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New TR-DOS GamesI'm really impressed with the quality of "Fire n Ice" - a clear example of what can be achieved on the [modified] hardware. Can anyone recommend any …
... version of Fire'n'Ice to .TAP format, but it has ... are compressed. So to do a proper .TAP of it one ... would have to decompress all ... routines) - find some memory to have tape loader in ( ... or so TRDOS cracks/games to .TAP ...
But Fire'n ... -
pSpectrumok, know i know this wont interest everyone, or maybe not even any of you! Anyway, the guy who developed the PSP speccy emualtor pSpectrum, has rece…
... the worst when it comes to such issues.[/quote]
to tap the potential of the machine ... />
chill man, no need to get in a flap over ... -
pSpectrumok, know i know this wont interest everyone, or maybe not even any of you! Anyway, the guy who developed the PSP speccy emualtor pSpectrum, has rece…
... developers, thus allowing more people to tap the potential of the machine ... users will not be forced to use branded products through various ... hardware mechanisms similar to those used on the PS2 ... -
Anyone got divIDE and +3/+2A?About a year ago, somebody asked me to port the Spectrum +3e ROMs over to the divIDE interface. I did this, but never heard back so I was unsure if t…
... [QUOTE]What is the difference to normal roms with divIDE and ... as the ability to OPEN/CLOSE channels to files and perform ... give you access to standard filesystems, and to TAP files (and better ... snapshot support). But I like to give ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... ]
The z80 responds to two kinds of interrupts:- non ... means for external peripherals to poke the z80 to let it know ...
Exactly how the z80 responds to these signals on its /NMI ... is expected to supply an instruction for the z80 to execute. This ... -
MAME on the Spectrum?Yes, I know it's currently AY's job to make ludicrous posts (a position he's filling in very well, until TKRAP returns), but just out of interest, if…
... much just a cut down Z80. The main complication is ... seemed to be to hook the routines that draw to the ... emulated a 65xx chip in Z80, as used for the ... get some of the Z80-based games running under ... you'd need to write hand-optimised Z80 to stand a chance ... -
MAME on the Spectrum?Yes, I know it's currently AY's job to make ludicrous posts (a position he's filling in very well, until TKRAP returns), but just out of interest, if…
... differences are enough to make it much harder to support.
to write hand-optimised Z80 to stand a chance of ... code is an excellent reference to how the original hardware works ... on the arcade to 6x6 on the SAM to fit everything vertically ... -
MAME on the Spectrum?Yes, I know it's currently AY's job to make ludicrous posts (a position he's filling in very well, until TKRAP returns), but just out of interest, if…
... task for 3.5 MHz Z80.
[/QUOTE]
OK ... , making it slower on a Z80 to emulate it on full speed ... -
Z80 vs. 8080.[QUOTE=obo]... because 8080 is pretty much just a cut down Z80.[/QUOTE] Really? So what's been cut, and why? Hang on, didn't the 808 evolve from the…
... /> (maybe you could adapt a Z80 to fit in one of the ... earliest PCs...)[/QUOTE]
Z80 is actually improved 8080. Saying ... that 8080 is cut Z80 is misleading.
But ... -
Z80 vs. 8080.[QUOTE=obo]... because 8080 is pretty much just a cut down Z80.[/QUOTE] Really? So what's been cut, and why? Hang on, didn't the 808 evolve from the…
... /> (maybe you could adapt a Z80 to fit in one of the ... with the 8080 (and hence Z80.) Although they did share the ... 't do anything particularly fancy to work once you'd run ... -
Disk file transfer utilities ?Are there some PC programs for transferring Speccy software between common emulator formats like TAP to disks or disk images? I mean here about +3 f…
... working on a program made to read real physical [B]OPUS ... , but also allows the user to read BASIC programs, look at ... is done. Some [B]saving to TAP and printing[/B] is yet ... to be included.
This ... -
Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... my copy of Programming the Z80 to remind myself of EXX. It ... -
Sintech titles no longer denienced!8 years after the initial denience ( June 1998 ), the 3 Ultrasoft titles that [URL="http://www.worldofspectrum.org/infoseekpub.cgi?regexp=Sintech"]Si…
ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…
... have it assembler/compile/import to wherever you specify?
[/ ... lot easier than converting block to TAP. Now, what if I want ... , he can open TAP, save the file, close TAP, just like in ... stuations. It's not meant to ideally emulate sequential tape system ...ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…
... loading a block of data to specific address inside the emulator ... that. Just a magic string to identify the file)
0x07 ... anything (even on a Z80) to parse or to write.
