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Zero 0.5 ReleasedAfter a bit of a hiatus, the next update of Zero is now available [URL="www.ramtop.wordpress.com"]here[/URL]. Feedback and bug-reports appreciated! …
... on startup by turning on the feature via Options.
+ On ... To address. Clicking on the register values on the right panel also ... Added options to break on interrupt and re-triggered interrupt ... /> - Fixed timing for EX (SP), HL/IX/IY instructions (Woody ... -
Adding a pause key to ArkanoidHaving rediscovered the simple pleasure of playing 1980s games on genuine 1980s hardware, I've also remembered that emulation can provide a feature m…
... pleasure of playing 1980s games on genuine 1980s hardware, I ... I put a breakpoint on 0x84C5 and started a ... we put it? The printer buffer at 0x5B00 is full of ... .
Hang on, what's this right near ... the game with a breakpoint on 0x8000, its entry point. ... -
New Game (2016 revival): A Yankee in Iraq (1992)Hello everyone, Way back in 1992, I wrote a shoot-em-up called [i]A Yankee in Iraq[/i]. The entire game was written in Sinclair BASIC. Recently, I…
... and some beginner’s tips on loading BASIC using machine code ... the game loads and works on real hardware.
[ ... front-mounted gun. Drop bombs on ground missile launchers and avoid ... no printer buffer in 128K mode. However, the game will crash on a ... -
Z80onDSK now compatible with +3e with ZXMMC or similarJust updated my utility to work on Spectrums equipped with +3e ROMs and IDE storage. I've tested this with ZXMMC at the moment but don't think there …
... my utility to work on Spectrums equipped with +3e ... & 128k 2nd file visible on disk
║ default is ... of zeros
║ in printer buffer, if no space exists program ... ║ 2: force 48k + paging. Works on 128k & 48k snapshots. Only ... -
Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... ,
then there's the PRINTER BUFFER!!!
Then system variables as ... maps, etc. etc.
On the +2 manual, page190, part ... area is occupied by the printer buffer in 48K mode, and by ... mode. I wonder where the printer buffer was in 128K mode. -
Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
There is no Printer Buffer at all on the 128K Spectrum which is ... command doesn't use the Printer Buffer but a bug in the ... original ROM caused the printer buffer to be cleared at the ... this idea of a transient printer buffer in the 'Sea Change' ROM ... -
Memory usageBrowsing the online documentation for the Spectrum I came across a peculiar discrepency. As we all know the start of the RAM is at 16384 which is whe…
... thing which, IIRC, uses the printer buffer area to do things that ... figure out what is going on in this snap?
games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…
... put a cut-down version on my website for free later ... definitely be a demonstration game on there as soon as I ... the 256 bytes in the printer buffer.
As for a ...Assemblers / Compilersfor the +2a .. where can i find one? .. and where can i find documents on the registers and so on? .. thanks Stefan
... result the printer buffer is not set to white ink on blue paper ...Java EmulatorsOk, Im not having a good time of it here. Im trying to get a java emu on my site so people can play the games online. Ive tried Jasper Java Emu, and…
... say it does not work on this site either.
The ... stack pointer is in the printer buffer close to code but non ...Microdrive questionI bought a microdrive and interface 1 this weekend and was thrilled to get it to work yesterday evening. I managed to format a cartridge and save som…
... interface 1, microdrives and the printer a wee while ago.
stays on for a second after it ... /> I think there are docs on here in the archive that ...Mess around with basicIf you have a game that was written in basic, e.g Football Manager, how do you look at the code that was used? thanks
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On 2006-01-18 22:44, ... routine.
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On a slightly different note, but ... SE Basic that I work on. As I see it if ... 128k method (which destroys the printer buffer) is less than perfect. I ...Games that crash because of contended memory.I find these are really annoying. You load up a game like Astro Marine Corps, Fantasy World Dizzy, Dizzy: Prince Of The Yolkfolk and so on (the init…
[quote]
On 2006-03-03 20:31, ... the games that used the printer buffer (23296-23551) for loaders.
Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... FLAGS b4 - Indicates 128K mode on Spectrum 128.
&5C3C ... /> &5C6A FLAGS2 b1 - was "Printer buffer not empty"
&5C71 ...CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…
... Vickers pointed this out himself on his only visit to css ...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…
... files) than any other keyboard on any computer (C64, Acorn Electron ... the home programming boom was on the decline, as evidenced by ... is immediately followed by the printer buffer and the system variables in ... example, and see lots of on screen colour, and look at ...The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
... games that use the printer buffer area, to run on my +3. I ...Dead Spectrum diagnosis and desolderingI have two dead Spectrums - one I'm pretty sure is caused by bad memory, and the other - well, perhaps a bad ROM, perhaps a bad CPU (it gets halfway …
... from the socket and power on the machine. If the ... ll see vertical flashing stripes on the screen. Pressing reset button ... and bytes position will depend on random SP register contents at the moment ... any surface mounted parts on your board). On my previous job i ...Total amount of memory on a Speccy ?I wonder............ The C64 (excuse me for saying that name in here. I'll hereby name it just "it") has 64k, while only 38k, or so, is available f…
... - 23296 display colour
23296 - ?? Printer buffer
?? - ?? System memvars
?? - 65535 ... 23296 to avoid running code on the screen.
I ...My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... white on blue which is why the first byte of the printer buffer ...My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... white on blue which is why the first byte of the printer buffer ...My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... white on blue which is why the first byte of the printer buffer ...Help hacking Split PersonalitiesI`ve been hacking away at Split Personalities for the purpose of putting new screens and graphics (items). The current screen is at 41187 and is 160…
... on the +3 to load games from disc that used the printer buffer ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... pixel (been done already but on a buffer), read the next display ... 't even need the fat printer at all for this with ...Input/Output on Edge ConnectorI would like to sense a pulse on the data bus via the edge connector, i.e. on or off. How do you decide what port it is on? I would also like to send…
... when the data is output on the port.
register appears on the data bus, D0 ... a relatively simple add-on board for the Spectrum ... OUT (0x3F), A instructions on 8 separate outputs. Look ... will need a tristate buffer whose enable pin is ...Channel redirectionHi! I need help regarding the following problem. I want a BASIC decoder running on Spectrum, written in assembler. I found the great *LIST routine […
... want a BASIC decoder running on Spectrum, written in assembler. ... This routine prints the listing on the channel 2, the screen ... 3's output from the printer buffer. You would do this ... Also, the printer buffer is a bitmap buffer, not a character buffer. It doesn ...Wrong File Type, 0:1Ive gone thru an entire transform box full (20) of cartridges containing spectrum games that i wrestled off bay last year, yet not a single one will …
... routines are copied to the printer buffer
CALL $386D - page in ... back. It will be based on the SNA snapshot format, but ...
