... certainly doesn't need the Spectrum ROM paged back in, so it ... -
The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... paged out (so allowing the Spectrum ROM to be accessed) and the ... paging out of the Spectrum's ROM and the paging in ... currently paged in memory (the Spectrum's ROM). The following instruction will ... wait state, so the Spectrum's ROM should provide the next ... -
Question - SAMS Timex Sinclair 2068 Beginner/Intermediate GuideHi all, I just acquired a T/S 2068 and the a book that came with it is, SAMS Timex Sinclair 2068 Beginner/Intermediate Guide. On page 18 of thi…
... does not rely on the Spectrum ROM code. Because of the differences ... between the Timex ROM and the Sinclair ROM, a number of ... socket for a ROM chip. With a Sinclair ROM chip fitted, a ... -
Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... ://www.matthew-wilson.net/spectrum/rom/"]matthew-wilson.net/spectrum/rom/[/url]
Question - SAMS Timex Sinclair 2068 Beginner/Intermediate GuideHi all, I just acquired a T/S 2068 and the a book that came with it is, SAMS Timex Sinclair 2068 Beginner/Intermediate Guide. On page 18 of thi…
... their follow up to the spectrum. Their spectrum failed FCC emissions which ... ts2068 I transferred hundreds of spectrum games to my disk ... ts2068 emulator. By using a spectrum rom in the bottom 16k you ... the floating bus. Some spectrum games will try to read ...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…
... ROMCS, plus the time the Spectrum ROM takes to respond (stop driving ... if the Z80 reads the Spectrum ROM, garbage or the data ... byte from the Spectrum ROM, but use the external ROM for the ... instruction in the Spectrum ROM in the external ROM at the target ...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…
... [b]DI[/b] ("F3") like Spectrum ROM, except "QBert" (uses an unconditional ... "]!ROMCS[/color][/b], on first ROM access (#0000), and decide control ...An odd floating point error. Avoid!While working on the revival of my old game ([url="http://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992…
Much appreciated! The Gosh Wonderful ROM [i]does[/i] indeed provide a fix the above bug, and a bunch of other things. Just tested it. (My bedtime read for the past week has been [i]The Complete Spectrum ROM Disassembly[/i].)Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... "calculator" you mean module in Spectrum ROM dealing with well, calculations.
ROM routines here is almost certainly ...Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... "calculator" you mean module in Spectrum ROM dealing with well, calculations.
ROM routines here is almost certainly ...Proportional fontsI've been doing some proportional font drawing, purely on C level at the moment, but it's orders of magnitude slower than I'd want it to be. It's sti…
CAPS-SHIFT KeyCodeIs there a standard Keycode for CAPS-SHIFT Key ? Looking at the ROM documentation in the Main key table KEYTABLE_A, there is no Entry for CAPS_SHI…
... ” you mean “in the standard Spectrum ROM,” then, no. But then calling ...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 …
... to refer to any Spectrum books as online FAQ ... good page for the ZX Spectrum edge connector. It says ... connector. It says:- "The Spectrum expansion connector is carried through ... B25 , disables the Spectrum ROM and the Discovery shadow ROM".
...Things you hated about the speccyFor me it would be the Kempston interface coming loose and the machine crashing after a good session of waggling my joystick.
... have a 16k byte OS ROM and a 16k byte ... bytes of ROM as standard. While the ZX Spectrum had a ... 16k byte ROM that combined BASIC ... The spare space in the ROM was supposed to be for ... I can look at the Spectrum ROM and see how amazing it ...The Complete Spectrum ROM Disassembly - SkoolKittedAs [url="http://worldofspectrum.org/forums/discussion/52745"]indicated previously[/url], I've recently been working on converting Logan and O'Hara's …
... />
New version of the Spectrum ROM disassembly released. No bugs page ... [url="http://skoolkid.github.io/rom/buffers/sysvars.html"]system variables ...Recommend games that don't need the ROM ?I'm looking for a few games that: * Are freely available as .sna files * Do not need the ROM at all * Have motion on screen after snapshot resta…
... of my unfamiliarity with the Spectrum ROM; however there is some pushing ... /znake
Without the ROM, I guess the joystick wouldn ... or garbled characters without the ROM.The state of source level debuggingI was just wondering if we can put on a table everything we collectively know about source level debugging for ZX Spectrum to get an overview of curr…
... debugger injected into ZX Spectrum 48K ROM = the monitor. Due ... /> jp 0x335b ; calculate in ROM
.db 0xff,0xff, ... [/u]
Well…Spectrum ROM Dissasembly says:
... program was rewritten for the SPECTRUM.”[/i]
...So where is the random number in the Speccy ?So I am messing around with ZX Spectrum Assembler and I want a random number. I looked up previous posts and one of the links said that random number…
... made. On most models of Spectrum (the +2A/3 have ... messing around with ZX Spectrum Assembler and I want ... random numbers are in the ROM at 14000 ?[/quote]
ROM; although if you initialise ... in mind that the Spectrum ROM wasn't really designed ...Interesting crashesI had an interesting Spectrum crash last night, I think it was trying to tell me something's wrong or it's had enough of my games! Or it could be dow…
... it's stored in the ROM - the final character isn't ... hex" according to the Complete Spectrum ROM Disassembly)
I think this ...How to get more than 21 UDG's in BASIC?So with graphics mode under the G cursor how many UDG's can you do from BASIC is it 21? It's all POKE 65368 and above and it's sequential ABCD.... an…
... I'm typing into the Spectrum because I've set CHARS ... to be pointing to the Spectrum ROM character setWhat 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…
... Everything after the original Spectrum was a waste of ... calculator library of the ZX Spectrum ROM written by Steve Vickers. ... written for the ZX Spectrum will automatically use the ... increases performance for the spectrum with most operations including ...BBC BASIC for the SpectrumThe latest update of BBC BASIC for the Spectrum at [url="http://www.mdfsnet.f9.co.uk/Software/Spectrum/BBCBasic"]http://www.mdfsnet.f9.co.uk/Software…
I'm sure it would be a spectacularly pointless exercise, but has anyone tried going the other way? By which I mean: patching the Spectrum ROM (and writing the necessary 6502 host code) so that it runs on a Beeb's Z80 second processor.BBC BASIC for the SpectrumThe latest update of BBC BASIC for the Spectrum at [url="http://www.mdfsnet.f9.co.uk/Software/Spectrum/BBCBasic"]http://www.mdfsnet.f9.co.uk/Software…
If you patch the Spectrum ROM to send data to the ... , that can then draw the "Spectrum" screen ;-)
[b][i ...
