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Sprites masterclassHi All, You guys are probably tired of explaining sprites but I'd like to clarify a few things if possible. I've sorted the vertical aspect of scro…
... ,demo_bank1
call demoa2
halt
ld hl,demo_bank2
call demoa2
halt
jr demoa1
;
Damaged Tapes?I have a bunch of spectrum tapes that I'd like to convert to emulator formats. I tried copying one or two, first as MP3s and then using a couple of d…
... tapes that ground to a halt when I tried to play ...That minigame at the start of EurekaDoes anyone else think that minigame thing you have to play before you get into Eureka is really annoying? I've had it for years but I haven't played…
... lot! This POKE removes the HALT instruction and makes the game ...Any folks with a mechanical mind on here...?I need some advice about my motor. I drive a 1.8 VVT-i Toyota Avensis T4, 53 plate. It's one of them engines that over-revs when you start it to wa…
... the car came to a halt...[/QUOTE]
That's the ...What web browser?Hi Guys What browser are you using on your laptop/pc? Is it still a case of either I.E or Firefox or have some people moved on to Google Chrome or so…
IE, it's as good as FireFox without being resource greedy and eventually coming to a halt.What web browser?Hi Guys What browser are you using on your laptop/pc? Is it still a case of either I.E or Firefox or have some people moved on to Google Chrome or so…
I'm currently getting used to Chrome (previously an avid FireFox user), it's as good as Ff without being resource greedy and eventually coming to a halt like IE.What web browser?Hi Guys What browser are you using on your laptop/pc? Is it still a case of either I.E or Firefox or have some people moved on to Google Chrome or so…
... and eventually coming to a halt.[/QUOTE]
people say that ...Octode - new eight channel beeper music engineYes, another one. This engine provides eight channels of tone, without volume or decays, and with small pauses between rows, so it is Wham-like. It a…
Octode - new eight channel beeper music engineYes, another one. This engine provides eight channels of tone, without volume or decays, and with small pauses between rows, so it is Wham-like. It a…
Is ZX80 really "Z80 only"?The Spectrum has ULA to generate video display. Does the ZX 80 have any kind of processing chips apart from Z80? How is the video display generated o…
... instructions - until there's a HALT at the end of the ...Zetr0's Catchup Time (hardware / software)Hello there my fellow ZX'ers I have been soaking myself into the "world of spectrum" and more I do, the more I realize I have to play catchup.... a …
... .info/#BASICS_INST[/url]
Z80 opcode information, what they do, which ...Recommend a dev environmentIt's been a while since I last wrote any Z80 assembler - must be over 20 years, and since I wrote any spectrum Z80 assembler more like 25 years. I n…
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... only grinds things to a halt; I can only see these ...Assembly help: EQUCan anyone explain in duffers language the purpose of the EQU term in assembly? I found this info in another thread: EQU: Equate a name to a specif…
...
MyName .EQU 1000
HALT[/B]
and
MyName .WORD 1000
HALT[/B]
With EQU ... ]LD HL,1000.[/B]The HALT istruction will appear at address ... contains the number 1000, so HALT will appear at adress [B ...writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
And 255I've had a good think and I'm pretty certain of this: Surely, surely there can't be a use for this command: 'AND 255'. Please tell me I'm right! (…
[QUOTE=Hercules;535620]REM
..because it isn't a command (as it's not executed when running a basic program). It is just used for leaving remarks in a basic program.
:)[/QUOTE]
Unfortunately not a Z80 opcode...And 255I've had a good think and I'm pretty certain of this: Surely, surely there can't be a use for this command: 'AND 255'. Please tell me I'm right! (…
[QUOTE=karingal;535626]Unfortunately not a Z80 opcode...[/QUOTE]
Indeedy. But AND is also used in ZX Basic, so maybe that why I got confused reading the post :lol:And 255I've had a good think and I'm pretty certain of this: Surely, surely there can't be a use for this command: 'AND 255'. Please tell me I'm right! (…
... commands are useless. Even DI:HALT has more use (To hang ...
