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Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
... the Spectrum with an unfinished ROM so Dr Ian Logan had ... write a work-around shadow ROM in the first place. You ... hijack the standard error routine without using a shadow ROM. Just PUSH ... stack immediately after the standard error routine. -
Interface One - New FunctionalityAs you may (or may not) be aware the Interface One is a pretty powerful piece of kit. One of it's greatest features is being able to easily extended …
Even if the ROM were complete, owing to ... peripherals to stop the main ROM from being selected. Peripherals ... paging logic. The main ROM can't do the same ... than trapping the RST 08 error routine, and to allow ... need to page its own ROM for reads/writes if ... -
FLASH EPROM programming on ZXExist any other software for rewriting FLASH EPROM or EEPROM chips on real ZX ? I know only: EEPROM flasher for original DivIDE [url]http://85.132.…
... 225
;------------------------------------------------------------
;my ROM banks are paged in by ... AND A
RET NZ ;error not mult 128
OR ... br /> IN A,(rombank0) ;ROM A14 must be lo
The So What's This Buzzsaw All About Then? Thread.Erm. This: [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap"]http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_1.tap[/URL] Keys…
... 've already seen a timing error on +2A/+3s that I ... , but it relies on the ROM to tell the difference between ...Vote for your favourite loading border colourSo it is time for one more important voting! :razz: What is your favourite loading [B]border[/B] design? Since I guess most of us spent many many ho…
... came up with that annoying error message), you had no idea ... you could use the standard ROM routines :lol:+2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …
This is complette archive with sorted ZX software using incorrect IM2 vector table in ZX rom
[url]http://velesoft.speccy.cz/other/games-+2a-error.zip[/url]
All this games crash on +2A machines. More info in TXT file.+2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …
... ZX rom
[url]http://velesoft.speccy.cz/other/games-+2a-error ...can someone help with a rom routinei have been trying to draw a simple line with a the rom routine , but i just cant get it to work , so if anyone can give me an example in z80 that wo…
... 9146 (23BAh)
The ROM line-drawing routine proper starts ... drawing the line and an error will occur if you try ...DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…
... nothing unless certain ROM instructions are called (start, error, int, nmi, load ... in place of the standard ROM so you can basically override ...DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…
... can use the ROM function. Read the Shadow ROM disassembly to ... error from BASIC, or whether this is a return from a ROM ... As I said, the Shadow ROM disassembly explains how this mechanism ... pattern for calling ROM routines when the Spectranet ROM is paged ...+3 dead(!)Hi, When I turn on my +3 I see only white and black strips (vertical) on screen any idea on how to fix it? Thank you in advance Chris [IMG]http:…
So the Z80 works. The ROM presumely works. Some code inside ... the ROM has executed a DI, then ... there any place at +3 ROM in which a HALT is ... recall that when a RAM error is found, the processor merely ...The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... obvious places that are missing error trapping which I should fix ... first...
[quote]SAVE "rom" CODE 0,16384 will save ... ram ? It's impossible save rom data ?[/QUOTE]
Yes ...An idea for a possible(?) new interfaceDue to the Spectrum's processor speed and the way the ULA works, there are a couple things (among others) that are difficult to do: -Gigascreen or a…
... waveforms from a table in ROM, residing in the interface.
