-
Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... ]
which does a bank-switch into bank 3 and tests that RAM ... that been printed via $C000 bank 3. If this doesn't ... -
128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
... Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4 | Bank 5 | Bank 6 | Bank ... screen | | screen |
C000h +--------+--------+--------+--------+--------+--------+--------+--------+
| Bank 2 | Any one of these ... a typical bank switch on the ... -
Wanted Issue 1 32K DaughterboardBit of a long shot i know but original or if anyone can make one i got cash waiting. [IMG]http://img.photobucket.com/albums/v322/Sloposse/Sinclair/s…
... details [assembler] of how to bank switch the additional memory in and ... -
Wanted Issue 1 32K DaughterboardBit of a long shot i know but original or if anyone can make one i got cash waiting. [IMG]http://img.photobucket.com/albums/v322/Sloposse/Sinclair/s…
... details [assembler] of how to bank switch the additional memory in and ... -
MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…
... read. Then it could switch automatically to your RAM page ... The NMI menu can't switch directly to the Task Manager ... needs to have performed a bank-switch ResiDOS-style from the interrupted ... ), it should switch back to the interrupted bank and continue execution ... -
Mass storage - why backup battery?I wasn't sure to post this under "hardware" or "development", but here goes: There are these mass storage devices for ZX Spectrum, and on many desig…
... to do with how you bank switch with a Spectrum. Whether you ... NVRAM on these devices *is* bank switched, and it appears as ... -
A question about M1 cyclesI'm writing an interrupt routine that, after the usual register pushes, will jump to a location of my choice with a [b]JP (IY)[/b] instruction. If I…
... have your interrupt routine switch banks in another memory region ... [I]have to[/I] bank-switch within your interrupt routine, try ... the OUT instruction to actually switch the block.
[/LIST ... such "update memory location, switch block" in your main program ... -
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…
... code inserted to make the bank switch happen.
I wonder ... if needs be.
Bank switching is manual though.
Maritrini and Cray 5 loading problemsHas anyone else here had issues loading either of these on a 128k? No matter what I try, both these games refuse to load properly. I can get both t…
... could be incompatible with a bank switch.
So, the "REUBICA ... /> and #F8
Bank: or 0 ;POKE to Bank+1 address to ... change which RAM bank to write to
ld ...Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
... scroll in a spare uncontended bank, but you're then limited ... ]
PUSH/POP copy with bank switch between fetch and store should ...Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
... ;613293]PUSH/POP copy with bank switch between fetch and store should ...80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... offset.
The 128K bank switch alters different address line for ... its second bank. But, they could have implemented ... mode *as well*, with whatever bank offset they wanted, including 8K ...Very weird +2 problem.After two days, I'm still fighting this grey +2. Symptoms: When I first got it, there were stray pixels on the screen, and stray lines and colours. …
... because the 128K ULA can switch between screens. That means that ... game starts is causing a bank switch, making the backup screen used ...LOOK at the size of my Rom/EmulatorOk, we have 16k, 48k, 128k, even a 256 odd k Rom/Emulator But I want more :p Is there anything out there now or been worked on to give more, as the…
... access more than 64k you bank switch memory and you can swap ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
IN and OUT in hardware terms... what are 'ports'?Hi all, I understand PEEK and POKE, but have never managed to get my head around IN and OUT. The books all go on about how they read from and wri…
... around 32K you really needed bank switch schemes, similar to the 128K ...[NEW] Speccy for Android ReleasedHello, All! A while ago, I have released the Android version of [i]Speccy[/i], my ZX Spectrum emulator. It emulates Spectrum 16k, 48k, 128k, +2, +2A…
... /> This version [b]fixes RAM bank switching in the Czech Didaktik ... CHANGES:
* Fixed Didaktik RAM bank switch, should work properly now.
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…
... the last) to be the bank switch address; any access to said ... address would switch banks?
That ... return the byte contents before bank switch =)
For a ... making the data in those bank switch bytes harder to access.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…
[quote="Sol_HSA;864153"]On bank switching logic - if there has ... the last) to be the bank switch address; any access to said ... address would switch banks? [/quote]
The trouble ...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…
... the last) to be the bank switch address; any access to said ... address would switch banks?[/quote]
... br /> Your suggested solution for bank switching, although possible, is not ... doesn't allow you to switch the ROM OFF, so that ...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…
... ;864172"][quote="Sol_HSA;864153"]On bank switching logic - if there has ... the last) to be the bank switch address; any access to said ... address would switch banks?[/quote]
And how ... byte case, each byte would switch to a specific page. The ...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…
... to understand how to do bank switch.
Thanks for the ... is documentation on how to switch banks.
I read the ... nitty gritty details, required for bank switching, so that it can ... , like a read only memory bank ?
My intention is ...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…
... hell, to be used for bank switching, for resource data.
bank switching register. Hack, even if ... />
Hi RMartins, well, a bank switch takes 5milliseconds. I wouldn't ... the PIC firmware and make bank switches in that little time ...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…
... Hi RMartins, well, a bank switch takes 5milliseconds. I wouldn't ... your answer.
Bank switching speed, is irrelevant, if ... app into RAM, next bank switching interface get's locked ... solution, for development, if bank switching was fast, but currently ...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…
... one, which means that our bank switch code will also be fixed ... /> NOTE:This will allow for Bank switching code to be place ...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…
... ROM, that will allow to Bank switch ROM applications, and later also ...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…
... ROMs wouldn't boot after bank switch, but would happily boot ... that Interrupts where enabled by bank switch function, before faking boot.< ... b]DI[/b]",just after bank switch, and removed HALTs so ... until I make a proper "Switch Bank and BOOT" procedure.
...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…
... be)
// Command 1-32 : Bank Switch to 0-31 (1-32 ... pulses)
// Command 33 : Bank Switch to Internal ROM (Internal is ... CMD_INTERNALROM_DISABLECMD 34
// Command 34 : Bank Switch to Internal ROM & Disable ...
