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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…
My memory says that Disciple worked with the 128K toastrack.
Anyway there ... RAM, so that that particular page could be retrieved. Must be ... -
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…
... ;682423]My memory says that Disciple worked with the 128K toastrack.
page could be retrieved. Must be ... -
Accidental rainbow effects.. How do I adapt?I've somehow bizzarrely created a rainbow text effect on my title screen by accident. The title was just supposed to flash different colours whilst …
... disabled during your IN keyread routine. This is because when ... keyread to your IN routine). But you need to ... .
The routine below will ~work on a ... above 32768 ), when in slow memory (SP below 32768 ) you ... , and also on a 128k or other models*. You ... -
Sam CoupeI am very interested in the Sam Coupe but I wanted to ask a lot of questions about it. Do anyone here use one a lot and are there any Sam Coupe foru…
... ZX color palette and correct memory layout.
State of ... /> 00000-16383 = first 16kB rom page from 32kB eprom chip
routine.
In second 16kB page of eprom I ... -
Under development: CattivikHey there I started making a new game "Cattivik" based on the cartoon character invented by Italian cartoonist Bonvi [url]http://www.youtube.com/wa…
... the top of memory for a custom interrupt routine to play AY ... uses AY music which is 128k only, and is different to ... -
Under development: CattivikHey there I started making a new game "Cattivik" based on the cartoon character invented by Italian cartoonist Bonvi [url]http://www.youtube.com/wa…
... the top of memory for a custom interrupt routine to play AY ... uses AY music which is 128k only, and is different to ... -
Just a curiosity of mixing synth with samplesThis is really a proof of concept, I made for the idea of playing simultaneously two ZX Spectrum computers, where one is playing chiptune music and t…
... player has its own interrupt routine, so that would have to ... CPU time... if the interrupt routine takes too long, it will ... 50Hz 'buzz'. The standard Soundtracker routine is possibly a bit too ... inefficient use of memory (it would have to be 128K only, and ... -
Just a curiosity of mixing synth with samplesThis is really a proof of concept, I made for the idea of playing simultaneously two ZX Spectrum computers, where one is playing chiptune music and t…
... player has its own interrupt routine, so that would have to ... CPU time... if the interrupt routine takes too long, it will ... 50Hz 'buzz'. The standard Soundtracker routine is possibly a bit too ... inefficient use of memory (it would have to be 128K only, and ... -
Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... call up the next character routine then POP HL to get ... /> It might work on a 128K Speccy, where you could expand ... wouldn't be very efficient, memory-wise, for a 48k Speccy ... -
BIFROST* for graphic artists - part 1Using multicolor requires 2 very different skills: [I]programming[/I] and [I]graphic design[/I]. I already wrote several tutorials about the former …
... (or more) tilesets in memory and simply switch between them ... (perhaps even somewhere else in memory). If stored in disk, ... a Spectrum 128K game, they could be stored in other memory banks ... level transition anyway. A single memory page (16Kb) would be enough to ... -
RAM Diagnostic ROMhi all, i burn this ROM from here [url]http://www.fruitcake.plus.com/Sinclair/Interface2/Cartridges/Interface2_RC_New_RAM_Tester.htm[/url] and i a…
... to tell the memory chips which memory location the CPU ... CPU (reading a value from memory).
... /> Because this is a 128k byte machine, there are two ... giving a total of 128k bytes.
Made ... 41071&highlight=contended&page=2[/url]
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... the Timex has some additional memory paging .. i wonder if this ... with separate logic like the 128K standard does?
Edit ... - but found a pretty interesting page on Wikipedia about alternative Spectrum ...Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... br />
Contention on Spectrum 128K with "normal" timing should start ... that SpecEmu is correctly emulating memory contention and port *FF just ... , it would mean the memory contention cycle in TK90X actually ... showthread.php?t=39194&page=3"]#21[/URL].BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
It uses the ROM LINE_SCAN routine for syntax checking, so IF. ... , as the syntax error will page in the shadow ROM to ... it won't work in 128k mode, as it puts the ...CyberbigI found out that Cyberbig is affected by snow effect in FBZX Wii. There is snow in the all screens except in the main menu. I checked that also Spe…
But Cyberbig works really on 128k/+2 models?.
memory still occurs, and also ... set to point to contended memory.[/quote]
page and this interacts with ... lost and the previous page remains at his place ...Sound programs that use +3DOS/AssemblerHi I am working on my final JSWed project and have nearly finished but i am considering changing the standard in game tune you get,the editor instruc…
... copy of the music editor page from the JSWed instructions but ... editor is present only in 128k games (JSW128 and JSW64). It ... tune as a block of memory) and Assembly (a text format ...Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…
...
