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SpecBAS 0.747 Now available!Hiya folks - it's update time again! SpecBAS has had a load of new fixes, as well as some new additions! Firstly, as you all wanted it, SpecBAS can…
... centre any following text on row 10
Command line options ... with an optional filename, followed by an optional starting line
Added a small speedup by changing floats passed in procedures ... ... say -1 to 1 horizontally by -1 to 1 vertically - < ... -
Developing apps for ZX Spectrum with SDCCDue to troubles with makebin utility which always starts coversion at memory address 0x0000 and can only produce binaries < 32KB, it can't be used to…
... always starts coversion at memory address 0x0000 and can only produce ... Binary menu option and run by RANDOMIZE USR 32768.
BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
... to better use these routines by providing a few examples. ... '0'+k)
#define printAt(row, col) printf("\x16%c%c ... ", ' '+row, ' '+2*col)
#define printAt64c(row, col) printf("\ ... x16%c%c", ' '+row, ' '+col)
The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…
... around with the interrupt routine address calculation.
People that ... interfaces, like the one designed by Ben Veersteg, or the KempAY ...Work out attribute location in MCHow do I go about writing a MC routine which calculates the attribute address from a set of PRINT co-ordinates. I know you in basic you multiply the…
... routine which calculates the attribute address from a set of PRINT ... multiply the vertical co-ord by 32 add the horizontal co ... to 22528 to find the address.
Struggling to do ...BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... will see multicolor tiles moving by a single pixel sideways. ... Using a technique typically chosen by commercial games: [I]pre-shifted ... '0'+k)
#define printAt(row, col) printf("\x16%c%c ... br /> [*] Most frames are composed by a pair of overlapping tiles ...Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... the first mounted filesystem into address 0x0000. The stage 3 boot ... combined externally. (/ROMCS is generated by the ULA, Chris Smith's ... 's input must be generated by combining /ROMCS and /MREQ. This ... any case is already occupied by the wire going from /ROMCS ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... at the screen address
ld ... br /> ; CUSTOM 6x8 font -by Uglifruit
;----------------------------------------------------------------------------
uglifont ...BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…
... 0'+k)
#define printAt(row, col) printf("\x16%c%c ... ", ' '+row, ' '+2*col)
#define printAt64c(row, col) printf ... ("\x16%c%c", ' '+row, ' '+col)< ... in the first row were originally designed by na_th_an, and both ...Disassembled Rescue by MastertronicHi i am just wondering if anyone has ever disassembled the game Rescue by Mastertronic as i dont know what i am doing because i am trying to learn ho…
... ever disassembled the game Rescue by Mastertronic as i dont know ...PRINT a numerical value i.e. the scoreHow do you fo about printing a numerical value using the print routine in the ROM? For instance I have a value 0-255 and want to PRINT the result at…
... /> call 5366
ld de, (address of text to print)
by 100 before printing using m ...ZX Pixels - Step by StepI made slide show, it shows how, step by step to create many masterpieces ZX Spectrum graphics. Intermediate phases used more than 100 works and 400…
... show, it shows how, step by step to create many masterpieces ... /T9UtPgJaptA[/URL]
Pixels by Diver, Riskej, pROF, Newart, bfox ...Video Olympics by Dinamic re-release in SpainThis game by Dinamic was also later released by Dro Soft in Spain too: [url]http://www.ebay.es/itm/370637209713?ssPageName=STRK:MEWAX:IT&_trksid=p39…
This game by Dinamic was also later released by Dro Soft in Spain too:
[url]http://www.ebay.es/itm/370637209713?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649[/url]New ZX81 Game ReleasesIt is nice to see another two titles recently released for the ZX81 by Revival Studios - [url]http://www.revival-studios.com[/url] Both games also …
... recently released for the ZX81 by Revival Studios -
[url]http ... 4 similar gems in a row to decrease speed and gain ...Very weird +2 problem.After two days, I'm still fighting this grey +2. Symptoms: When I first got it, there were stray pixels on the screen, and stray lines and colours. …
... screen disappears, and is replaced by black and white vertical stripes ... /> C80
Edit: All address lines, data lines and resistors ...WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... video signals originally generated by the ULA are not ... RGB, converted to analog by three resistor ladders). Because ... , and isolation resistors from address lines at the multiplexer outputs ... (trans: already in use by existing software) features, such ...Warlock by The Edge, ever released solo?Since it was published by The Edge, a very famous and well sold company, and it appeared in a compilation, I have some doubts that the game appeared …
Since it was published by The Edge, a very famous ...Classic Axiens by Bubble Bus Software relased solo?As in the other threads I opened, I have doubts that this game was released out of the compilation where it appeared. By now, the cover should have b…
... the compilation where it appeared. By now, the cover should have ...merging bytesPicturing three bytes with their bits identified by letters to make the visualisation easier, what's the best way to perform this transformation? [co…
... bytes with their bits identified by letters to make the visualisation ... anywhere in Byte 1, identified by A.
