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Small Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... so haven't time to study the code in detail ... point, but would love to add a routine like this ... to my library collection of ... to basic you need to reset it. Add this before the return:< ... - ensure this is correct for basic
exx ; 4t - ... -
New music program in developmentAs I suppose it was mentioned from yesterday when I actualised my blog, I'm actually in the making of another music arrangement for Zx Spectrum 128k,…
Here are some basic chord ornaments to get started with. I used ... but here are a few basic demonstrations. The tne is for ... is off.
Most basic sample. Volume C looping with ... the pitch sharp and quickly return to its proper pitch when sustaining ... -
DIVIDE - source code of new FATWARE 0.14[B][U][SIZE="5"]Source code of FATware system is now free.[/SIZE][/U][/B] BAZE (author of FATWARE) release source code of last version FATWARE 0.14 …
... possible to modify somehow divIDE to load 16KB ROM from card to ... problems. All is configurable from basic via OUT commands. Also ... for install custom ZX rom to DIVIDE:
ORG ... possible uninstall custom rom and return to original divide system in ... -
Japan Tsunami AppealAs some of you will be aware, I've been tinkering with an open source version of SE Basic that could be distributed with hardware without infringing …
... emulators that persuaded me to return to working on SE Basic after a four ... people were tempted to try programming in SE Basic, but frankly if ... you want to write programs ... in Sinclair BASIC in this day ... -
Renegade (the hit squad)Hi fellow spectrum peeps,nice to meet you all!,and what a great site you have here!. I have been given a spectrum +2 which didn't load tapes,until i…
... [I]can[/I] return to +3 BASIC from 48 BASIC (albeit I can't ... or not). Maybe just attempting to page in ROM 1 does ... -
Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…
... handler routine which jumps to the specified BASIC line number instead ... in ERR_SP should point to a location which contains ... the ROM routines somehow returns to BASIC instead of the normal ... you avoid the return address by sending it to somewhere else.< ... -
Saving and Loading from tape in MC?I'm actually having problems with saving and loading from the ROM routines for the interpreter... I'm currently using the following codes for saving…
... the ROM routines somehow returns to BASIC instead of the normal stack ... but it's still wise to preserve the original ERR_SP value ... you avoid the return address by sending it to somewhere else.
I'll probably prefer to use the other solution though ... -
machine code loadercan someone have a look at this loader and break down what its actually doing and also how i can stop it from executing the 2 loads of headerless blo…
... only" and drop back to BASIC when it had finished, ... but it still dropped back to BASIC after loading the two files ... as it was getting the return to $1303 MAIN-4 from the ... ),$D1 ;return to Dizzy after loading program
LD HL,BASIC
... -
User Defined GraphicsCan someone please give some very simple code for a displaying a UDG at a location on screen? Any assistance would be greatly appreciated. Sincerely…
... start copy chars "A" to "U" to this UDG chars. You ... 10 FOR F=USR "a" TO USR "a"+7:READ B ... then press key "a" and return to edit mode via SHIFT+9 ... ). Chars "a" to "u" can be in basic signed with codes ... can be change with POKE to system variables. This enable ... -
Is it a must...Since this ZX Evolution thing I have been wanting another ZX Spectrum but with the ros and an ide device. Well yesterday I was very lucky as I had a …
... , you want to code in standard, interpreted Sinclair BASIC, BasIn is ... great tool for writing Sinclair BASIC programs. It also comes with ... it supports 48K BASIC and the 128K BASIC from the Sinclair ... had worn off I would return to the emulation scene.
< ... -
IN or INKEY ?just curious which is better to use.. I have a menu done.. and use 6/7 to go up down it + space to cycle thru the options (using inkey).. obv. if I w…
... makes bitwise operations and return the result to basic)
and this ... -
FN nesting error?While playing with FN functions that call assembly, I've found something weird. Check out this code: [code]10 DEF FN f(a,b)=a+b 20 PRINT FN f(FN f(…
... snapshot with patched ROM and BASIC test code[/url]
... routine). Instead, it has to call to address 386Eh.
[ ... - Save old stack pointer to sysvars, to ease later retrieving.
... the stack to its original state.
- Return to the original ... -
Scrollours, a 15 bytes demo for ZX Spectrum 48K[url]http://www.pouet.net/prod.php?which=57912[/url] Direct download: [url]http://antoniovillena.es/upload/scrollours.zip[/url] Important: You must…
... autostart? :) I'd love to be able to do that with a ... stack, so instead return from "Tape Loader Routine" to Basic, the RET jumps ... to my code.
< ... only need 1 aditional byte to run using similar technique. The ... -
AGD 2.6 WoesThis was originally in the New Game Ideas section but thought this would be the best place to post this: I'm no programmer, hence i'm using the exce…
... ]
Having to patch Sinclair ROM routines over ... on here writing an alternative to the Spectrum ROM?
