-
ZXS to TAP conversion......for the DOS illiterate. Basically I've saved a BASIC program in ZXS format. I need to convert it to TAP (I think), because it's so large it needs…
... games CD...
[code]
File .ZXS:
... above:
0 - length of halfperiod of "0" in 3.5 MHz ... /> A - pause presiding parts in millisec
O - pause after parts
0 if not used.
[/code] -
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…
... br /> [CODE] 10 CLEAR 27999
20 BORDER 0: PAPER 0: INK 7 ... 80 DATA 221,33,0,64,17,0,27,62,255,55 ... br /> 110 PAUSE 0[/CODE]
The machine code itself:
[CODE];
org ... br /> ret ; 28013 201 10ts[/CODE]
You can ... -
How to run assembled code in emu?Sorry for the complete newbie question, but I can't figure this out anywhere. I've assembled a very simple program using z80asm on linux. Now I hav…
[QUOTE=aowen;285738]Although remember to CLEAR the RAMTOP in BASIC before loading.[/QUOTE]
And if emulating a 128K machine, make sure the correct memory is paged in if you don't get the option (typing PAUSE 0 will do). -
Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... the trick of placing machine code into screen RAM in order to maximize ... quick check in the debugger reveals that the machine stack has also ... 't used to hide the machine code like many other programs do ... grabbed from the newer v2.0 of the program. -
'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…
... /orange.gif[/IMG]
[code]
10 LET n=85 ... : FOR i=0 TO 7: POKE USR "a ... /> 20 FOR x=0 TO 31: FOR y=0 TO 21
50 PAUSE 0
[/code][/QUOTE]
fair ... [/url]) and you can see in the in-game screen that [b ... -
'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…
... undoubtedly be eliminated in a final program).
[code]
5 ... 4
200 PAUSE 0: GO SUB scr2: PAUSE 0: GO SUB scr1: ... n
9060 RETURN
[/code]
Explanation:
Lines ... into second screen (Very slow in BASIC - takes a few ... -
'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…
... t actually needed in BASIC!
[code]
5 ... br /> 30 LOAD !"scr"CODE 49152
50 CLS ...
200 PAUSE 0: POKE syspage,23: PAUSE 0: POKE syspage,31 ... GO TO 300
[/code]
To ... flipping.
In (m)anual mode, press ... -
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…
... MOVE 0,0: DRAW 1279,0: DRAW 0,1023: DRAW 1279,1023: DRAW 0,0 will ... inputted it calls OSWORD routine 0. I just trap these and ... OSFILE with an appropriate reason code. We can therefore trap these ... MOS calls. In short, if a BBC BASIC / machine code program runs " ... -
HELP: Installing FUSE on OpenSolarisDigital Prawn has made packages of Fuse 0.9.0 for OpenSolaris. I am still trying to get Fuse 0.10.x to compile under Solaris 10 U6.
... follows:-
[code]
Package License License path ... share/doc/libspectrum/COPYING
[/code]
Two ... 9/i386/fuse-emulator-0.9.0-3.fc9.i386.html ... to supply the source code on request in machine-readable form.
VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... br /> This one is written in 6502 Assembly language, using the ... , and then importing the machine code directly into Jimmy's ... /> ;Initialise COMMODE
LDA #0
STA COMMODE
CMP #0
BNE NO_COMMODEGEN
...Design Design / Crystal ComputingNice post on [URL="http://groups.google.com/group/comp.sys.sinclair/browse_thread/thread/56e6ebdedc6930ac#"]comp.sys.sinclair[/URL] about [URL="http:…
... reports undefined labels earlier in the source code, on lines that ... , this requires ld a,(ix+0)
(c) cure ... Allow support for case sensitivity in symbols. As an option, ... emulator. Couldn't it pause emulation while planting code?
( ...Changing the way SCREEN$ is loadedThe way the speccy loads in a SCREEN$ is interesting - top two-thirds first, then middle and finally the bottom, which is due to the way the speccy d…
... .
Assemble in Spin, and run with,
2 PAUSE 0
3 GOTO 1< ... undraws (?) the screen.
[code]
org 40000
...
drawline: ld a, 0 ; a = screen poke byte ... ; check if
cp 0 ; 8 lines drawn
...Just wrote my first useful working Speccy BASIC program in years...A nice UK National Lottery number generator. And not just any lotto number generator either. This one generates 8 lines of 6 numbers without replace…
... before pressing a key (PAUSE 0) and then running a RANDOMIZE ... shuffled numbers as start. In this way not only ... random but also the numbers in row.
... />
If t3 in both runs is the same ... are also the same in the current code.