My findings match your memory-mapped addresses, with the addition ... byte of instruction
Page ROM
Fetch any ... you'd use to page in the IF1 ROM ... you'd use to page out the IF1 ROM.< ... />
The drive detection routine at $0F2A-$0FE4 is a ...Rocky Gush Floppy Drive InterfaceI have a Rocky Gush Floppy Drive Interface which I would like to post the details under the Hardware section of the website. What is correct procedur…
... [QUOTE]My findings match your memory-mapped addresses, with the addition ... byte of instruction
Page ROM
Fetch any ... you'd use to page in the IF1 ROM ... you'd use to page out the IF1 ROM.[/ ... />
The drive detection routine at $0F2A-$0FE4 is a ...BIN2BAS (load BASIC text into emulator) utilityI've nearly finished testing this. It allows a BASIC program to be loaded from a text file in any emulator which has a "load binary" option. I was wo…
... of tokenised line). The ROM routine will then switch the stack ... maximum use of the available memory.
So the 128 ... can be loaded on the 128k, but that's a limitation ...SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…
... it is used in the 128K model). You only have to ... lines. A very small interrupt routine could simply toggle between displaying ... />
Unfortunately, as the same memory area is driving both screens ...Varios +3(e)DOS questions?I'm converting tape games to disk, for being used in my +3e. I'm trying to convert them to standard BASIC loaders, so files could be copied using BAS…
... game's boot routine loaded at $fe10 in page 3. This will ... of finding where the read routine is in the code; there ... 'd presumed that the first routine I found was the only ...Idk>le me browsing through some game's code >..... [code]61A8 F5 push af 61A9 3EFF ld a,FF 61AB D37F out (7F),a 61AD D33F ou…
... br />
If the routine at 62C3 is reading a ... 've entered the monitor routine and we're ready ... block of data into memory from the remote machine ... and write it to the 128K memory paging port
B6 ... (624e) = write a memory block to the remote machine ...FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... Spectrum II". It starts at page 53/54 of this book ... br />
Interesting! The Desktop routine supports printing keywords, configuring height ... is size. The Desktop routine is over 600 bytes long ... The fonts also take more memory, for instance all 26 original ...DIVIDE PLUS - new memory mode DIVIDE128Divide PLUS contain 512kB sram + 512kB flash eprom. Memory paging in this device is enable on two different ports : 1) port #E3 is compatible with o…
New routine for install 8kB rom image ... mapram mode + select divide ram page 1(memory ROW1)
RST 0 ... used mapram page...[/code]
Before start this routine must be ... support DIVIDE128 paging mode. This routine can be used also for ...Hardware description - PLUS D interfaceThis new thread will contain onformations of different ZX devices. Some devices contain manuals, schematics or firmware for some chips, but some peop…
... url]
On this page is incorrect link for download ... memory):
- #08 (rst8 = syntax error)
- #3A (part of IM1 routine ... )
- #66 (NMI routine)
If PLUS D memory ... [/B] = disconnect PLUS D memory
(addressing of port ...Didaktik Gama and M manualsI?m looking for manuals for the Czech Spectrum clones Didaktik Gama and M. Thought this would be an easy task, but I couldn?t find any user or servic…
... ZX ram + one ZX128 page. Also exist some TAPE copiers ... info about system variables, free memory, etc.. Exist more versions ... also contain routine for copy ZX ram data during memory paging. ... to 35000 then after switch memory page (full 32kB) automatically copy ...Barn find #4I think this is some sort of backup device. Its got "007" on the motherboard and the mice have chewed the buttons. Will do a little research later in…
... Z80 CPU via a NMI routine.
So if we add ... interface will still page out the BASIC ROM, page it's own ... 3FFF hex (16383 dec) no memory will respond (remember that /ROMCS ... CPU tries to read from memory in this area, it will ...Problem With POINT StatementHello everyone this is my first ever post, So firstly i'd like to say hello to everyone and secondly thank you to the admins for such a great site, …
... also using enormous amounts of memory with all those BIN statements ... have all the graphics in memory twice - once as a pile ... the wiki on Borie's page) but you do end up ... part of a bug test routine. (If it changes a lot ...Copying data between memory banks in USR0 modeI am experimenting with Funky Fungus to load the majority of its data (levels, screens, music etc.) into memory banks 1, 3, 4, 6 and (partly) 7 by sw…
... (levels, screens, music etc.) into memory banks 1, 3, 4, 6 ... somewhere. You could use a routine to copy all the bytes ... buffer. That way you only page the screen in when you ... 0 with a short LDIR routine so the original version remains ...
