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Code structureHi all, I'd be interested in opinions on the neatest way to do this. I've got a print string routine in which 0-31 are reserved for control codes, …
... 've got a print string routine in which 0-31 are ...
control_code
...jumps to routine in jp table based on ... ;>
But each routine ends with JP PRINT_STRING so ... -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... setxy - this calls the setxy routine
ld a,'*' - ... - this calls the setxy routine
ld a,32 ... - returns to the main routine
setxy ld a ... ret - returns to the main routine
xcoord ... -
Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... on a 32 columns multicolor routine proposed by [b]Alone Coder ... -
New NIRVANA+ feature: wide tiles!The size of each bicolor tile in [b]NIRVANA+[/b] is 2x2 characters (16x16 pixels), like this: [img]http://i60.tinypic.com/mw358y.png[/img] [i]* M…
... more internal optimizations. The original routine to draw regular bicolor tiles ... -
The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... and optimized the FAT seek routine (which was hard work), made ... -
New version emulator ZEsarUX 3.1Hi I have uploaded a new version of my emulator ZEsarUX on http://sourceforge.net/projects/zesarux I have improved accessibility support, no…
... detection. Now a custom loader routine is detected and reinserted the ... -
Interface 1 ShadowROM pagingI read the Interface Shadow ROM Disassembly book. I wondered how that rom calls the interface's rom paging mechanism. It doesn't! I learned there is …
... program counter reaches 8 (error routine) or $1708, the interface pages ... -
Chompston Mazes in SpecBASAfter the discussion in ASH-II's Pacman thread, I checked out the link there about generating 2D Pacman style mazes. This one was quite good fun, …
After the discussion in ASH-II's Pacman thread, I checked out the link there about generating 2D Pacman style mazes.
This one was quite good fun, and can form the basis for a number of game types, one of which being [url=http://www. ... -
Ninjaman 8-way scrolling 50Hz multicolour demo :-)Here's a demo I've been working on for a while. The goal was to make the best scrolling routine possible on a humble 48K ZX Spectrum. I was origin…
... to make the best scrolling routine possible on a humble 48K ... -
The Great Escape. I found an alternative escape route.I managed to figure out a way to escape without ever using the wirecutters. So if you've beaten the game a lot of times and would like to try somethi…
... inventory and join the daily routine. When it's time for ... -
Drawing some spritesI figured I want to draw some sprites. My target was to do a 16x16 masked sprite. There's no clearing here, just drawing the sprites. My first ite…
... anyway.
With that routine, drawing a sprite takes 546 ... -
Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…
... /> 2. My save/load music routine doesn't work.[/b]
routine at 3500 tests how long ... not used within the recording routine **
1258 REM ** doubling up ... pressed go to the playback routine.
2070 IF INKEY$="g ... -
Which joystick design?Dear World of Spectrum, As some of you may remember, about a year or so ago I embarked on a quest to design an arcade stick for PC and Mac compute…
... a poll). You know the routine. :)
Yours sincerely,
Post a funny videoTo change the tone and cheer us all up, I thought we could have a humourous video thread, as it's been ages since the last one. So post a video li…
... 's classic Telling the Time routine:
[youtube]0QVPUIRGthI ...Sinclair Spectrum & QL RS232 Serial Port Adaptor Leadhttp://www.ebay.co.uk/itm/172047775545?ru=http%3A%2F%2Fwww.ebay.co.uk%2Fsch%2Fi.html%3F_from%3DR40%26_sacat%3D0%26_nkw%3D172047775545%26_rdc%3D1 …
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Have a nice bidAnimation loopHi. How would you read from a lookup table and cycle through the animations when a key is pressed it's Just the loop example i'm interested in not…
... interested in not tye draw routine. With hl loaded with gfx ...Text scroller and custom fontYesterday I was testing this text scroll routine taken from Jonathan Cauldwell's Intro Maker (labels have been inserted to allow partial code relocab…
... was testing this text scroll routine taken from Jonathan Cauldwell's ...Matthew Smith's Andre's Night Off in C&VG - did he really write it?Despite it being written in BASIC, Andre's Night Off is not very good - so what happened exactly? Was the hyperbole surrounding the type-in so much h…
... out a quick machine code routine, it probably would have been ...Calling machine codeOccasionally I see on ZX computers (mostly the spectrum, but I think also the '80 and '81), how someone made their machine code and wrote the bytes i…
... 60000[/code]
If the routine starting at that address leaves ...SNP filesMorning.. Having done some extensive repairs to an old Spectrum 48, I've connected it up to my old Interface 1 and MD's and to my surprise, all is go…
... bit of fun with the RS232 connection - something I never did ...Biggest ZX collection ever offered for sale on the internet !!!The most COMPLETE ZX SPECTRUM collection ever offered for sale on the internet! It took me years to collect everything, to make sure I have every …
...
(microdrive, zx interface 1, RS232 Centronix)
New ZX Spectrum ...Which peripheral listened on port $9f from back in 1984 (Chuckie Egg related)Hi Apologies if this is in the wrong section, please feel free to move it to the correct one if so. I've been looking through the Chuckie Egg c…
... middle of the interrupt service routine (ISR) and was wondering whether ... of the code reveals a routine at $9ceb (immediately after the ...New multicolor engine BIFROST*2[img]http://s15.postimg.org/rfue0jb3v/BIFROST2.png[/img] [b]BIFROST*2 ENGINE[/b] is now available! Download it here: https://www.dropbox.com/sh…
... of this, you must execute routine [b]BIFROST2install()[/b] before using ...Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…
... 's not important.
Routine size is 596 bytes total ... wasted 3692 bytes in this routine.
Next up I ...