Basically, I ... calling PIXEL_ADD to get the address of Byte 1 in HL ...BIFROST* Advanced Programming - part 6The purpose of this demo is somewhat different from previous ones. Instead of teaching a new technique, the main goal here is to demonstrate how much…
... The first row contains animated versions of tiles designed by R- ... The second row contains tiles originally designed by na_th_an and ... '+k)
#define printAt(row, col) printf("\x16%c%c ... /> #define printAt64c(row, col) printf("\x16%c%c", ' '+row, ' '+col)< ...Three more games which I have little doubts about their release in Spain by ErbeIn this case, they are: -Acrojet [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0000069[/url] -A.T.R.A.M [url]http://www.worldofspectrum.o…
Civilization early alpha by Andrew771 and ALKOReleased on June 14th, 2012 on zx-pk.ru. As mentioned in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=41042"]Lighter 3[/URL]. Avail…
... get destroyed, they get captured by you. The building can be ...Fred - Inspired by.[URL="http://www.worldofspectrum.org/infoseek.cgi?regexp=^Fred$&pub=^Indescomp+S%2eA%2e$&loadpics=3"]Fred[/URL]. Definitely inspired by Indiana Jone…
... [/URL].
Definitely inspired by Indiana Jones, as per tape ... .e. something like: [I]Inspired by Lucasfilm Ltd (USA) (movie: Indiana ...A Miscellany of Dangerous TipsHere's a selection of ideas for using some of the more obscure system variables which I've found handy on occasion. They can be very convenient if us…
... restored for reference when needed by moving down VARS.
... They can be referenced by assigning the DEFADD system variable ... -dandy system variable DATADD - "address of terminator of last DATA ... within the sub-routine by assigning DEFADD appropriately at ...LumASCII - New game from Bob's Stuff.The full 8-level version of 48K Spectrum shoot'em-up "LumASCII" is now finished! Initially the game will be available for purchase from myself for a…
... be sent to the email address supplied by PayPal, or to another ..."Karatron" inspired bythe game is inspired by Karateka, when you load the game you realize quite fast :D [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0025299[/ur…
the game is inspired by Karateka, when you load the ..."Kong" inspired by[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0021822[/url] inspired by Donkey Kong by Nintendo ;) Also, the language is Serbian, not engli…
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0021822[/url]
inspired by Donkey Kong by Nintendo ;)
Also, the language is Serbian, not english (please, any Serbian friend check this to confirm :) )Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... results can be produced by entering out of bounds ... br /> pop ix ;IX=address of parameter string
... ;don't plot if address too low
cp ... 0,(hl) ;bitpos changed by SETPIXL line
ret ...Super Gran loading screen by F. David ThorpeAs per the nice finding by moroz1999: [url]http://www.binaryzone.org/thezone/davidthorpe.php[/url] He did the loading screen. [url]http://www.wor…
As per the nice finding by moroz1999:
[url]http://www.binaryzone.org/thezone/davidthorpe.php[/url]
He did the loading screen.
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0005017[/url]Renaud (BUGFIX)Please add the following "known errors" description to [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0004492"]this entry[/URL]: [QUOTE]Bugf…
... ]:
[QUOTE]Bugfix provided by Metalbrain and BadBeard:
by 1 byte, jumping to the wrong address and crashing ... ]
Modified "BUGFIX" file provided by Metalbrain.[/QUOTE]
The ...
