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Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …
... is typically used. A configuration ROM is read exactly once into ... the system starts, the configuration ROM plays no part and can ... .vlsi-world.com/content/view/48/47/"]http://www.vlsi-world ... .com/content/view/48/47/[/URL]
[URL ... -
Which Emulator supports Betadisk48?Hi out there and happy new year, I'm looking for an emulator to run with my vision1.7 trdos-rom in 48 mode. Unfortunately most emus only support Bet…
... 128 Mode
to Beta 48 Mode inside the emulator.
; Dir for Betadisk 48 drive A.
beta48dir-A ... br />
; Dir for Betadisk 48 drive B.
betadir48-B ...
Betadisk48ROM = C:\X128\VISION.rom
;Betadisk48ROM = d:\emul\x128 ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... /> sp1_AddColSpr(s, SP1_DRAW_MASK2, 0, 48, i);
sp1_AddColSpr(s, ... tap files, etc. Other options (+rom, +extract, +inject, etc) allow ... an if2 cartridge) with +rom, then +inject to insert ... the font from a spectrum rom file).
New Items on SellMyRetro.comI have added a few ZX Spectrum items tonight to SellMyRetro, including a Disciple and a Stonechip programmable joystick interface: [url]http://www.s…
... the keyboard on the Spectrum +48 and Spectrum +128:
http ... /> ZX4 Spectrum +2 Interface programmable ROM cartridge:
http://www.sellmyretro ... -Sinclair-ZX-Spectrum-Interface-2-ROM-Cartridge-4245Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... with a v4.1 +2A ROM, as equipped by my two ... +2A with a v4.0 ROM, more commonly found in the ... ). The game was loaded under 48 BASIC mode.Air Hockey: I ...Grey +2 and +2A differencesWas the grey +2 incompatability of some of the Spectrum games fixed with the +2A -B?<br><br>
... Amstrad kept tinkering with the ROM. Be interesting to know which ... the places in the BASIC ROM that used to be filled ... bus" of the original 16/48 Speccy has been eliminated; i ... minor changes to the Editor ROM.
As if this isn ...128k toast rack diagnosisHi - I recently won a 128K toast rack, and have got a Retroleum smart card. I've tried a couple of games and all seems fine...-ish.<div><br></div><di…
... correctly when launched from the ROM manager.
TL;DR: ROM manager locks paging.
< ... place the stack in upper ROM
; (to ... ROM 3 (+2A/+3), the 48 BASIC ROM. This will prevent any custom ROM ... is not run when ROM image is in slot ...Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... byte. sccz80's is a 48-bit float with 40 bit ... exponent. Math48's is also 48-bit but arrangement is different ... end, including the native zx rom so that the compilers can ... use the rom for fp for a big ...Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... . sccz80's is a 48-bit float with 40 bit ... . Math48's is also 48-bit but arrangement is different ... , including the native zx rom so that the compilers can ... use the rom for fp for a ... generated to handle these. A 48-bit double seems reasonable, ...The right size for Standard Betadisk 48k TR-DOS v4 ROMs is 8k and not 16kHi Emulator-Authors, I just want to clarify, that Betadisk 48 ROMs TRDOS v4 ROMs has size of 8 kByte and not 16k Byte. Only TRDOS v5 (of Beta…
... Another "Special" is the Beta 48 Clone Gamma-Disk
[url ... This one has an 32k ROM, but it seems, the ... lower half 16k ROM (Printer adapter routines)
... upper half 16k of the ROM (modified TRDOS v4.12) ... in the
48k ROM area 0-16383 when ...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 …
... rate: 44,100 Hz and 48,000 Hz aren’t exactly ... as sufficient, especially for the ROM loader. If your hardware records ... fixed sample rate of exactly 48,000 Hz. HDA is thankfully ... PZX) for tapes containing ordinary ROM loader blocks. The only advantage ...The right size for Standard Betadisk 48k TR-DOS v4 ROMs is 8k and not 16kHi Emulator-Authors, I just want to clarify, that Betadisk 48 ROMs TRDOS v4 ROMs has size of 8 kByte and not 16k Byte. Only TRDOS v5 (of Beta…
... e.g. complete TR-DOS ROM versions are missing yet.
ROM-Version I have here.
ROM, and there being the original ... 48 and Beta 128 is different and uses different call-adresses / ROM ...The right size for Standard Betadisk 48k TR-DOS v4 ROMs is 8k and not 16kHi Emulator-Authors, I just want to clarify, that Betadisk 48 ROMs TRDOS v4 ROMs has size of 8 kByte and not 16k Byte. Only TRDOS v5 (of Beta…
... g. complete TR-DOS ROM versions are missing yet. ... list with the TRDOS-ROM-Version I have ... various versions of the ROM, and there being the ... 48 and Beta 128 is different and uses different call-adresses / ROM ... than in their shadow ROM. [url=http://sourceforge. ...What is the "SPECTRUM" keyword on a 128K?The 128K replaced UDG characters T and U with new commands; PLAY and SPECTRUM (or possibly the other way around.) The manual ([url="http://www.wor…
... by paging in the 48k ROM, changing the printer channel info ... in RAM is preserved. Selecting "48 BASIC" from the menu has ... IIRC.