One ... should we handle (eg) writing to a 128K RAM bank which ...ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…
... it could be usefull not to block it - so when i ... do 1 FOR X=1 TO 5 : LOAD "" CODE : NEXT X ... blocks? How do I "rewind" to start from code block 1 ... example, I save five block to .tap. My prog loads four, then ...ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…
... hardware convert back into .tap style header/body so the ... you and spits out a .tap!
D.[/QUOTE]
TAP in the same way, ... that each modification leads to *.tap->*.bin->edit-& ... gt;*.bin->*.tap. Instead of mere editing ...ZXLFN - storing tape header in a long file nameHi lads ;) Couple of months ago, the group of guys interested in divIDE software development has came up with an interesting idea - store tape heade…
... br /> The current ability to select arbitrary TAP from the disk browser ... simplify that just to "TAP open - search in TAP, TAP closed - search ... user would have to close the TAP explicitly using NMI menu ... filesystem mode' - append to a TAP file if one is ...rubber troublejus got 48K rubber speccy into my possesion, which was my first computer back then but only for few months before daddy decided to upgrade it for 48+…
... Take two wires, solder one to the top wire end of ... C27, the other wire to the bottom. Wire a ... push button switch (similar to the ones used in the ... Multiface) to the other ends of these ... the reset line of the Z80 to ground when the button is ...for a stupid: what?s NMI?erhm, yes, I?m not familiar with it... :rolleyes: I know the function of a hardware ?snapshot? button from Didaktik M/Kompakt, but I?m not familiar…
... means it will cause the Z80 to do its dirty [B ... PC[/B] register is saved to stack,
[*][B] ... /> [*]A jump is made to [B]$0066[/B]
... to restore the [B]IFF[/B] flip-flops (these tell the Z80 ... whether to accept an ordinary maskable ...for a stupid: what?s NMI?erhm, yes, I?m not familiar with it... :rolleyes: I know the function of a hardware ?snapshot? button from Didaktik M/Kompakt, but I?m not familiar…
... otherwise, but did not bother to search... :o
[/QUOTE]
to hold /NMI low after the ... not be retriggered. Compare this to the usual interrupt routine.
z80 to relinquish the bus and go ...SupadriveHere's an MDR image of Supadrive. Works with Spectaculator, but I haven't tested it with any other emulators. [url="http://www.superfudge.demon.co.u…
... br /> We convert the TZX to TAP format with tzx2tap (or you ... br />
ZXTape Utilities - TZX to TAP Converter v0.11b
TAP, which we convert to 000 file format :-< ... br />
Converting file: MM.TAP (length 138023 bytes)
0 ...z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
I didn't want to open a new thread, so ... one (question doesn't refer to previous posts).
I ... />
I compiled it, converted to TAP, and loaded it in emulator ... I don't know how to do is convert basic comand ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... the computer literate. They wanted to learn about computing and that ... 6502 was very fast compared to the Z80. I've programmed both ... it takes almost a 4MHz Z80 to match a 1MHz 6502.
to translate to another platform. But the ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... 6502 was very fast compared to the Z80. I've programmed both ... it takes almost a 4MHz Z80 to match a 1MHz 6502.[/quote ... , but that does seem unlikely to me. Otherwise why were 3D ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... was very fast compared to the Z80. I've programmed both ... takes almost a 4MHz Z80 to match a 1MHz 6502. ... but that does seem unlikely to me. Otherwise why were ... seen any code samples to back it up. You ... shorter instruction times due to the internal clock doubling ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... was very fast compared to the Z80. I've programmed ... takes almost a 4MHz Z80 to match a 1MHz 6502 ... />
To be fair, the Z80 can handle 16 bit ... br /> The ZWorld Rabbit Z80 like CPUs are even ... fixed major shortcommings in the Z80 instruction set.
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... 6502 was very fast compared to the Z80. I've programmed both ... it takes almost a 4MHz Z80 to match a 1MHz 6502.
to write *good* z80 code than *good* 6502 ... good performance out of the z80 requires:
* being intimate ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... instruction set to make it easier to program on and to make code ... /> [/quote]
FYI, the z80 was not microcoded. Most of ... can see how fast the Z80 could have been with technology ... there in the z80 to make it easy to interface to typical RAM timing ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... than the 2 the z80 requires. In the ez80 ... in the z80 to make it easy to interface to typical RAM ... an instruction fetch on the z80. This saves 1 cycle ... cycle periodically. Since the z80 generated far more refresh cycles ... (from 5 on the z80 to 3 on the z180).
