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same game diffrent versionwhich games have diffrent versions of the same game
[QUOTE=csmith;574483]Cobra had two versions, and it ... , then his gun, them the cobra logo etc). My friends copy ... -released when Amstrad broke the floating bus.....[/QUOTE]
Was the ... -
same game diffrent versionwhich games have diffrent versions of the same game
[QUOTE=csmith;574483]Cobra had two versions, and it ... , then his gun, them the cobra logo etc). My friends copy ... the floating bus.....[/QUOTE]
Yes, I had read somewhere that Cobra ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... =R-Tape;627724]Looking at Cobra I notice there is some ... screen updates are structured in Cobra:
0. The beginning ... of a delay routine. Cobra uses the floating bus reads but it can ... -
Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... screen updates are structured in Cobra:
0. The ... of a delay routine. Cobra uses the floating bus reads but it can ... my current understanding of the floating bus :-D
[IMG]http ... photobucket.com/albums/n608/daveyboyhughes/bus-1.jpg[/IMG] -
Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …
... you plan to leave the floating bus synchronization in like in the ... is the method used in Cobra).
2. It's ... -
ROM replacement using 28C256 EEPROMThought I'd share a quick project I knocked up in order to use a 28C256 EEPROM in place of the standard 23128 ROM in the Spectrum. The connections a…
... tape loading works fine
[*]Floating bus operation isn't affected (Aquaplane ... refuse to work at all (Cobra).
[/LIST]
So I ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... .[/quote]
Right. Using the floating bus as a way of syncing ... , neither the quirky +2A/+3 bus behavior, nor the “standard” 48K ... yet another approach in [i]Cobra[/i]. He used a much ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... /+3 machines have a floating bus, and figured out how ... games such as [i]Cobra[/i], [i]Short Circuit ... game to use the floating bus on [i]all[/i ... :D
The floating bus on the +2A/+3 behaves ... . . 4093)
2. The bus always returns $FF if bit ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... we’ve tackled down the floating bus nitty-gritty on the +2A ... for an enhanced version of Cobra, but if anyone is up ... -
Loadsa bullets on screen (silkworm)Did games like silkworm just draw everything to the screen or did they have complicated optimisations? and the types of games where sprites can occu…
... vertical positions). [i]Cobra[/i] uses the floating bus trick to sync to ... -
Vega Spectrum KeymapsHi everybody, I am new on here, so apologise if this is int the wrong category. I have searched the forums and can find some keymaps for the vega …
... Vega doesn’t emulate the floating bus on the Spectrum, so my ... Spectrum games, e.g. [i]Cobra[/i], [i]Arkanoid[/i], [i ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... like Cobra. In my case I am waiting until the Floating Bus hits ... using the method as in Cobra to pop 8 bytes from ... -
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…
... "].TAP corrected files for [i]Cobra[/i][/quote]
Nice ... /cobra-ocean-software-1986.html]my fix[/url] that removes the floating bus ... -
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…
... /cobra-ocean-software-1986.html]my fix[/url] that removes the floating bus ... -
ZX Spectrum rescued from a friend, has Issues.Hi guys, I've recovered this ZX spectrum 48K from a friend. It's a 1984 ISSUE 6A. He told me the last time it was turned on was about 30 years ago!.…
... uses the floating bus for syncing. Try the original [i]Cobra[/i] release ... games that use the floating bus:
[i]Cobra[/i] (1986)
floating bus. It even has a special ... -
ZX Spectrum rescued from a friend, has Issues.Hi guys, I've recovered this ZX spectrum 48K from a friend. It's a 1984 ISSUE 6A. He told me the last time it was turned on was about 30 years ago!.…
... uses the floating bus for syncing. Try the original [i]Cobra[/i] ... games that use the floating bus:
[i]Cobra[/i] (1986)
floating bus. It even has a ... adding AST_A_Moore!! Yes, indeed COBRA is crashing just after the ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... though (and he used floating bus in Cobra to start drawing before the ... -
SPIN Public Beta 0.1b Available for downloadHi all, back again, and as just recently announced on CSS, SPIN has been updated. Here's the post to CSS (or the relevant parts): It's been a bu…
... /> Added ULA Snow effect, and Floating bus based on RamSoft's technical ... -
ANN: Spectaculator 2.5 available for downloadHi. I've just released a new version of Spectaculator, available from [url="http://www.spectaculator.com/"]http://www.spectaculator.com/[/url]. Hopef…
... />
Emulation
- Floating bus emulation as per Ramsoft technical ... -
Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…
... /> Hardware quirks such as the 'floating bus' effect will also be absent ... -
ANNOUNCE: Fuse for Mac OS X 0.7.0Following the release of Fuse 0.7.0 is the unsurprising release of Fuse for Mac OS X 0.7.0 which should be available for download shortly at the Fuse…
... /> + Much improved contended memory and floating bus emulation.
+ Improved display timings ... -
(Belated) ANNOUNCE: Fuse 0.7.0 and libspectrum 0.2.2 releasedThe Fuse team is pleased to announce that release of Fuse 0.7.0, the associated utilities and version 0.2.2 of the Spectrum emulator support library,…
... /> + Much improved contended memory and floating bus emulation.
+ Improved display timings ... -
ANN: SpecEmu 2.3 - Minor UpdateHere's a minor update to the SpecEmu emulator - the emulator with an incredibly small filesize for a Win32 application, and backed up with an incredi…
... opcode contention timings.
- Improved floating bus emulation.
- A 1 cycle ... -
A few questions regarding EmuZwinA few questions regarding EmuzWin 1. I have been trying to write a program to generate multicolour effects on the Spectrum,ie more than 2 attributes…
... works ok.
4. Floating Bus implementation. I use this to ... -
A few questions regarding EmuZwinI had posted this in the development forum and then remembered there was an emulators forum, so apologies for the repetition. 1. I have been trying …
... works ok.
4. Floating Bus implementation. I use this to ... -
Problems with games on +2AHi! I have a +2A now and have problems running some games on it. I tought the resistor fix (to give it some kind of "floating bus" as the original 4…
... give it some kind of "floating bus" as the original 48k and ... -
Hardware GuideI was thinking this might make a good sticky... [b]Service Manuals[/b] [URL="ftp://ftp.worldofspectrum.org/pub/sinclair/technical-docs/ZXSpectrum48K…
... /floatingbus.html"]The Floating Bus Explained[/URL] -Info about the Floating Bus and the ... -
Fuse 0.8.0.1 releasedI have just uploaded version 0.8.0.1 of the [url=http://fuse-emulator.sourceforge.net/]Free Unix Spectrum Emulator[/url] to SourceForge and WoS, wher…
... />
* Fix IN timings and floating bus behaviour.
* Fix widget UI ... -
Fuse for Mac OS X 0.8.0.1A bug fix version of Fuse for Mac OS X has been released soon or already here at WoS and at the dedicated sourceforge project: [url]http://sourcefor…
... ]
[*] Fix IN timings and floating bus behaviour.
[*] Fix crash if ... -
RUSSIAN SOFTWARE and real ZXRussian ZX games is writed on russian ZX clones and support hardware feature TURBO OFF ( for ZX clone ZS SCORPION ). Russian ZX clone ZS SCORPION use…
... and CPU read data from floating bus ( value #FF ). Software TURBO switching ... will ZX crash (data from floating bus is writed to paging port ... to paging port data from floating bus (can't be use)
floating bus (can't be use)
