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im looking for a horizontal scroll routinehi, im looking for a horizontal scroll routine. i read somewhere that you can do it with at 'to' statement, somewhere in a print routine. althoug…
... looking for a horizontal scroll routine. i read somewhere that you ... ' statement, somewhere in a print routine. although i am open to ... -
I live and learnThanks to Einar's ZXDB link I found under the Books folder and English sub directory a PDF file named 'The Century Computer Programming Course for Z…
Thanks to Einar's ZXDB link I found under the Books folder and English sub directory a PDF file named 'The Century Computer Programming Course for ZX81 and Spectrum Basic'. I must have half a dozen Basic lesson books but it always helps to add more since ... -
High score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... general purpose high score table routine. It stores 5 scores and ... /> RET ; exits the routine
PRINTNUM: ; routine by J. Cauldwell
A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... /> [code]
;Redefine Keys routine
;By Ast A. Moore ... call 8859 ;inside ROM routine BORDER ($2294)
call ...
;A crude debounce routine to prevent
;registering ... call $3b5 ;ROM beeper routine
pop ix ;restore ...Test of screen switching timings.I modified the btime.tap test by Jan Bobrowski to explore the timing of screen switching. The new test, ptime-128, produces different results on diff…
I modified the btime.tap test by Jan Bobrowski to explore ... of screen switching. The new test, ptime-128, produces different results ... /+3, who will launch the test on their machines and share ... cycles more.
The test needs to be performed for ...A SAVE routine to reduce Microdrive loading timesHello! Please i'd like to know if there is a SAVE routine written to reduce the zx microdrives loading times.
Hello!
Please i'd like to know if there is a SAVE routine written to reduce the zx microdrives loading times.Machine code routine neededHello! Please i'm looking for a short routine that can write the same value in a range of continous memory locations. For example, to write 255 val…
Hello!
Please i'm looking for a short routine that can write the same value in a range of continous memory locations.
For example, to write 255 value from location 40000 to 41000.
Many thanks in advance.looking for a vertical scrolling routinein basic or like the standard scroll? routine but the other way round with the scroll? removed (this would have to be in code). ive tried a couple of…
... or like the standard scroll? routine but the other way round ...im looking for a machine code star-field routineim looking for a machine code star-field routine. preferably with mnemonics.
im looking for a machine code star-field routine. preferably with mnemonics.Testing an Interface 1As title, is there an easy way on how can I test to see if its functional or not please ? :) Please bear in mind I do not have *any* microdrives n…
... way on how can I test to see if its functional ... some pokes or a short routine I can try to determine ... couple of 48K+'s to test it with, but these both ... rubbery keyed machine to also test it with. I do have ...Prportional Ascii text scrollerA couple of years ago I wrote a little scroller that nestles at the top of RAM (FFCA - 65482) and scrolls standard Ascii encoded text from anywhere y…
... by repeated calls to the routine, which stores the current character ... a,(de)
sub 20h ;test if (HL)=01 then A ...Less MIA - Test Master (1988)(E&J Software)[+3 disk]Hi all, in short we have .... not best bright star on the game sky but count as old recovered software :) inlay [img]http://forest.no-ip.org/w…
... .no-ip.org/wos/tm/Test%20Master%20(1988)(E%26J ... .no-ip.org/wos/tm/Test%20Master%20(1988)(E%26J ...Passing parameter from BASIC to assembler routineWas there a "clean" way of passing parameter(s) from a BASIC program to an assembler routine? Something like parameterising RANDOMIZE USR call? I fac…
... BASIC program to an assembler routine? Something like parameterising RANDOMIZE USR ...why cant i get the +2a / +3 self test program to work on an emulator?ive tried 2 different emulators. i can get to the test pattern but thats all. holding the keys does nothing
ive tried 2 different emulators. i can get to the test pattern but thats all. holding the keys does nothingesxDOS v0.8.7 releasedesxDOS v0.8.7 has been officially released. Grab it at http://www.esxdos.org/files/esxdos087.zip. This version has the following (notable) new fea…
... (enabled in ESXDOS.CFG - please test and report)
[*]New "utime ... /2018] NMI: Slightly changed keyboard routine to reduce key bounce on ...Multi-Platform Arcade Game DesignerFirst of all, I should say Hello, having left the Spectrum scene around a year ago. I'm not planning to make a return but figured that I have some n…
... automatically) and then build and test your games, automatically firing up ... with PLOT and the DISPLAY routine allows you to display a ...Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …
... 've knocked up a small test program just to satisfy my ... and will display one of "Test passed!", "Illegal interrupt response" or ... 'm kind of hoping for "Test passed!" on real hardware!
A couple of random questions......because, why not? (1) USR0 mode on the +3/+2A/B I know of its existence, I know how it's used, and I have some games that require it to work o…
... ? And was there some extra routine in the +3/+2A/+2B ... ZX80 memory test program that holds a small machine code routine in ...Test card screenStarted off just messing about in order to test a machine. But ended up with this: [code]10 FOR a=0 TO 0 STEP 0: PAUSE 1: BORDER 1: BORDER 2: BORD…
... messing about in order to test a machine. But ended up ...Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... textured/hatched fill M/C routine for the ZX Spectrum 48K ...Fighting Warrior's protection systemThis is one of those bizarre cases where cracking the loading system is orders of magnitude more fun than playing the game. (Indeed, discovering I wa…
... bunch of Raspberry Pis for test machines ... anyway, I digress).
routine and hence the code to ... code to load a copying routine, and self-modify it [i ... jump to it. The copying routine takes the code hidden on ...NMI Routine and Restarts in a new 128K ROMI'm presently engaged in creating AGD 5 with the intention of making it a pair of 16K ROMs for the 128K/+2. I'm fairly sure that the vast majority o…
... ROM 0 as the delay routine in RST 0 overran. Beyond ...ZX48k terminal...Hello everybody, I thought someone might help me. I connect my good old ZX48k to my PC via serial (IF1) link, and I was trying to write a little term…
... help you avoid the test for break. The routine that Interface 1 ... want to avoid the break test:
ld hl,MyReader ...WANTED: tape replacement for +2?Any tape replacement possible for a +2? My +2 works wonderfully but the incorporated datacorder is simply worn out and won't load ANYTHING. Dirty sig…
...
For a correct test do not press any key ... keystroke, and the ROM beep routine contains a OR 8 before ...
