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Pro life or Pro ChoiceSo, in light of my current 'situation' I thought I would get the Speccy communities thoughts on this subject.. Are you Pro life or Pro Choice and wh…
... see outside of clinics waving flags and throwing red paint, actually ... -
Pro life or Pro ChoiceSo, in light of my current 'situation' I thought I would get the Speccy communities thoughts on this subject.. Are you Pro life or Pro Choice and wh…
... see outside of clinics waving flags and throwing red paint, actually ... -
Fuse for Mac OS X beta releasesA beta version of Fuse for Mac OS X has been released at the dedicated sourceforge project: [url]http://sourceforge.net/projects/fuse-for-macosx/[/u…
... , Mark Woodmass).
[*] Fix undocumented flags after BIT n,(IX+d ... -
ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... over the part about attribute flags, so I'll copy it ... " inside. These are the attribute flags, and make BASin's Paintbox ... attributes painted, all three "PBF" flags can be disabled. This effect ... -
Bizarre stuff in Interface 1's shadow ROMAccording to the Complete Shadow ROM disassembly, the function that exits back to the BASIC interpreter after interpreting IF1 commands is this: [co…
... ]But...but...but - BIT 7, (FLAGS) is not a valid Z80 ... -
Bizarre stuff in Interface 1's shadow ROMAccording to the Complete Shadow ROM disassembly, the function that exits back to the BASIC interpreter after interpreting IF1 commands is this: [co…
... /> But...but...but - BIT 7, (FLAGS) is not a valid Z80 ... -
Spectrum Ethernet update...in which a toastrack 128K machine prods a machine outside of my LAN for the first time. [url]http://spectrum.alioth.net/doc/index.php/Current_eve…
The new GP2Xpectrum releases threadYeah, I know the thread title isn't exactly too original, but I've decided that just one post to hold all updates makes more sense than a lot of smal…
... back when I fixed all flags. I hope I got everything ...Emulator accuracy test?When I first created my emulator it worked fine. But then I found one or two games that had odd quirks. Eventually I found the flag or command that w…
... and check that all the flags and results are correct. It ... it would itself be altering flags - maybe set a screen memory ... it's quite good for flags:
[url]http://mdfs.net ...Emulator accuracy test?When I first created my emulator it worked fine. But then I found one or two games that had odd quirks. Eventually I found the flag or command that w…
... argument, with all combinations of flags. And then you might be ...Emulator accuracy test?When I first created my emulator it worked fine. But then I found one or two games that had odd quirks. Eventually I found the flag or command that w…
... the relocation problems and the SCF/CCF undocumented behaviour. Read the ...TommyGun 0.9.x updates** Should be available via the utilities page soon! Please be patient :-) ** I'll be posting all future updates in this thread, instead of creating …
... /> * Would you like additional output flags added to the output? eg ...IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …
... header
XOR A
SCF
CALL $0556 ;load ... /> LD A,$FF
SCF
CALL $0556 ;load ... br /> LD A,$FF
SCF
CALL $0556
...
XOR A
SCF
CALL $0556 ;load ... br /> LD A,$FF
SCF
CALL $0556
...48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... if setting bit 4 of FLAGS (system variable at address $5C3B ...48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... if setting bit 4 of FLAGS (system variable at address $5C3B ...ANN: SpecEmu 2.7Go get it kids! [url]http://homepage.ntlworld.com/mark.woodmass/specemu.html[/url] :p
... here and there in Z80 flags and contention
- Makes [URL ...Bit 3 And Bit 5 Of The Flag RegisterHi, I know that bits 3 and 5 are "undocumented" but does anyone know where I can find data on how they are handled? For instance, it would seem th…
... group have found how the flags are
effected. Phil might ...Bit 3 And Bit 5 Of The Flag RegisterHi, I know that bits 3 and 5 are "undocumented" but does anyone know where I can find data on how they are handled? For instance, it would seem th…
... instruction that changed the usual flags. This is buried in either ...Bit 3 And Bit 5 Of The Flag RegisterHi, I know that bits 3 and 5 are "undocumented" but does anyone know where I can find data on how they are handled? For instance, it would seem th…
... sets bit 3 of the flags register to the same value ...Integer RangesOK, I need a little help clarifying something. I am making good progress with the emulator so far - I've emulated most ADD, INC, DEC commands (as we…
... the carry and/or overflow flags get set here depends on ...Overflow Flag QuestionHello all, After a long hiatus (lost all code when my MacBook was stolen) i've gone back to the drawing board and am writing a Z80 emulator in REALb…
... Fuse does. Ignoring the other flags:
F &= ~FLAG_V ...oh my the old days :)programming on the speccy again here is a routine i remember of the top of my head to load screens or code without a header wow 5 Clear 27999 : Re…
... ; 28007 62 255 7ts
scf ; 28009 55 4ts
call ...The official Doctor Who threadOH MY GOD! I did [b]NOT[/b] see that coming at the end of the episode!
... be OR A (to force flags), not XOR A!
Damn ...Bit 3 And Bit 5 Of The Flag RegisterHi, I know that bits 3 and 5 are "undocumented" but does anyone know where I can find data on how they are handled? For instance, it would seem th…
... sets bit 3 of the flags register to the same value ...RET cc QuestionHi, I'm trying to emulate the RET cc instruction at the moment but I'm not sure what the following 2 conditions are: RET P RET M When are these co…
RET M - When bit 7 of Flags register is 0
RET P - When bit 7 of Flags register is 1RET cc QuestionHi, I'm trying to emulate the RET cc instruction at the moment but I'm not sure what the following 2 conditions are: RET P RET M When are these co…
InterruptsI need help emulating interrupts. My z80 core currently emulates all un-prefixed opcodes and the CB opcodes. I thought I would start on emulating co…
... implement the IFF1 and IFF2 flags to get the correct NMI ...16-Bit Binary MathsHi, I'm trying to figure a few things out regarding 16-bit maths (SBC HL, ss in particular). regHL is an UInt16 (unsigned 16-bit integer) in my emu…
... tables to sort out the flags. It's a rather nifty ...'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... I couldn't get that flags thing to work for some ...