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Copy interface ROM content to RamHi all, I have a very rare logitec centronics and disc interface. To save its ROM content I would like to copy it Ram and store it somewhere. How ca…
... I do this? Small MC routine to copy from Ram area ... -
Channels and streamsSo I've put some thought into channels and streams, and read the dead (and presumably rotting corpse) of the CSS FAQ which contains some information …
... -in and the appropriate routine to be called. Is ... what the ZX CLEAR routine does to reserve some ... (really, with the output routine for a socket) to ... A channel's output routine is expected to output ... encountered, or the input routine is called (for example, ... -
Need Help - VideoOK, I have finally (nearly) finished my Z80 core! It's been a flipping long slog but I have now emulated (almost) all commands including a lot of th…
... the undocumented ones EXCEPT the HALT, IN and OUT commands. My ... -
Any BBC aware Specchums out there?After the UK101 and VIC20 emulators I've moved my sights onto emulating a BBC computer. This emulator will be different though in that it will be a Z…
... . Does anybody have a windowing routine "they made earlier"? The windows ... . Does anybody have a fill routine which can fill with an ... pattern? I also need a routine which can draw a dotted ... -
128 ROM paging alternativeWould this work (with the appropriate code in each ROM)? [code] ; 128 rom paging routine ; use rst 28h with call address stored after restart ;;rom…
... /> [code]
; 128 rom paging routine
; use rst 28h with ... in rom1 of the return routine
push de ; ...
ret ; call the required routine
; ret ; the ret ... at the end of the routine will be to
; back_to_r0 ... -
Spectrum Ethernet updateWell for those of you who don't follow the news section on the project page, here's a quick update...and a request. Development has slowed a bit, si…
BEEP conundrumFor the "CSSCGC 2008 Tape Magazine" December edition, I have decided to use a BASIC sound routine I wrote last year which plays a festive tune using …
... to use a BASIC sound routine I wrote last year which ... modify the already implemented BASIC routine.
Thanks for any ...2 tone beeperAny1 knows about the sound engine that's used by hyndra , pinball 3d ,peking. its a 2 tone beeper sound routine. is it copyrighted ?
Any1 knows about the sound engine that's used by hyndra , pinball 3d ,peking.
its a 2 tone beeper sound routine.
is it copyrighted ?Spectranet now supports UTF-8!Or at least, a subset of it - all of the 0xC3 characters, and a few 0xC2 characters (?, ?, ? and ?) in its putchar42 routine (the 6x8 character cell …
... characters (?, ?, ? and ?) in its putchar42 routine (the 6x8 character cell print ... routine). Here's a pic of ...Computer & Video Games Book of Adventure, TheBelow is the spectrum listing from the "[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000078"]Computer & Video Games Book of Adventure, The…
Below is the spectrum listing from the "[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000078"]Computer & Video Games Book of Adventure, The[/URL]" book.
I've had to add line 2 as there was a GO SUB 2 in the rest of the listing & ...!!! Trdos Emulation On Zx !!![B]This is software emulator of TRDOS(betadisk). Yet is writed only for interface MB02+, but will ported to more other IDE interfaces with external r…
... replaced by JP EMUL. Emulation routine use software filter that detect ... FDC controller. And low level routine read/write trdos sector from ...RGB on speccy ?hi, just a question : are you aware of scene demo trying emulate rgb ? i was a bit ill last few days so laying in bad i come with a (stupid ?) idea.…
... /> 1) assume we have multicolor routine which sets ink in each ...Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…
... ram? The way the loading routine would load the data would ... party. :)
The loading routine would always load the data ...Design Design loader revisited[B]Fixed the .zip files[/B] Hopefully I have posted in the correct forum. I mentioned a while back that I had dissassembled and documented the old …
... knocked together a compatable save routine[/B]
It also ...So... you want to format your 3.5" as 720K eh?Well, i've been trying to get hold of an application to make proper use of my 3.5" +3 floppy disks but i haven't been able to find any. I stumbled up…
... up with this small format routine. This is not Cristian' ... ; This is the 720k format routine
FOR2 LD IX,HEAD0 ... FERR ; Jump to the error routine in case of any disk ... with IY containing the +3DOS routine to be called
...BASin r14d - Final bugfix for the r14 seriesOk, there's not a great deal to "show" here, as most of the work has been going on "under the hood" so to speak. And there's been a [i]lot[/i] of wor…
... USR 7962, the "free RAM" routine), would time out or give ...New for 2009 - mc onelinersI found the limit of one line and one screen's worth of program really useful in (re-)learning BASIC, so I've decided to carry the format over into m…
... bc ;save score
;wait routine
ld bc,$1fff ;max ...So you want to make a cardgame......but you haven't got a good deck to display. Well here is a fully relocatable routine that will do the job for you. Place the code anywhere in me…
... here is a fully relocatable routine that will do the job ... /> Some ways to call the routine:
LET A$="QH": PRINT ...Keyboard routinesI'll ask here first - since this must be a long-ago solved problem, and hopefully I can avoid re-inventing the wheel... I need a keyboard routine th…
... />
I need a keyboard routine that returns the ASCII value ...What Poke?Hi all, I'm looking for a POKE that stops Sinclair BASIC reading the space bar as BREAK for a small INKEY$ sub routine, if one exists? Or is it a li…
Hi all,
I'm looking for a POKE that stops Sinclair BASIC reading the space bar as BREAK for a small INKEY$ sub routine, if one exists? Or is it a little more complicated than that?
Regards,
Shaun.Questions about registers, stack, etc.I was told that if I wanted to export code and create unprotected versions of games I should do the following: 1-Find the starting address by using …
... -Create a small machine code routine that will set everything according ... necessary and execute the mc routine described in step 5
Analogue BeeperThere's been a discussion on foro.speccy.org about multichannel beeper stuff, and since I had the camera out and the scope set up, I set about demons…
... a small (rather nasty) assembly routine I wrote that builds a ...Thinking in Assembly (first efforts)The following is one small routine to educate myself on a few concepts (jumps, flow control, routines, CPI): [code]searchmem xor a …
The following is one small routine to educate myself on a ...IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…
Keyboard Input$/scan problemHi, I'm finally fulfilling my promise to get a reasonable understanding of the Speccy and embarking upon attempting a few simple routines in Assembl…
... listing below is of a routine that changes border colour based ... '!
With the altered routine running, I then noticed that ...Outlandish claims on Spectrum games adverts!I was flicking through The 'CRASH' Xmas special today (yes, I was on the loo at the time) from 1984/85 and it made me giggle some of the claims softw…
... Spectrum:
"Superb scrolling routine, described by experts as one ...ML routines from BASICCan anyone tell me which registers should be saved and restored when calling a ML routine from BASIC? How can one know which registers are modified …
Can anyone tell me which registers should be saved and restored when calling a ML routine from BASIC?
How can one know which registers are modified inside a system routine?
Should the stack be also changed?