messages depending on a theme, and ...Head Over Heels (Amstrad PCW version)Not strictly Speccy related, but I know a lot of the game's fans are on here :) I've been playing the PCW version of Head Over Heels recently, and w…
... ; it's all right for error beeps (ie, turn the beeper ... you try running the Spectrum ROM beeper code (suitably adapted) on ...which one bit of hardware would people want re-made?I'm just curious in the sense of I see interface 1's go for a fair bit on ebay and also multiface units etc.. so whats the one thing that you don't …
... AY or YM, with Pentagon ROM, with 128Kb of RAM (512Kb ... " modification in it (removing 'snowing' error) - probably not, so I would ...which one bit of hardware would people want re-made?I'm just curious in the sense of I see interface 1's go for a fair bit on ebay and also multiface units etc.. so whats the one thing that you don't …
... AY or YM, with Pentagon ROM, with 128Kb of RAM (512Kb ... " modification in it (removing 'snowing' error) - probably not, so I would ...AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…
... introducing a good deal of error? I just had to check ... old, plus the manufacturing 30ppm error that takes us to a ... integer tstates which introduces some error, though averaged over a fair ... samples (say 50% of the ROM is ones, two one pulses ...SPIN: How do I ...re-arrange the keys again? I'm pretty sure I was able to do this way back (or maybe I emulated a joystick). Anywho, how do I re-map the keyboard in…
... to get two messages saying that the 48k ROM can't be ...Machine Code Microdrive File LoaderI've been experimenting with transferring games to run from microdrive. Typically I like to see a loading screen while things are happening, and I li…
... s compatible with both [offical] rom issues - now weighing in at ... br /> ;
err_nr equ $5c3a ; error report code
err_sp equ ... /> ld hl,(err_sp) ; fetch current error return
push hl ; and ... code to call any shadow rom address
ret
;< ...Dim commandI try o find a BASIC COMPILER for ZX SPECTRUM 128 that use DIM command with two or more letter as 10 DIM AB(10) instead of 10 DIM A(10) Any iforma…
... $) would result in Q: Parameter error.
[quote] ... show up in a 'next ROM version'.[/quote]
ROM things that can be ... own space in the ROM. It could also be ... live in the ROM are things like ON ERROR functionality.
...Dim commandI try o find a BASIC COMPILER for ZX SPECTRUM 128 that use DIM command with two or more letter as 10 DIM AB(10) instead of 10 DIM A(10) Any iforma…
... result in Q: Parameter error.[/QUOTE] I take your word ... to implement in the ROM things that can be ... s own space in the ROM. It could also be ... live in the ROM are things like ON ERROR functionality.[/QUOTE]< ... would replace the 'old' ROM, in real or in emulator ...Dim commandI try o find a BASIC COMPILER for ZX SPECTRUM 128 that use DIM command with two or more letter as 10 DIM AB(10) instead of 10 DIM A(10) Any iforma…
... and jumped directly into the ROM to execute the commands; ... offer new routines replacing the ROM routines that are faster and ... space efficient than the ROM's. The ROM routines are designed to ... designed to be general with error detection code clogging them up ...Tape I/O in z88dkAccording to the documentation, z88dk appears to have facilities in its spectrum-specific library for tape i/o - [url]http://www.z88dk.org/wiki/doku.…
... )
Jumps into the ROM's SA-BYTES routine at ... anyway). Also, it installs an error trap to intercept if someone ... return non-zero to indicate error.
** int tape_load_block ... /> This one jumps into the ROM's LD-BYTES routine at ...Help wanted to finish That's the Spirit[img]http://img59.imageshack.us/img59/8269/spirit11.png[/img] I've reached what I think is the final screen of [I]That's the Spirit.[/I] I managed t…
... both Spectaculator and SpecEmu give error at the same moment, not ... ]
What does this messages mean? Do I have too ...La Abadia Del CrimenBits and pieces on this game from a frail, fragile and a fragmented mind: I see that the [URL="http://www.abadiadelcrimen.com/"]remake[/URL] finally…
... on the way messages are finished in the Speccy ROM, but pumped ...Different ZX 48K ROM versions?Is there only one official ROM version for the ZX 48K from Sinclair? Micky
... ]Is there only one official ROM version for the ZX 48K ... />
Yes the original 1982 ROM was the only one ever ... AB ROM released in Nordic countries. This wrongly corrects the 'division error ... .
The TS 2068 ROM was an official Timex/Sinclair ...Different ZX 48K ROM versions?Is there only one official ROM version for the ZX 48K from Sinclair? Micky
... ;428816]
The TS 2068 ROM was an official Timex/Sinclair ... the fixes to the Spectrum ROM. Timex seemed to have spotted ... flaw in the division error fix. This error spread to the European ...