However ...Just wrote my first useful working Speccy BASIC program in years...A nice UK National Lottery number generator. And not just any lotto number generator either. This one generates 8 lines of 6 numbers without replace…
... this like this in the current program
[code]
delete ... /> 160 RANDOMIZE
500 PAUSE 0
510 GO TO 150 ... -1
2040 RETURN
[/code]BASIC: Fast way of filling a string?Recently I decided to use string slicing to extract random numbers from a sequence in the one-liner Lottery picker: [quote] 20 RANDOMIZE : LET a$=""…
... ]POKE, that's like using machine code.[/quote]
No POKE ... changing BASIC-code.
Just try this in 48K without ... IF1
Enter
[code]
(changed line 1 in line 0, not possible to EDIT)ZX Spectrum (16K) sound/beepHi all, I think I'm in right place now, I've tried to find an answer how to generate two channel sound using ZX Spectrum 16K. Only think I've found …
... for music. Secondly, even machine code running in the bottom 16K of RAM ... to use the beeper routine in the ROM, which isn't ... ; this can even be done in BASIC with short BEEP commands ... of, say, 0.02 seconds. The result sounds ...ZX Spectrum (16K) sound/beepHi all, I think I'm in right place now, I've tried to find an answer how to generate two channel sound using ZX Spectrum 16K. Only think I've found …
... real Speccy which should arrive in this week, hopefully.
0.02 -> durations and ... if anyone knows a simple machine code routine to speaker on/off ... to find short simple short machine code snippet for speaker stuff).
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…
... wait until some sort of machine code routine or firmware update ... />
These are all machine code routines. z88dk is just a ... and assembler in projects. The new stdio is 100% machine code, as is ... .net/almacen/tcyr/SUVLEIR-1.0.zip[/url]
[ ...Watching screen while debugging???I'll try to state my problem clearly, but I don't know if I'll succeed ..:) I load a Spectrum program into emulator (it doesn't matter which one at …
... ), press pause and enter debugger. In debugger you can execute machine code instructions ( ... br />
Is it possible, in any emulator, to watch changes ... example if i have the code:
LD A, ... a short line will appear in the corner immediately after ...CSSCGC 2008 has now officially begunFor coming last in the 2007 crap game compo, I have the honour and privilege of hosting CSSCGC 2008! I have now put up the CSSCGC 2008 website at …
... independently BRIGHT 0 or BRIGHT 1. However, this requires machine code and precise ... by changing the ATTR byte in between the drawing of scanlines ...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…
... 's "Mastering Machine Code On Your ZX Spectrum" covers this in vast detail ... weekend if you like...), but in short, you need to shift ... or right to get it in the range 0.5MIA: Sir GawainAs previously announced, here's the release of Sir Gawain, a Microhobby type-in program. Included in the archive is the .TZX with the generated bina…
... : When a line is missing in a hex listing on MicroHobby ... it's full of 0's ;)
In fact, that it ... don't appears on the machine code listings, must be introduced as ...Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... the program combines BASIC and machine code. While it is easy ... the demos which load in multiple parts and use ... suggest, run a program in 128k mode which sets up ... if it was run in USR 0 mode and then loads ... the actual program in this mode ...Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... . More or less :-) So USR 0 mode has the 128K features ... select USR 0 mode is easier than writing the code that will ... before you will call the machine code unless you made a complete ... Basic games won't work in 128K mode if they are ...Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... good reason for requiring USR 0... just that it's what ... effort into testing for USR 0 mode and stopping with a ... mean the start of your code, not 0x0000...) Even then it ... -byte machine-code block located separately from the main demo code (either embedded in ...Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... I also made a machine code memory tester specifically for ... to determine if the machine is 16K or 48K ... apart from the first 0.5K of screen RAM, ... quick glance of the code - and quits immediately ... Download newer improved version in later post in this thread.
...Cro S2008Hi everybody!!! I hope this is right thread? :-) I want to share with you my new project. I call it ?S2008?? The idea was to build Spectrum48K clo…
... of its functions available to machine code. I'm not sure the ... with jump to same adress in ZX rom, this adress is ... used if is set ROM 0. With my patch (correct 3D00 ...Understanding the StackSorry folks. I guess I'm going to be a pain for a little while. Hope it's ok with everyone. I'm currently studying the stack and wrote the little pr…
... messing aroud with machine code is that your code may not be ... data will overwrite your program code.
One soultion ... ,0 ; some space for the stack to live in
stack[/CODE ... ]
And another is:
[CODE] ...[BASin] Bug report and question[B]1. Bug report:[/B] BASIC Editor behavior I'm using a variable to store the contents of the BC register. But the BASIC editor works strangely. I t…
... is best.
ORG 0
JR 2
in [i]assembly[/i] and not machine code. Yes, n ... when assembled.
Bear in mind that to jump 2 ...Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …
... covered how to do [B]PAUSE 0[/B] in assembly. A whole game ... .
Whoever posts the code shouldn't optimise the hell ...