... the most difficult bit to implement. Everything is stored ... BASIC, and converted to text for the editor when required. Whenever you return to ... -
Auto generated spritesLooking around for some graphics I came across [url]http://blog.disktree.net/?p=19[/url] , one of several such pages. Need the odd 8x8 UDG or two (…
...
Depends on random keypresses to generate random bytes, then mirror ... & return
ld a,22 ;using ROM to display no ... /> ld a,b ;want to display number of bytes generated ... call 8252
ret ;back to BASIC!
;
string defb 22 ... -
Interrupting emulation if Multiface isn't availableA few years ago I asked about how to exit to BASIC when the BASIC environment is still available and stable. Now I have a similar question... Certai…
... and change PC to point to a RET. This should return to the next ... latter should drop straight back to a BASIC "0 OK" prompt if ... the BASIC system variables have been preserved, ... -
Hidden Spectrum emulator discovered in Goldeneye (N64)Commence ewgf's mind being blown in 3...2...1... [url]http://news.ycombinator.com/item?id=3770288[/url] [url]http://www.therwp.com/forums/showthread…
... dependancies, and script required to run the emulator still ... button, and L to unload the emulator and return to gameplay.
... whole operating system (the BASIC programming language, functions for ... functions. The solution to this was to create an empty ... -
BREAK from GOSUBHere's another one. Just in case you wanted to break out of multiple GOSUB levels with a single command, here's a routine to do it, tested on all mod…
... even simpler version, all in BASIC. To use:
[code]
... /> [/code]
Notes:
* The RETURN in line 1 is the ... line 4 is the actual RETURN to the requested level.
* ... on the GO SUB stack to RETURN to the specified line & ... -
OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... USR function doesn't return the correct value to BASIC.
I ... the USR function didn't return the BC register value. That ... -
OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... one other change: renamed COPY to CALL.
[quote] ... USR function doesn't return the correct value to BASIC.
I ... the USR function didn't return the BC register value. That ... it would be possible to juggle some routines to realign the entry ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... because Boriel's ZX Basic allows 32 bit 16. ... />
With a return type of FIXED, it returns ... as a decimal, like basic's random number:
... work well in assembly, to basic for the bits that ... br /> Or prototyping code in Basic, and rewriting in assembly for ... -
Deceiving gamesWhat games you had good expectations. Games which yourself hope to have been better the more you played, but simply doesnt evolved. The first which …
... you'd read the blurb to the type-in and ... type it in, turns out to be ****e, you wouldn't ... save it, dejected you'd return to the magazine or book and ... read the blurb to the next game and ... ages slowly trawling through the basic trying to find the error. -
ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…
... is possible return to esxdos via OUT 23,73 in ZX basic. And ... OUT 23,0 = return to divide system. -
The complete Spellbound (48k) RAM disassemblyHello everyone. I just wanted to share the fruits of almost two years' labour; I've produced a [URL="http://www.dur.ac.uk/philip.anderson/disassembl…
... ` + ',' + `attr` + ',,' + `wdth` + tile_addresses + '(' + `addr` + ')'
return self.expand(udgarray_macro, cwd)
to Basic' routine should end with RST ... your computer explode, the world to end, or, perhaps slightly more ... -
Switching 48/128 modes within a BASIC programI'm not sure what use this would be; ie. being able to switch between 48k and 128k modes and back again from within a continuously running BASIC prog…
If 48 basic clears the print buffer you won't be able to return to 128 basic. CLS does this if I remember correctly. -
Switching 48/128 modes within a BASIC programI'm not sure what use this would be; ie. being able to switch between 48k and 128k modes and back again from within a continuously running BASIC prog…
... won't be able to return to 128 basic. CLS does this if ... could copy those 256 bytes to a safe area before ... switching to 48K mode, and then ... them immediately before switching back to 128K ?
EDIT - ... 23354, and returned safely to +3e. -
Some more 419 fun fresh from the spam folderErm from Eva Desmond apparently? [quote]Hello My name is Eve Desmond, I saw your profile today through the help of chamber of commerce in ouagadoug…
... free alternatives, Clonezilla is supposed to be good, though I've ... 'ghosting'), as being able to quickly return to that point can save so ... free edition of Partition Wizard to resize your C: drive ... of Windows XP + drivers + basic programs comes to about 1.1 GB ... -
Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... I go to USR0 mode or to 48 basic, then return from NMI is ... ok. But if I use 128 basic ...
JP PE, L_004E ;jump to return to ZX rom code POP AF ... AF
JP L_0050 ;jump to return to ZX rom code RET
BASin gets its (profile) sums wrong (sometimes)I often use BASin to time pieces of code, and I've found it to be useful, but I was testing a routine earlier, which took less than 2 seconds to run …
... error (hence a return to the editor). As each BASIC line is executed ... , the delta TState count is added to ... there's no real way to exclude them.
And ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... that returns the score to BASIC
Machine code ... that needs to be done before returning to BASIC
;return score to BASIC
return to calling program' (in our case a BASIC routine) ... called from basic will return the value from 0 to 65355 ...