The 48k ROM page on the 128k models ... identical to the original 48k ROM (particularly on the +3), which ...Spectrom interface ?Hi all, I got 2 of this devices ... :) [img]http://forest.no-ip.org/wos/spectrom/20151006_151428.jpg[/img] [img]http://forest.no-ip.org/wos/sp…
... quote]
Normally, Spectrum ROM occupies the lowest 16 K ... to disable that ROM by pulling /ROMCS (ROM Chip Select) line ... When this happens, the external ROM (or RAM) temporarily occupies ... pages" of the ROM "visible". So, when a 48 K program starts ...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 …
... quick reminder that Rom 2.1 is for 48+ Spectrums, 2.2 ...WANTED Machinecode Routine for Paging in Betadisk TR-DOS v5 ROMI try to build a small MCode-program which writes the TR-DOS-ROM v4 / v5 to RAM adress 40000 an up. It´s working on TR-DOS v4 / Betadisk 48k: C…
... Beta 128 pages out its ROM as soon as the ... hardware sometimes has a Beta 48 compatibility switch, perhaps that ... us to page in the ROM and do something with ... allows us to copy the ROM to 40000, using the ... on the bytes in the ROM being exactly as required, ...Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... .zip"]Fixes[/URL] by Nuggetreggae (ROM loader) and me (turbo loader ... version does when loaded under 48 BASIC). [url="http://www. ... features. It will run in 48 BASIC but without sound.
48 BASIC in order to load ...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…
[quote="slenkar;857988"]
So using IX and IY is a bit more generic and easy but has a size and speed penalty?
[/quote]
It is easy but it's not always slower nor is it always bigger. If you can't hold the current working set of ...Howto disable Multiface on SpecEmu for taking native Beta48 Snapshot ?Is there a way to disable MF on SpecEmu for taking native Beta48 Snapshot in CBI-95 Disk Emulation (=Betadisk 48) ? Each time I send NMI Button o…
... "]Does SpecEmu support the Beta 48 NMI?[/quote]
I don ... . Interestingly, X128W with Gammadisk-Interface-ROM works OK while issueing a ... .
But with Betadisk 48k ROM this don´t work...A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
The version for the new c library is split between two files. One holds the C code and the other holds the asm stuff. The compile lines are listed at the top of demo.c. "q" increases the number of sprites, "a" decreases the number of sprites, "p" ...Accessing +3 DOS with DivIDE enabledI'm thinking about making a tool that copies files from a FAT partition to a IDEDOS partition. Currently, I've got two problems: - Getting the ESX…
I only see one of the paging ports being written to there... Where did this code come from?
You will have to initialize +3DOS since you've reset into the 48 BASIC ROM.So it occurred to me; "Why bother with going into 48K BASIC when you can just....wrap the machine code calls inside a 'RST #28;DEFW addr:RET'?" Of course, you DO need a small M/C routine to do that, and ta-daaa, here it is: [cod…
... exactly say it "goes into 48 mode", the RST #28 DOES ... BASICs to enter the 48K ROM and execute code there, is ... then return to the 128K ROM. By using this mechanism, the ... relies on, to the new ROM, but could concentrate on writing ...DivIDE 57c update and 128 games?Hi all, Lots of questions ahead!! :) I have found my long lost DivIDE 57c. I have put in my Spectrum 128+ and I spotted that it has 2005 Fat…
... ]? (I use it for both 48+ and 128+ speccys)[/quote]
ROM, you'll have the same ...Mysterious error message ?Something just occurred to me, when I try to load certain JSW games which require 128k memory into my emulator in 48K mode I get this error message. …
... at various locations in the ROM to detect 48k (H ... /> JR Z,BERR48 ;No; 48 mode is assumed.
LD ... br /> JP 23325 ;Page in ROM 1 etc.
;
... /> JR Z,BERR48 ;No; 48 mode is assumed.
LD ... br /> JP ONERR ;Page in ROM 1 etc.
;
...New multicolor engine BIFROST*2[img]http://s15.postimg.org/rfue0jb3v/BIFROST2.png[/img] [b]BIFROST*2 ENGINE[/b] is now available! Download it here: https://www.dropbox.com/sh…
... choosing between? They are marked "48" and "p3". Is the ... a +3 only and the "48" for 48/128?
... like nirvana+ does with 48/128 and pentagon. Still ... peeking a byte in the rom. Is this going to ... work no matter which rom is currently paged in? ...
